Diff for /imach/src/imach.c between versions 1.29 and 1.218

version 1.29, 2002/03/06 19:02:50 version 1.218, 2016/02/12 11:29:23
Line 1 Line 1
 /* $Id$  /* $Id$
    Interpolated Markov Chain    $State$
     $Log$
   Short summary of the programme:    Revision 1.218  2016/02/12 11:29:23  brouard
      Summary: 0.99 Back projections
   This program computes Healthy Life Expectancies from  
   cross-longitudinal data. Cross-longitudinal data consist in: -1- a    Revision 1.217  2015/12/23 17:18:31  brouard
   first survey ("cross") where individuals from different ages are    Summary: Experimental backcast
   interviewed on their health status or degree of disability (in the  
   case of a health survey which is our main interest) -2- at least a    Revision 1.216  2015/12/18 17:32:11  brouard
   second wave of interviews ("longitudinal") which measure each change    Summary: 0.98r4 Warning and status=-2
   (if any) in individual health status.  Health expectancies are  
   computed from the time spent in each health state according to a    Version 0.98r4 is now:
   model. More health states you consider, more time is necessary to reach the     - displaying an error when status is -1, date of interview unknown and date of death known;
   Maximum Likelihood of the parameters involved in the model.  The     - permitting a status -2 when the vital status is unknown at a known date of right truncation.
   simplest model is the multinomial logistic model where pij is the    Older changes concerning s=-2, dating from 2005 have been supersed.
   probabibility to be observed in state j at the second wave  
   conditional to be observed in state i at the first wave. Therefore    Revision 1.215  2015/12/16 08:52:24  brouard
   the model is: log(pij/pii)= aij + bij*age+ cij*sex + etc , where    Summary: 0.98r4 working
   'age' is age and 'sex' is a covariate. If you want to have a more  
   complex model than "constant and age", you should modify the program    Revision 1.214  2015/12/16 06:57:54  brouard
   where the markup *Covariates have to be included here again* invites    Summary: temporary not working
   you to do it.  More covariates you add, slower the  
   convergence.    Revision 1.213  2015/12/11 18:22:17  brouard
     Summary: 0.98r4
   The advantage of this computer programme, compared to a simple  
   multinomial logistic model, is clear when the delay between waves is not    Revision 1.212  2015/11/21 12:47:24  brouard
   identical for each individual. Also, if a individual missed an    Summary: minor typo
   intermediate interview, the information is lost, but taken into  
   account using an interpolation or extrapolation.      Revision 1.211  2015/11/21 12:41:11  brouard
     Summary: 0.98r3 with some graph of projected cross-sectional
   hPijx is the probability to be observed in state i at age x+h  
   conditional to the observed state i at age x. The delay 'h' can be    Author: Nicolas Brouard
   split into an exact number (nh*stepm) of unobserved intermediate  
   states. This elementary transition (by month or quarter trimester,    Revision 1.210  2015/11/18 17:41:20  brouard
   semester or year) is model as a multinomial logistic.  The hPx    Summary: Start working on projected prevalences
   matrix is simply the matrix product of nh*stepm elementary matrices  
   and the contribution of each individual to the likelihood is simply    Revision 1.209  2015/11/17 22:12:03  brouard
   hPijx.    Summary: Adding ftolpl parameter
     Author: N Brouard
   Also this programme outputs the covariance matrix of the parameters but also  
   of the life expectancies. It also computes the prevalence limits.    We had difficulties to get smoothed confidence intervals. It was due
      to the period prevalence which wasn't computed accurately. The inner
   Authors: Nicolas Brouard (brouard@ined.fr) and Agnès Lièvre (lievre@ined.fr).    parameter ftolpl is now an outer parameter of the .imach parameter
            Institut national d'études démographiques, Paris.    file after estepm. If ftolpl is small 1.e-4 and estepm too,
   This software have been partly granted by Euro-REVES, a concerted action    computation are long.
   from the European Union.  
   It is copyrighted identically to a GNU software product, ie programme and    Revision 1.208  2015/11/17 14:31:57  brouard
   software can be distributed freely for non commercial use. Latest version    Summary: temporary
   can be accessed at http://euroreves.ined.fr/imach .  
   **********************************************************************/    Revision 1.207  2015/10/27 17:36:57  brouard
      *** empty log message ***
 #include <math.h>  
 #include <stdio.h>    Revision 1.206  2015/10/24 07:14:11  brouard
 #include <stdlib.h>    *** empty log message ***
 #include <unistd.h>  
     Revision 1.205  2015/10/23 15:50:53  brouard
 #define MAXLINE 256    Summary: 0.98r3 some clarification for graphs on likelihood contributions
 #define GNUPLOTPROGRAM "..\\gp37mgw\\wgnuplot"  
 #define FILENAMELENGTH 80    Revision 1.204  2015/10/01 16:20:26  brouard
 /*#define DEBUG*/    Summary: Some new graphs of contribution to likelihood
 #define windows  
 #define GLOCK_ERROR_NOPATH              -1      /* empty path */    Revision 1.203  2015/09/30 17:45:14  brouard
 #define GLOCK_ERROR_GETCWD              -2      /* cannot get cwd */    Summary: looking at better estimation of the hessian
   
 #define MAXPARM 30 /* Maximum number of parameters for the optimization */    Also a better criteria for convergence to the period prevalence And
 #define NPARMAX 64 /* (nlstate+ndeath-1)*nlstate*ncovmodel */    therefore adding the number of years needed to converge. (The
     prevalence in any alive state shold sum to one
 #define NINTERVMAX 8  
 #define NLSTATEMAX 8 /* Maximum number of live states (for func) */    Revision 1.202  2015/09/22 19:45:16  brouard
 #define NDEATHMAX 8 /* Maximum number of dead states (for func) */    Summary: Adding some overall graph on contribution to likelihood. Might change
 #define NCOVMAX 8 /* Maximum number of covariates */  
 #define MAXN 20000    Revision 1.201  2015/09/15 17:34:58  brouard
 #define YEARM 12. /* Number of months per year */    Summary: 0.98r0
 #define AGESUP 130  
 #define AGEBASE 40    - Some new graphs like suvival functions
     - Some bugs fixed like model=1+age+V2.
   
 int erreur; /* Error number */    Revision 1.200  2015/09/09 16:53:55  brouard
 int nvar;    Summary: Big bug thanks to Flavia
 int cptcovn, cptcovage=0, cptcoveff=0,cptcov;  
 int npar=NPARMAX;    Even model=1+age+V2. did not work anymore
 int nlstate=2; /* Number of live states */  
 int ndeath=1; /* Number of dead states */    Revision 1.199  2015/09/07 14:09:23  brouard
 int ncovmodel, ncov;     /* Total number of covariables including constant a12*1 +b12*x ncovmodel=2 */    Summary: 0.98q6 changing default small png format for graph to vectorized svg.
 int popbased=0;  
     Revision 1.198  2015/09/03 07:14:39  brouard
 int *wav; /* Number of waves for this individuual 0 is possible */    Summary: 0.98q5 Flavia
 int maxwav; /* Maxim number of waves */  
 int jmin, jmax; /* min, max spacing between 2 waves */    Revision 1.197  2015/09/01 18:24:39  brouard
 int mle, weightopt;    *** empty log message ***
 int **mw; /* mw[mi][i] is number of the mi wave for this individual */  
 int **dh; /* dh[mi][i] is number of steps between mi,mi+1 for this individual */    Revision 1.196  2015/08/18 23:17:52  brouard
 double jmean; /* Mean space between 2 waves */    Summary: 0.98q5
 double **oldm, **newm, **savm; /* Working pointers to matrices */  
 double **oldms, **newms, **savms; /* Fixed working pointers to matrices */    Revision 1.195  2015/08/18 16:28:39  brouard
 FILE *fic,*ficpar, *ficparo,*ficres,  *ficrespl, *ficrespij, *ficrest,*ficresf,*ficrespop;    Summary: Adding a hack for testing purpose
 FILE *ficgp,*ficresprob,*ficpop;  
 FILE *ficreseij;    After reading the title, ftol and model lines, if the comment line has
   char filerese[FILENAMELENGTH];    a q, starting with #q, the answer at the end of the run is quit. It
  FILE  *ficresvij;    permits to run test files in batch with ctest. The former workaround was
   char fileresv[FILENAMELENGTH];    $ echo q | imach foo.imach
  FILE  *ficresvpl;  
   char fileresvpl[FILENAMELENGTH];    Revision 1.194  2015/08/18 13:32:00  brouard
     Summary:  Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.
 #define NR_END 1  
 #define FREE_ARG char*    Revision 1.193  2015/08/04 07:17:42  brouard
 #define FTOL 1.0e-10    Summary: 0.98q4
   
 #define NRANSI    Revision 1.192  2015/07/16 16:49:02  brouard
 #define ITMAX 200    Summary: Fixing some outputs
   
 #define TOL 2.0e-4    Revision 1.191  2015/07/14 10:00:33  brouard
     Summary: Some fixes
 #define CGOLD 0.3819660  
 #define ZEPS 1.0e-10    Revision 1.190  2015/05/05 08:51:13  brouard
 #define SHFT(a,b,c,d) (a)=(b);(b)=(c);(c)=(d);    Summary: Adding digits in output parameters (7 digits instead of 6)
   
 #define GOLD 1.618034    Fix 1+age+.
 #define GLIMIT 100.0  
 #define TINY 1.0e-20    Revision 1.189  2015/04/30 14:45:16  brouard
     Summary: 0.98q2
 static double maxarg1,maxarg2;  
 #define FMAX(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)>(maxarg2)? (maxarg1):(maxarg2))    Revision 1.188  2015/04/30 08:27:53  brouard
 #define FMIN(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)<(maxarg2)? (maxarg1):(maxarg2))    *** empty log message ***
    
 #define SIGN(a,b) ((b)>0.0 ? fabs(a) : -fabs(a))    Revision 1.187  2015/04/29 09:11:15  brouard
 #define rint(a) floor(a+0.5)    *** empty log message ***
   
 static double sqrarg;    Revision 1.186  2015/04/23 12:01:52  brouard
 #define SQR(a) ((sqrarg=(a)) == 0.0 ? 0.0 :sqrarg*sqrarg)    Summary: V1*age is working now, version 0.98q1
 #define SWAP(a,b) {temp=(a);(a)=(b);(b)=temp;}  
     Some codes had been disabled in order to simplify and Vn*age was
 int imx;    working in the optimization phase, ie, giving correct MLE parameters,
 int stepm;    but, as usual, outputs were not correct and program core dumped.
 /* Stepm, step in month: minimum step interpolation*/  
     Revision 1.185  2015/03/11 13:26:42  brouard
 int m,nb;    Summary: Inclusion of compile and links command line for Intel Compiler
 int *num, firstpass=0, lastpass=4,*cod, *ncodemax, *Tage;  
 double **agev,*moisnais, *annais, *moisdc, *andc,**mint, **anint;    Revision 1.184  2015/03/11 11:52:39  brouard
 double **pmmij, ***probs, ***mobaverage;    Summary: Back from Windows 8. Intel Compiler
 double dateintmean=0;  
     Revision 1.183  2015/03/10 20:34:32  brouard
 double *weight;    Summary: 0.98q0, trying with directest, mnbrak fixed
 int **s; /* Status */  
 double *agedc, **covar, idx;    We use directest instead of original Powell test; probably no
 int **nbcode, *Tcode, *Tvar, **codtab, **Tvard, *Tprod, cptcovprod, *Tvaraff;    incidence on the results, but better justifications;
     We fixed Numerical Recipes mnbrak routine which was wrong and gave
 double ftol=FTOL; /* Tolerance for computing Max Likelihood */    wrong results.
 double ftolhess; /* Tolerance for computing hessian */  
     Revision 1.182  2015/02/12 08:19:57  brouard
 /**************** split *************************/    Summary: Trying to keep directest which seems simpler and more general
 static  int split( char *path, char *dirc, char *name, char *ext, char *finame )    Author: Nicolas Brouard
 {  
    char *s;                             /* pointer */    Revision 1.181  2015/02/11 23:22:24  brouard
    int  l1, l2;                         /* length counters */    Summary: Comments on Powell added
   
    l1 = strlen( path );                 /* length of path */    Author:
    if ( l1 == 0 ) return( GLOCK_ERROR_NOPATH );  
 #ifdef windows    Revision 1.180  2015/02/11 17:33:45  brouard
    s = strrchr( path, '\\' );           /* find last / */    Summary: Finishing move from main to function (hpijx and prevalence_limit)
 #else  
    s = strrchr( path, '/' );            /* find last / */    Revision 1.179  2015/01/04 09:57:06  brouard
 #endif    Summary: back to OS/X
    if ( s == NULL ) {                   /* no directory, so use current */  
 #if     defined(__bsd__)                /* get current working directory */    Revision 1.178  2015/01/04 09:35:48  brouard
       extern char       *getwd( );    *** empty log message ***
   
       if ( getwd( dirc ) == NULL ) {    Revision 1.177  2015/01/03 18:40:56  brouard
 #else    Summary: Still testing ilc32 on OSX
       extern char       *getcwd( );  
     Revision 1.176  2015/01/03 16:45:04  brouard
       if ( getcwd( dirc, FILENAME_MAX ) == NULL ) {    *** empty log message ***
 #endif  
          return( GLOCK_ERROR_GETCWD );    Revision 1.175  2015/01/03 16:33:42  brouard
       }    *** empty log message ***
       strcpy( name, path );             /* we've got it */  
    } else {                             /* strip direcotry from path */    Revision 1.174  2015/01/03 16:15:49  brouard
       s++;                              /* after this, the filename */    Summary: Still in cross-compilation
       l2 = strlen( s );                 /* length of filename */  
       if ( l2 == 0 ) return( GLOCK_ERROR_NOPATH );    Revision 1.173  2015/01/03 12:06:26  brouard
       strcpy( name, s );                /* save file name */    Summary: trying to detect cross-compilation
       strncpy( dirc, path, l1 - l2 );   /* now the directory */  
       dirc[l1-l2] = 0;                  /* add zero */    Revision 1.172  2014/12/27 12:07:47  brouard
    }    Summary: Back from Visual Studio and Intel, options for compiling for Windows XP
    l1 = strlen( dirc );                 /* length of directory */  
 #ifdef windows    Revision 1.171  2014/12/23 13:26:59  brouard
    if ( dirc[l1-1] != '\\' ) { dirc[l1] = '\\'; dirc[l1+1] = 0; }    Summary: Back from Visual C
 #else  
    if ( dirc[l1-1] != '/' ) { dirc[l1] = '/'; dirc[l1+1] = 0; }    Still problem with utsname.h on Windows
 #endif  
    s = strrchr( name, '.' );            /* find last / */    Revision 1.170  2014/12/23 11:17:12  brouard
    s++;    Summary: Cleaning some \%% back to %%
    strcpy(ext,s);                       /* save extension */  
    l1= strlen( name);    The escape was mandatory for a specific compiler (which one?), but too many warnings.
    l2= strlen( s)+1;  
    strncpy( finame, name, l1-l2);    Revision 1.169  2014/12/22 23:08:31  brouard
    finame[l1-l2]= 0;    Summary: 0.98p
    return( 0 );                         /* we're done */  
 }    Outputs some informations on compiler used, OS etc. Testing on different platforms.
   
     Revision 1.168  2014/12/22 15:17:42  brouard
 /******************************************/    Summary: update
   
 void replace(char *s, char*t)    Revision 1.167  2014/12/22 13:50:56  brouard
 {    Summary: Testing uname and compiler version and if compiled 32 or 64
   int i;  
   int lg=20;    Testing on Linux 64
   i=0;  
   lg=strlen(t);    Revision 1.166  2014/12/22 11:40:47  brouard
   for(i=0; i<= lg; i++) {    *** empty log message ***
     (s[i] = t[i]);  
     if (t[i]== '\\') s[i]='/';    Revision 1.165  2014/12/16 11:20:36  brouard
   }    Summary: After compiling on Visual C
 }  
     * imach.c (Module): Merging 1.61 to 1.162
 int nbocc(char *s, char occ)  
 {    Revision 1.164  2014/12/16 10:52:11  brouard
   int i,j=0;    Summary: Merging with Visual C after suppressing some warnings for unused variables. Also fixing Saito's bug 0.98Xn
   int lg=20;  
   i=0;    * imach.c (Module): Merging 1.61 to 1.162
   lg=strlen(s);  
   for(i=0; i<= lg; i++) {    Revision 1.163  2014/12/16 10:30:11  brouard
   if  (s[i] == occ ) j++;    * imach.c (Module): Merging 1.61 to 1.162
   }  
   return j;    Revision 1.162  2014/09/25 11:43:39  brouard
 }    Summary: temporary backup 0.99!
   
 void cutv(char *u,char *v, char*t, char occ)    Revision 1.1  2014/09/16 11:06:58  brouard
 {    Summary: With some code (wrong) for nlopt
   int i,lg,j,p=0;  
   i=0;    Author:
   for(j=0; j<=strlen(t)-1; j++) {  
     if((t[j]!= occ) && (t[j+1]== occ)) p=j+1;    Revision 1.161  2014/09/15 20:41:41  brouard
   }    Summary: Problem with macro SQR on Intel compiler
   
   lg=strlen(t);    Revision 1.160  2014/09/02 09:24:05  brouard
   for(j=0; j<p; j++) {    *** empty log message ***
     (u[j] = t[j]);  
   }    Revision 1.159  2014/09/01 10:34:10  brouard
      u[p]='\0';    Summary: WIN32
     Author: Brouard
    for(j=0; j<= lg; j++) {  
     if (j>=(p+1))(v[j-p-1] = t[j]);    Revision 1.158  2014/08/27 17:11:51  brouard
   }    *** empty log message ***
 }  
     Revision 1.157  2014/08/27 16:26:55  brouard
 /********************** nrerror ********************/    Summary: Preparing windows Visual studio version
     Author: Brouard
 void nrerror(char error_text[])  
 {    In order to compile on Visual studio, time.h is now correct and time_t
   fprintf(stderr,"ERREUR ...\n");    and tm struct should be used. difftime should be used but sometimes I
   fprintf(stderr,"%s\n",error_text);    just make the differences in raw time format (time(&now).
   exit(1);    Trying to suppress #ifdef LINUX
 }    Add xdg-open for __linux in order to open default browser.
 /*********************** vector *******************/  
 double *vector(int nl, int nh)    Revision 1.156  2014/08/25 20:10:10  brouard
 {    *** empty log message ***
   double *v;  
   v=(double *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(double)));    Revision 1.155  2014/08/25 18:32:34  brouard
   if (!v) nrerror("allocation failure in vector");    Summary: New compile, minor changes
   return v-nl+NR_END;    Author: Brouard
 }  
     Revision 1.154  2014/06/20 17:32:08  brouard
 /************************ free vector ******************/    Summary: Outputs now all graphs of convergence to period prevalence
 void free_vector(double*v, int nl, int nh)  
 {    Revision 1.153  2014/06/20 16:45:46  brouard
   free((FREE_ARG)(v+nl-NR_END));    Summary: If 3 live state, convergence to period prevalence on same graph
 }    Author: Brouard
   
 /************************ivector *******************************/    Revision 1.152  2014/06/18 17:54:09  brouard
 int *ivector(long nl,long nh)    Summary: open browser, use gnuplot on same dir than imach if not found in the path
 {  
   int *v;    Revision 1.151  2014/06/18 16:43:30  brouard
   v=(int *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(int)));    *** empty log message ***
   if (!v) nrerror("allocation failure in ivector");  
   return v-nl+NR_END;    Revision 1.150  2014/06/18 16:42:35  brouard
 }    Summary: If gnuplot is not in the path try on same directory than imach binary (OSX)
     Author: brouard
 /******************free ivector **************************/  
 void free_ivector(int *v, long nl, long nh)    Revision 1.149  2014/06/18 15:51:14  brouard
 {    Summary: Some fixes in parameter files errors
   free((FREE_ARG)(v+nl-NR_END));    Author: Nicolas Brouard
 }  
     Revision 1.148  2014/06/17 17:38:48  brouard
 /******************* imatrix *******************************/    Summary: Nothing new
 int **imatrix(long nrl, long nrh, long ncl, long nch)    Author: Brouard
      /* allocate a int matrix with subscript range m[nrl..nrh][ncl..nch] */  
 {    Just a new packaging for OS/X version 0.98nS
   long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;  
   int **m;    Revision 1.147  2014/06/16 10:33:11  brouard
      *** empty log message ***
   /* allocate pointers to rows */  
   m=(int **) malloc((size_t)((nrow+NR_END)*sizeof(int*)));    Revision 1.146  2014/06/16 10:20:28  brouard
   if (!m) nrerror("allocation failure 1 in matrix()");    Summary: Merge
   m += NR_END;    Author: Brouard
   m -= nrl;  
      Merge, before building revised version.
    
   /* allocate rows and set pointers to them */    Revision 1.145  2014/06/10 21:23:15  brouard
   m[nrl]=(int *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(int)));    Summary: Debugging with valgrind
   if (!m[nrl]) nrerror("allocation failure 2 in matrix()");    Author: Nicolas Brouard
   m[nrl] += NR_END;  
   m[nrl] -= ncl;    Lot of changes in order to output the results with some covariates
      After the Edimburgh REVES conference 2014, it seems mandatory to
   for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;    improve the code.
      No more memory valgrind error but a lot has to be done in order to
   /* return pointer to array of pointers to rows */    continue the work of splitting the code into subroutines.
   return m;    Also, decodemodel has been improved. Tricode is still not
 }    optimal. nbcode should be improved. Documentation has been added in
     the source code.
 /****************** free_imatrix *************************/  
 void free_imatrix(m,nrl,nrh,ncl,nch)    Revision 1.143  2014/01/26 09:45:38  brouard
       int **m;    Summary: Version 0.98nR (to be improved, but gives same optimization results as 0.98k. Nice, promising
       long nch,ncl,nrh,nrl;  
      /* free an int matrix allocated by imatrix() */    * imach.c (Module): Trying to merge old staffs together while being at Tokyo. Not tested...
 {    (Module): Version 0.98nR Running ok, but output format still only works for three covariates.
   free((FREE_ARG) (m[nrl]+ncl-NR_END));  
   free((FREE_ARG) (m+nrl-NR_END));    Revision 1.142  2014/01/26 03:57:36  brouard
 }    Summary: gnuplot changed plot w l 1 has to be changed to plot w l lt 2
   
 /******************* matrix *******************************/    * imach.c (Module): Trying to merge old staffs together while being at Tokyo. Not tested...
 double **matrix(long nrl, long nrh, long ncl, long nch)  
 {    Revision 1.141  2014/01/26 02:42:01  brouard
   long i, nrow=nrh-nrl+1, ncol=nch-ncl+1;    * imach.c (Module): Trying to merge old staffs together while being at Tokyo. Not tested...
   double **m;  
     Revision 1.140  2011/09/02 10:37:54  brouard
   m=(double **) malloc((size_t)((nrow+NR_END)*sizeof(double*)));    Summary: times.h is ok with mingw32 now.
   if (!m) nrerror("allocation failure 1 in matrix()");  
   m += NR_END;    Revision 1.139  2010/06/14 07:50:17  brouard
   m -= nrl;    After the theft of my laptop, I probably lost some lines of codes which were not uploaded to the CVS tree.
     I remember having already fixed agemin agemax which are pointers now but not cvs saved.
   m[nrl]=(double *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));  
   if (!m[nrl]) nrerror("allocation failure 2 in matrix()");    Revision 1.138  2010/04/30 18:19:40  brouard
   m[nrl] += NR_END;    *** empty log message ***
   m[nrl] -= ncl;  
     Revision 1.137  2010/04/29 18:11:38  brouard
   for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;    (Module): Checking covariates for more complex models
   return m;    than V1+V2. A lot of change to be done. Unstable.
 }  
     Revision 1.136  2010/04/26 20:30:53  brouard
 /*************************free matrix ************************/    (Module): merging some libgsl code. Fixing computation
 void free_matrix(double **m, long nrl, long nrh, long ncl, long nch)    of likelione (using inter/intrapolation if mle = 0) in order to
 {    get same likelihood as if mle=1.
   free((FREE_ARG)(m[nrl]+ncl-NR_END));    Some cleaning of code and comments added.
   free((FREE_ARG)(m+nrl-NR_END));  
 }    Revision 1.135  2009/10/29 15:33:14  brouard
     (Module): Now imach stops if date of birth, at least year of birth, is not given. Some cleaning of the code.
 /******************* ma3x *******************************/  
 double ***ma3x(long nrl, long nrh, long ncl, long nch, long nll, long nlh)    Revision 1.134  2009/10/29 13:18:53  brouard
 {    (Module): Now imach stops if date of birth, at least year of birth, is not given. Some cleaning of the code.
   long i, j, nrow=nrh-nrl+1, ncol=nch-ncl+1, nlay=nlh-nll+1;  
   double ***m;    Revision 1.133  2009/07/06 10:21:25  brouard
     just nforces
   m=(double ***) malloc((size_t)((nrow+NR_END)*sizeof(double*)));  
   if (!m) nrerror("allocation failure 1 in matrix()");    Revision 1.132  2009/07/06 08:22:05  brouard
   m += NR_END;    Many tings
   m -= nrl;  
     Revision 1.131  2009/06/20 16:22:47  brouard
   m[nrl]=(double **) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));    Some dimensions resccaled
   if (!m[nrl]) nrerror("allocation failure 2 in matrix()");  
   m[nrl] += NR_END;    Revision 1.130  2009/05/26 06:44:34  brouard
   m[nrl] -= ncl;    (Module): Max Covariate is now set to 20 instead of 8. A
     lot of cleaning with variables initialized to 0. Trying to make
   for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;    V2+V3*age+V1+V4 strb=V3*age+V1+V4 working better.
   
   m[nrl][ncl]=(double *) malloc((size_t)((nrow*ncol*nlay+NR_END)*sizeof(double)));    Revision 1.129  2007/08/31 13:49:27  lievre
   if (!m[nrl][ncl]) nrerror("allocation failure 3 in matrix()");    Modification of the way of exiting when the covariate is not binary in order to see on the window the error message before exiting
   m[nrl][ncl] += NR_END;  
   m[nrl][ncl] -= nll;    Revision 1.128  2006/06/30 13:02:05  brouard
   for (j=ncl+1; j<=nch; j++)    (Module): Clarifications on computing e.j
     m[nrl][j]=m[nrl][j-1]+nlay;  
      Revision 1.127  2006/04/28 18:11:50  brouard
   for (i=nrl+1; i<=nrh; i++) {    (Module): Yes the sum of survivors was wrong since
     m[i][ncl]=m[i-1l][ncl]+ncol*nlay;    imach-114 because nhstepm was no more computed in the age
     for (j=ncl+1; j<=nch; j++)    loop. Now we define nhstepma in the age loop.
       m[i][j]=m[i][j-1]+nlay;    (Module): In order to speed up (in case of numerous covariates) we
   }    compute health expectancies (without variances) in a first step
   return m;    and then all the health expectancies with variances or standard
 }    deviation (needs data from the Hessian matrices) which slows the
     computation.
 /*************************free ma3x ************************/    In the future we should be able to stop the program is only health
 void free_ma3x(double ***m, long nrl, long nrh, long ncl, long nch,long nll, long nlh)    expectancies and graph are needed without standard deviations.
 {  
   free((FREE_ARG)(m[nrl][ncl]+ nll-NR_END));    Revision 1.126  2006/04/28 17:23:28  brouard
   free((FREE_ARG)(m[nrl]+ncl-NR_END));    (Module): Yes the sum of survivors was wrong since
   free((FREE_ARG)(m+nrl-NR_END));    imach-114 because nhstepm was no more computed in the age
 }    loop. Now we define nhstepma in the age loop.
     Version 0.98h
 /***************** f1dim *************************/  
 extern int ncom;    Revision 1.125  2006/04/04 15:20:31  lievre
 extern double *pcom,*xicom;    Errors in calculation of health expectancies. Age was not initialized.
 extern double (*nrfunc)(double []);    Forecasting file added.
    
 double f1dim(double x)    Revision 1.124  2006/03/22 17:13:53  lievre
 {    Parameters are printed with %lf instead of %f (more numbers after the comma).
   int j;    The log-likelihood is printed in the log file
   double f;  
   double *xt;    Revision 1.123  2006/03/20 10:52:43  brouard
      * imach.c (Module): <title> changed, corresponds to .htm file
   xt=vector(1,ncom);    name. <head> headers where missing.
   for (j=1;j<=ncom;j++) xt[j]=pcom[j]+x*xicom[j];  
   f=(*nrfunc)(xt);    * imach.c (Module): Weights can have a decimal point as for
   free_vector(xt,1,ncom);    English (a comma might work with a correct LC_NUMERIC environment,
   return f;    otherwise the weight is truncated).
 }    Modification of warning when the covariates values are not 0 or
     1.
 /*****************brent *************************/    Version 0.98g
 double brent(double ax, double bx, double cx, double (*f)(double), double tol,  double *xmin)  
 {    Revision 1.122  2006/03/20 09:45:41  brouard
   int iter;    (Module): Weights can have a decimal point as for
   double a,b,d,etemp;    English (a comma might work with a correct LC_NUMERIC environment,
   double fu,fv,fw,fx;    otherwise the weight is truncated).
   double ftemp;    Modification of warning when the covariates values are not 0 or
   double p,q,r,tol1,tol2,u,v,w,x,xm;    1.
   double e=0.0;    Version 0.98g
    
   a=(ax < cx ? ax : cx);    Revision 1.121  2006/03/16 17:45:01  lievre
   b=(ax > cx ? ax : cx);    * imach.c (Module): Comments concerning covariates added
   x=w=v=bx;  
   fw=fv=fx=(*f)(x);    * imach.c (Module): refinements in the computation of lli if
   for (iter=1;iter<=ITMAX;iter++) {    status=-2 in order to have more reliable computation if stepm is
     xm=0.5*(a+b);    not 1 month. Version 0.98f
     tol2=2.0*(tol1=tol*fabs(x)+ZEPS);  
     /*          if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret)))*/    Revision 1.120  2006/03/16 15:10:38  lievre
     printf(".");fflush(stdout);    (Module): refinements in the computation of lli if
 #ifdef DEBUG    status=-2 in order to have more reliable computation if stepm is
     printf("br %d,x=%.10e xm=%.10e b=%.10e a=%.10e tol=%.10e tol1=%.10e tol2=%.10e x-xm=%.10e fx=%.12e fu=%.12e,fw=%.12e,ftemp=%.12e,ftol=%.12e\n",iter,x,xm,b,a,tol,tol1,tol2,(x-xm),fx,fu,fw,ftemp,ftol);    not 1 month. Version 0.98f
     /*          if ((fabs(x-xm) <= (tol2-0.5*(b-a)))||(2.0*fabs(fu-ftemp) <= ftol*1.e-2*(fabs(fu)+fabs(ftemp)))) { */  
 #endif    Revision 1.119  2006/03/15 17:42:26  brouard
     if (fabs(x-xm) <= (tol2-0.5*(b-a))){    (Module): Bug if status = -2, the loglikelihood was
       *xmin=x;    computed as likelihood omitting the logarithm. Version O.98e
       return fx;  
     }    Revision 1.118  2006/03/14 18:20:07  brouard
     ftemp=fu;    (Module): varevsij Comments added explaining the second
     if (fabs(e) > tol1) {    table of variances if popbased=1 .
       r=(x-w)*(fx-fv);    (Module): Covariances of eij, ekl added, graphs fixed, new html link.
       q=(x-v)*(fx-fw);    (Module): Function pstamp added
       p=(x-v)*q-(x-w)*r;    (Module): Version 0.98d
       q=2.0*(q-r);  
       if (q > 0.0) p = -p;    Revision 1.117  2006/03/14 17:16:22  brouard
       q=fabs(q);    (Module): varevsij Comments added explaining the second
       etemp=e;    table of variances if popbased=1 .
       e=d;    (Module): Covariances of eij, ekl added, graphs fixed, new html link.
       if (fabs(p) >= fabs(0.5*q*etemp) || p <= q*(a-x) || p >= q*(b-x))    (Module): Function pstamp added
         d=CGOLD*(e=(x >= xm ? a-x : b-x));    (Module): Version 0.98d
       else {  
         d=p/q;    Revision 1.116  2006/03/06 10:29:27  brouard
         u=x+d;    (Module): Variance-covariance wrong links and
         if (u-a < tol2 || b-u < tol2)    varian-covariance of ej. is needed (Saito).
           d=SIGN(tol1,xm-x);  
       }    Revision 1.115  2006/02/27 12:17:45  brouard
     } else {    (Module): One freematrix added in mlikeli! 0.98c
       d=CGOLD*(e=(x >= xm ? a-x : b-x));  
     }    Revision 1.114  2006/02/26 12:57:58  brouard
     u=(fabs(d) >= tol1 ? x+d : x+SIGN(tol1,d));    (Module): Some improvements in processing parameter
     fu=(*f)(u);    filename with strsep.
     if (fu <= fx) {  
       if (u >= x) a=x; else b=x;    Revision 1.113  2006/02/24 14:20:24  brouard
       SHFT(v,w,x,u)    (Module): Memory leaks checks with valgrind and:
         SHFT(fv,fw,fx,fu)    datafile was not closed, some imatrix were not freed and on matrix
         } else {    allocation too.
           if (u < x) a=u; else b=u;  
           if (fu <= fw || w == x) {    Revision 1.112  2006/01/30 09:55:26  brouard
             v=w;    (Module): Back to gnuplot.exe instead of wgnuplot.exe
             w=u;  
             fv=fw;    Revision 1.111  2006/01/25 20:38:18  brouard
             fw=fu;    (Module): Lots of cleaning and bugs added (Gompertz)
           } else if (fu <= fv || v == x || v == w) {    (Module): Comments can be added in data file. Missing date values
             v=u;    can be a simple dot '.'.
             fv=fu;  
           }    Revision 1.110  2006/01/25 00:51:50  brouard
         }    (Module): Lots of cleaning and bugs added (Gompertz)
   }  
   nrerror("Too many iterations in brent");    Revision 1.109  2006/01/24 19:37:15  brouard
   *xmin=x;    (Module): Comments (lines starting with a #) are allowed in data.
   return fx;  
 }    Revision 1.108  2006/01/19 18:05:42  lievre
     Gnuplot problem appeared...
 /****************** mnbrak ***********************/    To be fixed
   
 void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb, double *fc,    Revision 1.107  2006/01/19 16:20:37  brouard
             double (*func)(double))    Test existence of gnuplot in imach path
 {  
   double ulim,u,r,q, dum;    Revision 1.106  2006/01/19 13:24:36  brouard
   double fu;    Some cleaning and links added in html output
    
   *fa=(*func)(*ax);    Revision 1.105  2006/01/05 20:23:19  lievre
   *fb=(*func)(*bx);    *** empty log message ***
   if (*fb > *fa) {  
     SHFT(dum,*ax,*bx,dum)    Revision 1.104  2005/09/30 16:11:43  lievre
       SHFT(dum,*fb,*fa,dum)    (Module): sump fixed, loop imx fixed, and simplifications.
       }    (Module): If the status is missing at the last wave but we know
   *cx=(*bx)+GOLD*(*bx-*ax);    that the person is alive, then we can code his/her status as -2
   *fc=(*func)(*cx);    (instead of missing=-1 in earlier versions) and his/her
   while (*fb > *fc) {    contributions to the likelihood is 1 - Prob of dying from last
     r=(*bx-*ax)*(*fb-*fc);    health status (= 1-p13= p11+p12 in the easiest case of somebody in
     q=(*bx-*cx)*(*fb-*fa);    the healthy state at last known wave). Version is 0.98
     u=(*bx)-((*bx-*cx)*q-(*bx-*ax)*r)/  
       (2.0*SIGN(FMAX(fabs(q-r),TINY),q-r));    Revision 1.103  2005/09/30 15:54:49  lievre
     ulim=(*bx)+GLIMIT*(*cx-*bx);    (Module): sump fixed, loop imx fixed, and simplifications.
     if ((*bx-u)*(u-*cx) > 0.0) {  
       fu=(*func)(u);    Revision 1.102  2004/09/15 17:31:30  brouard
     } else if ((*cx-u)*(u-ulim) > 0.0) {    Add the possibility to read data file including tab characters.
       fu=(*func)(u);  
       if (fu < *fc) {    Revision 1.101  2004/09/15 10:38:38  brouard
         SHFT(*bx,*cx,u,*cx+GOLD*(*cx-*bx))    Fix on curr_time
           SHFT(*fb,*fc,fu,(*func)(u))  
           }    Revision 1.100  2004/07/12 18:29:06  brouard
     } else if ((u-ulim)*(ulim-*cx) >= 0.0) {    Add version for Mac OS X. Just define UNIX in Makefile
       u=ulim;  
       fu=(*func)(u);    Revision 1.99  2004/06/05 08:57:40  brouard
     } else {    *** empty log message ***
       u=(*cx)+GOLD*(*cx-*bx);  
       fu=(*func)(u);    Revision 1.98  2004/05/16 15:05:56  brouard
     }    New version 0.97 . First attempt to estimate force of mortality
     SHFT(*ax,*bx,*cx,u)    directly from the data i.e. without the need of knowing the health
       SHFT(*fa,*fb,*fc,fu)    state at each age, but using a Gompertz model: log u =a + b*age .
       }    This is the basic analysis of mortality and should be done before any
 }    other analysis, in order to test if the mortality estimated from the
     cross-longitudinal survey is different from the mortality estimated
 /*************** linmin ************************/    from other sources like vital statistic data.
   
 int ncom;    The same imach parameter file can be used but the option for mle should be -3.
 double *pcom,*xicom;  
 double (*nrfunc)(double []);    Agnès, who wrote this part of the code, tried to keep most of the
      former routines in order to include the new code within the former code.
 void linmin(double p[], double xi[], int n, double *fret,double (*func)(double []))  
 {    The output is very simple: only an estimate of the intercept and of
   double brent(double ax, double bx, double cx,    the slope with 95% confident intervals.
                double (*f)(double), double tol, double *xmin);  
   double f1dim(double x);    Current limitations:
   void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb,    A) Even if you enter covariates, i.e. with the
               double *fc, double (*func)(double));    model= V1+V2 equation for example, the programm does only estimate a unique global model without covariates.
   int j;    B) There is no computation of Life Expectancy nor Life Table.
   double xx,xmin,bx,ax;  
   double fx,fb,fa;    Revision 1.97  2004/02/20 13:25:42  lievre
      Version 0.96d. Population forecasting command line is (temporarily)
   ncom=n;    suppressed.
   pcom=vector(1,n);  
   xicom=vector(1,n);    Revision 1.96  2003/07/15 15:38:55  brouard
   nrfunc=func;    * imach.c (Repository): Errors in subdirf, 2, 3 while printing tmpout is
   for (j=1;j<=n;j++) {    rewritten within the same printf. Workaround: many printfs.
     pcom[j]=p[j];  
     xicom[j]=xi[j];    Revision 1.95  2003/07/08 07:54:34  brouard
   }    * imach.c (Repository):
   ax=0.0;    (Repository): Using imachwizard code to output a more meaningful covariance
   xx=1.0;    matrix (cov(a12,c31) instead of numbers.
   mnbrak(&ax,&xx,&bx,&fa,&fx,&fb,f1dim);  
   *fret=brent(ax,xx,bx,f1dim,TOL,&xmin);    Revision 1.94  2003/06/27 13:00:02  brouard
 #ifdef DEBUG    Just cleaning
   printf("retour brent fret=%.12e xmin=%.12e\n",*fret,xmin);  
 #endif    Revision 1.93  2003/06/25 16:33:55  brouard
   for (j=1;j<=n;j++) {    (Module): On windows (cygwin) function asctime_r doesn't
     xi[j] *= xmin;    exist so I changed back to asctime which exists.
     p[j] += xi[j];    (Module): Version 0.96b
   }  
   free_vector(xicom,1,n);    Revision 1.92  2003/06/25 16:30:45  brouard
   free_vector(pcom,1,n);    (Module): On windows (cygwin) function asctime_r doesn't
 }    exist so I changed back to asctime which exists.
   
 /*************** powell ************************/    Revision 1.91  2003/06/25 15:30:29  brouard
 void powell(double p[], double **xi, int n, double ftol, int *iter, double *fret,    * imach.c (Repository): Duplicated warning errors corrected.
             double (*func)(double []))    (Repository): Elapsed time after each iteration is now output. It
 {    helps to forecast when convergence will be reached. Elapsed time
   void linmin(double p[], double xi[], int n, double *fret,    is stamped in powell.  We created a new html file for the graphs
               double (*func)(double []));    concerning matrix of covariance. It has extension -cov.htm.
   int i,ibig,j;  
   double del,t,*pt,*ptt,*xit;    Revision 1.90  2003/06/24 12:34:15  brouard
   double fp,fptt;    (Module): Some bugs corrected for windows. Also, when
   double *xits;    mle=-1 a template is output in file "or"mypar.txt with the design
   pt=vector(1,n);    of the covariance matrix to be input.
   ptt=vector(1,n);  
   xit=vector(1,n);    Revision 1.89  2003/06/24 12:30:52  brouard
   xits=vector(1,n);    (Module): Some bugs corrected for windows. Also, when
   *fret=(*func)(p);    mle=-1 a template is output in file "or"mypar.txt with the design
   for (j=1;j<=n;j++) pt[j]=p[j];    of the covariance matrix to be input.
   for (*iter=1;;++(*iter)) {  
     fp=(*fret);    Revision 1.88  2003/06/23 17:54:56  brouard
     ibig=0;    * imach.c (Repository): Create a sub-directory where all the secondary files are. Only imach, htm, gp and r(imach) are on the main directory. Correct time and other things.
     del=0.0;  
     printf("\nPowell iter=%d -2*LL=%.12f",*iter,*fret);    Revision 1.87  2003/06/18 12:26:01  brouard
     for (i=1;i<=n;i++)    Version 0.96
       printf(" %d %.12f",i, p[i]);  
     printf("\n");    Revision 1.86  2003/06/17 20:04:08  brouard
     for (i=1;i<=n;i++) {    (Module): Change position of html and gnuplot routines and added
       for (j=1;j<=n;j++) xit[j]=xi[j][i];    routine fileappend.
       fptt=(*fret);  
 #ifdef DEBUG    Revision 1.85  2003/06/17 13:12:43  brouard
       printf("fret=%lf \n",*fret);    * imach.c (Repository): Check when date of death was earlier that
 #endif    current date of interview. It may happen when the death was just
       printf("%d",i);fflush(stdout);    prior to the death. In this case, dh was negative and likelihood
       linmin(p,xit,n,fret,func);    was wrong (infinity). We still send an "Error" but patch by
       if (fabs(fptt-(*fret)) > del) {    assuming that the date of death was just one stepm after the
         del=fabs(fptt-(*fret));    interview.
         ibig=i;    (Repository): Because some people have very long ID (first column)
       }    we changed int to long in num[] and we added a new lvector for
 #ifdef DEBUG    memory allocation. But we also truncated to 8 characters (left
       printf("%d %.12e",i,(*fret));    truncation)
       for (j=1;j<=n;j++) {    (Repository): No more line truncation errors.
         xits[j]=FMAX(fabs(p[j]-pt[j]),1.e-5);  
         printf(" x(%d)=%.12e",j,xit[j]);    Revision 1.84  2003/06/13 21:44:43  brouard
       }    * imach.c (Repository): Replace "freqsummary" at a correct
       for(j=1;j<=n;j++)    place. It differs from routine "prevalence" which may be called
         printf(" p=%.12e",p[j]);    many times. Probs is memory consuming and must be used with
       printf("\n");    parcimony.
 #endif    Version 0.95a3 (should output exactly the same maximization than 0.8a2)
     }  
     if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret))) {    Revision 1.83  2003/06/10 13:39:11  lievre
 #ifdef DEBUG    *** empty log message ***
       int k[2],l;  
       k[0]=1;    Revision 1.82  2003/06/05 15:57:20  brouard
       k[1]=-1;    Add log in  imach.c and  fullversion number is now printed.
       printf("Max: %.12e",(*func)(p));  
       for (j=1;j<=n;j++)  */
         printf(" %.12e",p[j]);  /*
       printf("\n");     Interpolated Markov Chain
       for(l=0;l<=1;l++) {  
         for (j=1;j<=n;j++) {    Short summary of the programme:
           ptt[j]=p[j]+(p[j]-pt[j])*k[l];    
           printf("l=%d j=%d ptt=%.12e, xits=%.12e, p=%.12e, xit=%.12e", l,j,ptt[j],xits[j],p[j],xit[j]);    This program computes Healthy Life Expectancies from
         }    cross-longitudinal data. Cross-longitudinal data consist in: -1- a
         printf("func(ptt)=%.12e, deriv=%.12e\n",(*func)(ptt),(ptt[j]-p[j])/((*func)(ptt)-(*func)(p)));    first survey ("cross") where individuals from different ages are
       }    interviewed on their health status or degree of disability (in the
 #endif    case of a health survey which is our main interest) -2- at least a
     second wave of interviews ("longitudinal") which measure each change
     (if any) in individual health status.  Health expectancies are
       free_vector(xit,1,n);    computed from the time spent in each health state according to a
       free_vector(xits,1,n);    model. More health states you consider, more time is necessary to reach the
       free_vector(ptt,1,n);    Maximum Likelihood of the parameters involved in the model.  The
       free_vector(pt,1,n);    simplest model is the multinomial logistic model where pij is the
       return;    probability to be observed in state j at the second wave
     }    conditional to be observed in state i at the first wave. Therefore
     if (*iter == ITMAX) nrerror("powell exceeding maximum iterations.");    the model is: log(pij/pii)= aij + bij*age+ cij*sex + etc , where
     for (j=1;j<=n;j++) {    'age' is age and 'sex' is a covariate. If you want to have a more
       ptt[j]=2.0*p[j]-pt[j];    complex model than "constant and age", you should modify the program
       xit[j]=p[j]-pt[j];    where the markup *Covariates have to be included here again* invites
       pt[j]=p[j];    you to do it.  More covariates you add, slower the
     }    convergence.
     fptt=(*func)(ptt);  
     if (fptt < fp) {    The advantage of this computer programme, compared to a simple
       t=2.0*(fp-2.0*(*fret)+fptt)*SQR(fp-(*fret)-del)-del*SQR(fp-fptt);    multinomial logistic model, is clear when the delay between waves is not
       if (t < 0.0) {    identical for each individual. Also, if a individual missed an
         linmin(p,xit,n,fret,func);    intermediate interview, the information is lost, but taken into
         for (j=1;j<=n;j++) {    account using an interpolation or extrapolation.  
           xi[j][ibig]=xi[j][n];  
           xi[j][n]=xit[j];    hPijx is the probability to be observed in state i at age x+h
         }    conditional to the observed state i at age x. The delay 'h' can be
 #ifdef DEBUG    split into an exact number (nh*stepm) of unobserved intermediate
         printf("Direction changed  last moved %d in place of ibig=%d, new last is the average:\n",n,ibig);    states. This elementary transition (by month, quarter,
         for(j=1;j<=n;j++)    semester or year) is modelled as a multinomial logistic.  The hPx
           printf(" %.12e",xit[j]);    matrix is simply the matrix product of nh*stepm elementary matrices
         printf("\n");    and the contribution of each individual to the likelihood is simply
 #endif    hPijx.
       }  
     }    Also this programme outputs the covariance matrix of the parameters but also
   }    of the life expectancies. It also computes the period (stable) prevalence.
 }  
   Back prevalence and projections:
 /**** Prevalence limit ****************/   - back_prevalence_limit(double *p, double **bprlim, double ageminpar, double agemaxpar, double ftolpl, int *ncvyearp, double dateprev1,double dateprev2, int firstpass, int lastpass, int mobilavproj)
       Computes the back prevalence limit  for any combination     of covariate values k
 double **prevalim(double **prlim, int nlstate, double x[], double age, double **oldm, double **savm, double ftolpl, int ij)      at any age between ageminpar and agemaxpar and returns it in **bprlim. In the loops,
 {     - **bprevalim(**bprlim, ***mobaverage, nlstate, *p, age, **oldm, **savm, **dnewm, **doldm, **dsavm, ftolpl, ncvyearp, k);
   /* Computes the prevalence limit in each live state at age x by left multiplying the unit   - hBijx Back Probability to be in state i at age x-h being in j at x
      matrix by transitions matrix until convergence is reached */     Computes for any combination of covariates k and any age between bage and fage 
      p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
   int i, ii,j,k;                          oldm=oldms;savm=savms;
   double min, max, maxmin, maxmax,sumnew=0.;           - hbxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);
   double **matprod2();       Computes the transition matrix starting at age 'age' over
   double **out, cov[NCOVMAX], **pmij();       'nhstepm*hstepm*stepm' months (i.e. until
   double **newm;       age (in years)  age+nhstepm*hstepm*stepm/12) by multiplying
   double agefin, delaymax=50 ; /* Max number of years to converge */       nhstepm*hstepm matrices. Returns p3mat[i][j][h] after calling 
        p3mat[i][j][h]=matprod2(newm, bmij(pmmij,cov,ncovmodel,x,nlstate,prevacurrent, dnewm, doldm, dsavm,ij),\
   for (ii=1;ii<=nlstate+ndeath;ii++)                                                                           1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm);
     for (j=1;j<=nlstate+ndeath;j++){  
       oldm[ii][j]=(ii==j ? 1.0 : 0.0);    Authors: Nicolas Brouard (brouard@ined.fr) and Agnès Lièvre (lievre@ined.fr).
     }             Institut national d'études démographiques, Paris.
     This software have been partly granted by Euro-REVES, a concerted action
    cov[1]=1.;    from the European Union.
      It is copyrighted identically to a GNU software product, ie programme and
  /* Even if hstepm = 1, at least one multiplication by the unit matrix */    software can be distributed freely for non commercial use. Latest version
   for(agefin=age-stepm/YEARM; agefin>=age-delaymax; agefin=agefin-stepm/YEARM){    can be accessed at http://euroreves.ined.fr/imach .
     newm=savm;  
     /* Covariates have to be included here again */    Help to debug: LD_PRELOAD=/usr/local/lib/libnjamd.so ./imach foo.imach
      cov[2]=agefin;    or better on gdb : set env LD_PRELOAD=/usr/local/lib/libnjamd.so
      
       for (k=1; k<=cptcovn;k++) {    **********************************************************************/
         cov[2+k]=nbcode[Tvar[k]][codtab[ij][Tvar[k]]];  /*
         /*printf("ij=%d Tvar[k]=%d nbcode=%d cov=%lf\n",ij, Tvar[k],nbcode[Tvar[k]][codtab[ij][Tvar[k]]],cov[2+k]);*/    main
       }    read parameterfile
       for (k=1; k<=cptcovage;k++)    read datafile
         cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];    concatwav
       for (k=1; k<=cptcovprod;k++)    freqsummary
         cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];    if (mle >= 1)
       mlikeli
       /*printf("ij=%d cptcovprod=%d tvar=%d ", ij, cptcovprod, Tvar[1]);*/    print results files
       /*printf("ij=%d cov[3]=%lf cov[4]=%lf \n",ij, cov[3],cov[4]);*/    if mle==1 
        computes hessian
     out=matprod2(newm, pmij(pmmij,cov,ncovmodel,x,nlstate),1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm);    read end of parameter file: agemin, agemax, bage, fage, estepm
         begin-prev-date,...
     savm=oldm;    open gnuplot file
     oldm=newm;    open html file
     maxmax=0.;    period (stable) prevalence      | pl_nom    1-1 2-2 etc by covariate
     for(j=1;j<=nlstate;j++){     for age prevalim()             | #****** V1=0  V2=1  V3=1  V4=0 ******
       min=1.;                                    | 65 1 0 2 1 3 1 4 0  0.96326 0.03674
       max=0.;      freexexit2 possible for memory heap.
       for(i=1; i<=nlstate; i++) {  
         sumnew=0;    h Pij x                         | pij_nom  ficrestpij
         for(k=1; k<=ndeath; k++) sumnew+=newm[i][nlstate+k];     # Cov Agex agex+h hpijx with i,j= 1-1 1-2     1-3     2-1     2-2     2-3
         prlim[i][j]= newm[i][j]/(1-sumnew);         1  85   85    1.00000             0.00000 0.00000 0.00000 1.00000 0.00000
         max=FMAX(max,prlim[i][j]);         1  85   86    0.68299             0.22291 0.09410 0.71093 0.00000 0.28907
         min=FMIN(min,prlim[i][j]);  
       }         1  65   99    0.00364             0.00322 0.99314 0.00350 0.00310 0.99340
       maxmin=max-min;         1  65  100    0.00214             0.00204 0.99581 0.00206 0.00196 0.99597
       maxmax=FMAX(maxmax,maxmin);    variance of p one-step probabilities varprob  | prob_nom   ficresprob #One-step probabilities and stand. devi in ()
     }     Standard deviation of one-step probabilities | probcor_nom   ficresprobcor #One-step probabilities and correlation matrix
     if(maxmax < ftolpl){     Matrix of variance covariance of one-step probabilities |  probcov_nom ficresprobcov #One-step probabilities and covariance matrix
       return prlim;  
     }    forecasting if prevfcast==1 prevforecast call prevalence()
   }    health expectancies
 }    Variance-covariance of DFLE
     prevalence()
 /*************** transition probabilities ***************/     movingaverage()
     varevsij() 
 double **pmij(double **ps, double *cov, int ncovmodel, double *x, int nlstate )    if popbased==1 varevsij(,popbased)
 {    total life expectancies
   double s1, s2;    Variance of period (stable) prevalence
   /*double t34;*/   end
   int i,j,j1, nc, ii, jj;  */
   
     for(i=1; i<= nlstate; i++){  /* #define DEBUG */
     for(j=1; j<i;j++){  /* #define DEBUGBRENT */
       for (nc=1, s2=0.;nc <=ncovmodel; nc++){  /* #define DEBUGLINMIN */
         /*s2 += param[i][j][nc]*cov[nc];*/  /* #define DEBUGHESS */
         s2 += x[(i-1)*nlstate*ncovmodel+(j-1)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];  #define DEBUGHESSIJ
         /*printf("Int j<i s1=%.17e, s2=%.17e\n",s1,s2);*/  /* #define LINMINORIGINAL  /\* Don't use loop on scale in linmin (accepting nan)*\/ */
       }  #define POWELL /* Instead of NLOPT */
       ps[i][j]=s2;  #define POWELLF1F3 /* Skip test */
       /*printf("s1=%.17e, s2=%.17e\n",s1,s2);*/  /* #define POWELLORIGINAL /\* Don't use Directest to decide new direction but original Powell test *\/ */
     }  /* #define MNBRAKORIGINAL /\* Don't use mnbrak fix *\/ */
     for(j=i+1; j<=nlstate+ndeath;j++){  
       for (nc=1, s2=0.;nc <=ncovmodel; nc++){  #include <math.h>
         s2 += x[(i-1)*nlstate*ncovmodel+(j-2)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];  #include <stdio.h>
         /*printf("Int j>i s1=%.17e, s2=%.17e %lx %lx\n",s1,s2,s1,s2);*/  #include <stdlib.h>
       }  #include <string.h>
       ps[i][j]=s2;  
     }  #ifdef _WIN32
   }  #include <io.h>
     /*ps[3][2]=1;*/  #include <windows.h>
   #include <tchar.h>
   for(i=1; i<= nlstate; i++){  #else
      s1=0;  #include <unistd.h>
     for(j=1; j<i; j++)  #endif
       s1+=exp(ps[i][j]);  
     for(j=i+1; j<=nlstate+ndeath; j++)  #include <limits.h>
       s1+=exp(ps[i][j]);  #include <sys/types.h>
     ps[i][i]=1./(s1+1.);  
     for(j=1; j<i; j++)  #if defined(__GNUC__)
       ps[i][j]= exp(ps[i][j])*ps[i][i];  #include <sys/utsname.h> /* Doesn't work on Windows */
     for(j=i+1; j<=nlstate+ndeath; j++)  #endif
       ps[i][j]= exp(ps[i][j])*ps[i][i];  
     /* ps[i][nlstate+1]=1.-s1- ps[i][i];*/ /* Sum should be 1 */  #include <sys/stat.h>
   } /* end i */  #include <errno.h>
   /* extern int errno; */
   for(ii=nlstate+1; ii<= nlstate+ndeath; ii++){  
     for(jj=1; jj<= nlstate+ndeath; jj++){  /* #ifdef LINUX */
       ps[ii][jj]=0;  /* #include <time.h> */
       ps[ii][ii]=1;  /* #include "timeval.h" */
     }  /* #else */
   }  /* #include <sys/time.h> */
   /* #endif */
   
   /*   for(ii=1; ii<= nlstate+ndeath; ii++){  #include <time.h>
     for(jj=1; jj<= nlstate+ndeath; jj++){  
      printf("%lf ",ps[ii][jj]);  #ifdef GSL
    }  #include <gsl/gsl_errno.h>
     printf("\n ");  #include <gsl/gsl_multimin.h>
     }  #endif
     printf("\n ");printf("%lf ",cov[2]);*/  
 /*  
   for(i=1; i<= npar; i++) printf("%f ",x[i]);  #ifdef NLOPT
   goto end;*/  #include <nlopt.h>
     return ps;  typedef struct {
 }    double (* function)(double [] );
   } myfunc_data ;
 /**************** Product of 2 matrices ******************/  #endif
   
 double **matprod2(double **out, double **in,long nrl, long nrh, long ncl, long nch, long ncolol, long ncoloh, double **b)  /* #include <libintl.h> */
 {  /* #define _(String) gettext (String) */
   /* Computes the matrix product of in(1,nrh-nrl+1)(1,nch-ncl+1) times  
      b(1,nch-ncl+1)(1,ncoloh-ncolol+1) into out(...) */  #define MAXLINE 1024 /* Was 256. Overflow with 312 with 2 states and 4 covariates. Should be ok */
   /* in, b, out are matrice of pointers which should have been initialized  
      before: only the contents of out is modified. The function returns  #define GNUPLOTPROGRAM "gnuplot"
      a pointer to pointers identical to out */  /*#define GNUPLOTPROGRAM "..\\gp37mgw\\wgnuplot"*/
   long i, j, k;  #define FILENAMELENGTH 132
   for(i=nrl; i<= nrh; i++)  
     for(k=ncolol; k<=ncoloh; k++)  #define GLOCK_ERROR_NOPATH              -1      /* empty path */
       for(j=ncl,out[i][k]=0.; j<=nch; j++)  #define GLOCK_ERROR_GETCWD              -2      /* cannot get cwd */
         out[i][k] +=in[i][j]*b[j][k];  
   #define MAXPARM 128 /**< Maximum number of parameters for the optimization */
   return out;  #define NPARMAX 64 /**< (nlstate+ndeath-1)*nlstate*ncovmodel */
 }  
   #define NINTERVMAX 8
   #define NLSTATEMAX 8 /**< Maximum number of live states (for func) */
 /************* Higher Matrix Product ***************/  #define NDEATHMAX 8 /**< Maximum number of dead states (for func) */
   #define NCOVMAX 20 /**< Maximum number of covariates, including generated covariates V1*V2 */
 double ***hpxij(double ***po, int nhstepm, double age, int hstepm, double *x, int nlstate, int stepm, double **oldm, double **savm, int ij )  #define codtabm(h,k)  (1 & (h-1) >> (k-1))+1
 {  /*#define decodtabm(h,k,cptcoveff)= (h <= (1<<cptcoveff)?(((h-1) >> (k-1)) & 1) +1 : -1)*/
   /* Computes the transition matrix starting at age 'age' over 'nhstepm*hstepm*stepm' month  #define decodtabm(h,k,cptcoveff) (((h-1) >> (k-1)) & 1) +1 
      duration (i.e. until  #define MAXN 20000
      age (in years)  age+nhstepm*stepm/12) by multiplying nhstepm*hstepm matrices.  #define YEARM 12. /**< Number of months per year */
      Output is stored in matrix po[i][j][h] for h every 'hstepm' step  /* #define AGESUP 130 */
      (typically every 2 years instead of every month which is too big).  #define AGESUP 150
      Model is determined by parameters x and covariates have to be  #define AGEMARGE 25 /* Marge for agemin and agemax for(iage=agemin-AGEMARGE; iage <= agemax+3+AGEMARGE; iage++) */
      included manually here.  #define AGEBASE 40
   #define AGEOVERFLOW 1.e20
      */  #define AGEGOMP 10 /**< Minimal age for Gompertz adjustment */
   #ifdef _WIN32
   int i, j, d, h, k;  #define DIRSEPARATOR '\\'
   double **out, cov[NCOVMAX];  #define CHARSEPARATOR "\\"
   double **newm;  #define ODIRSEPARATOR '/'
   #else
   /* Hstepm could be zero and should return the unit matrix */  #define DIRSEPARATOR '/'
   for (i=1;i<=nlstate+ndeath;i++)  #define CHARSEPARATOR "/"
     for (j=1;j<=nlstate+ndeath;j++){  #define ODIRSEPARATOR '\\'
       oldm[i][j]=(i==j ? 1.0 : 0.0);  #endif
       po[i][j][0]=(i==j ? 1.0 : 0.0);  
     }  /* $Id$ */
   /* Even if hstepm = 1, at least one multiplication by the unit matrix */  /* $State$ */
   for(h=1; h <=nhstepm; h++){  #include "version.h"
     for(d=1; d <=hstepm; d++){  char version[]=__IMACH_VERSION__;
       newm=savm;  char copyright[]="October 2015,INED-EUROREVES-Institut de longevite-Japan Society for the Promotion of Science (Grant-in-Aid for Scientific Research 25293121), Intel Software 2015";
       /* Covariates have to be included here again */  char fullversion[]="$Revision$ $Date$"; 
       cov[1]=1.;  char strstart[80];
       cov[2]=age+((h-1)*hstepm + (d-1))*stepm/YEARM;  char optionfilext[10], optionfilefiname[FILENAMELENGTH];
       for (k=1; k<=cptcovn;k++) cov[2+k]=nbcode[Tvar[k]][codtab[ij][Tvar[k]]];  int erreur=0, nberr=0, nbwarn=0; /* Error number, number of errors number of warnings  */
       for (k=1; k<=cptcovage;k++)  int nagesqr=0, nforce=0; /* nagesqr=1 if model is including age*age, number of forces */
         cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];  /* Number of covariates model=V2+V1+ V3*age+V2*V4 */
       for (k=1; k<=cptcovprod;k++)  int cptcovn=0; /**< cptcovn number of covariates added in the model (excepting constant and age and age*product) */
         cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];  int cptcovt=0; /**< cptcovt number of covariates added in the model (excepting constant and age) */
   int cptcovs=0; /**< cptcovs number of simple covariates V2+V1 =2 */
   int cptcovage=0; /**< Number of covariates with age: V3*age only =1 */
       /*printf("hxi cptcov=%d cptcode=%d\n",cptcov,cptcode);*/  int cptcovprodnoage=0; /**< Number of covariate products without age */   
       /*printf("h=%d d=%d age=%f cov=%f\n",h,d,age,cov[2]);*/  int cptcoveff=0; /* Total number of covariates to vary for printing results */
       out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath,  int cptcov=0; /* Working variable */
                    pmij(pmmij,cov,ncovmodel,x,nlstate));  int ncovcombmax=NCOVMAX; /* Maximum calculated number of covariate combination = pow(2, cptcoveff) */
       savm=oldm;  int npar=NPARMAX;
       oldm=newm;  int nlstate=2; /* Number of live states */
     }  int ndeath=1; /* Number of dead states */
     for(i=1; i<=nlstate+ndeath; i++)  int ncovmodel=0, ncovcol=0;     /* Total number of covariables including constant a12*1 +b12*x ncovmodel=2 */
       for(j=1;j<=nlstate+ndeath;j++) {  int popbased=0;
         po[i][j][h]=newm[i][j];  
         /*printf("i=%d j=%d h=%d po[i][j][h]=%f ",i,j,h,po[i][j][h]);  int *wav; /* Number of waves for this individuual 0 is possible */
          */  int maxwav=0; /* Maxim number of waves */
       }  int jmin=0, jmax=0; /* min, max spacing between 2 waves */
   } /* end h */  int ijmin=0, ijmax=0; /* Individuals having jmin and jmax */ 
   return po;  int gipmx=0, gsw=0; /* Global variables on the number of contributions 
 }                     to the likelihood and the sum of weights (done by funcone)*/
   int mle=1, weightopt=0;
   int **mw; /* mw[mi][i] is number of the mi wave for this individual */
 /*************** log-likelihood *************/  int **dh; /* dh[mi][i] is number of steps between mi,mi+1 for this individual */
 double func( double *x)  int **bh; /* bh[mi][i] is the bias (+ or -) for this individual if the delay between
 {             * wave mi and wave mi+1 is not an exact multiple of stepm. */
   int i, ii, j, k, mi, d, kk;  int countcallfunc=0;  /* Count the number of calls to func */
   double l, ll[NLSTATEMAX], cov[NCOVMAX];  double jmean=1; /* Mean space between 2 waves */
   double **out;  double **matprod2(); /* test */
   double sw; /* Sum of weights */  double **oldm, **newm, **savm; /* Working pointers to matrices */
   double lli; /* Individual log likelihood */  double **oldms, **newms, **savms; /* Fixed working pointers to matrices */
   long ipmx;  double   **ddnewms, **ddoldms, **ddsavms; /* for freeing later */
   /*extern weight */  
   /* We are differentiating ll according to initial status */  /*FILE *fic ; */ /* Used in readdata only */
   /*  for (i=1;i<=npar;i++) printf("%f ", x[i]);*/  FILE *ficpar, *ficparo,*ficres, *ficresp, *ficresphtm, *ficresphtmfr, *ficrespl, *ficresplb,*ficrespij, *ficrespijb, *ficrest,*ficresf, *ficresfb,*ficrespop;
   /*for(i=1;i<imx;i++)  FILE *ficlog, *ficrespow;
     printf(" %d\n",s[4][i]);  int globpr=0; /* Global variable for printing or not */
   */  double fretone; /* Only one call to likelihood */
   cov[1]=1.;  long ipmx=0; /* Number of contributions */
   double sw; /* Sum of weights */
   for(k=1; k<=nlstate; k++) ll[k]=0.;  char filerespow[FILENAMELENGTH];
   for (i=1,ipmx=0, sw=0.; i<=imx; i++){  char fileresilk[FILENAMELENGTH]; /* File of individual contributions to the likelihood */
     for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];  FILE *ficresilk;
     for(mi=1; mi<= wav[i]-1; mi++){  FILE *ficgp,*ficresprob,*ficpop, *ficresprobcov, *ficresprobcor;
       for (ii=1;ii<=nlstate+ndeath;ii++)  FILE *ficresprobmorprev;
         for (j=1;j<=nlstate+ndeath;j++) oldm[ii][j]=(ii==j ? 1.0 : 0.0);  FILE *fichtm, *fichtmcov; /* Html File */
       for(d=0; d<dh[mi][i]; d++){  FILE *ficreseij;
         newm=savm;  char filerese[FILENAMELENGTH];
         cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;  FILE *ficresstdeij;
         for (kk=1; kk<=cptcovage;kk++) {  char fileresstde[FILENAMELENGTH];
           cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];  FILE *ficrescveij;
         }  char filerescve[FILENAMELENGTH];
          FILE  *ficresvij;
         out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,  char fileresv[FILENAMELENGTH];
                      1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));  FILE  *ficresvpl;
         savm=oldm;  char fileresvpl[FILENAMELENGTH];
         oldm=newm;  char title[MAXLINE];
          char optionfile[FILENAMELENGTH], datafile[FILENAMELENGTH],  filerespl[FILENAMELENGTH],  fileresplb[FILENAMELENGTH];
          char plotcmd[FILENAMELENGTH], pplotcmd[FILENAMELENGTH];
       } /* end mult */  char tmpout[FILENAMELENGTH],  tmpout2[FILENAMELENGTH]; 
        char command[FILENAMELENGTH];
       lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);  int  outcmd=0;
       /* printf(" %f ",out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);*/  
       ipmx +=1;  char fileres[FILENAMELENGTH], filerespij[FILENAMELENGTH], filerespijb[FILENAMELENGTH], filereso[FILENAMELENGTH], rfileres[FILENAMELENGTH];
       sw += weight[i];  char fileresu[FILENAMELENGTH]; /* fileres without r in front */
       ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;  char filelog[FILENAMELENGTH]; /* Log file */
     } /* end of wave */  char filerest[FILENAMELENGTH];
   } /* end of individual */  char fileregp[FILENAMELENGTH];
   char popfile[FILENAMELENGTH];
   for(k=1,l=0.; k<=nlstate; k++) l += ll[k];  
   /* printf("l1=%f l2=%f ",ll[1],ll[2]); */  char optionfilegnuplot[FILENAMELENGTH], optionfilehtm[FILENAMELENGTH], optionfilehtmcov[FILENAMELENGTH] ;
   l= l*ipmx/sw; /* To get the same order of magnitude as if weight=1 for every body */  
   return -l;  /* struct timeval start_time, end_time, curr_time, last_time, forecast_time; */
 }  /* struct timezone tzp; */
   /* extern int gettimeofday(); */
   struct tm tml, *gmtime(), *localtime();
 /*********** Maximum Likelihood Estimation ***************/  
   extern time_t time();
 void mlikeli(FILE *ficres,double p[], int npar, int ncovmodel, int nlstate, double ftol, double (*func)(double []))  
 {  struct tm start_time, end_time, curr_time, last_time, forecast_time;
   int i,j, iter;  time_t  rstart_time, rend_time, rcurr_time, rlast_time, rforecast_time; /* raw time */
   double **xi,*delti;  struct tm tm;
   double fret;  
   xi=matrix(1,npar,1,npar);  char strcurr[80], strfor[80];
   for (i=1;i<=npar;i++)  
     for (j=1;j<=npar;j++)  char *endptr;
       xi[i][j]=(i==j ? 1.0 : 0.0);  long lval;
   printf("Powell\n");  double dval;
   powell(p,xi,npar,ftol,&iter,&fret,func);  
   #define NR_END 1
    printf("\n#Number of iterations = %d, -2 Log likelihood = %.12f\n",iter,func(p));  #define FREE_ARG char*
   fprintf(ficres,"#Number of iterations = %d, -2 Log likelihood = %.12f \n",iter,func(p));  #define FTOL 1.0e-10
   
 }  #define NRANSI 
   #define ITMAX 200 
 /**** Computes Hessian and covariance matrix ***/  
 void hesscov(double **matcov, double p[], int npar, double delti[], double ftolhess, double (*func)(double []))  #define TOL 2.0e-4 
 {  
   double  **a,**y,*x,pd;  #define CGOLD 0.3819660 
   double **hess;  #define ZEPS 1.0e-10 
   int i, j,jk;  #define SHFT(a,b,c,d) (a)=(b);(b)=(c);(c)=(d); 
   int *indx;  
   #define GOLD 1.618034 
   double hessii(double p[], double delta, int theta, double delti[]);  #define GLIMIT 100.0 
   double hessij(double p[], double delti[], int i, int j);  #define TINY 1.0e-20 
   void lubksb(double **a, int npar, int *indx, double b[]) ;  
   void ludcmp(double **a, int npar, int *indx, double *d) ;  static double maxarg1,maxarg2;
   #define FMAX(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)>(maxarg2)? (maxarg1):(maxarg2))
   hess=matrix(1,npar,1,npar);  #define FMIN(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)<(maxarg2)? (maxarg1):(maxarg2))
     
   printf("\nCalculation of the hessian matrix. Wait...\n");  #define SIGN(a,b) ((b)>0.0 ? fabs(a) : -fabs(a))
   for (i=1;i<=npar;i++){  #define rint(a) floor(a+0.5)
     printf("%d",i);fflush(stdout);  /* http://www.thphys.uni-heidelberg.de/~robbers/cmbeasy/doc/html/myutils_8h-source.html */
     hess[i][i]=hessii(p,ftolhess,i,delti);  #define mytinydouble 1.0e-16
     /*printf(" %f ",p[i]);*/  /* #define DEQUAL(a,b) (fabs((a)-(b))<mytinydouble) */
     /*printf(" %lf ",hess[i][i]);*/  /* http://www.thphys.uni-heidelberg.de/~robbers/cmbeasy/doc/html/mynrutils_8h-source.html */
   }  /* static double dsqrarg; */
    /* #define DSQR(a) (DEQUAL((dsqrarg=(a)),0.0) ? 0.0 : dsqrarg*dsqrarg) */
   for (i=1;i<=npar;i++) {  static double sqrarg;
     for (j=1;j<=npar;j++)  {  #define SQR(a) ((sqrarg=(a)) == 0.0 ? 0.0 :sqrarg*sqrarg)
       if (j>i) {  #define SWAP(a,b) {temp=(a);(a)=(b);(b)=temp;} 
         printf(".%d%d",i,j);fflush(stdout);  int agegomp= AGEGOMP;
         hess[i][j]=hessij(p,delti,i,j);  
         hess[j][i]=hess[i][j];      int imx; 
         /*printf(" %lf ",hess[i][j]);*/  int stepm=1;
       }  /* Stepm, step in month: minimum step interpolation*/
     }  
   }  int estepm;
   printf("\n");  /* Estepm, step in month to interpolate survival function in order to approximate Life Expectancy*/
   
   printf("\nInverting the hessian to get the covariance matrix. Wait...\n");  int m,nb;
    long *num;
   a=matrix(1,npar,1,npar);  int firstpass=0, lastpass=4,*cod, *cens;
   y=matrix(1,npar,1,npar);  int *ncodemax;  /* ncodemax[j]= Number of modalities of the j th
   x=vector(1,npar);                     covariate for which somebody answered excluding 
   indx=ivector(1,npar);                     undefined. Usually 2: 0 and 1. */
   for (i=1;i<=npar;i++)  int *ncodemaxwundef;  /* ncodemax[j]= Number of modalities of the j th
     for (j=1;j<=npar;j++) a[i][j]=hess[i][j];                               covariate for which somebody answered including 
   ludcmp(a,npar,indx,&pd);                               undefined. Usually 3: -1, 0 and 1. */
   double **agev,*moisnais, *annais, *moisdc, *andc,**mint, **anint;
   for (j=1;j<=npar;j++) {  double **pmmij, ***probs; /* Global pointer */
     for (i=1;i<=npar;i++) x[i]=0;  double ***mobaverage; /* New global variable */
     x[j]=1;  double *ageexmed,*agecens;
     lubksb(a,npar,indx,x);  double dateintmean=0;
     for (i=1;i<=npar;i++){  
       matcov[i][j]=x[i];  double *weight;
     }  int **s; /* Status */
   }  double *agedc;
   double  **covar; /**< covar[j,i], value of jth covariate for individual i,
   printf("\n#Hessian matrix#\n");                    * covar=matrix(0,NCOVMAX,1,n); 
   for (i=1;i<=npar;i++) {                    * cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*age; */
     for (j=1;j<=npar;j++) {  double  idx; 
       printf("%.3e ",hess[i][j]);  int **nbcode, *Tvar; /**< model=V2 => Tvar[1]= 2 */
     }  int *Tage;
     printf("\n");  int *Ndum; /** Freq of modality (tricode */
   }  /* int **codtab;*/ /**< codtab=imatrix(1,100,1,10); */
   int **Tvard, *Tprod, cptcovprod, *Tvaraff;
   /* Recompute Inverse */  double *lsurv, *lpop, *tpop;
   for (i=1;i<=npar;i++)  
     for (j=1;j<=npar;j++) a[i][j]=matcov[i][j];  double ftol=FTOL; /**< Tolerance for computing Max Likelihood */
   ludcmp(a,npar,indx,&pd);  double ftolhess; /**< Tolerance for computing hessian */
   
   /*  printf("\n#Hessian matrix recomputed#\n");  /**************** split *************************/
   static  int split( char *path, char *dirc, char *name, char *ext, char *finame )
   for (j=1;j<=npar;j++) {  {
     for (i=1;i<=npar;i++) x[i]=0;    /* From a file name with (full) path (either Unix or Windows) we extract the directory (dirc)
     x[j]=1;       the name of the file (name), its extension only (ext) and its first part of the name (finame)
     lubksb(a,npar,indx,x);    */ 
     for (i=1;i<=npar;i++){    char  *ss;                            /* pointer */
       y[i][j]=x[i];    int   l1=0, l2=0;                             /* length counters */
       printf("%.3e ",y[i][j]);  
     }    l1 = strlen(path );                   /* length of path */
     printf("\n");    if ( l1 == 0 ) return( GLOCK_ERROR_NOPATH );
   }    ss= strrchr( path, DIRSEPARATOR );            /* find last / */
   */    if ( ss == NULL ) {                   /* no directory, so determine current directory */
       strcpy( name, path );               /* we got the fullname name because no directory */
   free_matrix(a,1,npar,1,npar);      /*if(strrchr(path, ODIRSEPARATOR )==NULL)
   free_matrix(y,1,npar,1,npar);        printf("Warning you should use %s as a separator\n",DIRSEPARATOR);*/
   free_vector(x,1,npar);      /* get current working directory */
   free_ivector(indx,1,npar);      /*    extern  char* getcwd ( char *buf , int len);*/
   free_matrix(hess,1,npar,1,npar);  #ifdef WIN32
       if (_getcwd( dirc, FILENAME_MAX ) == NULL ) {
   #else
 }          if (getcwd(dirc, FILENAME_MAX) == NULL) {
   #endif
 /*************** hessian matrix ****************/        return( GLOCK_ERROR_GETCWD );
 double hessii( double x[], double delta, int theta, double delti[])      }
 {      /* got dirc from getcwd*/
   int i;      printf(" DIRC = %s \n",dirc);
   int l=1, lmax=20;    } else {                              /* strip directory from path */
   double k1,k2;      ss++;                               /* after this, the filename */
   double p2[NPARMAX+1];      l2 = strlen( ss );                  /* length of filename */
   double res;      if ( l2 == 0 ) return( GLOCK_ERROR_NOPATH );
   double delt, delts, nkhi=10.,nkhif=1., khi=1.e-4;      strcpy( name, ss );         /* save file name */
   double fx;      strncpy( dirc, path, l1 - l2 );     /* now the directory */
   int k=0,kmax=10;      dirc[l1-l2] = '\0';                 /* add zero */
   double l1;      printf(" DIRC2 = %s \n",dirc);
     }
   fx=func(x);    /* We add a separator at the end of dirc if not exists */
   for (i=1;i<=npar;i++) p2[i]=x[i];    l1 = strlen( dirc );                  /* length of directory */
   for(l=0 ; l <=lmax; l++){    if( dirc[l1-1] != DIRSEPARATOR ){
     l1=pow(10,l);      dirc[l1] =  DIRSEPARATOR;
     delts=delt;      dirc[l1+1] = 0; 
     for(k=1 ; k <kmax; k=k+1){      printf(" DIRC3 = %s \n",dirc);
       delt = delta*(l1*k);    }
       p2[theta]=x[theta] +delt;    ss = strrchr( name, '.' );            /* find last / */
       k1=func(p2)-fx;    if (ss >0){
       p2[theta]=x[theta]-delt;      ss++;
       k2=func(p2)-fx;      strcpy(ext,ss);                     /* save extension */
       /*res= (k1-2.0*fx+k2)/delt/delt; */      l1= strlen( name);
       res= (k1+k2)/delt/delt/2.; /* Divided by because L and not 2*L */      l2= strlen(ss)+1;
            strncpy( finame, name, l1-l2);
 #ifdef DEBUG      finame[l1-l2]= 0;
       printf("%d %d k1=%.12e k2=%.12e xk1=%.12e xk2=%.12e delt=%.12e res=%.12e l=%d k=%d,fx=%.12e\n",theta,theta,k1,k2,x[theta]+delt,x[theta]-delt,delt,res, l, k,fx);    }
 #endif  
       /*if(fabs(k1-2.0*fx+k2) <1.e-13){ */    return( 0 );                          /* we're done */
       if((k1 <khi/nkhi/2.) || (k2 <khi/nkhi/2.)){  }
         k=kmax;  
       }  
       else if((k1 >khi/nkhif) || (k2 >khi/nkhif)){ /* Keeps lastvalue before 3.84/2 KHI2 5% 1d.f. */  /******************************************/
         k=kmax; l=lmax*10.;  
       }  void replace_back_to_slash(char *s, char*t)
       else if((k1 >khi/nkhi) || (k2 >khi/nkhi)){  {
         delts=delt;    int i;
       }    int lg=0;
     }    i=0;
   }    lg=strlen(t);
   delti[theta]=delts;    for(i=0; i<= lg; i++) {
   return res;      (s[i] = t[i]);
        if (t[i]== '\\') s[i]='/';
 }    }
   }
 double hessij( double x[], double delti[], int thetai,int thetaj)  
 {  char *trimbb(char *out, char *in)
   int i;  { /* Trim multiple blanks in line but keeps first blanks if line starts with blanks */
   int l=1, l1, lmax=20;    char *s;
   double k1,k2,k3,k4,res,fx;    s=out;
   double p2[NPARMAX+1];    while (*in != '\0'){
   int k;      while( *in == ' ' && *(in+1) == ' '){ /* && *(in+1) != '\0'){*/
         in++;
   fx=func(x);      }
   for (k=1; k<=2; k++) {      *out++ = *in++;
     for (i=1;i<=npar;i++) p2[i]=x[i];    }
     p2[thetai]=x[thetai]+delti[thetai]/k;    *out='\0';
     p2[thetaj]=x[thetaj]+delti[thetaj]/k;    return s;
     k1=func(p2)-fx;  }
    
     p2[thetai]=x[thetai]+delti[thetai]/k;  /* char *substrchaine(char *out, char *in, char *chain) */
     p2[thetaj]=x[thetaj]-delti[thetaj]/k;  /* { */
     k2=func(p2)-fx;  /*   /\* Substract chain 'chain' from 'in', return and output 'out' *\/ */
    /*   char *s, *t; */
     p2[thetai]=x[thetai]-delti[thetai]/k;  /*   t=in;s=out; */
     p2[thetaj]=x[thetaj]+delti[thetaj]/k;  /*   while ((*in != *chain) && (*in != '\0')){ */
     k3=func(p2)-fx;  /*     *out++ = *in++; */
    /*   } */
     p2[thetai]=x[thetai]-delti[thetai]/k;  
     p2[thetaj]=x[thetaj]-delti[thetaj]/k;  /*   /\* *in matches *chain *\/ */
     k4=func(p2)-fx;  /*   while ((*in++ == *chain++) && (*in != '\0')){ */
     res=(k1-k2-k3+k4)/4.0/delti[thetai]*k/delti[thetaj]*k/2.; /* Because of L not 2*L */  /*     printf("*in = %c, *out= %c *chain= %c \n", *in, *out, *chain);  */
 #ifdef DEBUG  /*   } */
     printf("%d %d k=%d, k1=%.12e k2=%.12e k3=%.12e k4=%.12e delti/k=%.12e deltj/k=%.12e, xi-de/k=%.12e xj-de/k=%.12e  res=%.12e k1234=%.12e,k1-2=%.12e,k3-4=%.12e\n",thetai,thetaj,k,k1,k2,k3,k4,delti[thetai]/k,delti[thetaj]/k,x[thetai]-delti[thetai]/k,x[thetaj]-delti[thetaj]/k, res,k1-k2-k3+k4,k1-k2,k3-k4);  /*   in--; chain--; */
 #endif  /*   while ( (*in != '\0')){ */
   }  /*     printf("Bef *in = %c, *out= %c *chain= %c \n", *in, *out, *chain);  */
   return res;  /*     *out++ = *in++; */
 }  /*     printf("Aft *in = %c, *out= %c *chain= %c \n", *in, *out, *chain);  */
   /*   } */
 /************** Inverse of matrix **************/  /*   *out='\0'; */
 void ludcmp(double **a, int n, int *indx, double *d)  /*   out=s; */
 {  /*   return out; */
   int i,imax,j,k;  /* } */
   double big,dum,sum,temp;  char *substrchaine(char *out, char *in, char *chain)
   double *vv;  {
      /* Substract chain 'chain' from 'in', return and output 'out' */
   vv=vector(1,n);    /* in="V1+V1*age+age*age+V2", chain="age*age" */
   *d=1.0;  
   for (i=1;i<=n;i++) {    char *strloc;
     big=0.0;  
     for (j=1;j<=n;j++)    strcpy (out, in); 
       if ((temp=fabs(a[i][j])) > big) big=temp;    strloc = strstr(out, chain); /* strloc points to out at age*age+V2 */
     if (big == 0.0) nrerror("Singular matrix in routine ludcmp");    printf("Bef strloc=%s chain=%s out=%s \n", strloc, chain, out);
     vv[i]=1.0/big;    if(strloc != NULL){ 
   }      /* will affect out */ /* strloc+strlenc(chain)=+V2 */ /* Will also work in Unicode */
   for (j=1;j<=n;j++) {      memmove(strloc,strloc+strlen(chain), strlen(strloc+strlen(chain))+1);
     for (i=1;i<j;i++) {      /* strcpy (strloc, strloc +strlen(chain));*/
       sum=a[i][j];    }
       for (k=1;k<i;k++) sum -= a[i][k]*a[k][j];    printf("Aft strloc=%s chain=%s in=%s out=%s \n", strloc, chain, in, out);
       a[i][j]=sum;    return out;
     }  }
     big=0.0;  
     for (i=j;i<=n;i++) {  
       sum=a[i][j];  char *cutl(char *blocc, char *alocc, char *in, char occ)
       for (k=1;k<j;k++)  {
         sum -= a[i][k]*a[k][j];    /* cuts string in into blocc and alocc where blocc ends before FIRST occurence of char 'occ' 
       a[i][j]=sum;       and alocc starts after first occurence of char 'occ' : ex cutv(blocc,alocc,"abcdef2ghi2j",'2')
       if ( (dum=vv[i]*fabs(sum)) >= big) {       gives blocc="abcdef" and alocc="ghi2j".
         big=dum;       If occ is not found blocc is null and alocc is equal to in. Returns blocc
         imax=i;    */
       }    char *s, *t;
     }    t=in;s=in;
     if (j != imax) {    while ((*in != occ) && (*in != '\0')){
       for (k=1;k<=n;k++) {      *alocc++ = *in++;
         dum=a[imax][k];    }
         a[imax][k]=a[j][k];    if( *in == occ){
         a[j][k]=dum;      *(alocc)='\0';
       }      s=++in;
       *d = -(*d);    }
       vv[imax]=vv[j];   
     }    if (s == t) {/* occ not found */
     indx[j]=imax;      *(alocc-(in-s))='\0';
     if (a[j][j] == 0.0) a[j][j]=TINY;      in=s;
     if (j != n) {    }
       dum=1.0/(a[j][j]);    while ( *in != '\0'){
       for (i=j+1;i<=n;i++) a[i][j] *= dum;      *blocc++ = *in++;
     }    }
   }  
   free_vector(vv,1,n);  /* Doesn't work */    *blocc='\0';
 ;    return t;
 }  }
   char *cutv(char *blocc, char *alocc, char *in, char occ)
 void lubksb(double **a, int n, int *indx, double b[])  {
 {    /* cuts string in into blocc and alocc where blocc ends before LAST occurence of char 'occ' 
   int i,ii=0,ip,j;       and alocc starts after last occurence of char 'occ' : ex cutv(blocc,alocc,"abcdef2ghi2j",'2')
   double sum;       gives blocc="abcdef2ghi" and alocc="j".
         If occ is not found blocc is null and alocc is equal to in. Returns alocc
   for (i=1;i<=n;i++) {    */
     ip=indx[i];    char *s, *t;
     sum=b[ip];    t=in;s=in;
     b[ip]=b[i];    while (*in != '\0'){
     if (ii)      while( *in == occ){
       for (j=ii;j<=i-1;j++) sum -= a[i][j]*b[j];        *blocc++ = *in++;
     else if (sum) ii=i;        s=in;
     b[i]=sum;      }
   }      *blocc++ = *in++;
   for (i=n;i>=1;i--) {    }
     sum=b[i];    if (s == t) /* occ not found */
     for (j=i+1;j<=n;j++) sum -= a[i][j]*b[j];      *(blocc-(in-s))='\0';
     b[i]=sum/a[i][i];    else
   }      *(blocc-(in-s)-1)='\0';
 }    in=s;
     while ( *in != '\0'){
 /************ Frequencies ********************/      *alocc++ = *in++;
 void  freqsummary(char fileres[], int agemin, int agemax, int **s, double **agev, int nlstate, int imx, int *Tvar, int **nbcode, int *ncodemax,double **mint,double **anint, double dateprev1,double dateprev2,double jprev1, double mprev1,double anprev1,double jprev2, double mprev2,double anprev2)    }
 {  /* Some frequencies */  
      *alocc='\0';
   int i, m, jk, k1,i1, j1, bool, z1,z2,j;    return s;
   double ***freq; /* Frequencies */  }
   double *pp;  
   double pos, k2, dateintsum=0,k2cpt=0;  int nbocc(char *s, char occ)
   FILE *ficresp;  {
   char fileresp[FILENAMELENGTH];    int i,j=0;
      int lg=20;
   pp=vector(1,nlstate);    i=0;
   probs= ma3x(1,AGESUP,1,NCOVMAX, 1,NCOVMAX);    lg=strlen(s);
   strcpy(fileresp,"p");    for(i=0; i<= lg; i++) {
   strcat(fileresp,fileres);    if  (s[i] == occ ) j++;
   if((ficresp=fopen(fileresp,"w"))==NULL) {    }
     printf("Problem with prevalence resultfile: %s\n", fileresp);    return j;
     exit(0);  }
   }  
   freq= ma3x(-1,nlstate+ndeath,-1,nlstate+ndeath,agemin,agemax+3);  /* void cutv(char *u,char *v, char*t, char occ) */
   j1=0;  /* { */
   /*   /\* cuts string t into u and v where u ends before last occurence of char 'occ'  */
   j=cptcoveff;  /*      and v starts after last occurence of char 'occ' : ex cutv(u,v,"abcdef2ghi2j",'2') */
   if (cptcovn<1) {j=1;ncodemax[1]=1;}  /*      gives u="abcdef2ghi" and v="j" *\/ */
   /*   int i,lg,j,p=0; */
   for(k1=1; k1<=j;k1++){  /*   i=0; */
    for(i1=1; i1<=ncodemax[k1];i1++){  /*   lg=strlen(t); */
        j1++;  /*   for(j=0; j<=lg-1; j++) { */
        /*printf("cptcoveff=%d Tvaraff=%d", cptcoveff,Tvaraff[1]);  /*     if((t[j]!= occ) && (t[j+1]== occ)) p=j+1; */
          scanf("%d", i);*/  /*   } */
         for (i=-1; i<=nlstate+ndeath; i++)    
          for (jk=-1; jk<=nlstate+ndeath; jk++)    /*   for(j=0; j<p; j++) { */
            for(m=agemin; m <= agemax+3; m++)  /*     (u[j] = t[j]); */
              freq[i][jk][m]=0;  /*   } */
   /*      u[p]='\0'; */
         dateintsum=0;  
         k2cpt=0;  /*    for(j=0; j<= lg; j++) { */
        for (i=1; i<=imx; i++) {  /*     if (j>=(p+1))(v[j-p-1] = t[j]); */
          bool=1;  /*   } */
          if  (cptcovn>0) {  /* } */
            for (z1=1; z1<=cptcoveff; z1++)  
              if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtab[j1][z1]])  #ifdef _WIN32
                bool=0;  char * strsep(char **pp, const char *delim)
          }  {
          if (bool==1) {    char *p, *q;
            for(m=firstpass; m<=lastpass; m++){           
              k2=anint[m][i]+(mint[m][i]/12.);    if ((p = *pp) == NULL)
              if ((k2>=dateprev1) && (k2<=dateprev2)) {      return 0;
                if(agev[m][i]==0) agev[m][i]=agemax+1;    if ((q = strpbrk (p, delim)) != NULL)
                if(agev[m][i]==1) agev[m][i]=agemax+2;    {
                freq[s[m][i]][s[m+1][i]][(int)agev[m][i]] += weight[i];      *pp = q + 1;
                freq[s[m][i]][s[m+1][i]][(int) agemax+3] += weight[i];      *q = '\0';
                if ((agev[m][i]>1) && (agev[m][i]< (agemax+3))) {    }
                  dateintsum=dateintsum+k2;    else
                  k2cpt++;      *pp = 0;
                }    return p;
   }
              }  #endif
            }  
          }  /********************** nrerror ********************/
        }  
          void nrerror(char error_text[])
        fprintf(ficresp, "#Count between %.lf/%.lf/%.lf and %.lf/%.lf/%.lf\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2);  {
     fprintf(stderr,"ERREUR ...\n");
         if  (cptcovn>0) {    fprintf(stderr,"%s\n",error_text);
          fprintf(ficresp, "\n#********** Variable ");    exit(EXIT_FAILURE);
          for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresp, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);  }
        fprintf(ficresp, "**********\n#");  /*********************** vector *******************/
         }  double *vector(int nl, int nh)
        for(i=1; i<=nlstate;i++)  {
          fprintf(ficresp, " Age Prev(%d) N(%d) N",i,i);    double *v;
        fprintf(ficresp, "\n");    v=(double *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(double)));
            if (!v) nrerror("allocation failure in vector");
   for(i=(int)agemin; i <= (int)agemax+3; i++){    return v-nl+NR_END;
     if(i==(int)agemax+3)  }
       printf("Total");  
     else  /************************ free vector ******************/
       printf("Age %d", i);  void free_vector(double*v, int nl, int nh)
     for(jk=1; jk <=nlstate ; jk++){  {
       for(m=-1, pp[jk]=0; m <=nlstate+ndeath ; m++)    free((FREE_ARG)(v+nl-NR_END));
         pp[jk] += freq[jk][m][i];  }
     }  
     for(jk=1; jk <=nlstate ; jk++){  /************************ivector *******************************/
       for(m=-1, pos=0; m <=0 ; m++)  int *ivector(long nl,long nh)
         pos += freq[jk][m][i];  {
       if(pp[jk]>=1.e-10)    int *v;
         printf(" %d.=%.0f loss[%d]=%.1f%%",jk,pp[jk],jk,100*pos/pp[jk]);    v=(int *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(int)));
       else    if (!v) nrerror("allocation failure in ivector");
         printf(" %d.=%.0f loss[%d]=NaNQ%%",jk,pp[jk],jk);    return v-nl+NR_END;
     }  }
   
      for(jk=1; jk <=nlstate ; jk++){  /******************free ivector **************************/
       for(m=0, pp[jk]=0; m <=nlstate+ndeath; m++)  void free_ivector(int *v, long nl, long nh)
         pp[jk] += freq[jk][m][i];  {
      }    free((FREE_ARG)(v+nl-NR_END));
   }
     for(jk=1,pos=0; jk <=nlstate ; jk++)  
       pos += pp[jk];  /************************lvector *******************************/
     for(jk=1; jk <=nlstate ; jk++){  long *lvector(long nl,long nh)
       if(pos>=1.e-5)  {
         printf(" %d.=%.0f prev[%d]=%.1f%%",jk,pp[jk],jk,100*pp[jk]/pos);    long *v;
       else    v=(long *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(long)));
         printf(" %d.=%.0f prev[%d]=NaNQ%%",jk,pp[jk],jk);    if (!v) nrerror("allocation failure in ivector");
       if( i <= (int) agemax){    return v-nl+NR_END;
         if(pos>=1.e-5){  }
           fprintf(ficresp," %d %.5f %.0f %.0f",i,pp[jk]/pos, pp[jk],pos);  
           probs[i][jk][j1]= pp[jk]/pos;  /******************free lvector **************************/
           /*printf("\ni=%d jk=%d j1=%d %.5f %.0f %.0f %f",i,jk,j1,pp[jk]/pos, pp[jk],pos,probs[i][jk][j1]);*/  void free_lvector(long *v, long nl, long nh)
         }  {
       else    free((FREE_ARG)(v+nl-NR_END));
           fprintf(ficresp," %d NaNq %.0f %.0f",i,pp[jk],pos);  }
       }  
     }  /******************* imatrix *******************************/
     for(jk=-1; jk <=nlstate+ndeath; jk++)  int **imatrix(long nrl, long nrh, long ncl, long nch) 
       for(m=-1; m <=nlstate+ndeath; m++)       /* allocate a int matrix with subscript range m[nrl..nrh][ncl..nch] */ 
         if(freq[jk][m][i] !=0 ) printf(" %d%d=%.0f",jk,m,freq[jk][m][i]);  { 
     if(i <= (int) agemax)    long i, nrow=nrh-nrl+1,ncol=nch-ncl+1; 
       fprintf(ficresp,"\n");    int **m; 
     printf("\n");    
     }    /* allocate pointers to rows */ 
     }    m=(int **) malloc((size_t)((nrow+NR_END)*sizeof(int*))); 
  }    if (!m) nrerror("allocation failure 1 in matrix()"); 
   dateintmean=dateintsum/k2cpt;    m += NR_END; 
      m -= nrl; 
   fclose(ficresp);    
   free_ma3x(freq,-1,nlstate+ndeath,-1,nlstate+ndeath,(int) agemin,(int) agemax+3);    
   free_vector(pp,1,nlstate);    /* allocate rows and set pointers to them */ 
     m[nrl]=(int *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(int))); 
   /* End of Freq */    if (!m[nrl]) nrerror("allocation failure 2 in matrix()"); 
 }    m[nrl] += NR_END; 
     m[nrl] -= ncl; 
 /************ Prevalence ********************/    
 void prevalence(int agemin, float agemax, int **s, double **agev, int nlstate, int imx, int *Tvar, int **nbcode, int *ncodemax,double **mint,double **anint, double dateprev1,double dateprev2, double calagedate)    for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol; 
 {  /* Some frequencies */    
      /* return pointer to array of pointers to rows */ 
   int i, m, jk, k1, i1, j1, bool, z1,z2,j;    return m; 
   double ***freq; /* Frequencies */  } 
   double *pp;  
   double pos, k2;  /****************** free_imatrix *************************/
   void free_imatrix(m,nrl,nrh,ncl,nch)
   pp=vector(1,nlstate);        int **m;
   probs= ma3x(1,AGESUP,1,NCOVMAX, 1,NCOVMAX);        long nch,ncl,nrh,nrl; 
         /* free an int matrix allocated by imatrix() */ 
   freq=ma3x(-1,nlstate+ndeath,-1,nlstate+ndeath,agemin,agemax+3);  { 
   j1=0;    free((FREE_ARG) (m[nrl]+ncl-NR_END)); 
      free((FREE_ARG) (m+nrl-NR_END)); 
   j=cptcoveff;  } 
   if (cptcovn<1) {j=1;ncodemax[1]=1;}  
    /******************* matrix *******************************/
  for(k1=1; k1<=j;k1++){  double **matrix(long nrl, long nrh, long ncl, long nch)
     for(i1=1; i1<=ncodemax[k1];i1++){  {
       j1++;    long i, nrow=nrh-nrl+1, ncol=nch-ncl+1;
      double **m;
       for (i=-1; i<=nlstate+ndeath; i++)    
         for (jk=-1; jk<=nlstate+ndeath; jk++)      m=(double **) malloc((size_t)((nrow+NR_END)*sizeof(double*)));
           for(m=agemin; m <= agemax+3; m++)    if (!m) nrerror("allocation failure 1 in matrix()");
             freq[i][jk][m]=0;    m += NR_END;
          m -= nrl;
       for (i=1; i<=imx; i++) {  
         bool=1;    m[nrl]=(double *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));
         if  (cptcovn>0) {    if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
           for (z1=1; z1<=cptcoveff; z1++)    m[nrl] += NR_END;
             if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtab[j1][z1]])    m[nrl] -= ncl;
               bool=0;  
         }    for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;
         if (bool==1) {    return m;
           for(m=firstpass; m<=lastpass; m++){    /* print *(*(m+1)+70) or print m[1][70]; print m+1 or print &(m[1]) or &(m[1][0])
             k2=anint[m][i]+(mint[m][i]/12.);  m[i] = address of ith row of the table. &(m[i]) is its value which is another adress
             if ((k2>=dateprev1) && (k2<=dateprev2)) {  that of m[i][0]. In order to get the value p m[i][0] but it is unitialized.
               if(agev[m][i]==0) agev[m][i]=agemax+1;     */
               if(agev[m][i]==1) agev[m][i]=agemax+2;  }
               freq[s[m][i]][s[m+1][i]][(int)(agev[m][i]+1-((int)calagedate %12)/12.)] += weight[i];  
               /* freq[s[m][i]][s[m+1][i]][(int)(agemax+3+1)] += weight[i];  */  /*************************free matrix ************************/
             }  void free_matrix(double **m, long nrl, long nrh, long ncl, long nch)
           }  {
         }    free((FREE_ARG)(m[nrl]+ncl-NR_END));
       }    free((FREE_ARG)(m+nrl-NR_END));
         for(i=(int)agemin; i <= (int)agemax+3; i++){  }
           for(jk=1; jk <=nlstate ; jk++){  
             for(m=-1, pp[jk]=0; m <=nlstate+ndeath ; m++)  /******************* ma3x *******************************/
               pp[jk] += freq[jk][m][i];  double ***ma3x(long nrl, long nrh, long ncl, long nch, long nll, long nlh)
           }  {
           for(jk=1; jk <=nlstate ; jk++){    long i, j, nrow=nrh-nrl+1, ncol=nch-ncl+1, nlay=nlh-nll+1;
             for(m=-1, pos=0; m <=0 ; m++)    double ***m;
             pos += freq[jk][m][i];  
         }    m=(double ***) malloc((size_t)((nrow+NR_END)*sizeof(double*)));
            if (!m) nrerror("allocation failure 1 in matrix()");
          for(jk=1; jk <=nlstate ; jk++){    m += NR_END;
            for(m=0, pp[jk]=0; m <=nlstate+ndeath; m++)    m -= nrl;
              pp[jk] += freq[jk][m][i];  
          }    m[nrl]=(double **) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));
              if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
          for(jk=1,pos=0; jk <=nlstate ; jk++) pos += pp[jk];    m[nrl] += NR_END;
     m[nrl] -= ncl;
          for(jk=1; jk <=nlstate ; jk++){            
            if( i <= (int) agemax){    for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;
              if(pos>=1.e-5){  
                probs[i][jk][j1]= pp[jk]/pos;    m[nrl][ncl]=(double *) malloc((size_t)((nrow*ncol*nlay+NR_END)*sizeof(double)));
              }    if (!m[nrl][ncl]) nrerror("allocation failure 3 in matrix()");
            }    m[nrl][ncl] += NR_END;
          }    m[nrl][ncl] -= nll;
              for (j=ncl+1; j<=nch; j++) 
         }      m[nrl][j]=m[nrl][j-1]+nlay;
     }    
   }    for (i=nrl+1; i<=nrh; i++) {
        m[i][ncl]=m[i-1l][ncl]+ncol*nlay;
        for (j=ncl+1; j<=nch; j++) 
   free_ma3x(freq,-1,nlstate+ndeath,-1,nlstate+ndeath,(int) agemin,(int) agemax+3);        m[i][j]=m[i][j-1]+nlay;
   free_vector(pp,1,nlstate);    }
      return m; 
 }  /* End of Freq */    /*  gdb: p *(m+1) <=> p m[1] and p (m+1) <=> p (m+1) <=> p &(m[1])
              &(m[i][j][k]) <=> *((*(m+i) + j)+k)
 /************* Waves Concatenation ***************/    */
   }
 void  concatwav(int wav[], int **dh, int **mw, int **s, double *agedc, double **agev, int  firstpass, int lastpass, int imx, int nlstate, int stepm)  
 {  /*************************free ma3x ************************/
   /* Concatenates waves: wav[i] is the number of effective (useful waves) of individual i.  void free_ma3x(double ***m, long nrl, long nrh, long ncl, long nch,long nll, long nlh)
      Death is a valid wave (if date is known).  {
      mw[mi][i] is the mi (mi=1 to wav[i])  effective wave of individual i    free((FREE_ARG)(m[nrl][ncl]+ nll-NR_END));
      dh[m][i] of dh[mw[mi][i][i] is the delay between two effective waves m=mw[mi][i]    free((FREE_ARG)(m[nrl]+ncl-NR_END));
      and mw[mi+1][i]. dh depends on stepm.    free((FREE_ARG)(m+nrl-NR_END));
      */  }
   
   int i, mi, m;  /*************** function subdirf ***********/
   /* int j, k=0,jk, ju, jl,jmin=1e+5, jmax=-1;  char *subdirf(char fileres[])
      double sum=0., jmean=0.;*/  {
     /* Caution optionfilefiname is hidden */
   int j, k=0,jk, ju, jl;    strcpy(tmpout,optionfilefiname);
   double sum=0.;    strcat(tmpout,"/"); /* Add to the right */
   jmin=1e+5;    strcat(tmpout,fileres);
   jmax=-1;    return tmpout;
   jmean=0.;  }
   for(i=1; i<=imx; i++){  
     mi=0;  /*************** function subdirf2 ***********/
     m=firstpass;  char *subdirf2(char fileres[], char *preop)
     while(s[m][i] <= nlstate){  {
       if(s[m][i]>=1)    
         mw[++mi][i]=m;    /* Caution optionfilefiname is hidden */
       if(m >=lastpass)    strcpy(tmpout,optionfilefiname);
         break;    strcat(tmpout,"/");
       else    strcat(tmpout,preop);
         m++;    strcat(tmpout,fileres);
     }/* end while */    return tmpout;
     if (s[m][i] > nlstate){  }
       mi++;     /* Death is another wave */  
       /* if(mi==0)  never been interviewed correctly before death */  /*************** function subdirf3 ***********/
          /* Only death is a correct wave */  char *subdirf3(char fileres[], char *preop, char *preop2)
       mw[mi][i]=m;  {
     }    
     /* Caution optionfilefiname is hidden */
     wav[i]=mi;    strcpy(tmpout,optionfilefiname);
     if(mi==0)    strcat(tmpout,"/");
       printf("Warning, no any valid information for:%d line=%d\n",num[i],i);    strcat(tmpout,preop);
   }    strcat(tmpout,preop2);
     strcat(tmpout,fileres);
   for(i=1; i<=imx; i++){    return tmpout;
     for(mi=1; mi<wav[i];mi++){  }
       if (stepm <=0)   
         dh[mi][i]=1;  /*************** function subdirfext ***********/
       else{  char *subdirfext(char fileres[], char *preop, char *postop)
         if (s[mw[mi+1][i]][i] > nlstate) {  {
           if (agedc[i] < 2*AGESUP) {    
           j= rint(agedc[i]*12-agev[mw[mi][i]][i]*12);    strcpy(tmpout,preop);
           if(j==0) j=1;  /* Survives at least one month after exam */    strcat(tmpout,fileres);
           k=k+1;    strcat(tmpout,postop);
           if (j >= jmax) jmax=j;    return tmpout;
           if (j <= jmin) jmin=j;  }
           sum=sum+j;  
           /* if (j<10) printf("j=%d num=%d ",j,i); */  /*************** function subdirfext3 ***********/
           }  char *subdirfext3(char fileres[], char *preop, char *postop)
         }  {
         else{    
           j= rint( (agev[mw[mi+1][i]][i]*12 - agev[mw[mi][i]][i]*12));    /* Caution optionfilefiname is hidden */
           k=k+1;    strcpy(tmpout,optionfilefiname);
           if (j >= jmax) jmax=j;    strcat(tmpout,"/");
           else if (j <= jmin)jmin=j;    strcat(tmpout,preop);
           /*   if (j<10) printf("j=%d jmin=%d num=%d ",j,jmin,i); */    strcat(tmpout,fileres);
           sum=sum+j;    strcat(tmpout,postop);
         }    return tmpout;
         jk= j/stepm;  }
         jl= j -jk*stepm;   
         ju= j -(jk+1)*stepm;  char *asc_diff_time(long time_sec, char ascdiff[])
         if(jl <= -ju)  {
           dh[mi][i]=jk;    long sec_left, days, hours, minutes;
         else    days = (time_sec) / (60*60*24);
           dh[mi][i]=jk+1;    sec_left = (time_sec) % (60*60*24);
         if(dh[mi][i]==0)    hours = (sec_left) / (60*60) ;
           dh[mi][i]=1; /* At least one step */    sec_left = (sec_left) %(60*60);
       }    minutes = (sec_left) /60;
     }    sec_left = (sec_left) % (60);
   }    sprintf(ascdiff,"%ld day(s) %ld hour(s) %ld minute(s) %ld second(s)",days, hours, minutes, sec_left);  
   jmean=sum/k;    return ascdiff;
   printf("Delay (in months) between two waves Min=%d Max=%d Mean=%f\n\n ",jmin, jmax,jmean);  }
  }  
 /*********** Tricode ****************************/  /***************** f1dim *************************/
 void tricode(int *Tvar, int **nbcode, int imx)  extern int ncom; 
 {  extern double *pcom,*xicom;
   int Ndum[20],ij=1, k, j, i;  extern double (*nrfunc)(double []); 
   int cptcode=0;   
   cptcoveff=0;  double f1dim(double x) 
    { 
   for (k=0; k<19; k++) Ndum[k]=0;    int j; 
   for (k=1; k<=7; k++) ncodemax[k]=0;    double f;
     double *xt; 
   for (j=1; j<=(cptcovn+2*cptcovprod); j++) {   
     for (i=1; i<=imx; i++) {    xt=vector(1,ncom); 
       ij=(int)(covar[Tvar[j]][i]);    for (j=1;j<=ncom;j++) xt[j]=pcom[j]+x*xicom[j]; 
       Ndum[ij]++;    f=(*nrfunc)(xt); 
       /*printf("i=%d ij=%d Ndum[ij]=%d imx=%d",i,ij,Ndum[ij],imx);*/    free_vector(xt,1,ncom); 
       if (ij > cptcode) cptcode=ij;    return f; 
     }  } 
   
     for (i=0; i<=cptcode; i++) {  /*****************brent *************************/
       if(Ndum[i]!=0) ncodemax[j]++;  double brent(double ax, double bx, double cx, double (*f)(double), double tol,  double *xmin) 
     }  {
     ij=1;    /* Given a function f, and given a bracketing triplet of abscissas ax, bx, cx (such that bx is
      * between ax and cx, and f(bx) is less than both f(ax) and f(cx) ), this routine isolates
      * the minimum to a fractional precision of about tol using Brent’s method. The abscissa of
     for (i=1; i<=ncodemax[j]; i++) {     * the minimum is returned as xmin, and the minimum function value is returned as brent , the
       for (k=0; k<=19; k++) {     * returned function value. 
         if (Ndum[k] != 0) {    */
           nbcode[Tvar[j]][ij]=k;    int iter; 
           ij++;    double a,b,d,etemp;
         }    double fu=0,fv,fw,fx;
         if (ij > ncodemax[j]) break;    double ftemp=0.;
       }      double p,q,r,tol1,tol2,u,v,w,x,xm; 
     }    double e=0.0; 
   }     
     a=(ax < cx ? ax : cx); 
  for (k=0; k<19; k++) Ndum[k]=0;    b=(ax > cx ? ax : cx); 
     x=w=v=bx; 
  for (i=1; i<=ncovmodel-2; i++) {    fw=fv=fx=(*f)(x); 
       ij=Tvar[i];    for (iter=1;iter<=ITMAX;iter++) { 
       Ndum[ij]++;      xm=0.5*(a+b); 
     }      tol2=2.0*(tol1=tol*fabs(x)+ZEPS); 
       /*          if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret)))*/
  ij=1;      printf(".");fflush(stdout);
  for (i=1; i<=10; i++) {      fprintf(ficlog,".");fflush(ficlog);
    if((Ndum[i]!=0) && (i<=ncov)){  #ifdef DEBUGBRENT
      Tvaraff[ij]=i;      printf("br %d,x=%.10e xm=%.10e b=%.10e a=%.10e tol=%.10e tol1=%.10e tol2=%.10e x-xm=%.10e fx=%.12e fu=%.12e,fw=%.12e,ftemp=%.12e,ftol=%.12e\n",iter,x,xm,b,a,tol,tol1,tol2,(x-xm),fx,fu,fw,ftemp,ftol);
      ij++;      fprintf(ficlog,"br %d,x=%.10e xm=%.10e b=%.10e a=%.10e tol=%.10e tol1=%.10e tol2=%.10e x-xm=%.10e fx=%.12e fu=%.12e,fw=%.12e,ftemp=%.12e,ftol=%.12e\n",iter,x,xm,b,a,tol,tol1,tol2,(x-xm),fx,fu,fw,ftemp,ftol);
    }      /*          if ((fabs(x-xm) <= (tol2-0.5*(b-a)))||(2.0*fabs(fu-ftemp) <= ftol*1.e-2*(fabs(fu)+fabs(ftemp)))) { */
  }  #endif
        if (fabs(x-xm) <= (tol2-0.5*(b-a))){ 
     cptcoveff=ij-1;        *xmin=x; 
 }        return fx; 
       } 
 /*********** Health Expectancies ****************/      ftemp=fu;
       if (fabs(e) > tol1) { 
 void evsij(char fileres[], double ***eij, double x[], int nlstate, int stepm, int bage, int fage, double **oldm, double **savm, int ij)        r=(x-w)*(fx-fv); 
 {        q=(x-v)*(fx-fw); 
   /* Health expectancies */        p=(x-v)*q-(x-w)*r; 
   int i, j, nhstepm, hstepm, h;        q=2.0*(q-r); 
   double age, agelim,hf;        if (q > 0.0) p = -p; 
   double ***p3mat;        q=fabs(q); 
          etemp=e; 
   fprintf(ficreseij,"# Health expectancies\n");        e=d; 
   fprintf(ficreseij,"# Age");        if (fabs(p) >= fabs(0.5*q*etemp) || p <= q*(a-x) || p >= q*(b-x)) 
   for(i=1; i<=nlstate;i++)          d=CGOLD*(e=(x >= xm ? a-x : b-x)); 
     for(j=1; j<=nlstate;j++)        else { 
       fprintf(ficreseij," %1d-%1d",i,j);          d=p/q; 
   fprintf(ficreseij,"\n");          u=x+d; 
           if (u-a < tol2 || b-u < tol2) 
   hstepm=1*YEARM; /*  Every j years of age (in month) */            d=SIGN(tol1,xm-x); 
   hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */        } 
       } else { 
   agelim=AGESUP;        d=CGOLD*(e=(x >= xm ? a-x : b-x)); 
   for (age=bage; age<=fage; age ++){ /* If stepm=6 months */      } 
     /* nhstepm age range expressed in number of stepm */      u=(fabs(d) >= tol1 ? x+d : x+SIGN(tol1,d)); 
     nhstepm=(int) rint((agelim-age)*YEARM/stepm);      fu=(*f)(u); 
     /* Typically if 20 years = 20*12/6=40 stepm */      if (fu <= fx) { 
     if (stepm >= YEARM) hstepm=1;        if (u >= x) a=x; else b=x; 
     nhstepm = nhstepm/hstepm;/* Expressed in hstepm, typically 40/4=10 */        SHFT(v,w,x,u) 
     p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);        SHFT(fv,fw,fx,fu) 
     /* Computed by stepm unit matrices, product of hstepm matrices, stored      } else { 
        in an array of nhstepm length: nhstepm=10, hstepm=4, stepm=6 months */        if (u < x) a=u; else b=u; 
     hpxij(p3mat,nhstepm,age,hstepm,x,nlstate,stepm,oldm, savm, ij);          if (fu <= fw || w == x) { 
           v=w; 
           w=u; 
     for(i=1; i<=nlstate;i++)          fv=fw; 
       for(j=1; j<=nlstate;j++)          fw=fu; 
         for (h=0, eij[i][j][(int)age]=0; h<=nhstepm-1; h++){        } else if (fu <= fv || v == x || v == w) { 
           eij[i][j][(int)age] +=(p3mat[i][j][h]+p3mat[i][j][h+1])/2.0;          v=u; 
         }          fv=fu; 
            } 
     hf=1;      } 
     if (stepm >= YEARM) hf=stepm/YEARM;    } 
     nrerror("Too many iterations in brent"); 
     for(i=1; i<=nlstate;i++)    *xmin=x; 
       for(j=1; j<=nlstate;j++){    return fx; 
         if (j==i) eij[i][j][(int)age]= (eij[i][j][(int)age]-0.5*stepm/12./hf);  } 
         }  
   /****************** mnbrak ***********************/
     fprintf(ficreseij,"%3.0f",age );  
     for(i=1; i<=nlstate;i++)  void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb, double *fc, 
       for(j=1; j<=nlstate;j++){              double (*func)(double)) 
         fprintf(ficreseij," %9.4f", hf*eij[i][j][(int)age]);  { /* Given a function func , and given distinct initial points ax and bx , this routine searches in
       }  the downhill direction (defined by the function as evaluated at the initial points) and returns
     fprintf(ficreseij,"\n");  new points ax , bx , cx that bracket a minimum of the function. Also returned are the function
     free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);  values at the three points, fa, fb , and fc such that fa > fb and fb < fc.
   }     */
 }    double ulim,u,r,q, dum;
     double fu; 
 /************ Variance ******************/  
 void varevsij(char fileres[], double ***vareij, double **matcov, double x[], double delti[], int nlstate, int stepm, double bage, double fage, double **oldm, double **savm, double **prlim, double ftolpl, int ij)    double scale=10.;
 {    int iterscale=0;
   /* Variance of health expectancies */  
   /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double ** savm,double ftolpl);*/    *fa=(*func)(*ax); /*  xta[j]=pcom[j]+(*ax)*xicom[j]; fa=f(xta[j])*/
   double **newm;    *fb=(*func)(*bx); /*  xtb[j]=pcom[j]+(*bx)*xicom[j]; fb=f(xtb[j]) */
   double **dnewm,**doldm;  
   int i, j, nhstepm, hstepm, h;  
   int k, cptcode;    /* while(*fb != *fb){ /\* *ax should be ok, reducing distance to *ax *\/ */
   double *xp;    /*   printf("Warning mnbrak *fb = %lf, *bx=%lf *ax=%lf *fa==%lf iter=%d\n",*fb, *bx, *ax, *fa, iterscale++); */
   double **gp, **gm;    /*   *bx = *ax - (*ax - *bx)/scale; */
   double ***gradg, ***trgradg;    /*   *fb=(*func)(*bx);  /\*  xtb[j]=pcom[j]+(*bx)*xicom[j]; fb=f(xtb[j]) *\/ */
   double ***p3mat;    /* } */
   double age,agelim;  
   int theta;    if (*fb > *fa) { 
       SHFT(dum,*ax,*bx,dum) 
    fprintf(ficresvij,"# Covariances of life expectancies\n");      SHFT(dum,*fb,*fa,dum) 
   fprintf(ficresvij,"# Age");    } 
   for(i=1; i<=nlstate;i++)    *cx=(*bx)+GOLD*(*bx-*ax); 
     for(j=1; j<=nlstate;j++)    *fc=(*func)(*cx); 
       fprintf(ficresvij," Cov(e%1d, e%1d)",i,j);  #ifdef DEBUG
   fprintf(ficresvij,"\n");    printf("mnbrak0 *fb=%.12e *fc=%.12e\n",*fb,*fc);
     fprintf(ficlog,"mnbrak0 *fb=%.12e *fc=%.12e\n",*fb,*fc);
   xp=vector(1,npar);  #endif
   dnewm=matrix(1,nlstate,1,npar);    while (*fb > *fc) { /* Declining a,b,c with fa> fb > fc */
   doldm=matrix(1,nlstate,1,nlstate);      r=(*bx-*ax)*(*fb-*fc); 
        q=(*bx-*cx)*(*fb-*fa); 
   hstepm=1*YEARM; /* Every year of age */      u=(*bx)-((*bx-*cx)*q-(*bx-*ax)*r)/ 
   hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */        (2.0*SIGN(FMAX(fabs(q-r),TINY),q-r)); /* Minimum abscissa of a parabolic estimated from (a,fa), (b,fb) and (c,fc). */
   agelim = AGESUP;      ulim=(*bx)+GLIMIT*(*cx-*bx); /* Maximum abscissa where function should be evaluated */
   for (age=bage; age<=fage; age ++){ /* If stepm=6 months */      if ((*bx-u)*(u-*cx) > 0.0) { /* if u_p is between b and c */
     nhstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */        fu=(*func)(u); 
     if (stepm >= YEARM) hstepm=1;  #ifdef DEBUG
     nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */        /* f(x)=A(x-u)**2+f(u) */
     p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);        double A, fparabu; 
     gradg=ma3x(0,nhstepm,1,npar,1,nlstate);        A= (*fb - *fa)/(*bx-*ax)/(*bx+*ax-2*u);
     gp=matrix(0,nhstepm,1,nlstate);        fparabu= *fa - A*(*ax-u)*(*ax-u);
     gm=matrix(0,nhstepm,1,nlstate);        printf("mnbrak (*ax=%.12f, *fa=%.12lf), (*bx=%.12f, *fb=%.12lf), (*cx=%.12f, *fc=%.12lf),  (*u=%.12f, fu=%.12lf, fparabu=%.12f)\n",*ax,*fa,*bx,*fb,*cx,*fc,u,fu, fparabu);
         fprintf(ficlog, "mnbrak (*ax=%.12f, *fa=%.12lf), (*bx=%.12f, *fb=%.12lf), (*cx=%.12f, *fc=%.12lf),  (*u=%.12f, fu=%.12lf, fparabu=%.12f)\n",*ax,*fa,*bx,*fb,*cx,*fc,u,fu, fparabu);
     for(theta=1; theta <=npar; theta++){        /* And thus,it can be that fu > *fc even if fparabu < *fc */
       for(i=1; i<=npar; i++){ /* Computes gradient */        /* mnbrak (*ax=7.666299858533, *fa=299039.693133272231), (*bx=8.595447774979, *fb=298976.598289369489),
         xp[i] = x[i] + (i==theta ?delti[theta]:0);          (*cx=10.098840694817, *fc=298946.631474258087),  (*u=9.852501168332, fu=298948.773013752128, fparabu=298945.434711494134) */
       }        /* In that case, there is no bracket in the output! Routine is wrong with many consequences.*/
       hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);    #endif 
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);  #ifdef MNBRAKORIGINAL
   #else
       if (popbased==1) {  /*       if (fu > *fc) { */
         for(i=1; i<=nlstate;i++)  /* #ifdef DEBUG */
           prlim[i][i]=probs[(int)age][i][ij];  /*       printf("mnbrak4  fu > fc \n"); */
       }  /*       fprintf(ficlog, "mnbrak4 fu > fc\n"); */
    /* #endif */
       for(j=1; j<= nlstate; j++){  /*      /\* SHFT(u,*cx,*cx,u) /\\* ie a=c, c=u and u=c; in that case, next SHFT(a,b,c,u) will give a=b=b, b=c=u, c=u=c and *\\/  *\/ */
         for(h=0; h<=nhstepm; h++){  /*      /\* SHFT(*fa,*fc,fu,*fc) /\\* (b, u, c) is a bracket while test fb > fc will be fu > fc  will exit *\\/ *\/ */
           for(i=1, gp[h][j]=0.;i<=nlstate;i++)  /*      dum=u; /\* Shifting c and u *\/ */
             gp[h][j] += prlim[i][i]*p3mat[i][j][h];  /*      u = *cx; */
         }  /*      *cx = dum; */
       }  /*      dum = fu; */
      /*      fu = *fc; */
       for(i=1; i<=npar; i++) /* Computes gradient */  /*      *fc =dum; */
         xp[i] = x[i] - (i==theta ?delti[theta]:0);  /*       } else { /\* end *\/ */
       hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);    /* #ifdef DEBUG */
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);  /*       printf("mnbrak3  fu < fc \n"); */
    /*       fprintf(ficlog, "mnbrak3 fu < fc\n"); */
       if (popbased==1) {  /* #endif */
         for(i=1; i<=nlstate;i++)  /*      dum=u; /\* Shifting c and u *\/ */
           prlim[i][i]=probs[(int)age][i][ij];  /*      u = *cx; */
       }  /*      *cx = dum; */
   /*      dum = fu; */
       for(j=1; j<= nlstate; j++){  /*      fu = *fc; */
         for(h=0; h<=nhstepm; h++){  /*      *fc =dum; */
           for(i=1, gm[h][j]=0.;i<=nlstate;i++)  /*       } */
             gm[h][j] += prlim[i][i]*p3mat[i][j][h];  #ifdef DEBUG
         }        printf("mnbrak34  fu < or >= fc \n");
       }        fprintf(ficlog, "mnbrak34 fu < fc\n");
   #endif
       for(j=1; j<= nlstate; j++)        dum=u; /* Shifting c and u */
         for(h=0; h<=nhstepm; h++){        u = *cx;
           gradg[h][theta][j]= (gp[h][j]-gm[h][j])/2./delti[theta];        *cx = dum;
         }        dum = fu;
     } /* End theta */        fu = *fc;
         *fc =dum;
     trgradg =ma3x(0,nhstepm,1,nlstate,1,npar);  #endif
       } else if ((*cx-u)*(u-ulim) > 0.0) { /* u is after c but before ulim */
     for(h=0; h<=nhstepm; h++)  #ifdef DEBUG
       for(j=1; j<=nlstate;j++)        printf("mnbrak2  u after c but before ulim\n");
         for(theta=1; theta <=npar; theta++)        fprintf(ficlog, "mnbrak2 u after c but before ulim\n");
           trgradg[h][j][theta]=gradg[h][theta][j];  #endif
         fu=(*func)(u); 
     for(i=1;i<=nlstate;i++)        if (fu < *fc) { 
       for(j=1;j<=nlstate;j++)  #ifdef DEBUG
         vareij[i][j][(int)age] =0.;        printf("mnbrak2  u after c but before ulim AND fu < fc\n");
     for(h=0;h<=nhstepm;h++){        fprintf(ficlog, "mnbrak2 u after c but before ulim AND fu <fc \n");
       for(k=0;k<=nhstepm;k++){  #endif
         matprod2(dnewm,trgradg[h],1,nlstate,1,npar,1,npar,matcov);          SHFT(*bx,*cx,u,*cx+GOLD*(*cx-*bx)) 
         matprod2(doldm,dnewm,1,nlstate,1,npar,1,nlstate,gradg[k]);          SHFT(*fb,*fc,fu,(*func)(u)) 
         for(i=1;i<=nlstate;i++)        } 
           for(j=1;j<=nlstate;j++)      } else if ((u-ulim)*(ulim-*cx) >= 0.0) { /* u outside ulim (verifying that ulim is beyond c) */
             vareij[i][j][(int)age] += doldm[i][j];  #ifdef DEBUG
       }        printf("mnbrak2  u outside ulim (verifying that ulim is beyond c)\n");
     }        fprintf(ficlog, "mnbrak2 u outside ulim (verifying that ulim is beyond c)\n");
     h=1;  #endif
     if (stepm >= YEARM) h=stepm/YEARM;        u=ulim; 
     fprintf(ficresvij,"%.0f ",age );        fu=(*func)(u); 
     for(i=1; i<=nlstate;i++)      } else { /* u could be left to b (if r > q parabola has a maximum) */
       for(j=1; j<=nlstate;j++){  #ifdef DEBUG
         fprintf(ficresvij," %.4f", h*vareij[i][j][(int)age]);        printf("mnbrak2  u could be left to b (if r > q parabola has a maximum)\n");
       }        fprintf(ficlog, "mnbrak2  u could be left to b (if r > q parabola has a maximum)\n");
     fprintf(ficresvij,"\n");  #endif
     free_matrix(gp,0,nhstepm,1,nlstate);        u=(*cx)+GOLD*(*cx-*bx); 
     free_matrix(gm,0,nhstepm,1,nlstate);        fu=(*func)(u); 
     free_ma3x(gradg,0,nhstepm,1,npar,1,nlstate);      } /* end tests */
     free_ma3x(trgradg,0,nhstepm,1,nlstate,1,npar);      SHFT(*ax,*bx,*cx,u) 
     free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);      SHFT(*fa,*fb,*fc,fu) 
   } /* End age */  #ifdef DEBUG
          printf("mnbrak2 (*ax=%.12f, *fa=%.12lf), (*bx=%.12f, *fb=%.12lf), (*cx=%.12f, *fc=%.12lf),  (*u=%.12f, fu=%.12lf)\n",*ax,*fa,*bx,*fb,*cx,*fc,u,fu);
   free_vector(xp,1,npar);        fprintf(ficlog, "mnbrak2 (*ax=%.12f, *fa=%.12lf), (*bx=%.12f, *fb=%.12lf), (*cx=%.12f, *fc=%.12lf),  (*u=%.12f, fu=%.12lf)\n",*ax,*fa,*bx,*fb,*cx,*fc,u,fu);
   free_matrix(doldm,1,nlstate,1,npar);  #endif
   free_matrix(dnewm,1,nlstate,1,nlstate);    } /* end while; ie return (a, b, c, fa, fb, fc) such that a < b < c with f(a) > f(b) and fb < f(c) */
   } 
 }  
   /*************** linmin ************************/
 /************ Variance of prevlim ******************/  /* Given an n -dimensional point p[1..n] and an n -dimensional direction xi[1..n] , moves and
 void varprevlim(char fileres[], double **varpl, double **matcov, double x[], double delti[], int nlstate, int stepm, double bage, double fage, double **oldm, double **savm, double **prlim, double ftolpl, int ij)  resets p to where the function func(p) takes on a minimum along the direction xi from p ,
 {  and replaces xi by the actual vector displacement that p was moved. Also returns as fret
   /* Variance of prevalence limit */  the value of func at the returned location p . This is actually all accomplished by calling the
   /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double ** savm,double ftolpl);*/  routines mnbrak and brent .*/
   double **newm;  int ncom; 
   double **dnewm,**doldm;  double *pcom,*xicom;
   int i, j, nhstepm, hstepm;  double (*nrfunc)(double []); 
   int k, cptcode;   
   double *xp;  void linmin(double p[], double xi[], int n, double *fret,double (*func)(double [])) 
   double *gp, *gm;  { 
   double **gradg, **trgradg;    double brent(double ax, double bx, double cx, 
   double age,agelim;                 double (*f)(double), double tol, double *xmin); 
   int theta;    double f1dim(double x); 
        void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb, 
   fprintf(ficresvpl,"# Standard deviation of prevalences limit\n");                double *fc, double (*func)(double)); 
   fprintf(ficresvpl,"# Age");    int j; 
   for(i=1; i<=nlstate;i++)    double xx,xmin,bx,ax; 
       fprintf(ficresvpl," %1d-%1d",i,i);    double fx,fb,fa;
   fprintf(ficresvpl,"\n");  
   #ifdef LINMINORIGINAL
   xp=vector(1,npar);  #else
   dnewm=matrix(1,nlstate,1,npar);    double scale=10., axs, xxs; /* Scale added for infinity */
   doldm=matrix(1,nlstate,1,nlstate);  #endif
      
   hstepm=1*YEARM; /* Every year of age */    ncom=n; 
   hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */    pcom=vector(1,n); 
   agelim = AGESUP;    xicom=vector(1,n); 
   for (age=bage; age<=fage; age ++){ /* If stepm=6 months */    nrfunc=func; 
     nhstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */    for (j=1;j<=n;j++) { 
     if (stepm >= YEARM) hstepm=1;      pcom[j]=p[j]; 
     nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */      xicom[j]=xi[j]; /* Former scale xi[j] of currrent direction i */
     gradg=matrix(1,npar,1,nlstate);    } 
     gp=vector(1,nlstate);  
     gm=vector(1,nlstate);  #ifdef LINMINORIGINAL
     xx=1.;
     for(theta=1; theta <=npar; theta++){  #else
       for(i=1; i<=npar; i++){ /* Computes gradient */    axs=0.0;
         xp[i] = x[i] + (i==theta ?delti[theta]:0);    xxs=1.;
       }    do{
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);      xx= xxs;
       for(i=1;i<=nlstate;i++)  #endif
         gp[i] = prlim[i][i];      ax=0.;
          mnbrak(&ax,&xx,&bx,&fa,&fx,&fb,f1dim);  /* Outputs: xtx[j]=pcom[j]+(*xx)*xicom[j]; fx=f(xtx[j]) */
       for(i=1; i<=npar; i++) /* Computes gradient */      /* brackets with inputs ax=0 and xx=1, but points, pcom=p, and directions values, xicom=xi, are sent via f1dim(x) */
         xp[i] = x[i] - (i==theta ?delti[theta]:0);      /* xt[x,j]=pcom[j]+x*xicom[j]  f(ax) = f(xt(a,j=1,n)) = f(p(j) + 0 * xi(j)) and  f(xx) = f(xt(x, j=1,n)) = f(p(j) + 1 * xi(j))   */
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);      /* Outputs: fa=f(p(j)) and fx=f(p(j) + xxs * xi(j) ) and f(bx)= f(p(j)+ bx* xi(j)) */
       for(i=1;i<=nlstate;i++)      /* Given input ax=axs and xx=xxs, xx might be too far from ax to get a finite f(xx) */
         gm[i] = prlim[i][i];      /* Searches on line, outputs (ax, xx, bx) such that fx < min(fa and fb) */
       /* Find a bracket a,x,b in direction n=xi ie xicom, order may change. Scale is [0:xxs*xi[j]] et non plus  [0:xi[j]]*/
       for(i=1;i<=nlstate;i++)  #ifdef LINMINORIGINAL
         gradg[theta][i]= (gp[i]-gm[i])/2./delti[theta];  #else
     } /* End theta */      if (fx != fx){
           xxs=xxs/scale; /* Trying a smaller xx, closer to initial ax=0 */
     trgradg =matrix(1,nlstate,1,npar);          printf("|");
           fprintf(ficlog,"|");
     for(j=1; j<=nlstate;j++)  #ifdef DEBUGLINMIN
       for(theta=1; theta <=npar; theta++)          printf("\nLinmin NAN : input [axs=%lf:xxs=%lf], mnbrak outputs fx=%lf <(fb=%lf and fa=%lf) with xx=%lf in [ax=%lf:bx=%lf] \n",  axs, xxs, fx,fb, fa, xx, ax, bx);
         trgradg[j][theta]=gradg[theta][j];  #endif
       }
     for(i=1;i<=nlstate;i++)    }while(fx != fx);
       varpl[i][(int)age] =0.;  #endif
     matprod2(dnewm,trgradg,1,nlstate,1,npar,1,npar,matcov);    
     matprod2(doldm,dnewm,1,nlstate,1,npar,1,nlstate,gradg);  #ifdef DEBUGLINMIN
     for(i=1;i<=nlstate;i++)    printf("\nLinmin after mnbrak: ax=%12.7f xx=%12.7f bx=%12.7f fa=%12.2f fx=%12.2f fb=%12.2f\n",  ax,xx,bx,fa,fx,fb);
       varpl[i][(int)age] = doldm[i][i]; /* Covariances are useless */    fprintf(ficlog,"\nLinmin after mnbrak: ax=%12.7f xx=%12.7f bx=%12.7f fa=%12.2f fx=%12.2f fb=%12.2f\n",  ax,xx,bx,fa,fx,fb);
   #endif
     fprintf(ficresvpl,"%.0f ",age );    *fret=brent(ax,xx,bx,f1dim,TOL,&xmin); /* Giving a bracketting triplet (ax, xx, bx), find a minimum, xmin, according to f1dim, *fret(xmin),*/
     for(i=1; i<=nlstate;i++)    /* fa = f(p[j] + ax * xi[j]), fx = f(p[j] + xx * xi[j]), fb = f(p[j] + bx * xi[j]) */
       fprintf(ficresvpl," %.5f (%.5f)",prlim[i][i],sqrt(varpl[i][(int)age]));    /* fmin = f(p[j] + xmin * xi[j]) */
     fprintf(ficresvpl,"\n");    /* P+lambda n in that direction (lambdamin), with TOL between abscisses */
     free_vector(gp,1,nlstate);    /* f1dim(xmin): for (j=1;j<=ncom;j++) xt[j]=pcom[j]+xmin*xicom[j]; */
     free_vector(gm,1,nlstate);  #ifdef DEBUG
     free_matrix(gradg,1,npar,1,nlstate);    printf("retour brent fret=%.12e xmin=%.12e\n",*fret,xmin);
     free_matrix(trgradg,1,nlstate,1,npar);    fprintf(ficlog,"retour brent fret=%.12e xmin=%.12e\n",*fret,xmin);
   } /* End age */  #endif
   #ifdef DEBUGLINMIN
   free_vector(xp,1,npar);    printf("linmin end ");
   free_matrix(doldm,1,nlstate,1,npar);    fprintf(ficlog,"linmin end ");
   free_matrix(dnewm,1,nlstate,1,nlstate);  #endif
     for (j=1;j<=n;j++) { 
 }  #ifdef LINMINORIGINAL
       xi[j] *= xmin; 
 /************ Variance of one-step probabilities  ******************/  #else
 void varprob(char fileres[], double **matcov, double x[], double delti[], int nlstate, double bage, double fage, int ij)  #ifdef DEBUGLINMIN
 {      if(xxs <1.0)
   int i, j;        printf(" before xi[%d]=%12.8f", j,xi[j]);
   int k=0, cptcode;  #endif
   double **dnewm,**doldm;      xi[j] *= xmin*xxs; /* xi rescaled by xmin and number of loops: if xmin=-1.237 and xi=(1,0,...,0) xi=(-1.237,0,...,0) */
   double *xp;  #ifdef DEBUGLINMIN
   double *gp, *gm;      if(xxs <1.0)
   double **gradg, **trgradg;        printf(" after xi[%d]=%12.8f, xmin=%12.8f, ax=%12.8f, xx=%12.8f, bx=%12.8f, xxs=%12.8f", j,xi[j], xmin, ax, xx, bx,xxs );
   double age,agelim, cov[NCOVMAX];  #endif
   int theta;  #endif
   char fileresprob[FILENAMELENGTH];      p[j] += xi[j]; /* Parameters values are updated accordingly */
     } 
   strcpy(fileresprob,"prob");  #ifdef DEBUGLINMIN
   strcat(fileresprob,fileres);    printf("\n");
   if((ficresprob=fopen(fileresprob,"w"))==NULL) {    printf("Comparing last *frec(xmin=%12.8f)=%12.8f from Brent and frec(0.)=%12.8f \n", xmin, *fret, (*func)(p));
     printf("Problem with resultfile: %s\n", fileresprob);    fprintf(ficlog,"Comparing last *frec(xmin=%12.8f)=%12.8f from Brent and frec(0.)=%12.8f \n", xmin, *fret, (*func)(p));
   }    for (j=1;j<=n;j++) { 
   printf("Computing variance of one-step probabilities: result on file '%s' \n",fileresprob);      printf(" xi[%d]= %14.10f p[%d]= %12.7f",j,xi[j],j,p[j]);
        fprintf(ficlog," xi[%d]= %14.10f p[%d]= %12.7f",j,xi[j],j,p[j]);
       if(j % ncovmodel == 0){
   xp=vector(1,npar);        printf("\n");
   dnewm=matrix(1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);        fprintf(ficlog,"\n");
   doldm=matrix(1,(nlstate+ndeath)*(nlstate+ndeath),1,(nlstate+ndeath)*(nlstate+ndeath));      }
      }
   cov[1]=1;  #else
   for (age=bage; age<=fage; age ++){  #endif
     cov[2]=age;    free_vector(xicom,1,n); 
     gradg=matrix(1,npar,1,9);    free_vector(pcom,1,n); 
     trgradg=matrix(1,9,1,npar);  } 
     gp=vector(1,(nlstate+ndeath)*(nlstate+ndeath));  
     gm=vector(1,(nlstate+ndeath)*(nlstate+ndeath));  
      /*************** powell ************************/
     for(theta=1; theta <=npar; theta++){  /*
       for(i=1; i<=npar; i++)  Minimization of a function func of n variables. Input consists of an initial starting point
         xp[i] = x[i] + (i==theta ?delti[theta]:0);  p[1..n] ; an initial matrix xi[1..n][1..n] , whose columns contain the initial set of di-
        rections (usually the n unit vectors); and ftol , the fractional tolerance in the function value
       pmij(pmmij,cov,ncovmodel,xp,nlstate);  such that failure to decrease by more than this amount on one iteration signals doneness. On
      output, p is set to the best point found, xi is the then-current direction set, fret is the returned
       k=0;  function value at p , and iter is the number of iterations taken. The routine linmin is used.
       for(i=1; i<= (nlstate+ndeath); i++){   */
         for(j=1; j<=(nlstate+ndeath);j++){  void powell(double p[], double **xi, int n, double ftol, int *iter, double *fret, 
            k=k+1;              double (*func)(double [])) 
           gp[k]=pmmij[i][j];  { 
         }    void linmin(double p[], double xi[], int n, double *fret, 
       }                double (*func)(double [])); 
     int i,ibig,j; 
       for(i=1; i<=npar; i++)    double del,t,*pt,*ptt,*xit;
         xp[i] = x[i] - (i==theta ?delti[theta]:0);    double directest;
        double fp,fptt;
     double *xits;
       pmij(pmmij,cov,ncovmodel,xp,nlstate);    int niterf, itmp;
       k=0;  
       for(i=1; i<=(nlstate+ndeath); i++){    pt=vector(1,n); 
         for(j=1; j<=(nlstate+ndeath);j++){    ptt=vector(1,n); 
           k=k+1;    xit=vector(1,n); 
           gm[k]=pmmij[i][j];    xits=vector(1,n); 
         }    *fret=(*func)(p); 
       }    for (j=1;j<=n;j++) pt[j]=p[j]; 
          rcurr_time = time(NULL);  
        for(i=1; i<= (nlstate+ndeath)*(nlstate+ndeath); i++)    for (*iter=1;;++(*iter)) { 
            gradg[theta][i]=(gp[i]-gm[i])/2./delti[theta];        fp=(*fret); /* From former iteration or initial value */
     }      ibig=0; 
       del=0.0; 
      for(j=1; j<=(nlstate+ndeath)*(nlstate+ndeath);j++)      rlast_time=rcurr_time;
       for(theta=1; theta <=npar; theta++)      /* (void) gettimeofday(&curr_time,&tzp); */
       trgradg[j][theta]=gradg[theta][j];      rcurr_time = time(NULL);  
        curr_time = *localtime(&rcurr_time);
      matprod2(dnewm,trgradg,1,9,1,npar,1,npar,matcov);      printf("\nPowell iter=%d -2*LL=%.12f %ld sec. %ld sec.",*iter,*fret, rcurr_time-rlast_time, rcurr_time-rstart_time);fflush(stdout);
      matprod2(doldm,dnewm,1,9,1,npar,1,9,gradg);      fprintf(ficlog,"\nPowell iter=%d -2*LL=%.12f %ld sec. %ld sec.",*iter,*fret,rcurr_time-rlast_time, rcurr_time-rstart_time); fflush(ficlog);
   /*     fprintf(ficrespow,"%d %.12f %ld",*iter,*fret,curr_time.tm_sec-start_time.tm_sec); */
      pmij(pmmij,cov,ncovmodel,x,nlstate);      for (i=1;i<=n;i++) {
         printf(" %d %.12f",i, p[i]);
      k=0;        fprintf(ficlog," %d %.12lf",i, p[i]);
      for(i=1; i<=(nlstate+ndeath); i++){        fprintf(ficrespow," %.12lf", p[i]);
        for(j=1; j<=(nlstate+ndeath);j++){      }
          k=k+1;      printf("\n");
          gm[k]=pmmij[i][j];      fprintf(ficlog,"\n");
         }      fprintf(ficrespow,"\n");fflush(ficrespow);
      }      if(*iter <=3){
              tml = *localtime(&rcurr_time);
      /*printf("\n%d ",(int)age);        strcpy(strcurr,asctime(&tml));
      for (i=1; i<=(nlstate+ndeath)*(nlstate+ndeath-1);i++){        rforecast_time=rcurr_time; 
                itmp = strlen(strcurr);
         if(strcurr[itmp-1]=='\n')  /* Windows outputs with a new line */
        printf("%e [%e ;%e] ",gm[i],gm[i]-2*sqrt(doldm[i][i]),gm[i]+2*sqrt(doldm[i][i]));          strcurr[itmp-1]='\0';
      }*/        printf("\nConsidering the time needed for the last iteration #%d: %ld seconds,\n",*iter,rcurr_time-rlast_time);
         fprintf(ficlog,"\nConsidering the time needed for this last iteration #%d: %ld seconds,\n",*iter,rcurr_time-rlast_time);
   fprintf(ficresprob,"\n%d ",(int)age);        for(niterf=10;niterf<=30;niterf+=10){
           rforecast_time=rcurr_time+(niterf-*iter)*(rcurr_time-rlast_time);
   for (i=1; i<=(nlstate+ndeath)*(nlstate+ndeath-1);i++){          forecast_time = *localtime(&rforecast_time);
     if (i== 2) fprintf(ficresprob,"%.3e %.3e ",gm[i],doldm[i][i]);          strcpy(strfor,asctime(&forecast_time));
 if (i== 4) fprintf(ficresprob,"%.3e %.3e ",gm[i],doldm[i][i]);          itmp = strlen(strfor);
   }          if(strfor[itmp-1]=='\n')
           strfor[itmp-1]='\0';
     free_vector(gp,1,(nlstate+ndeath)*(nlstate+ndeath));          printf("   - if your program needs %d iterations to converge, convergence will be \n   reached in %s i.e.\n   on %s (current time is %s);\n",niterf, asc_diff_time(rforecast_time-rcurr_time,tmpout),strfor,strcurr);
     free_vector(gm,1,(nlstate+ndeath)*(nlstate+ndeath));          fprintf(ficlog,"   - if your program needs %d iterations to converge, convergence will be \n   reached in %s i.e.\n   on %s (current time is %s);\n",niterf, asc_diff_time(rforecast_time-rcurr_time,tmpout),strfor,strcurr);
     free_matrix(trgradg,1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);        }
     free_matrix(gradg,1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);      }
 }      for (i=1;i<=n;i++) { /* For each direction i */
  free_vector(xp,1,npar);        for (j=1;j<=n;j++) xit[j]=xi[j][i]; /* Directions stored from previous iteration with previous scales */
 fclose(ficresprob);        fptt=(*fret); 
   #ifdef DEBUG
 }        printf("fret=%lf, %lf, %lf \n", *fret, *fret, *fret);
         fprintf(ficlog, "fret=%lf, %lf, %lf \n", *fret, *fret, *fret);
 /******************* Printing html file ***********/  #endif
 void printinghtml(char fileres[], char title[], char datafile[], int firstpass, int lastpass, int stepm, int weightopt, char model[],int imx,int jmin, int jmax, double jmeanint,char optionfile[],char optionfilehtm[],char rfileres[] ){        printf("%d",i);fflush(stdout); /* print direction (parameter) i */
   int jj1, k1, i1, cpt;        fprintf(ficlog,"%d",i);fflush(ficlog);
   FILE *fichtm;        linmin(p,xit,n,fret,func); /* Point p[n]. xit[n] has been loaded for direction i as input.*/
   /*char optionfilehtm[FILENAMELENGTH];*/                                      /* Outputs are fret(new point p) p is updated and xit rescaled */
         if (fabs(fptt-(*fret)) > del) { /* We are keeping the max gain on each of the n directions */
   strcpy(optionfilehtm,optionfile);          /* because that direction will be replaced unless the gain del is small */
   strcat(optionfilehtm,".htm");          /* in comparison with the 'probable' gain, mu^2, with the last average direction. */
   if((fichtm=fopen(optionfilehtm,"w"))==NULL)    {          /* Unless the n directions are conjugate some gain in the determinant may be obtained */
     printf("Problem with %s \n",optionfilehtm), exit(0);          /* with the new direction. */
   }          del=fabs(fptt-(*fret)); 
           ibig=i; 
  fprintf(fichtm,"<body><ul> <font size=\"6\">Imach, Version 0.71 </font> <hr size=\"2\" color=\"#EC5E5E\">        } 
 Title=%s <br>Datafile=%s Firstpass=%d Lastpass=%d Stepm=%d Weight=%d Model=%s<br>  #ifdef DEBUG
         printf("%d %.12e",i,(*fret));
 Total number of observations=%d <br>        fprintf(ficlog,"%d %.12e",i,(*fret));
 Interval (in months) between two waves: Min=%d Max=%d Mean=%.2lf<br>        for (j=1;j<=n;j++) {
 <hr  size=\"2\" color=\"#EC5E5E\">          xits[j]=FMAX(fabs(p[j]-pt[j]),1.e-5);
 <li>Outputs files<br><br>\n          printf(" x(%d)=%.12e",j,xit[j]);
         - Observed prevalence in each state: <a href=\"p%s\">p%s</a> <br>\n          fprintf(ficlog," x(%d)=%.12e",j,xit[j]);
 - Estimated parameters and the covariance matrix: <a href=\"%s\">%s</a> <br>        }
         - Stationary prevalence in each state: <a href=\"pl%s\">pl%s</a> <br>        for(j=1;j<=n;j++) {
         - Transition probabilities: <a href=\"pij%s\">pij%s</a><br>          printf(" p(%d)=%.12e",j,p[j]);
         - Copy of the parameter file: <a href=\"o%s\">o%s</a><br>          fprintf(ficlog," p(%d)=%.12e",j,p[j]);
         - Life expectancies by age and initial health status: <a href=\"e%s\">e%s</a> <br>        }
         - Variances of life expectancies by age and initial health status: <a href=\"v%s\">v%s</a><br>        printf("\n");
         - Health expectancies with their variances: <a href=\"t%s\">t%s</a> <br>        fprintf(ficlog,"\n");
         - Standard deviation of stationary prevalences: <a href=\"vpl%s\">vpl%s</a> <br>  #endif
         - Prevalences forecasting: <a href=\"f%s\">f%s</a> <br>      } /* end loop on each direction i */
         - Population forecasting (if popforecast=1): <a href=\"pop%s\">pop%s</a> <br>      /* Convergence test will use last linmin estimation (fret) and compare former iteration (fp) */ 
         <br>",title,datafile,firstpass,lastpass,stepm, weightopt,model,imx,jmin,jmax,jmean,fileres,fileres,rfileres,rfileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres);      /* But p and xit have been updated at the end of linmin, *fret corresponds to new p, xit  */
        /* New value of last point Pn is not computed, P(n-1) */
 fprintf(fichtm," <li>Graphs</li><p>");      if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret))) { /* Did we reach enough precision? */
         /* We could compare with a chi^2. chisquare(0.95,ddl=1)=3.84 */
  m=cptcoveff;        /* By adding age*age in a model, the new -2LL should be lower and the difference follows a */
  if (cptcovn < 1) {m=1;ncodemax[1]=1;}        /* a chisquare statistics with 1 degree. To be significant at the 95% level, it should have */
         /* decreased of more than 3.84  */
  jj1=0;        /* By adding age*age and V1*age the gain (-2LL) should be more than 5.99 (ddl=2) */
  for(k1=1; k1<=m;k1++){        /* By using V1+V2+V3, the gain should be  7.82, compared with basic 1+age. */
    for(i1=1; i1<=ncodemax[k1];i1++){        /* By adding 10 parameters more the gain should be 18.31 */
        jj1++;  
        if (cptcovn > 0) {        /* Starting the program with initial values given by a former maximization will simply change */
          fprintf(fichtm,"<hr  size=\"2\" color=\"#EC5E5E\">************ Results for covariates");        /* the scales of the directions and the directions, because the are reset to canonical directions */
          for (cpt=1; cpt<=cptcoveff;cpt++)        /* Thus the first calls to linmin will give new points and better maximizations until fp-(*fret) is */
            fprintf(fichtm," V%d=%d ",Tvaraff[cpt],nbcode[Tvaraff[cpt]][codtab[jj1][cpt]]);        /* under the tolerance value. If the tolerance is very small 1.e-9, it could last long.  */
          fprintf(fichtm," ************\n<hr size=\"2\" color=\"#EC5E5E\">");  #ifdef DEBUG
        }        int k[2],l;
        fprintf(fichtm,"<br>- Probabilities: pe%s%d.gif<br>        k[0]=1;
 <img src=\"pe%s%d.gif\">",strtok(optionfile, "."),jj1,strtok(optionfile, "."),jj1);            k[1]=-1;
        for(cpt=1; cpt<nlstate;cpt++){        printf("Max: %.12e",(*func)(p));
          fprintf(fichtm,"<br>- Prevalence of disability : p%s%d%d.gif<br>        fprintf(ficlog,"Max: %.12e",(*func)(p));
 <img src=\"p%s%d%d.gif\">",strtok(optionfile, "."),cpt,jj1,strtok(optionfile, "."),cpt,jj1);        for (j=1;j<=n;j++) {
        }          printf(" %.12e",p[j]);
     for(cpt=1; cpt<=nlstate;cpt++) {          fprintf(ficlog," %.12e",p[j]);
        fprintf(fichtm,"<br>- Observed and stationary prevalence (with confident        }
 interval) in state (%d): v%s%d%d.gif <br>        printf("\n");
 <img src=\"v%s%d%d.gif\">",cpt,strtok(optionfile, "."),cpt,jj1,strtok(optionfile, "."),cpt,jj1);          fprintf(ficlog,"\n");
      }        for(l=0;l<=1;l++) {
      for(cpt=1; cpt<=nlstate;cpt++) {          for (j=1;j<=n;j++) {
         fprintf(fichtm,"\n<br>- Health life expectancies by age and initial health state (%d): exp%s%d%d.gif <br>            ptt[j]=p[j]+(p[j]-pt[j])*k[l];
 <img src=\"exp%s%d%d.gif\">",cpt,strtok(optionfile, "."),cpt,jj1,strtok(optionfile, "."),cpt,jj1);            printf("l=%d j=%d ptt=%.12e, xits=%.12e, p=%.12e, xit=%.12e", l,j,ptt[j],xits[j],p[j],xit[j]);
      }            fprintf(ficlog,"l=%d j=%d ptt=%.12e, xits=%.12e, p=%.12e, xit=%.12e", l,j,ptt[j],xits[j],p[j],xit[j]);
      fprintf(fichtm,"\n<br>- Total life expectancy by age and          }
 health expectancies in states (1) and (2): e%s%d.gif<br>          printf("func(ptt)=%.12e, deriv=%.12e\n",(*func)(ptt),(ptt[j]-p[j])/((*func)(ptt)-(*func)(p)));
 <img src=\"e%s%d.gif\">",strtok(optionfile, "."),jj1,strtok(optionfile, "."),jj1);          fprintf(ficlog,"func(ptt)=%.12e, deriv=%.12e\n",(*func)(ptt),(ptt[j]-p[j])/((*func)(ptt)-(*func)(p)));
 fprintf(fichtm,"\n</body>");        }
    }  #endif
    }  
 fclose(fichtm);  
 }        free_vector(xit,1,n); 
         free_vector(xits,1,n); 
 /******************* Gnuplot file **************/        free_vector(ptt,1,n); 
 void printinggnuplot(char fileres[],char optionfilefiname[],char optionfile[],char optionfilegnuplot[], double agemin, double agemaxpar, double fage , char pathc[], double p[]){        free_vector(pt,1,n); 
         return; 
   int m,cpt,k1,i,k,j,jk,k2,k3,ij,l;      } /* enough precision */ 
       if (*iter == ITMAX) nrerror("powell exceeding maximum iterations."); 
   strcpy(optionfilegnuplot,optionfilefiname);      for (j=1;j<=n;j++) { /* Computes the extrapolated point P_0 + 2 (P_n-P_0) */
   strcat(optionfilegnuplot,".plt");        ptt[j]=2.0*p[j]-pt[j]; 
   if((ficgp=fopen(optionfilegnuplot,"w"))==NULL) {        xit[j]=p[j]-pt[j]; 
     printf("Problem with file %s",optionfilegnuplot);        pt[j]=p[j]; 
   }      } 
       fptt=(*func)(ptt); /* f_3 */
 #ifdef windows  #ifdef POWELLF1F3
     fprintf(ficgp,"cd \"%s\" \n",pathc);  #else
 #endif      if (fptt < fp) { /* If extrapolated point is better, decide if we keep that new direction or not */
 m=pow(2,cptcoveff);  #endif
          /* (x1 f1=fp), (x2 f2=*fret), (x3 f3=fptt), (xm fm) */
  /* 1eme*/        /* From x1 (P0) distance of x2 is at h and x3 is 2h */
   for (cpt=1; cpt<= nlstate ; cpt ++) {        /* Let f"(x2) be the 2nd derivative equal everywhere.  */
    for (k1=1; k1<= m ; k1 ++) {        /* Then the parabolic through (x1,f1), (x2,f2) and (x3,f3) */
         /* will reach at f3 = fm + h^2/2 f"m  ; f" = (f1 -2f2 +f3 ) / h**2 */
 #ifdef windows        /* Conditional for using this new direction is that mu^2 = (f1-2f2+f3)^2 /2 < del */
     fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability\" \nset ter gif small size 400,300\nplot [%.f:%.f] \"vpl%s\" every :::%d::%d u 1:2 \"\%%lf",agemin,fage,fileres,k1-1,k1-1);        /* t=2.0*(fp-2.0*(*fret)+fptt)*SQR(fp-(*fret)-del)-del*SQR(fp-fptt); */
 #endif  #ifdef NRCORIGINAL
 #ifdef unix        t=2.0*(fp-2.0*(*fret)+fptt)*SQR(fp-(*fret)-del)- del*SQR(fp-fptt); /* Original Numerical Recipes in C*/
 fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability\" \nplot [%.f:%.f] \"vpl%s\" u 1:2 \"\%%lf",agemin,fage,fileres);  #else
 #endif        t=2.0*(fp-2.0*(*fret)+fptt)*SQR(fp-(*fret)-del); /* Intel compiler doesn't work on one line; bug reported */
         t= t- del*SQR(fp-fptt);
 for (i=1; i<= nlstate ; i ++) {  #endif
   if (i==cpt) fprintf(ficgp," \%%lf (\%%lf)");        directest = fp-2.0*(*fret)+fptt - 2.0 * del; /* If delta was big enough we change it for a new direction */
   else fprintf(ficgp," \%%*lf (\%%*lf)");  #ifdef DEBUG
 }        printf("t1= %.12lf, t2= %.12lf, t=%.12lf  directest=%.12lf\n", 2.0*(fp-2.0*(*fret)+fptt)*SQR(fp-(*fret)-del),del*SQR(fp-fptt),t,directest);
     fprintf(ficgp,"\" t\"Stationary prevalence\" w l 0,\"vpl%s\" every :::%d::%d u 1:($2+2*$3) \"\%%lf",fileres,k1-1,k1-1);        fprintf(ficlog,"t1= %.12lf, t2= %.12lf, t=%.12lf directest=%.12lf\n", 2.0*(fp-2.0*(*fret)+fptt)*SQR(fp-(*fret)-del),del*SQR(fp-fptt),t,directest);
     for (i=1; i<= nlstate ; i ++) {        printf("t3= %.12lf, t4= %.12lf, t3*= %.12lf, t4*= %.12lf\n",SQR(fp-(*fret)-del),SQR(fp-fptt),
   if (i==cpt) fprintf(ficgp," \%%lf (\%%lf)");               (fp-(*fret)-del)*(fp-(*fret)-del),(fp-fptt)*(fp-fptt));
   else fprintf(ficgp," \%%*lf (\%%*lf)");        fprintf(ficlog,"t3= %.12lf, t4= %.12lf, t3*= %.12lf, t4*= %.12lf\n",SQR(fp-(*fret)-del),SQR(fp-fptt),
 }               (fp-(*fret)-del)*(fp-(*fret)-del),(fp-fptt)*(fp-fptt));
   fprintf(ficgp,"\" t\"95\%% CI\" w l 1,\"vpl%s\" every :::%d::%d u 1:($2-2*$3) \"\%%lf",fileres,k1-1,k1-1);        printf("tt= %.12lf, t=%.12lf\n",2.0*(fp-2.0*(*fret)+fptt)*(fp-(*fret)-del)*(fp-(*fret)-del)-del*(fp-fptt)*(fp-fptt),t);
      for (i=1; i<= nlstate ; i ++) {        fprintf(ficlog, "tt= %.12lf, t=%.12lf\n",2.0*(fp-2.0*(*fret)+fptt)*(fp-(*fret)-del)*(fp-(*fret)-del)-del*(fp-fptt)*(fp-fptt),t);
   if (i==cpt) fprintf(ficgp," \%%lf (\%%lf)");  #endif
   else fprintf(ficgp," \%%*lf (\%%*lf)");  #ifdef POWELLORIGINAL
 }          if (t < 0.0) { /* Then we use it for new direction */
      fprintf(ficgp,"\" t\"\" w l 1,\"p%s\" every :::%d::%d u 1:($%d) t\"Observed prevalence \" w l 2",fileres,k1-1,k1-1,2+4*(cpt-1));  #else
 #ifdef unix        if (directest*t < 0.0) { /* Contradiction between both tests */
 fprintf(ficgp,"\nset ter gif small size 400,300");          printf("directest= %.12lf (if <0 we include P0 Pn as new direction), t= %.12lf, f1= %.12lf,f2= %.12lf,f3= %.12lf, del= %.12lf\n",directest, t, fp,(*fret),fptt,del);
 #endif          printf("f1-2f2+f3= %.12lf, f1-f2-del= %.12lf, f1-f3= %.12lf\n",fp-2.0*(*fret)+fptt, fp -(*fret) -del, fp-fptt);
 fprintf(ficgp,"\nset out \"v%s%d%d.gif\" \nreplot\n\n",strtok(optionfile, "."),cpt,k1);          fprintf(ficlog,"directest= %.12lf (if <0 we include P0 Pn as new direction), t= %.12lf, f1= %.12lf,f2= %.12lf,f3= %.12lf, del= %.12lf\n",directest, t, fp,(*fret),fptt, del);
    }          fprintf(ficlog,"f1-2f2+f3= %.12lf, f1-f2-del= %.12lf, f1-f3= %.12lf\n",fp-2.0*(*fret)+fptt, fp -(*fret) -del, fp-fptt);
   }        } 
   /*2 eme*/        if (directest < 0.0) { /* Then we use it for new direction */
   #endif
   for (k1=1; k1<= m ; k1 ++) {  #ifdef DEBUGLINMIN
     fprintf(ficgp,"set ylabel \"Years\" \nset ter gif small size 400,300\nplot [%.f:%.f] ",agemin,fage);          printf("Before linmin in direction P%d-P0\n",n);
              for (j=1;j<=n;j++) { 
     for (i=1; i<= nlstate+1 ; i ++) {            printf(" Before xit[%d]= %12.7f p[%d]= %12.7f",j,xit[j],j,p[j]);
       k=2*i;            fprintf(ficlog," Before xit[%d]= %12.7f p[%d]= %12.7f",j,xit[j],j,p[j]);
       fprintf(ficgp,"\"t%s\" every :::%d::%d u 1:2 \"\%%lf",fileres,k1-1,k1-1);            if(j % ncovmodel == 0){
       for (j=1; j<= nlstate+1 ; j ++) {              printf("\n");
   if (j==i) fprintf(ficgp," \%%lf (\%%lf)");              fprintf(ficlog,"\n");
   else fprintf(ficgp," \%%*lf (\%%*lf)");            }
 }            }
       if (i== 1) fprintf(ficgp,"\" t\"TLE\" w l ,");  #endif
       else fprintf(ficgp,"\" t\"LE in state (%d)\" w l ,",i-1);          linmin(p,xit,n,fret,func); /* computes minimum on the extrapolated direction: changes p and rescales xit.*/
     fprintf(ficgp,"\"t%s\" every :::%d::%d u 1:($2-$3*2) \"\%%lf",fileres,k1-1,k1-1);  #ifdef DEBUGLINMIN
       for (j=1; j<= nlstate+1 ; j ++) {          for (j=1;j<=n;j++) { 
         if (j==i) fprintf(ficgp," \%%lf (\%%lf)");            printf("After xit[%d]= %12.7f p[%d]= %12.7f",j,xit[j],j,p[j]);
         else fprintf(ficgp," \%%*lf (\%%*lf)");            fprintf(ficlog,"After xit[%d]= %12.7f p[%d]= %12.7f",j,xit[j],j,p[j]);
 }              if(j % ncovmodel == 0){
       fprintf(ficgp,"\" t\"\" w l 0,");              printf("\n");
      fprintf(ficgp,"\"t%s\" every :::%d::%d u 1:($2+$3*2) \"\%%lf",fileres,k1-1,k1-1);              fprintf(ficlog,"\n");
       for (j=1; j<= nlstate+1 ; j ++) {            }
   if (j==i) fprintf(ficgp," \%%lf (\%%lf)");          }
   else fprintf(ficgp," \%%*lf (\%%*lf)");  #endif
 }            for (j=1;j<=n;j++) { 
       if (i== (nlstate+1)) fprintf(ficgp,"\" t\"\" w l 0");            xi[j][ibig]=xi[j][n]; /* Replace direction with biggest decrease by last direction n */
       else fprintf(ficgp,"\" t\"\" w l 0,");            xi[j][n]=xit[j];      /* and this nth direction by the by the average p_0 p_n */
     }          }
     fprintf(ficgp,"\nset out \"e%s%d.gif\" \nreplot\n\n",strtok(optionfile, "."),k1);          printf("Gaining to use new average direction of P0 P%d instead of biggest increase direction %d :\n",n,ibig);
   }          fprintf(ficlog,"Gaining to use new average direction of P0 P%d instead of biggest increase direction %d :\n",n,ibig);
    
   /*3eme*/  #ifdef DEBUG
           printf("Direction changed  last moved %d in place of ibig=%d, new last is the average:\n",n,ibig);
   for (k1=1; k1<= m ; k1 ++) {          fprintf(ficlog,"Direction changed  last moved %d in place of ibig=%d, new last is the average:\n",n,ibig);
     for (cpt=1; cpt<= nlstate ; cpt ++) {          for(j=1;j<=n;j++){
       k=2+nlstate*(cpt-1);            printf(" %.12e",xit[j]);
       fprintf(ficgp,"set ter gif small size 400,300\nplot [%.f:%.f] \"e%s\" every :::%d::%d u 1:%d t \"e%d1\" w l",agemin,fage,fileres,k1-1,k1-1,k,cpt);            fprintf(ficlog," %.12e",xit[j]);
       for (i=1; i< nlstate ; i ++) {          }
         fprintf(ficgp,",\"e%s\" every :::%d::%d u 1:%d t \"e%d%d\" w l",fileres,k1-1,k1-1,k+i,cpt,i+1);          printf("\n");
       }          fprintf(ficlog,"\n");
       fprintf(ficgp,"\nset out \"exp%s%d%d.gif\" \nreplot\n\n",strtok(optionfile, "."),cpt,k1);  #endif
     }        } /* end of t or directest negative */
     }  #ifdef POWELLF1F3
    #else
   /* CV preval stat */      } /* end if (fptt < fp)  */
     for (k1=1; k1<= m ; k1 ++) {  #endif
     for (cpt=1; cpt<nlstate ; cpt ++) {    } /* loop iteration */ 
       k=3;  } 
       fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability\" \nset ter gif small size 400,300\nplot [%.f:%.f] \"pij%s\" u ($1==%d ? ($3):1/0):($%d/($%d",agemin,agemaxpar,fileres,k1,k+cpt+1,k+1);  
   /**** Prevalence limit (stable or period prevalence)  ****************/
       for (i=1; i< nlstate ; i ++)  
         fprintf(ficgp,"+$%d",k+i+1);  double **prevalim(double **prlim, int nlstate, double x[], double age, double **oldm, double **savm, double ftolpl, int *ncvyear, int ij)
       fprintf(ficgp,")) t\"prev(%d,%d)\" w l",cpt,cpt+1);  {
          /* Computes the prevalence limit in each live state at age x and for covariate ij by left multiplying the unit
       l=3+(nlstate+ndeath)*cpt;       matrix by transitions matrix until convergence is reached with precision ftolpl */
       fprintf(ficgp,",\"pij%s\" u ($1==%d ? ($3):1/0):($%d/($%d",fileres,k1,l+cpt+1,l+1);    /* Wx= Wx-1 Px-1= Wx-2 Px-2 Px-1  = Wx-n Px-n ... Px-2 Px-1 I */
       for (i=1; i< nlstate ; i ++) {    /* Wx is row vector: population in state 1, population in state 2, population dead */
         l=3+(nlstate+ndeath)*cpt;    /* or prevalence in state 1, prevalence in state 2, 0 */
         fprintf(ficgp,"+$%d",l+i+1);    /* newm is the matrix after multiplications, its rows are identical at a factor */
       }    /* Initial matrix pimij */
       fprintf(ficgp,")) t\"prev(%d,%d)\" w l\n",cpt+1,cpt+1);      /* {0.85204250825084937, 0.13044499163996345, 0.017512500109187184, */
       fprintf(ficgp,"set out \"p%s%d%d.gif\" \nreplot\n\n",strtok(optionfile, "."),cpt,k1);    /* 0.090851990222114765, 0.88271245433047185, 0.026435555447413338, */
     }    /*  0,                   0                  , 1} */
   }      /*
       * and after some iteration: */
   /* proba elementaires */    /* {0.45504275246439968, 0.42731458730878791, 0.11764266022681241, */
    for(i=1,jk=1; i <=nlstate; i++){    /*  0.45201005341706885, 0.42865420071559901, 0.11933574586733192, */
     for(k=1; k <=(nlstate+ndeath); k++){    /*  0,                   0                  , 1} */
       if (k != i) {    /* And prevalence by suppressing the deaths are close to identical rows in prlim: */
         for(j=1; j <=ncovmodel; j++){    /* {0.51571254859325999, 0.4842874514067399, */
            /*  0.51326036147820708, 0.48673963852179264} */
           fprintf(ficgp,"p%d=%f ",jk,p[jk]);    /* If we start from prlim again, prlim tends to a constant matrix */
           jk++;  
           fprintf(ficgp,"\n");    int i, ii,j,k;
         }    double *min, *max, *meandiff, maxmax,sumnew=0.;
       }    /* double **matprod2(); */ /* test */
     }    double **out, cov[NCOVMAX+1], **pmij(); /* **pmmij is a global variable feeded with oldms etc */
     }    double **newm;
     double agefin, delaymax=200. ; /* 100 Max number of years to converge */
     for(jk=1; jk <=m; jk++) {    int ncvloop=0;
   fprintf(ficgp,"\nset ter gif small size 400,300\nset log y\nplot  [%.f:%.f] ",agemin,agemaxpar);    
    i=1;    min=vector(1,nlstate);
    for(k2=1; k2<=nlstate; k2++) {    max=vector(1,nlstate);
      k3=i;    meandiff=vector(1,nlstate);
      for(k=1; k<=(nlstate+ndeath); k++) {  
        if (k != k2){          /* Starting with matrix unity */
         fprintf(ficgp," exp(p%d+p%d*x",i,i+1);    for (ii=1;ii<=nlstate+ndeath;ii++)
 ij=1;      for (j=1;j<=nlstate+ndeath;j++){
         for(j=3; j <=ncovmodel; j++) {        oldm[ii][j]=(ii==j ? 1.0 : 0.0);
           if(((j-2)==Tage[ij]) &&(ij <=cptcovage)) {      }
             fprintf(ficgp,"+p%d*%d*x",i+j-1,nbcode[Tvar[j-2]][codtab[jk][Tvar[j-2]]]);    
             ij++;    cov[1]=1.;
           }    
           else    /* Even if hstepm = 1, at least one multiplication by the unit matrix */
           fprintf(ficgp,"+p%d*%d",i+j-1,nbcode[Tvar[j-2]][codtab[jk][j-2]]);    /* Start at agefin= age, computes the matrix of passage and loops decreasing agefin until convergence is reached */
         }    for(agefin=age-stepm/YEARM; agefin>=age-delaymax; agefin=agefin-stepm/YEARM){
           fprintf(ficgp,")/(1");      ncvloop++;
              newm=savm;
         for(k1=1; k1 <=nlstate; k1++){        /* Covariates have to be included here again */
           fprintf(ficgp,"+exp(p%d+p%d*x",k3+(k1-1)*ncovmodel,k3+(k1-1)*ncovmodel+1);      cov[2]=agefin;
 ij=1;      if(nagesqr==1)
           for(j=3; j <=ncovmodel; j++){        cov[3]= agefin*agefin;;
           if(((j-2)==Tage[ij]) &&(ij <=cptcovage)) {      for (k=1; k<=cptcovn;k++) {
             fprintf(ficgp,"+p%d*%d*x",k3+(k1-1)*ncovmodel+1+j-2,nbcode[Tvar[j-2]][codtab[jk][Tvar[j-2]]]);        /* cov[2+nagesqr+k]=nbcode[Tvar[k]][codtabm(ij,Tvar[k])]; */
             ij++;                          /* Here comes the value of the covariate 'ij' */
           }        cov[2+nagesqr+k]=nbcode[Tvar[k]][codtabm(ij,k)];
           else        /* printf("prevalim ij=%d k=%d Tvar[%d]=%d nbcode=%d cov=%lf codtabm(%d,Tvar[%d])=%d \n",ij,k, k, Tvar[k],nbcode[Tvar[k]][codtabm(ij,Tvar[k])],cov[2+k], ij, k, codtabm(ij,Tvar[k])]); */
             fprintf(ficgp,"+p%d*%d",k3+(k1-1)*ncovmodel+1+j-2,nbcode[Tvar[j-2]][codtab[jk][j-2]]);      }
           }      /*wrong? for (k=1; k<=cptcovage;k++) cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2]; */
           fprintf(ficgp,")");      /* for (k=1; k<=cptcovage;k++) cov[2+nagesqr+Tage[k]]=nbcode[Tvar[k]][codtabm(ij,Tvar[k])]*cov[2]; */
         }      for (k=1; k<=cptcovage;k++) cov[2+nagesqr+Tage[k]]=nbcode[Tvar[k]][codtabm(ij,k)]*cov[2];
         fprintf(ficgp,") t \"p%d%d\" ", k2,k);      for (k=1; k<=cptcovprod;k++) /* Useless */
         if ((k+k2)!= (nlstate*2+ndeath)) fprintf(ficgp,",");        /* cov[2+nagesqr+Tprod[k]]=nbcode[Tvard[k][1]][codtabm(ij,Tvard[k][1])] * nbcode[Tvard[k][2]][codtabm(ij,Tvard[k][2])]; */
         i=i+ncovmodel;        cov[2+nagesqr+Tprod[k]]=nbcode[Tvard[k][1]][codtabm(ij,k)] * nbcode[Tvard[k][2]][codtabm(ij,k)];
        }      
      }      /*printf("ij=%d cptcovprod=%d tvar=%d ", ij, cptcovprod, Tvar[1]);*/
    }      /*printf("ij=%d cov[3]=%lf cov[4]=%lf \n",ij, cov[3],cov[4]);*/
    fprintf(ficgp,"\nset out \"pe%s%d.gif\" \nreplot\n\n",strtok(optionfile, "."),jk);      /*printf("ij=%d cov[3]=%lf \n",ij, cov[3]);*/
    }      /* savm=pmij(pmmij,cov,ncovmodel,x,nlstate); */
          /* out=matprod2(newm, pmij(pmmij,cov,ncovmodel,x,nlstate),1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm); /\* Bug Valgrind *\/ */
   fclose(ficgp);                  /* age and covariate values of ij are in 'cov' */
 }  /* end gnuplot */      out=matprod2(newm, pmij(pmmij,cov,ncovmodel,x,nlstate),1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm); /* Bug Valgrind */
       
       savm=oldm;
 /*************** Moving average **************/      oldm=newm;
 void movingaverage(double agedeb, double fage,double agemin, double ***mobaverage){  
       for(j=1; j<=nlstate; j++){
   int i, cpt, cptcod;        max[j]=0.;
     for (agedeb=agemin; agedeb<=fage; agedeb++)        min[j]=1.;
       for (i=1; i<=nlstate;i++)      }
         for (cptcod=1;cptcod<=ncodemax[cptcov];cptcod++)      for(i=1;i<=nlstate;i++){
           mobaverage[(int)agedeb][i][cptcod]=0.;        sumnew=0;
            for(k=1; k<=ndeath; k++) sumnew+=newm[i][nlstate+k];
     for (agedeb=agemin+4; agedeb<=fage; agedeb++){        for(j=1; j<=nlstate; j++){ 
       for (i=1; i<=nlstate;i++){          prlim[i][j]= newm[i][j]/(1-sumnew);
         for (cptcod=1;cptcod<=ncodemax[cptcoveff];cptcod++){          max[j]=FMAX(max[j],prlim[i][j]);
           for (cpt=0;cpt<=4;cpt++){          min[j]=FMIN(min[j],prlim[i][j]);
             mobaverage[(int)agedeb-2][i][cptcod]=mobaverage[(int)agedeb-2][i][cptcod]+probs[(int)agedeb-cpt][i][cptcod];        }
           }      }
           mobaverage[(int)agedeb-2][i][cptcod]=mobaverage[(int)agedeb-2][i][cptcod]/5;  
         }      maxmax=0.;
       }      for(j=1; j<=nlstate; j++){
     }        meandiff[j]=(max[j]-min[j])/(max[j]+min[j])*2.; /* mean difference for each column */
            maxmax=FMAX(maxmax,meandiff[j]);
 }        /* printf(" age= %d meandiff[%d]=%f, agefin=%d max[%d]=%f min[%d]=%f maxmax=%f\n", (int)age, j, meandiff[j],(int)agefin, j, max[j], j, min[j],maxmax); */
       } /* j loop */
       *ncvyear= (int)age- (int)agefin;
 /************** Forecasting ******************/      /* printf("maxmax=%lf maxmin=%lf ncvloop=%d, age=%d, agefin=%d ncvyear=%d \n", maxmax, maxmin, ncvloop, (int)age, (int)agefin, *ncvyear); */
 prevforecast(char fileres[], double anproj1,double mproj1,double jproj1,double agemin, double agemax,double dateprev1, double dateprev2, int mobilav, double agedeb, double fage, int popforecast, char popfile[], double anproj2,double p[], int i2){      if(maxmax < ftolpl){
          /* printf("maxmax=%lf ncvloop=%ld, age=%d, agefin=%d ncvyear=%d \n", maxmax, ncvloop, (int)age, (int)agefin, *ncvyear); */
   int cpt, stepsize, hstepm, nhstepm, j,k,c, cptcod, i,h;        free_vector(min,1,nlstate);
   int *popage;        free_vector(max,1,nlstate);
   double calagedate, agelim, kk1, kk2, yp,yp1,yp2,jprojmean,mprojmean,anprojmean;        free_vector(meandiff,1,nlstate);
   double *popeffectif,*popcount;        return prlim;
   double ***p3mat;      }
   char fileresf[FILENAMELENGTH];    } /* age loop */
       /* After some age loop it doesn't converge */
  agelim=AGESUP;    printf("Warning: the stable prevalence at age %d did not converge with the required precision (%g > ftolpl=%g) within %.0f years. Try to lower 'ftolpl'. \n\
 calagedate=(anproj1+mproj1/12.+jproj1/365.-dateintmean)*YEARM;  Earliest age to start was %d-%d=%d, ncvloop=%d, ncvyear=%d\n", (int)age, maxmax, ftolpl, delaymax, (int)age, (int)delaymax, (int)agefin, ncvloop, *ncvyear);
     /* Try to lower 'ftol', for example from 1.e-8 to 6.e-9.\n", ftolpl, (int)age, (int)delaymax, (int)agefin, ncvloop, (int)age-(int)agefin); */
   prevalence(agemin, agemax, s, agev, nlstate, imx,Tvar,nbcode, ncodemax,mint,anint,dateprev1,dateprev2, calagedate);    free_vector(min,1,nlstate);
      free_vector(max,1,nlstate);
      free_vector(meandiff,1,nlstate);
   strcpy(fileresf,"f");    
   strcat(fileresf,fileres);    return prlim; /* should not reach here */
   if((ficresf=fopen(fileresf,"w"))==NULL) {  }
     printf("Problem with forecast resultfile: %s\n", fileresf);  
   }  
   printf("Computing forecasting: result on file '%s' \n", fileresf);   /**** Back Prevalence limit (stable or period prevalence)  ****************/
   
   if (cptcoveff==0) ncodemax[cptcoveff]=1;   /* double **bprevalim(double **bprlim, double ***prevacurrent, int nlstate, double x[], double age, double ageminpar, double agemaxpar, double **oldm, double **savm, double **dnewm, double **doldm, double **dsavm, double ftolpl, int *ncvyear, int ij) */
    /* double **bprevalim(double **bprlim, double ***prevacurrent, int nlstate, double x[], double age, double **oldm, double **savm, double **dnewm, double **doldm, double **dsavm, double ftolpl, int *ncvyear, int ij) */
   if (mobilav==1) {   double **bprevalim(double **bprlim, double ***prevacurrent, int nlstate, double x[], double age, double ftolpl, int *ncvyear, int ij)
     mobaverage= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX);  {
     movingaverage(agedeb, fage, agemin, mobaverage);    /* Computes the prevalence limit in each live state at age x and covariate ij by left multiplying the unit
   }       matrix by transitions matrix until convergence is reached with precision ftolpl */
     /* Wx= Wx-1 Px-1= Wx-2 Px-2 Px-1  = Wx-n Px-n ... Px-2 Px-1 I */
   stepsize=(int) (stepm+YEARM-1)/YEARM;    /* Wx is row vector: population in state 1, population in state 2, population dead */
   if (stepm<=12) stepsize=1;    /* or prevalence in state 1, prevalence in state 2, 0 */
      /* newm is the matrix after multiplications, its rows are identical at a factor */
   agelim=AGESUP;    /* Initial matrix pimij */
      /* {0.85204250825084937, 0.13044499163996345, 0.017512500109187184, */
   hstepm=1;    /* 0.090851990222114765, 0.88271245433047185, 0.026435555447413338, */
   hstepm=hstepm/stepm;    /*  0,                   0                  , 1} */
   yp1=modf(dateintmean,&yp);    /*
   anprojmean=yp;     * and after some iteration: */
   yp2=modf((yp1*12),&yp);    /* {0.45504275246439968, 0.42731458730878791, 0.11764266022681241, */
   mprojmean=yp;    /*  0.45201005341706885, 0.42865420071559901, 0.11933574586733192, */
   yp1=modf((yp2*30.5),&yp);    /*  0,                   0                  , 1} */
   jprojmean=yp;    /* And prevalence by suppressing the deaths are close to identical rows in prlim: */
   if(jprojmean==0) jprojmean=1;    /* {0.51571254859325999, 0.4842874514067399, */
   if(mprojmean==0) jprojmean=1;    /*  0.51326036147820708, 0.48673963852179264} */
      /* If we start from prlim again, prlim tends to a constant matrix */
   fprintf(ficresf,"# Estimated date of observed prevalence: %.lf/%.lf/%.lf ",jprojmean,mprojmean,anprojmean);  
      int i, ii,j,k;
   for(cptcov=1;cptcov<=i2;cptcov++){    double *min, *max, *meandiff, maxmax,sumnew=0.;
     for(cptcod=1;cptcod<=ncodemax[cptcoveff];cptcod++){    /* double **matprod2(); */ /* test */
       k=k+1;    double **out, cov[NCOVMAX+1], **bmij();
       fprintf(ficresf,"\n#******");    double **newm;
       for(j=1;j<=cptcoveff;j++) {    double         **dnewm, **doldm, **dsavm;  /* for use */
         fprintf(ficresf," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);    double         **oldm, **savm;  /* for use */
       }  
       fprintf(ficresf,"******\n");    double agefin, delaymax=200. ; /* 100 Max number of years to converge */
       fprintf(ficresf,"# StartingAge FinalAge");    int ncvloop=0;
       for(j=1; j<=nlstate+ndeath;j++) fprintf(ficresf," P.%d",j);    
          min=vector(1,nlstate);
          max=vector(1,nlstate);
       for (cpt=0; cpt<=(anproj2-anproj1);cpt++) {    meandiff=vector(1,nlstate);
         fprintf(ficresf,"\n");  
         fprintf(ficresf,"\n# Forecasting at date %.lf/%.lf/%.lf ",jproj1,mproj1,anproj1+cpt);            dnewm=ddnewms; doldm=ddoldms; dsavm=ddsavms;
           oldm=oldms; savm=savms;
         for (agedeb=(fage-((int)calagedate %12/12.)); agedeb>=(agemin-((int)calagedate %12)/12.); agedeb--){  
           nhstepm=(int) rint((agelim-agedeb)*YEARM/stepm);          /* Starting with matrix unity */
           nhstepm = nhstepm/hstepm;          for (ii=1;ii<=nlstate+ndeath;ii++)
                            for (j=1;j<=nlstate+ndeath;j++){
           p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);        oldm[ii][j]=(ii==j ? 1.0 : 0.0);
           oldm=oldms;savm=savms;      }
           hpxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);      
            cov[1]=1.;
           for (h=0; h<=nhstepm; h++){    
             if (h==(int) (calagedate+YEARM*cpt)) {    /* Even if hstepm = 1, at least one multiplication by the unit matrix */
               fprintf(ficresf,"\n %.f ",agedeb+h*hstepm/YEARM*stepm);    /* Start at agefin= age, computes the matrix of passage and loops decreasing agefin until convergence is reached */
             }    /* for(agefin=age+stepm/YEARM; agefin<=age+delaymax; agefin=agefin+stepm/YEARM){ /\* A changer en age *\/ */
             for(j=1; j<=nlstate+ndeath;j++) {    for(agefin=age; agefin<AGESUP; agefin=agefin+stepm/YEARM){ /* A changer en age */
               kk1=0.;kk2=0;      ncvloop++;
               for(i=1; i<=nlstate;i++) {                    newm=savm; /* oldm should be kept from previous iteration or unity at start */
                 if (mobilav==1)                  /* newm points to the allocated table savm passed by the function it can be written, savm could be reallocated */
                   kk1=kk1+p3mat[i][j][h]*mobaverage[(int)agedeb+1][i][cptcod];      /* Covariates have to be included here again */
                 else {      cov[2]=agefin;
                   kk1=kk1+p3mat[i][j][h]*probs[(int)(agedeb+1)][i][cptcod];      if(nagesqr==1)
                 }        cov[3]= agefin*agefin;;
                      for (k=1; k<=cptcovn;k++) {
               }        /* cov[2+nagesqr+k]=nbcode[Tvar[k]][codtabm(ij,Tvar[k])]; */
               if (h==(int)(calagedate+12*cpt)){        cov[2+nagesqr+k]=nbcode[Tvar[k]][codtabm(ij,k)];
                 fprintf(ficresf," %.3f", kk1);        /* printf("prevalim ij=%d k=%d Tvar[%d]=%d nbcode=%d cov=%lf codtabm(%d,Tvar[%d])=%d \n",ij,k, k, Tvar[k],nbcode[Tvar[k]][codtabm(ij,Tvar[k])],cov[2+k], ij, k, codtabm(ij,Tvar[k])]); */
                              }
               }      /*wrong? for (k=1; k<=cptcovage;k++) cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2]; */
             }      /* for (k=1; k<=cptcovage;k++) cov[2+nagesqr+Tage[k]]=nbcode[Tvar[k]][codtabm(ij,Tvar[k])]*cov[2]; */
           }      for (k=1; k<=cptcovage;k++) cov[2+nagesqr+Tage[k]]=nbcode[Tvar[k]][codtabm(ij,k)]*cov[2];
           free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);      for (k=1; k<=cptcovprod;k++) /* Useless */
         }        /* cov[2+nagesqr+Tprod[k]]=nbcode[Tvard[k][1]][codtabm(ij,Tvard[k][1])] * nbcode[Tvard[k][2]][codtabm(ij,Tvard[k][2])]; */
       }        cov[2+nagesqr+Tprod[k]]=nbcode[Tvard[k][1]][codtabm(ij,k)] * nbcode[Tvard[k][2]][codtabm(ij,k)];
     }      
   }      /*printf("ij=%d cptcovprod=%d tvar=%d ", ij, cptcovprod, Tvar[1]);*/
              /*printf("ij=%d cov[3]=%lf cov[4]=%lf \n",ij, cov[3],cov[4]);*/
   if (mobilav==1) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX);      /*printf("ij=%d cov[3]=%lf \n",ij, cov[3]);*/
       /* savm=pmij(pmmij,cov,ncovmodel,x,nlstate); */
   fclose(ficresf);      /* out=matprod2(newm, pmij(pmmij,cov,ncovmodel,x,nlstate),1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm); /\* Bug Valgrind *\/ */
 }                  /* ij should be linked to the correct index of cov */
 /************** Forecasting ******************/                  /* age and covariate values ij are in 'cov', but we need to pass
 populforecast(char fileres[], double anpyram,double mpyram,double jpyram,double agemin, double agemax,double dateprev1, double dateprev2, int mobilav, double agedeb, double fage, int popforecast, char popfile[], double anpyram1,double p[], int i2){                   * ij for the observed prevalence at age and status and covariate
                     * number:  prevacurrent[(int)agefin][ii][ij]
   int cpt, stepsize, hstepm, nhstepm, j,k,c, cptcod, i,h;                   */
   int *popage;      /* out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, bmij(pmmij,cov,ncovmodel,x,nlstate,prevacurrent, ageminpar, agemaxpar, dnewm, doldm, dsavm,ij)); /\* Bug Valgrind *\/ */
   double calagedate, agelim, kk1, kk2, yp,yp1,yp2,jprojmean,mprojmean,anprojmean;      /* out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, bmij(pmmij,cov,ncovmodel,x,nlstate,prevacurrent, dnewm, doldm, dsavm,ij)); /\* Bug Valgrind *\/ */
   double *popeffectif,*popcount;      out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, bmij(pmmij,cov,ncovmodel,x,nlstate,prevacurrent,ij)); /* Bug Valgrind */
   double ***p3mat,***tabpop,***tabpopprev;      savm=oldm;
   char filerespop[FILENAMELENGTH];      oldm=newm;
       for(j=1; j<=nlstate; j++){
   tabpop= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX);        max[j]=0.;
   tabpopprev= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX);        min[j]=1.;
   agelim=AGESUP;      }
   calagedate=(anpyram+mpyram/12.+jpyram/365.-dateintmean)*YEARM;      for(j=1; j<=nlstate; j++){ 
          for(i=1;i<=nlstate;i++){
   prevalence(agemin, agemax, s, agev, nlstate, imx,Tvar,nbcode, ncodemax,mint,anint,dateprev1,dateprev2, calagedate);                                  /* bprlim[i][j]= newm[i][j]/(1-sumnew); */
                                    bprlim[i][j]= newm[i][j];
                                    max[i]=FMAX(max[i],bprlim[i][j]); /* Max in line */
   strcpy(filerespop,"pop");                                  min[i]=FMIN(min[i],bprlim[i][j]);
   strcat(filerespop,fileres);        }
   if((ficrespop=fopen(filerespop,"w"))==NULL) {      }
     printf("Problem with forecast resultfile: %s\n", filerespop);                  
   }      maxmax=0.;
   printf("Computing forecasting: result on file '%s' \n", filerespop);      for(i=1; i<=nlstate; i++){
         meandiff[i]=(max[i]-min[i])/(max[i]+min[i])*2.; /* mean difference for each column */
   if (cptcoveff==0) ncodemax[cptcoveff]=1;        maxmax=FMAX(maxmax,meandiff[i]);
         /* printf("Back age= %d meandiff[%d]=%f, agefin=%d max[%d]=%f min[%d]=%f maxmax=%f\n", (int)age, i, meandiff[i],(int)agefin, i, max[i], i, min[i],maxmax); */
   if (mobilav==1) {      } /* j loop */
     mobaverage= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX);      *ncvyear= -( (int)age- (int)agefin);
     movingaverage(agedeb, fage, agemin, mobaverage);      /* printf("Back maxmax=%lf ncvloop=%d, age=%d, agefin=%d ncvyear=%d \n", maxmax, ncvloop, (int)age, (int)agefin, *ncvyear);*/
   }      if(maxmax < ftolpl){
         printf("OK Back maxmax=%lf ncvloop=%d, age=%d, agefin=%d ncvyear=%d \n", maxmax, ncvloop, (int)age, (int)agefin, *ncvyear);
   stepsize=(int) (stepm+YEARM-1)/YEARM;        free_vector(min,1,nlstate);
   if (stepm<=12) stepsize=1;        free_vector(max,1,nlstate);
          free_vector(meandiff,1,nlstate);
   agelim=AGESUP;        return bprlim;
        }
   hstepm=1;    } /* age loop */
   hstepm=hstepm/stepm;      /* After some age loop it doesn't converge */
      printf("Warning: the back stable prevalence at age %d did not converge with the required precision (%g > ftolpl=%g) within %.0f years. Try to lower 'ftolpl'. \n\
   if (popforecast==1) {  Oldest age to start was %d-%d=%d, ncvloop=%d, ncvyear=%d\n", (int)age, maxmax, ftolpl, delaymax, (int)age, (int)delaymax, (int)agefin, ncvloop, *ncvyear);
     if((ficpop=fopen(popfile,"r"))==NULL) {    /* Try to lower 'ftol', for example from 1.e-8 to 6.e-9.\n", ftolpl, (int)age, (int)delaymax, (int)agefin, ncvloop, (int)age-(int)agefin); */
       printf("Problem with population file : %s\n",popfile);exit(0);    free_vector(min,1,nlstate);
     }    free_vector(max,1,nlstate);
     popage=ivector(0,AGESUP);    free_vector(meandiff,1,nlstate);
     popeffectif=vector(0,AGESUP);    
     popcount=vector(0,AGESUP);    return bprlim; /* should not reach here */
      }
     i=1;    
     while ((c=fscanf(ficpop,"%d %lf\n",&popage[i],&popcount[i])) != EOF) i=i+1;  /*************** transition probabilities ***************/ 
      
     imx=i;  double **pmij(double **ps, double *cov, int ncovmodel, double *x, int nlstate )
     for (i=1; i<imx;i++) popeffectif[popage[i]]=popcount[i];  {
   }    /* According to parameters values stored in x and the covariate's values stored in cov,
        computes the probability to be observed in state j being in state i by appying the
   for(cptcov=1;cptcov<=i2;cptcov++){       model to the ncovmodel covariates (including constant and age).
    for(cptcod=1;cptcod<=ncodemax[cptcoveff];cptcod++){       lnpijopii=ln(pij/pii)= aij+bij*age+cij*v1+dij*v2+... = sum_nc=1^ncovmodel xij(nc)*cov[nc]
       k=k+1;       and, according on how parameters are entered, the position of the coefficient xij(nc) of the
       fprintf(ficrespop,"\n#******");       ncth covariate in the global vector x is given by the formula:
       for(j=1;j<=cptcoveff;j++) {       j<i nc+((i-1)*(nlstate+ndeath-1)+j-1)*ncovmodel
         fprintf(ficrespop," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);       j>=i nc + ((i-1)*(nlstate+ndeath-1)+(j-2))*ncovmodel
       }       Computes ln(pij/pii) (lnpijopii), deduces pij/pii by exponentiation,
       fprintf(ficrespop,"******\n");       sums on j different of i to get 1-pii/pii, deduces pii, and then all pij.
       fprintf(ficrespop,"# Age");       Outputs ps[i][j] the probability to be observed in j being in j according to
       for(j=1; j<=nlstate+ndeath;j++) fprintf(ficrespop," P.%d",j);       the values of the covariates cov[nc] and corresponding parameter values x[nc+shiftij]
       if (popforecast==1)  fprintf(ficrespop," [Population]");    */
          double s1, lnpijopii;
       for (cpt=0; cpt<=0;cpt++) {    /*double t34;*/
         fprintf(ficrespop,"\n\n# Forecasting at date %.lf/%.lf/%.lf ",jpyram,mpyram,anpyram+cpt);      int i,j, nc, ii, jj;
          
         for (agedeb=(fage-((int)calagedate %12/12.)); agedeb>=(agemin-((int)calagedate %12)/12.); agedeb--){          for(i=1; i<= nlstate; i++){
           nhstepm=(int) rint((agelim-agedeb)*YEARM/stepm);                  for(j=1; j<i;j++){
           nhstepm = nhstepm/hstepm;                          for (nc=1, lnpijopii=0.;nc <=ncovmodel; nc++){
                                            /*lnpijopii += param[i][j][nc]*cov[nc];*/
           p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);                                  lnpijopii += x[nc+((i-1)*(nlstate+ndeath-1)+j-1)*ncovmodel]*cov[nc];
           oldm=oldms;savm=savms;                                  /*       printf("Int j<i s1=%.17e, lnpijopii=%.17e\n",s1,lnpijopii); */
           hpxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);                            }
                                  ps[i][j]=lnpijopii; /* In fact ln(pij/pii) */
           for (h=0; h<=nhstepm; h++){                          /*      printf("s1=%.17e, lnpijopii=%.17e\n",s1,lnpijopii); */
             if (h==(int) (calagedate+YEARM*cpt)) {                  }
               fprintf(ficrespop,"\n %3.f ",agedeb+h*hstepm/YEARM*stepm);                  for(j=i+1; j<=nlstate+ndeath;j++){
             }                          for (nc=1, lnpijopii=0.;nc <=ncovmodel; nc++){
             for(j=1; j<=nlstate+ndeath;j++) {                                  /*lnpijopii += x[(i-1)*nlstate*ncovmodel+(j-2)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];*/
               kk1=0.;kk2=0;                                  lnpijopii += x[nc + ((i-1)*(nlstate+ndeath-1)+(j-2))*ncovmodel]*cov[nc];
               for(i=1; i<=nlstate;i++) {                                                /*        printf("Int j>i s1=%.17e, lnpijopii=%.17e %lx %lx\n",s1,lnpijopii,s1,lnpijopii); */
                 if (mobilav==1)                          }
                   kk1=kk1+p3mat[i][j][h]*mobaverage[(int)agedeb+1][i][cptcod];                          ps[i][j]=lnpijopii; /* In fact ln(pij/pii) */
                 else {                  }
                   kk1=kk1+p3mat[i][j][h]*probs[(int)(agedeb+1)][i][cptcod];          }
                 }    
               }          for(i=1; i<= nlstate; i++){
               if (h==(int)(calagedate+12*cpt)){                  s1=0;
                 tabpop[(int)(agedeb)][j][cptcod]=kk1;                  for(j=1; j<i; j++){
                   /*fprintf(ficrespop," %.3f", kk1);                          s1+=exp(ps[i][j]); /* In fact sums pij/pii */
                     if (popforecast==1) fprintf(ficrespop," [%.f]", kk1*popeffectif[(int)agedeb+1]);*/                          /*printf("debug1 %d %d ps=%lf exp(ps)=%lf s1+=%lf\n",i,j,ps[i][j],exp(ps[i][j]),s1); */
               }                  }
             }                  for(j=i+1; j<=nlstate+ndeath; j++){
             for(i=1; i<=nlstate;i++){                          s1+=exp(ps[i][j]); /* In fact sums pij/pii */
               kk1=0.;                          /*printf("debug2 %d %d ps=%lf exp(ps)=%lf s1+=%lf\n",i,j,ps[i][j],exp(ps[i][j]),s1); */
                 for(j=1; j<=nlstate;j++){                  }
                   kk1= kk1+tabpop[(int)(agedeb)][j][cptcod];                  /* s1= sum_{j<>i} pij/pii=(1-pii)/pii and thus pii is known from s1 */
                 }                  ps[i][i]=1./(s1+1.);
                   tabpopprev[(int)(agedeb)][i][cptcod]=tabpop[(int)(agedeb)][i][cptcod]/kk1*popeffectif[(int)(agedeb+(calagedate+12*cpt)*hstepm/YEARM*stepm-1)];                  /* Computing other pijs */
             }                  for(j=1; j<i; j++)
                           ps[i][j]= exp(ps[i][j])*ps[i][i];
             if (h==(int)(calagedate+12*cpt)) for(j=1; j<=nlstate;j++)                  for(j=i+1; j<=nlstate+ndeath; j++)
               fprintf(ficrespop," %15.2f",tabpopprev[(int)(agedeb+1)][j][cptcod]);                          ps[i][j]= exp(ps[i][j])*ps[i][i];
           }                  /* ps[i][nlstate+1]=1.-s1- ps[i][i];*/ /* Sum should be 1 */
           free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);          } /* end i */
         }    
       }          for(ii=nlstate+1; ii<= nlstate+ndeath; ii++){
                    for(jj=1; jj<= nlstate+ndeath; jj++){
   /******/                          ps[ii][jj]=0;
                           ps[ii][ii]=1;
       for (cpt=1; cpt<=(anpyram1-anpyram);cpt++) {                  }
         fprintf(ficrespop,"\n\n# Forecasting at date %.lf/%.lf/%.lf ",jpyram,mpyram,anpyram+cpt);            }
         for (agedeb=(fage-((int)calagedate %12/12.)); agedeb>=(agemin-((int)calagedate %12)/12.); agedeb--){    
           nhstepm=(int) rint((agelim-agedeb)*YEARM/stepm);    
           nhstepm = nhstepm/hstepm;          /* for(ii=1; ii<= nlstate+ndeath; ii++){ */
                    /*   for(jj=1; jj<= nlstate+ndeath; jj++){ */
           p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);          /*      printf(" pmij  ps[%d][%d]=%lf ",ii,jj,ps[ii][jj]); */
           oldm=oldms;savm=savms;          /*   } */
           hpxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);            /*   printf("\n "); */
           for (h=0; h<=nhstepm; h++){          /* } */
             if (h==(int) (calagedate+YEARM*cpt)) {          /* printf("\n ");printf("%lf ",cov[2]);*/
               fprintf(ficresf,"\n %3.f ",agedeb+h*hstepm/YEARM*stepm);          /*
             }                  for(i=1; i<= npar; i++) printf("%f ",x[i]);
             for(j=1; j<=nlstate+ndeath;j++) {                  goto end;*/
               kk1=0.;kk2=0;          return ps;
               for(i=1; i<=nlstate;i++) {                }
                 kk1=kk1+p3mat[i][j][h]*tabpopprev[(int)agedeb+1][i][cptcod];      
               }  /*************** backward transition probabilities ***************/ 
               if (h==(int)(calagedate+12*cpt)) fprintf(ficresf," %15.2f", kk1);  
             }   /* double **bmij(double **ps, double *cov, int ncovmodel, double *x, int nlstate,  double ***prevacurrent, double ageminpar, double agemaxpar, double ***dnewm, double **doldm, double **dsavm, int ij ) */
           }  /* double **bmij(double **ps, double *cov, int ncovmodel, double *x, int nlstate,  double ***prevacurrent, double ***dnewm, double **doldm, double **dsavm, int ij ) */
           free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);   double **bmij(double **ps, double *cov, int ncovmodel, double *x, int nlstate,  double ***prevacurrent, int ij )
         }  {
       }          /* Computes the backward probability at age agefin and covariate ij
    }           * and returns in **ps as well as **bmij.
   }           */
      int i, ii, j,k;
   if (mobilav==1) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX);  
           double **out, **pmij();
   if (popforecast==1) {          double sumnew=0.;
     free_ivector(popage,0,AGESUP);    double agefin;
     free_vector(popeffectif,0,AGESUP);  
     free_vector(popcount,0,AGESUP);          double **dnewm, **dsavm, **doldm;
   }          double **bbmij;
   free_ma3x(tabpop,1, AGESUP,1,NCOVMAX, 1,NCOVMAX);  
   free_ma3x(tabpopprev,1, AGESUP,1,NCOVMAX, 1,NCOVMAX);    doldm=ddoldms; /* global pointers */
   fclose(ficrespop);          dnewm=ddnewms;
 }          dsavm=ddsavms;
   
 /***********************************************/          agefin=cov[2];
 /**************** Main Program *****************/          /* bmij *//* age is cov[2], ij is included in cov, but we need for
 /***********************************************/                   the observed prevalence (with this covariate ij) */
           dsavm=pmij(pmmij,cov,ncovmodel,x,nlstate);
 int main(int argc, char *argv[])          /* We do have the matrix Px in savm  and we need pij */
 {          for (j=1;j<=nlstate+ndeath;j++){
                   sumnew=0.; /* w1 p11 + w2 p21 only on live states */
   int i,j, k, n=MAXN,iter,m,size,cptcode, cptcod;                  for (ii=1;ii<=nlstate;ii++){
   double agedeb, agefin,hf;                          sumnew+=dsavm[ii][j]*prevacurrent[(int)agefin][ii][ij];
   double agemin=1.e20, agemaxpar=-1.e20, agemax=-1.e20;                  } /* sumnew is (N11+N21)/N..= N.1/N.. = sum on i of w_i pij */
                   for (ii=1;ii<=nlstate+ndeath;ii++){
   double fret;                          if(sumnew >= 1.e-10){
   double **xi,tmp,delta;                                  /* if(agefin >= agemaxpar && agefin <= agemaxpar+stepm/YEARM){ */
                                   /*      doldm[ii][j]=(ii==j ? 1./sumnew : 0.0); */
   double dum; /* Dummy variable */                                  /* }else if(agefin >= agemaxpar+stepm/YEARM){ */
   double ***p3mat;                                  /*      doldm[ii][j]=(ii==j ? 1./sumnew : 0.0); */
   int *indx;                                  /* }else */
   char line[MAXLINE], linepar[MAXLINE];                                          doldm[ii][j]=(ii==j ? 1./sumnew : 0.0);
   char title[MAXLINE];                          }else{
   char optionfile[FILENAMELENGTH], datafile[FILENAMELENGTH],  filerespl[FILENAMELENGTH];                                  printf("ii=%d, i=%d, doldm=%lf dsavm=%lf, probs=%lf, sumnew=%lf,agefin=%d\n",ii,j,doldm[ii][j],dsavm[ii][j],prevacurrent[(int)agefin][ii][ij],sumnew, (int)agefin);
   char optionfilext[10], optionfilefiname[FILENAMELENGTH], optionfilehtm[FILENAMELENGTH], optionfilegnuplot[FILENAMELENGTH], plotcmd[FILENAMELENGTH];                          }
                    } /*End ii */
   char fileres[FILENAMELENGTH], filerespij[FILENAMELENGTH], filereso[FILENAMELENGTH], rfileres[FILENAMELENGTH];          } /* End j, At the end doldm is diag[1/(w_1p1i+w_2 p2i)] */
                   /* left Product of this diag matrix by dsavm=Px (newm=dsavm*doldm) */
   char filerest[FILENAMELENGTH];          bbmij=matprod2(dnewm, dsavm,1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, doldm); /* Bug Valgrind */
   char fileregp[FILENAMELENGTH];          /* dsavm=doldm; /\* dsavm is now diag [1/(w_1p1i+w_2 p2i)] but can be overwritten*\/ */
   char popfile[FILENAMELENGTH];          /* doldm=dnewm; /\* doldm is now Px * diag [1/(w_1p1i+w_2 p2i)] *\/ */
   char path[80],pathc[80],pathcd[80],pathtot[80],model[20];          /* dnewm=dsavm; /\* doldm is now Px * diag [1/(w_1p1i+w_2 p2i)] *\/ */
   int firstobs=1, lastobs=10;          /* left Product of this matrix by diag matrix of prevalences (savm) */
   int sdeb, sfin; /* Status at beginning and end */          for (j=1;j<=nlstate+ndeath;j++){
   int c,  h , cpt,l;                  for (ii=1;ii<=nlstate+ndeath;ii++){
   int ju,jl, mi;                          dsavm[ii][j]=(ii==j ? prevacurrent[(int)agefin][ii][ij] : 0.0);
   int i1,j1, k1,k2,k3,jk,aa,bb, stepsize, ij;                  }
   int jnais,jdc,jint4,jint1,jint2,jint3,**outcome,**adl,*tab;          } /* End j, At the end oldm is diag[1/(w_1p1i+w_2 p2i)] */
   int mobilav=0,popforecast=0;          ps=matprod2(doldm, dsavm,1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, dnewm); /* Bug Valgrind */
   int hstepm, nhstepm;          /* newm or out is now diag[w_i] * Px * diag [1/(w_1p1i+w_2 p2i)] */
   double jprev1, mprev1,anprev1,jprev2, mprev2,anprev2,jpyram, mpyram,anpyram,jpyram1, mpyram1,anpyram1;          /* end bmij */
           return ps; 
   double bage, fage, age, agelim, agebase;  }
   double ftolpl=FTOL;  /*************** transition probabilities ***************/ 
   double **prlim;  
   double *severity;  double **bpmij(double **ps, double *cov, int ncovmodel, double *x, int nlstate )
   double ***param; /* Matrix of parameters */  {
   double  *p;    /* According to parameters values stored in x and the covariate's values stored in cov,
   double **matcov; /* Matrix of covariance */       computes the probability to be observed in state j being in state i by appying the
   double ***delti3; /* Scale */       model to the ncovmodel covariates (including constant and age).
   double *delti; /* Scale */       lnpijopii=ln(pij/pii)= aij+bij*age+cij*v1+dij*v2+... = sum_nc=1^ncovmodel xij(nc)*cov[nc]
   double ***eij, ***vareij;       and, according on how parameters are entered, the position of the coefficient xij(nc) of the
   double **varpl; /* Variances of prevalence limits by age */       ncth covariate in the global vector x is given by the formula:
   double *epj, vepp;       j<i nc+((i-1)*(nlstate+ndeath-1)+j-1)*ncovmodel
   double kk1, kk2;       j>=i nc + ((i-1)*(nlstate+ndeath-1)+(j-2))*ncovmodel
   double dateprev1, dateprev2,jproj1,mproj1,anproj1,jproj2,mproj2,anproj2;       Computes ln(pij/pii) (lnpijopii), deduces pij/pii by exponentiation,
         sums on j different of i to get 1-pii/pii, deduces pii, and then all pij.
        Outputs ps[i][j] the probability to be observed in j being in j according to
   char version[80]="Imach version 0.71, February 2002, INED-EUROREVES ";       the values of the covariates cov[nc] and corresponding parameter values x[nc+shiftij]
   char *alph[]={"a","a","b","c","d","e"}, str[4];    */
     double s1, lnpijopii;
     /*double t34;*/
   char z[1]="c", occ;    int i,j, nc, ii, jj;
 #include <sys/time.h>  
 #include <time.h>          for(i=1; i<= nlstate; i++){
   char stra[80], strb[80], strc[80], strd[80],stre[80],modelsav[80];                  for(j=1; j<i;j++){
                            for (nc=1, lnpijopii=0.;nc <=ncovmodel; nc++){
   /* long total_usecs;                                  /*lnpijopii += param[i][j][nc]*cov[nc];*/
   struct timeval start_time, end_time;                                  lnpijopii += x[nc+((i-1)*(nlstate+ndeath-1)+j-1)*ncovmodel]*cov[nc];
                                    /*       printf("Int j<i s1=%.17e, lnpijopii=%.17e\n",s1,lnpijopii); */
   gettimeofday(&start_time, (struct timezone*)0); */ /* at first time */                          }
                           ps[i][j]=lnpijopii; /* In fact ln(pij/pii) */
                           /*      printf("s1=%.17e, lnpijopii=%.17e\n",s1,lnpijopii); */
   printf("\n%s",version);                  }
   if(argc <=1){                  for(j=i+1; j<=nlstate+ndeath;j++){
     printf("\nEnter the parameter file name: ");                          for (nc=1, lnpijopii=0.;nc <=ncovmodel; nc++){
     scanf("%s",pathtot);                                  /*lnpijopii += x[(i-1)*nlstate*ncovmodel+(j-2)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];*/
   }                                  lnpijopii += x[nc + ((i-1)*(nlstate+ndeath-1)+(j-2))*ncovmodel]*cov[nc];
   else{                                  /*        printf("Int j>i s1=%.17e, lnpijopii=%.17e %lx %lx\n",s1,lnpijopii,s1,lnpijopii); */
     strcpy(pathtot,argv[1]);                          }
   }                          ps[i][j]=lnpijopii; /* In fact ln(pij/pii) */
   /*if(getcwd(pathcd, 80)!= NULL)printf ("Error pathcd\n");*/                  }
   /*cygwin_split_path(pathtot,path,optionfile);          }
     printf("pathtot=%s, path=%s, optionfile=%s\n",pathtot,path,optionfile);*/          
   /* cutv(path,optionfile,pathtot,'\\');*/          for(i=1; i<= nlstate; i++){
                   s1=0;
   split(pathtot,path,optionfile,optionfilext,optionfilefiname);                  for(j=1; j<i; j++){
    printf("pathtot=%s, path=%s, optionfile=%s optionfilext=%s optionfilefiname=%s\n",pathtot,path,optionfile,optionfilext,optionfilefiname);                          s1+=exp(ps[i][j]); /* In fact sums pij/pii */
   chdir(path);                          /*printf("debug1 %d %d ps=%lf exp(ps)=%lf s1+=%lf\n",i,j,ps[i][j],exp(ps[i][j]),s1); */
   replace(pathc,path);                  }
                   for(j=i+1; j<=nlstate+ndeath; j++){
 /*-------- arguments in the command line --------*/                          s1+=exp(ps[i][j]); /* In fact sums pij/pii */
                           /*printf("debug2 %d %d ps=%lf exp(ps)=%lf s1+=%lf\n",i,j,ps[i][j],exp(ps[i][j]),s1); */
   strcpy(fileres,"r");                  }
   strcat(fileres, optionfilefiname);                  /* s1= sum_{j<>i} pij/pii=(1-pii)/pii and thus pii is known from s1 */
   strcat(fileres,".txt");    /* Other files have txt extension */                  ps[i][i]=1./(s1+1.);
                   /* Computing other pijs */
   /*---------arguments file --------*/                  for(j=1; j<i; j++)
                           ps[i][j]= exp(ps[i][j])*ps[i][i];
   if((ficpar=fopen(optionfile,"r"))==NULL)    {                  for(j=i+1; j<=nlstate+ndeath; j++)
     printf("Problem with optionfile %s\n",optionfile);                          ps[i][j]= exp(ps[i][j])*ps[i][i];
     goto end;                  /* ps[i][nlstate+1]=1.-s1- ps[i][i];*/ /* Sum should be 1 */
   }          } /* end i */
           
   strcpy(filereso,"o");          for(ii=nlstate+1; ii<= nlstate+ndeath; ii++){
   strcat(filereso,fileres);                  for(jj=1; jj<= nlstate+ndeath; jj++){
   if((ficparo=fopen(filereso,"w"))==NULL) {                          ps[ii][jj]=0;
     printf("Problem with Output resultfile: %s\n", filereso);goto end;                          ps[ii][ii]=1;
   }                  }
           }
   /* Reads comments: lines beginning with '#' */          /* Added for backcast */ /* Transposed matrix too */
   while((c=getc(ficpar))=='#' && c!= EOF){          for(jj=1; jj<= nlstate+ndeath; jj++){
     ungetc(c,ficpar);                  s1=0.;
     fgets(line, MAXLINE, ficpar);                  for(ii=1; ii<= nlstate+ndeath; ii++){
     puts(line);                          s1+=ps[ii][jj];
     fputs(line,ficparo);                  }
   }                  for(ii=1; ii<= nlstate; ii++){
   ungetc(c,ficpar);                          ps[ii][jj]=ps[ii][jj]/s1;
                   }
   fscanf(ficpar,"title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\nftol=%lf stepm=%d ncov=%d nlstate=%d ndeath=%d maxwav=%d mle=%d weight=%d\nmodel=%s\n",title, datafile, &lastobs, &firstpass,&lastpass,&ftol, &stepm, &ncov, &nlstate,&ndeath, &maxwav, &mle, &weightopt,model);          }
   printf("title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\nftol=%e stepm=%d ncov=%d nlstate=%d ndeath=%d maxwav=%d mle=%d weight=%d\nmodel=%s\n", title, datafile, lastobs, firstpass,lastpass,ftol, stepm, ncov, nlstate,ndeath, maxwav, mle, weightopt,model);          /* Transposition */
   fprintf(ficparo,"title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\nftol=%e stepm=%d ncov=%d nlstate=%d ndeath=%d maxwav=%d mle=%d weight=%d\nmodel=%s\n", title, datafile, lastobs, firstpass,lastpass,ftol,stepm,ncov,nlstate,ndeath,maxwav, mle, weightopt,model);          for(jj=1; jj<= nlstate+ndeath; jj++){
 while((c=getc(ficpar))=='#' && c!= EOF){                  for(ii=jj; ii<= nlstate+ndeath; ii++){
     ungetc(c,ficpar);                          s1=ps[ii][jj];
     fgets(line, MAXLINE, ficpar);                          ps[ii][jj]=ps[jj][ii];
     puts(line);                          ps[jj][ii]=s1;
     fputs(line,ficparo);                  }
   }          }
   ungetc(c,ficpar);          /* for(ii=1; ii<= nlstate+ndeath; ii++){ */
            /*   for(jj=1; jj<= nlstate+ndeath; jj++){ */
              /*      printf(" pmij  ps[%d][%d]=%lf ",ii,jj,ps[ii][jj]); */
   covar=matrix(0,NCOVMAX,1,n);          /*   } */
   cptcovn=0;          /*   printf("\n "); */
   if (strlen(model)>1) cptcovn=nbocc(model,'+')+1;          /* } */
           /* printf("\n ");printf("%lf ",cov[2]);*/
   ncovmodel=2+cptcovn;          /*
   nvar=ncovmodel-1; /* Suppressing age as a basic covariate */                  for(i=1; i<= npar; i++) printf("%f ",x[i]);
                    goto end;*/
   /* Read guess parameters */          return ps;
   /* Reads comments: lines beginning with '#' */  }
   while((c=getc(ficpar))=='#' && c!= EOF){  
     ungetc(c,ficpar);  
     fgets(line, MAXLINE, ficpar);  /**************** Product of 2 matrices ******************/
     puts(line);  
     fputs(line,ficparo);  double **matprod2(double **out, double **in,int nrl, int nrh, int ncl, int nch, int ncolol, int ncoloh, double **b)
   }  {
   ungetc(c,ficpar);    /* Computes the matrix product of in(1,nrh-nrl+1)(1,nch-ncl+1) times
         b(1,nch-ncl+1)(1,ncoloh-ncolol+1) into out(...) */
   param= ma3x(1,nlstate,1,nlstate+ndeath-1,1,ncovmodel);    /* in, b, out are matrice of pointers which should have been initialized 
     for(i=1; i <=nlstate; i++)       before: only the contents of out is modified. The function returns
     for(j=1; j <=nlstate+ndeath-1; j++){       a pointer to pointers identical to out */
       fscanf(ficpar,"%1d%1d",&i1,&j1);    int i, j, k;
       fprintf(ficparo,"%1d%1d",i1,j1);    for(i=nrl; i<= nrh; i++)
       printf("%1d%1d",i,j);      for(k=ncolol; k<=ncoloh; k++){
       for(k=1; k<=ncovmodel;k++){        out[i][k]=0.;
         fscanf(ficpar," %lf",&param[i][j][k]);        for(j=ncl; j<=nch; j++)
         printf(" %lf",param[i][j][k]);          out[i][k] +=in[i][j]*b[j][k];
         fprintf(ficparo," %lf",param[i][j][k]);      }
       }    return out;
       fscanf(ficpar,"\n");  }
       printf("\n");  
       fprintf(ficparo,"\n");  
     }  /************* Higher Matrix Product ***************/
    
     npar= (nlstate+ndeath-1)*nlstate*ncovmodel;  double ***hpxij(double ***po, int nhstepm, double age, int hstepm, double *x, int nlstate, int stepm, double **oldm, double **savm, int ij )
   {
   p=param[1][1];    /* Computes the transition matrix starting at age 'age' and combination of covariate values corresponding to ij over 
         'nhstepm*hstepm*stepm' months (i.e. until
   /* Reads comments: lines beginning with '#' */       age (in years)  age+nhstepm*hstepm*stepm/12) by multiplying 
   while((c=getc(ficpar))=='#' && c!= EOF){       nhstepm*hstepm matrices. 
     ungetc(c,ficpar);       Output is stored in matrix po[i][j][h] for h every 'hstepm' step 
     fgets(line, MAXLINE, ficpar);       (typically every 2 years instead of every month which is too big 
     puts(line);       for the memory).
     fputs(line,ficparo);       Model is determined by parameters x and covariates have to be 
   }       included manually here. 
   ungetc(c,ficpar);  
        */
   delti3= ma3x(1,nlstate,1,nlstate+ndeath-1,1,ncovmodel);  
   delti=vector(1,npar); /* Scale of each paramater (output from hesscov) */    int i, j, d, h, k;
   for(i=1; i <=nlstate; i++){    double **out, cov[NCOVMAX+1];
     for(j=1; j <=nlstate+ndeath-1; j++){    double **newm;
       fscanf(ficpar,"%1d%1d",&i1,&j1);    double agexact;
       printf("%1d%1d",i,j);    double agebegin, ageend;
       fprintf(ficparo,"%1d%1d",i1,j1);  
       for(k=1; k<=ncovmodel;k++){    /* Hstepm could be zero and should return the unit matrix */
         fscanf(ficpar,"%le",&delti3[i][j][k]);    for (i=1;i<=nlstate+ndeath;i++)
         printf(" %le",delti3[i][j][k]);      for (j=1;j<=nlstate+ndeath;j++){
         fprintf(ficparo," %le",delti3[i][j][k]);        oldm[i][j]=(i==j ? 1.0 : 0.0);
       }        po[i][j][0]=(i==j ? 1.0 : 0.0);
       fscanf(ficpar,"\n");      }
       printf("\n");    /* Even if hstepm = 1, at least one multiplication by the unit matrix */
       fprintf(ficparo,"\n");    for(h=1; h <=nhstepm; h++){
     }      for(d=1; d <=hstepm; d++){
   }        newm=savm;
   delti=delti3[1][1];        /* Covariates have to be included here again */
          cov[1]=1.;
   /* Reads comments: lines beginning with '#' */        agexact=age+((h-1)*hstepm + (d-1))*stepm/YEARM; /* age just before transition */
   while((c=getc(ficpar))=='#' && c!= EOF){        cov[2]=agexact;
     ungetc(c,ficpar);        if(nagesqr==1)
     fgets(line, MAXLINE, ficpar);                                  cov[3]= agexact*agexact;
     puts(line);        for (k=1; k<=cptcovn;k++) 
     fputs(line,ficparo);                                  cov[2+nagesqr+k]=nbcode[Tvar[k]][codtabm(ij,k)];
   }                          /* cov[2+nagesqr+k]=nbcode[Tvar[k]][codtabm(ij,Tvar[k])]; */
   ungetc(c,ficpar);        for (k=1; k<=cptcovage;k++) /* Should start at cptcovn+1 */
                                    /* cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2]; */
   matcov=matrix(1,npar,1,npar);                                  cov[2+nagesqr+Tage[k]]=nbcode[Tvar[Tage[k]]][codtabm(ij,k)]*cov[2];
   for(i=1; i <=npar; i++){                          /* cov[2+nagesqr+Tage[k]]=nbcode[Tvar[Tage[k]]][codtabm(ij,Tvar[Tage[k]])]*cov[2]; */
     fscanf(ficpar,"%s",&str);        for (k=1; k<=cptcovprod;k++) /* Useless because included in cptcovn */
     printf("%s",str);                                  cov[2+nagesqr+Tprod[k]]=nbcode[Tvard[k][1]][codtabm(ij,k)]*nbcode[Tvard[k][2]][codtabm(ij,k)];
     fprintf(ficparo,"%s",str);                          /* cov[2+nagesqr+Tprod[k]]=nbcode[Tvard[k][1]][codtabm(ij,Tvard[k][1])]*nbcode[Tvard[k][2]][codtabm(ij,Tvard[k][2])]; */
     for(j=1; j <=i; j++){  
       fscanf(ficpar," %le",&matcov[i][j]);  
       printf(" %.5le",matcov[i][j]);        /*printf("hxi cptcov=%d cptcode=%d\n",cptcov,cptcode);*/
       fprintf(ficparo," %.5le",matcov[i][j]);        /*printf("h=%d d=%d age=%f cov=%f\n",h,d,age,cov[2]);*/
     }                          /* right multiplication of oldm by the current matrix */
     fscanf(ficpar,"\n");        out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, 
     printf("\n");                     pmij(pmmij,cov,ncovmodel,x,nlstate));
     fprintf(ficparo,"\n");        /* if((int)age == 70){ */
   }        /*        printf(" Forward hpxij age=%d agexact=%f d=%d nhstepm=%d hstepm=%d\n", (int) age, agexact, d, nhstepm, hstepm); */
   for(i=1; i <=npar; i++)        /*        for(i=1; i<=nlstate+ndeath; i++) { */
     for(j=i+1;j<=npar;j++)        /*          printf("%d pmmij ",i); */
       matcov[i][j]=matcov[j][i];        /*          for(j=1;j<=nlstate+ndeath;j++) { */
            /*            printf("%f ",pmmij[i][j]); */
   printf("\n");        /*          } */
         /*          printf(" oldm "); */
         /*          for(j=1;j<=nlstate+ndeath;j++) { */
     /*-------- Rewriting paramater file ----------*/        /*            printf("%f ",oldm[i][j]); */
      strcpy(rfileres,"r");    /* "Rparameterfile */        /*          } */
      strcat(rfileres,optionfilefiname);    /* Parameter file first name*/        /*          printf("\n"); */
      strcat(rfileres,".");    /* */        /*        } */
      strcat(rfileres,optionfilext);    /* Other files have txt extension */        /* } */
     if((ficres =fopen(rfileres,"w"))==NULL) {        savm=oldm;
       printf("Problem writing new parameter file: %s\n", fileres);goto end;        oldm=newm;
     }      }
     fprintf(ficres,"#%s\n",version);      for(i=1; i<=nlstate+ndeath; i++)
            for(j=1;j<=nlstate+ndeath;j++) {
     /*-------- data file ----------*/                                  po[i][j][h]=newm[i][j];
     if((fic=fopen(datafile,"r"))==NULL)    {                                  /*if(h==nhstepm) printf("po[%d][%d][%d]=%f ",i,j,h,po[i][j][h]);*/
       printf("Problem with datafile: %s\n", datafile);goto end;        }
     }      /*printf("h=%d ",h);*/
     } /* end h */
     n= lastobs;          /*     printf("\n H=%d \n",h); */
     severity = vector(1,maxwav);    return po;
     outcome=imatrix(1,maxwav+1,1,n);  }
     num=ivector(1,n);  
     moisnais=vector(1,n);  /************* Higher Back Matrix Product ***************/
     annais=vector(1,n);  /* double ***hbxij(double ***po, int nhstepm, double age, int hstepm, double *x, double ***prevacurrent, int nlstate, int stepm, double **oldm, double **savm, double **dnewm, double **doldm, double **dsavm, int ij ) */
     moisdc=vector(1,n);   double ***hbxij(double ***po, int nhstepm, double age, int hstepm, double *x, double ***prevacurrent, int nlstate, int stepm, int ij )
     andc=vector(1,n);  {
     agedc=vector(1,n);    /* Computes the transition matrix starting at age 'age' over
     cod=ivector(1,n);       'nhstepm*hstepm*stepm' months (i.e. until
     weight=vector(1,n);       age (in years)  age+nhstepm*hstepm*stepm/12) by multiplying
     for(i=1;i<=n;i++) weight[i]=1.0; /* Equal weights, 1 by default */       nhstepm*hstepm matrices.
     mint=matrix(1,maxwav,1,n);       Output is stored in matrix po[i][j][h] for h every 'hstepm' step
     anint=matrix(1,maxwav,1,n);       (typically every 2 years instead of every month which is too big
     s=imatrix(1,maxwav+1,1,n);       for the memory).
     adl=imatrix(1,maxwav+1,1,n);           Model is determined by parameters x and covariates have to be
     tab=ivector(1,NCOVMAX);       included manually here.
     ncodemax=ivector(1,8);  
        */
     i=1;  
     while (fgets(line, MAXLINE, fic) != NULL)    {    int i, j, d, h, k;
       if ((i >= firstobs) && (i <=lastobs)) {    double **out, cov[NCOVMAX+1];
            double **newm;
         for (j=maxwav;j>=1;j--){    double agexact;
           cutv(stra, strb,line,' '); s[j][i]=atoi(strb);    double agebegin, ageend;
           strcpy(line,stra);          double **oldm, **savm;
           cutv(stra, strb,line,'/'); anint[j][i]=(double)(atoi(strb)); strcpy(line,stra);  
           cutv(stra, strb,line,' '); mint[j][i]=(double)(atoi(strb)); strcpy(line,stra);          oldm=oldms;savm=savms;
         }    /* Hstepm could be zero and should return the unit matrix */
            for (i=1;i<=nlstate+ndeath;i++)
         cutv(stra, strb,line,'/'); andc[i]=(double)(atoi(strb)); strcpy(line,stra);      for (j=1;j<=nlstate+ndeath;j++){
         cutv(stra, strb,line,' '); moisdc[i]=(double)(atoi(strb)); strcpy(line,stra);        oldm[i][j]=(i==j ? 1.0 : 0.0);
         po[i][j][0]=(i==j ? 1.0 : 0.0);
         cutv(stra, strb,line,'/'); annais[i]=(double)(atoi(strb)); strcpy(line,stra);      }
         cutv(stra, strb,line,' '); moisnais[i]=(double)(atoi(strb)); strcpy(line,stra);    /* Even if hstepm = 1, at least one multiplication by the unit matrix */
     for(h=1; h <=nhstepm; h++){
         cutv(stra, strb,line,' '); weight[i]=(double)(atoi(strb)); strcpy(line,stra);      for(d=1; d <=hstepm; d++){
         for (j=ncov;j>=1;j--){        newm=savm;
           cutv(stra, strb,line,' '); covar[j][i]=(double)(atoi(strb)); strcpy(line,stra);        /* Covariates have to be included here again */
         }        cov[1]=1.;
         num[i]=atol(stra);        agexact=age-((h-1)*hstepm + (d-1))*stepm/YEARM; /* age just before transition */
                /* agexact=age+((h-1)*hstepm + (d-1))*stepm/YEARM; /\* age just before transition *\/ */
         /*if((s[2][i]==2) && (s[3][i]==-1)&&(s[4][i]==9)){        cov[2]=agexact;
           printf("%d %.lf %.lf %.lf %.lf/%.lf %.lf/%.lf %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d\n",num[i],(covar[1][i]), (covar[2][i]),weight[i], (moisnais[i]), (annais[i]), (moisdc[i]), (andc[i]), (mint[1][i]), (anint[1][i]), (s[1][i]),  (mint[2][i]), (anint[2][i]), (s[2][i]),  (mint[3][i]), (anint[3][i]), (s[3][i]),  (mint[4][i]), (anint[4][i]), (s[4][i])); ij=ij+1;}*/        if(nagesqr==1)
                                   cov[3]= agexact*agexact;
         i=i+1;        for (k=1; k<=cptcovn;k++)
       }                                  cov[2+nagesqr+k]=nbcode[Tvar[k]][codtabm(ij,k)];
     }                          /* cov[2+nagesqr+k]=nbcode[Tvar[k]][codtabm(ij,Tvar[k])]; */
     /* printf("ii=%d", ij);        for (k=1; k<=cptcovage;k++) /* Should start at cptcovn+1 */
        scanf("%d",i);*/                                  /* cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2]; */
   imx=i-1; /* Number of individuals */                                  cov[2+nagesqr+Tage[k]]=nbcode[Tvar[Tage[k]]][codtabm(ij,k)]*cov[2];
                           /* cov[2+nagesqr+Tage[k]]=nbcode[Tvar[Tage[k]]][codtabm(ij,Tvar[Tage[k]])]*cov[2]; */
   /* for (i=1; i<=imx; i++){        for (k=1; k<=cptcovprod;k++) /* Useless because included in cptcovn */
     if ((s[1][i]==3) && (s[2][i]==2)) s[2][i]=3;                                  cov[2+nagesqr+Tprod[k]]=nbcode[Tvard[k][1]][codtabm(ij,k)]*nbcode[Tvard[k][2]][codtabm(ij,k)];
     if ((s[2][i]==3) && (s[3][i]==2)) s[3][i]=3;                          /* cov[2+nagesqr+Tprod[k]]=nbcode[Tvard[k][1]][codtabm(ij,Tvard[k][1])]*nbcode[Tvard[k][2]][codtabm(ij,Tvard[k][2])]; */
     if ((s[3][i]==3) && (s[4][i]==2)) s[4][i]=3;                          
     }                          
         /*printf("hxi cptcov=%d cptcode=%d\n",cptcov,cptcode);*/
     for (i=1; i<=imx; i++)        /*printf("h=%d d=%d age=%f cov=%f\n",h,d,age,cov[2]);*/
     if (covar[1][i]==0) printf("%d %.lf %.lf %.lf %.lf/%.lf %.lf/%.lf %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d\n",num[i],(covar[1][i]), (covar[2][i]), (weight[i]), (moisnais[i]), (annais[i]), (moisdc[i]), (andc[i]), (mint[1][i]), (anint[1][i]), (s[1][i]),  (mint[2][i]), (anint[2][i]), (s[2][i]),  (mint[3][i]), (anint[3][i]), (s[3][i]),  (mint[4][i]), (anint[4][i]), (s[4][i]));*/        /* Careful transposed matrix */
                           /* age is in cov[2] */
   /* Calculation of the number of parameter from char model*/        /* out=matprod2(newm, bmij(pmmij,cov,ncovmodel,x,nlstate,prevacurrent, dnewm, doldm, dsavm,ij),\ */
   Tvar=ivector(1,15);                          /*                                               1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm); */
   Tprod=ivector(1,15);        out=matprod2(newm, bmij(pmmij,cov,ncovmodel,x,nlstate,prevacurrent,ij),\
   Tvaraff=ivector(1,15);                                                                           1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm);
   Tvard=imatrix(1,15,1,2);        /* if((int)age == 70){ */
   Tage=ivector(1,15);              /*        printf(" Backward hbxij age=%d agexact=%f d=%d nhstepm=%d hstepm=%d\n", (int) age, agexact, d, nhstepm, hstepm); */
            /*        for(i=1; i<=nlstate+ndeath; i++) { */
   if (strlen(model) >1){        /*          printf("%d pmmij ",i); */
     j=0, j1=0, k1=1, k2=1;        /*          for(j=1;j<=nlstate+ndeath;j++) { */
     j=nbocc(model,'+');        /*            printf("%f ",pmmij[i][j]); */
     j1=nbocc(model,'*');        /*          } */
     cptcovn=j+1;        /*          printf(" oldm "); */
     cptcovprod=j1;        /*          for(j=1;j<=nlstate+ndeath;j++) { */
            /*            printf("%f ",oldm[i][j]); */
            /*          } */
     strcpy(modelsav,model);        /*          printf("\n"); */
     if ((strcmp(model,"age")==0) || (strcmp(model,"age*age")==0)){        /*        } */
       printf("Error. Non available option model=%s ",model);        /* } */
       goto end;        savm=oldm;
     }        oldm=newm;
          }
     for(i=(j+1); i>=1;i--){      for(i=1; i<=nlstate+ndeath; i++)
       cutv(stra,strb,modelsav,'+');        for(j=1;j<=nlstate+ndeath;j++) {
       if (nbocc(modelsav,'+')==0) strcpy(strb,modelsav);                                  po[i][j][h]=newm[i][j];
       /*      printf("i=%d a=%s b=%s sav=%s\n",i, stra,strb,modelsav);*/                                  /*if(h==nhstepm) printf("po[%d][%d][%d]=%f ",i,j,h,po[i][j][h]);*/
       /*scanf("%d",i);*/        }
       if (strchr(strb,'*')) {      /*printf("h=%d ",h);*/
         cutv(strd,strc,strb,'*');    } /* end h */
         if (strcmp(strc,"age")==0) {          /*     printf("\n H=%d \n",h); */
           cptcovprod--;    return po;
           cutv(strb,stre,strd,'V');  }
           Tvar[i]=atoi(stre);  
           cptcovage++;  
             Tage[cptcovage]=i;  #ifdef NLOPT
             /*printf("stre=%s ", stre);*/    double  myfunc(unsigned n, const double *p1, double *grad, void *pd){
         }    double fret;
         else if (strcmp(strd,"age")==0) {    double *xt;
           cptcovprod--;    int j;
           cutv(strb,stre,strc,'V');    myfunc_data *d2 = (myfunc_data *) pd;
           Tvar[i]=atoi(stre);  /* xt = (p1-1); */
           cptcovage++;    xt=vector(1,n); 
           Tage[cptcovage]=i;    for (j=1;j<=n;j++)   xt[j]=p1[j-1]; /* xt[1]=p1[0] */
         }  
         else {    fret=(d2->function)(xt); /*  p xt[1]@8 is fine */
           cutv(strb,stre,strc,'V');    /* fret=(*func)(xt); /\*  p xt[1]@8 is fine *\/ */
           Tvar[i]=ncov+k1;    printf("Function = %.12lf ",fret);
           cutv(strb,strc,strd,'V');    for (j=1;j<=n;j++) printf(" %d %.8lf", j, xt[j]); 
           Tprod[k1]=i;    printf("\n");
           Tvard[k1][1]=atoi(strc);   free_vector(xt,1,n);
           Tvard[k1][2]=atoi(stre);    return fret;
           Tvar[cptcovn+k2]=Tvard[k1][1];  }
           Tvar[cptcovn+k2+1]=Tvard[k1][2];  #endif
           for (k=1; k<=lastobs;k++)  
             covar[ncov+k1][k]=covar[atoi(stre)][k]*covar[atoi(strc)][k];  /*************** log-likelihood *************/
           k1++;  double func( double *x)
           k2=k2+2;  {
         }    int i, ii, j, k, mi, d, kk;
       }    double l, ll[NLSTATEMAX+1], cov[NCOVMAX+1];
       else {    double **out;
         /*printf("d=%s c=%s b=%s\n", strd,strc,strb);*/    double sw; /* Sum of weights */
        /*  scanf("%d",i);*/    double lli; /* Individual log likelihood */
       cutv(strd,strc,strb,'V');    int s1, s2;
       Tvar[i]=atoi(strc);    double bbh, survp;
       }    long ipmx;
       strcpy(modelsav,stra);      double agexact;
       /*printf("a=%s b=%s sav=%s\n", stra,strb,modelsav);    /*extern weight */
         scanf("%d",i);*/    /* We are differentiating ll according to initial status */
     }    /*  for (i=1;i<=npar;i++) printf("%f ", x[i]);*/
 }    /*for(i=1;i<imx;i++) 
        printf(" %d\n",s[4][i]);
   /*printf("tvar1=%d tvar2=%d tvar3=%d cptcovage=%d Tage=%d",Tvar[1],Tvar[2],Tvar[3],cptcovage,Tage[1]);    */
   printf("cptcovprod=%d ", cptcovprod);  
   scanf("%d ",i);*/    ++countcallfunc;
     fclose(fic);  
     cov[1]=1.;
     /*  if(mle==1){*/  
     if (weightopt != 1) { /* Maximisation without weights*/    for(k=1; k<=nlstate; k++) ll[k]=0.;
       for(i=1;i<=n;i++) weight[i]=1.0;  
     }    if(mle==1){
     /*-calculation of age at interview from date of interview and age at death -*/      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
     agev=matrix(1,maxwav,1,imx);        /* Computes the values of the ncovmodel covariates of the model
            depending if the covariates are fixed or variying (age dependent) and stores them in cov[]
    for (i=1; i<=imx; i++)           Then computes with function pmij which return a matrix p[i][j] giving the elementary probability
      for(m=2; (m<= maxwav); m++)           to be observed in j being in i according to the model.
        if ((mint[m][i]== 99) && (s[m][i] <= nlstate)){         */
          anint[m][i]=9999;        for (k=1; k<=cptcovn;k++){ /* Simple and product covariates without age* products */
          s[m][i]=-1;            cov[2+nagesqr+k]=covar[Tvar[k]][i];
        }        }
            /* In model V2+V1*V4+age*V3+V3*V2 Tvar[1] is V2, Tvar[2=V1*V4] 
     for (i=1; i<=imx; i++)  {           is 6, Tvar[3=age*V3] should not be computed because of age Tvar[4=V3*V2] 
       agedc[i]=(moisdc[i]/12.+andc[i])-(moisnais[i]/12.+annais[i]);           has been calculated etc */
       for(m=1; (m<= maxwav); m++){        for(mi=1; mi<= wav[i]-1; mi++){
         if(s[m][i] >0){          for (ii=1;ii<=nlstate+ndeath;ii++)
           if (s[m][i] == nlstate+1) {            for (j=1;j<=nlstate+ndeath;j++){
             if(agedc[i]>0)              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
               if(moisdc[i]!=99 && andc[i]!=9999)              savm[ii][j]=(ii==j ? 1.0 : 0.0);
               agev[m][i]=agedc[i];            }
             else {          for(d=0; d<dh[mi][i]; d++){
               if (andc[i]!=9999){            newm=savm;
               printf("Warning negative age at death: %d line:%d\n",num[i],i);            agexact=agev[mw[mi][i]][i]+d*stepm/YEARM;
               agev[m][i]=-1;            cov[2]=agexact;
               }            if(nagesqr==1)
             }              cov[3]= agexact*agexact;
           }            for (kk=1; kk<=cptcovage;kk++) {
           else if(s[m][i] !=9){ /* Should no more exist */              cov[Tage[kk]+2+nagesqr]=covar[Tvar[Tage[kk]]][i]*agexact; /* Tage[kk] gives the data-covariate associated with age */
             agev[m][i]=(mint[m][i]/12.+1./24.+anint[m][i])-(moisnais[i]/12.+1./24.+annais[i]);            }
             if(mint[m][i]==99 || anint[m][i]==9999)            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
               agev[m][i]=1;                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
             else if(agev[m][i] <agemin){            savm=oldm;
               agemin=agev[m][i];            oldm=newm;
               /*printf(" Min anint[%d][%d]=%.2f annais[%d]=%.2f, agemin=%.2f\n",m,i,anint[m][i], i,annais[i], agemin);*/          } /* end mult */
             }        
             else if(agev[m][i] >agemax){          /*lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);*/ /* Original formula */
               agemax=agev[m][i];          /* But now since version 0.9 we anticipate for bias at large stepm.
              /* printf(" anint[%d][%d]=%.0f annais[%d]=%.0f, agemax=%.0f\n",m,i,anint[m][i], i,annais[i], agemax);*/           * If stepm is larger than one month (smallest stepm) and if the exact delay 
             }           * (in months) between two waves is not a multiple of stepm, we rounded to 
             /*agev[m][i]=anint[m][i]-annais[i];*/           * the nearest (and in case of equal distance, to the lowest) interval but now
             /*   agev[m][i] = age[i]+2*m;*/           * we keep into memory the bias bh[mi][i] and also the previous matrix product
           }           * (i.e to dh[mi][i]-1) saved in 'savm'. Then we inter(extra)polate the
           else { /* =9 */           * probability in order to take into account the bias as a fraction of the way
             agev[m][i]=1;           * from savm to out if bh is negative or even beyond if bh is positive. bh varies
             s[m][i]=-1;           * -stepm/2 to stepm/2 .
           }           * For stepm=1 the results are the same as for previous versions of Imach.
         }           * For stepm > 1 the results are less biased than in previous versions. 
         else /*= 0 Unknown */           */
           agev[m][i]=1;          s1=s[mw[mi][i]][i];
       }          s2=s[mw[mi+1][i]][i];
              bbh=(double)bh[mi][i]/(double)stepm; 
     }          /* bias bh is positive if real duration
     for (i=1; i<=imx; i++)  {           * is higher than the multiple of stepm and negative otherwise.
       for(m=1; (m<= maxwav); m++){           */
         if (s[m][i] > (nlstate+ndeath)) {          /* lli= (savm[s1][s2]>1.e-8 ?(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]):log((1.+bbh)*out[s1][s2]));*/
           printf("Error: Wrong value in nlstate or ndeath\n");            if( s2 > nlstate){ 
           goto end;            /* i.e. if s2 is a death state and if the date of death is known 
         }               then the contribution to the likelihood is the probability to 
       }               die between last step unit time and current  step unit time, 
     }               which is also equal to probability to die before dh 
                minus probability to die before dh-stepm . 
 printf("Total number of individuals= %d, Agemin = %.2f, Agemax= %.2f\n\n", imx, agemin, agemax);               In version up to 0.92 likelihood was computed
           as if date of death was unknown. Death was treated as any other
     free_vector(severity,1,maxwav);          health state: the date of the interview describes the actual state
     free_imatrix(outcome,1,maxwav+1,1,n);          and not the date of a change in health state. The former idea was
     free_vector(moisnais,1,n);          to consider that at each interview the state was recorded
     free_vector(annais,1,n);          (healthy, disable or death) and IMaCh was corrected; but when we
     /* free_matrix(mint,1,maxwav,1,n);          introduced the exact date of death then we should have modified
        free_matrix(anint,1,maxwav,1,n);*/          the contribution of an exact death to the likelihood. This new
     free_vector(moisdc,1,n);          contribution is smaller and very dependent of the step unit
     free_vector(andc,1,n);          stepm. It is no more the probability to die between last interview
           and month of death but the probability to survive from last
              interview up to one month before death multiplied by the
     wav=ivector(1,imx);          probability to die within a month. Thanks to Chris
     dh=imatrix(1,lastpass-firstpass+1,1,imx);          Jackson for correcting this bug.  Former versions increased
     mw=imatrix(1,lastpass-firstpass+1,1,imx);          mortality artificially. The bad side is that we add another loop
              which slows down the processing. The difference can be up to 10%
     /* Concatenates waves */          lower mortality.
       concatwav(wav, dh, mw, s, agedc, agev,  firstpass, lastpass, imx, nlstate, stepm);            */
           /* If, at the beginning of the maximization mostly, the
              cumulative probability or probability to be dead is
       Tcode=ivector(1,100);             constant (ie = 1) over time d, the difference is equal to
       nbcode=imatrix(0,NCOVMAX,0,NCOVMAX);             0.  out[s1][3] = savm[s1][3]: probability, being at state
       ncodemax[1]=1;             s1 at precedent wave, to be dead a month before current
       if (cptcovn > 0) tricode(Tvar,nbcode,imx);             wave is equal to probability, being at state s1 at
                   precedent wave, to be dead at mont of the current
    codtab=imatrix(1,100,1,10);             wave. Then the observed probability (that this person died)
    h=0;             is null according to current estimated parameter. In fact,
    m=pow(2,cptcoveff);             it should be very low but not zero otherwise the log go to
               infinity.
    for(k=1;k<=cptcoveff; k++){          */
      for(i=1; i <=(m/pow(2,k));i++){  /* #ifdef INFINITYORIGINAL */
        for(j=1; j <= ncodemax[k]; j++){  /*          lli=log(out[s1][s2] - savm[s1][s2]); */
          for(cpt=1; cpt <=(m/pow(2,cptcoveff+1-k)); cpt++){  /* #else */
            h++;  /*        if ((out[s1][s2] - savm[s1][s2]) < mytinydouble)  */
            if (h>m) h=1;codtab[h][k]=j;  /*          lli=log(mytinydouble); */
          }  /*        else */
        }  /*          lli=log(out[s1][s2] - savm[s1][s2]); */
      }  /* #endif */
    }            lli=log(out[s1][s2] - savm[s1][s2]);
             
           } else if  ( s2==-1 ) { /* alive */
    /*for(i=1; i <=m ;i++){            for (j=1,survp=0. ; j<=nlstate; j++) 
      for(k=1; k <=cptcovn; k++){              survp += (1.+bbh)*out[s1][j]- bbh*savm[s1][j];
        printf("i=%d k=%d %d %d",i,k,codtab[i][k], cptcoveff);            /*survp += out[s1][j]; */
      }            lli= log(survp);
      printf("\n");          }
    }          else if  (s2==-4) { 
    scanf("%d",i);*/            for (j=3,survp=0. ; j<=nlstate; j++)  
                  survp += (1.+bbh)*out[s1][j]- bbh*savm[s1][j];
    /* Calculates basic frequencies. Computes observed prevalence at single age            lli= log(survp); 
        and prints on file fileres'p'. */          } 
           else if  (s2==-5) { 
                for (j=1,survp=0. ; j<=2; j++)  
                  survp += (1.+bbh)*out[s1][j]- bbh*savm[s1][j];
     pmmij= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */            lli= log(survp); 
     oldms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */          } 
     newms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */          else{
     savms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */            lli= log((1.+bbh)*out[s1][s2]- bbh*savm[s1][s2]); /* linear interpolation */
     oldm=oldms; newm=newms; savm=savms; /* Keeps fixed addresses to free */            /*  lli= (savm[s1][s2]>(double)1.e-8 ?log((1.+bbh)*out[s1][s2]- bbh*(savm[s1][s2])):log((1.+bbh)*out[s1][s2]));*/ /* linear interpolation */
                } 
     /* For Powell, parameters are in a vector p[] starting at p[1]          /*lli=(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]);*/
        so we point p on param[1][1] so that p[1] maps on param[1][1][1] */          /*if(lli ==000.0)*/
     p=param[1][1]; /* *(*(*(param +1)+1)+0) */          /*printf("bbh= %f lli=%f savm=%f out=%f %d\n",bbh,lli,savm[s1][s2], out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]],i); */
           ipmx +=1;
     if(mle==1){          sw += weight[i];
     mlikeli(ficres,p, npar, ncovmodel, nlstate, ftol, func);          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
     }          /* if (lli < log(mytinydouble)){ */
              /*   printf("Close to inf lli = %.10lf <  %.10lf i= %d mi= %d, s[%d][i]=%d s1=%d s2=%d\n", lli,log(mytinydouble), i, mi,mw[mi][i], s[mw[mi][i]][i], s1,s2); */
     /*--------- results files --------------*/          /*   fprintf(ficlog,"Close to inf lli = %.10lf i= %d mi= %d, s[mw[mi][i]][i]=%d\n", lli, i, mi,s[mw[mi][i]][i]); */
     fprintf(ficres,"title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\nftol=%e stepm=%d ncov=%d nlstate=%d ndeath=%d maxwav=%d mle= 0 weight=%d\nmodel=%s\n", title, datafile, lastobs, firstpass,lastpass,ftol, stepm, ncov, nlstate, ndeath, maxwav, weightopt,model);          /* } */
          } /* end of wave */
       } /* end of individual */
    jk=1;    }  else if(mle==2){
    fprintf(ficres,"# Parameters\n");      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
    printf("# Parameters\n");        for (k=1; k<=cptcovn;k++) cov[2+nagesqr+k]=covar[Tvar[k]][i];
    for(i=1,jk=1; i <=nlstate; i++){        for(mi=1; mi<= wav[i]-1; mi++){
      for(k=1; k <=(nlstate+ndeath); k++){          for (ii=1;ii<=nlstate+ndeath;ii++)
        if (k != i)            for (j=1;j<=nlstate+ndeath;j++){
          {              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
            printf("%d%d ",i,k);              savm[ii][j]=(ii==j ? 1.0 : 0.0);
            fprintf(ficres,"%1d%1d ",i,k);            }
            for(j=1; j <=ncovmodel; j++){          for(d=0; d<=dh[mi][i]; d++){
              printf("%f ",p[jk]);            newm=savm;
              fprintf(ficres,"%f ",p[jk]);            agexact=agev[mw[mi][i]][i]+d*stepm/YEARM;
              jk++;            cov[2]=agexact;
            }            if(nagesqr==1)
            printf("\n");              cov[3]= agexact*agexact;
            fprintf(ficres,"\n");            for (kk=1; kk<=cptcovage;kk++) {
          }              cov[Tage[kk]+2+nagesqr]=covar[Tvar[Tage[kk]]][i]*agexact;
      }            }
    }            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
  if(mle==1){                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
     /* Computing hessian and covariance matrix */            savm=oldm;
     ftolhess=ftol; /* Usually correct */            oldm=newm;
     hesscov(matcov, p, npar, delti, ftolhess, func);          } /* end mult */
  }        
     fprintf(ficres,"# Scales\n");          s1=s[mw[mi][i]][i];
     printf("# Scales\n");          s2=s[mw[mi+1][i]][i];
      for(i=1,jk=1; i <=nlstate; i++){          bbh=(double)bh[mi][i]/(double)stepm; 
       for(j=1; j <=nlstate+ndeath; j++){          lli= (savm[s1][s2]>(double)1.e-8 ?log((1.+bbh)*out[s1][s2]- bbh*(savm[s1][s2])):log((1.+bbh)*out[s1][s2])); /* linear interpolation */
         if (j!=i) {          ipmx +=1;
           fprintf(ficres,"%1d%1d",i,j);          sw += weight[i];
           printf("%1d%1d",i,j);          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
           for(k=1; k<=ncovmodel;k++){        } /* end of wave */
             printf(" %.5e",delti[jk]);      } /* end of individual */
             fprintf(ficres," %.5e",delti[jk]);    }  else if(mle==3){  /* exponential inter-extrapolation */
             jk++;      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
           }        for (k=1; k<=cptcovn;k++) cov[2+nagesqr+k]=covar[Tvar[k]][i];
           printf("\n");        for(mi=1; mi<= wav[i]-1; mi++){
           fprintf(ficres,"\n");          for (ii=1;ii<=nlstate+ndeath;ii++)
         }            for (j=1;j<=nlstate+ndeath;j++){
       }              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
      }              savm[ii][j]=(ii==j ? 1.0 : 0.0);
                }
     k=1;          for(d=0; d<dh[mi][i]; d++){
     fprintf(ficres,"# Covariance\n");            newm=savm;
     printf("# Covariance\n");            agexact=agev[mw[mi][i]][i]+d*stepm/YEARM;
     for(i=1;i<=npar;i++){            cov[2]=agexact;
       /*  if (k>nlstate) k=1;            if(nagesqr==1)
       i1=(i-1)/(ncovmodel*nlstate)+1;              cov[3]= agexact*agexact;
       fprintf(ficres,"%s%d%d",alph[k],i1,tab[i]);            for (kk=1; kk<=cptcovage;kk++) {
       printf("%s%d%d",alph[k],i1,tab[i]);*/              cov[Tage[kk]+2+nagesqr]=covar[Tvar[Tage[kk]]][i]*agexact;
       fprintf(ficres,"%3d",i);            }
       printf("%3d",i);            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
       for(j=1; j<=i;j++){                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
         fprintf(ficres," %.5e",matcov[i][j]);            savm=oldm;
         printf(" %.5e",matcov[i][j]);            oldm=newm;
       }          } /* end mult */
       fprintf(ficres,"\n");        
       printf("\n");          s1=s[mw[mi][i]][i];
       k++;          s2=s[mw[mi+1][i]][i];
     }          bbh=(double)bh[mi][i]/(double)stepm; 
              lli= (savm[s1][s2]>1.e-8 ?(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]):log((1.+bbh)*out[s1][s2])); /* exponential inter-extrapolation */
     while((c=getc(ficpar))=='#' && c!= EOF){          ipmx +=1;
       ungetc(c,ficpar);          sw += weight[i];
       fgets(line, MAXLINE, ficpar);          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
       puts(line);        } /* end of wave */
       fputs(line,ficparo);      } /* end of individual */
     }    }else if (mle==4){  /* ml=4 no inter-extrapolation */
     ungetc(c,ficpar);      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
          for (k=1; k<=cptcovn;k++) cov[2+nagesqr+k]=covar[Tvar[k]][i];
     fscanf(ficpar,"agemin=%lf agemax=%lf bage=%lf fage=%lf\n",&agemin,&agemaxpar, &bage, &fage);        for(mi=1; mi<= wav[i]-1; mi++){
              for (ii=1;ii<=nlstate+ndeath;ii++)
     if (fage <= 2) {            for (j=1;j<=nlstate+ndeath;j++){
       bage = agemin;              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
       fage = agemaxpar;              savm[ii][j]=(ii==j ? 1.0 : 0.0);
     }            }
              for(d=0; d<dh[mi][i]; d++){
     fprintf(ficres,"# agemin agemax for life expectancy, bage fage (if mle==0 ie no data nor Max likelihood).\n");            newm=savm;
     fprintf(ficres,"agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f\n",agemin,agemaxpar,bage,fage);            agexact=agev[mw[mi][i]][i]+d*stepm/YEARM;
     fprintf(ficparo,"agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f\n",agemin,agemaxpar,bage,fage);            cov[2]=agexact;
              if(nagesqr==1)
     while((c=getc(ficpar))=='#' && c!= EOF){              cov[3]= agexact*agexact;
     ungetc(c,ficpar);            for (kk=1; kk<=cptcovage;kk++) {
     fgets(line, MAXLINE, ficpar);              cov[Tage[kk]+2+nagesqr]=covar[Tvar[Tage[kk]]][i]*agexact;
     puts(line);            }
     fputs(line,ficparo);          
   }            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
   ungetc(c,ficpar);                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
              savm=oldm;
   fscanf(ficpar,"begin-prev-date=%lf/%lf/%lf end-prev-date=%lf/%lf/%lf\n",&jprev1, &mprev1,&anprev1,&jprev2, &mprev2,&anprev2);            oldm=newm;
   fprintf(ficparo,"begin-prev-date=%.lf/%.lf/%.lf end-prev-date=%.lf/%.lf/%.lf\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2);          } /* end mult */
  fprintf(ficres,"begin-prev-date=%.lf/%.lf/%.lf end-prev-date=%.lf/%.lf/%.lf\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2);        
                s1=s[mw[mi][i]][i];
   while((c=getc(ficpar))=='#' && c!= EOF){          s2=s[mw[mi+1][i]][i];
     ungetc(c,ficpar);          if( s2 > nlstate){ 
     fgets(line, MAXLINE, ficpar);            lli=log(out[s1][s2] - savm[s1][s2]);
     puts(line);          } else if  ( s2==-1 ) { /* alive */
     fputs(line,ficparo);            for (j=1,survp=0. ; j<=nlstate; j++) 
   }              survp += out[s1][j];
   ungetc(c,ficpar);            lli= log(survp);
            }else{
             lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]); /* Original formula */
    dateprev1=anprev1+mprev1/12.+jprev1/365.;          }
    dateprev2=anprev2+mprev2/12.+jprev2/365.;          ipmx +=1;
           sw += weight[i];
   fscanf(ficpar,"pop_based=%d\n",&popbased);          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
   fprintf(ficparo,"pop_based=%d\n",popbased);    /*      printf("i=%6d s1=%1d s2=%1d mi=%1d mw=%1d dh=%3d prob=%10.6f w=%6.4f out=%10.6f sav=%10.6f\n",i,s1,s2,mi,mw[mi][i],dh[mi][i],exp(lli),weight[i],out[s1][s2],savm[s1][s2]); */
   fprintf(ficres,"pop_based=%d\n",popbased);          } /* end of wave */
        } /* end of individual */
   while((c=getc(ficpar))=='#' && c!= EOF){    }else{  /* ml=5 no inter-extrapolation no jackson =0.8a */
     ungetc(c,ficpar);      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
     fgets(line, MAXLINE, ficpar);        for (k=1; k<=cptcovn;k++) cov[2+nagesqr+k]=covar[Tvar[k]][i];
     puts(line);        for(mi=1; mi<= wav[i]-1; mi++){
     fputs(line,ficparo);          for (ii=1;ii<=nlstate+ndeath;ii++)
   }            for (j=1;j<=nlstate+ndeath;j++){
   ungetc(c,ficpar);              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
               savm[ii][j]=(ii==j ? 1.0 : 0.0);
   fscanf(ficpar,"starting-proj-date=%lf/%lf/%lf final-proj-date=%lf/%lf/%lf mov_average=%d\n",&jproj1,&mproj1,&anproj1,&jproj2,&mproj2,&anproj2,&mobilav);            }
 fprintf(ficparo,"starting-proj-date=%.lf/%.lf/%.lf final-proj-date=%.lf/%.lf/%.lf mov_average=%d\n",jproj1,mproj1,anproj1,jproj2,mproj2,anproj2,mobilav);          for(d=0; d<dh[mi][i]; d++){
 fprintf(ficres,"starting-proj-date=%.lf/%.lf/%.lf final-proj-date=%.lf/%.lf/%.lf mov_average=%d\n",jproj1,mproj1,anproj1,jproj2,mproj2,anproj2,mobilav);            newm=savm;
             agexact=agev[mw[mi][i]][i]+d*stepm/YEARM;
             cov[2]=agexact;
 while((c=getc(ficpar))=='#' && c!= EOF){            if(nagesqr==1)
     ungetc(c,ficpar);              cov[3]= agexact*agexact;
     fgets(line, MAXLINE, ficpar);            for (kk=1; kk<=cptcovage;kk++) {
     puts(line);              cov[Tage[kk]+2+nagesqr]=covar[Tvar[Tage[kk]]][i]*agexact;
     fputs(line,ficparo);            }
   }          
   ungetc(c,ficpar);            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
                          1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
   fscanf(ficpar,"popforecast=%d popfile=%s popfiledate=%lf/%lf/%lf last-popfiledate=%lf/%lf/%lf\n",&popforecast,popfile,&jpyram,&mpyram,&anpyram,&jpyram1,&mpyram1,&anpyram1);            savm=oldm;
   fprintf(ficparo,"popforecast=%d popfile=%s popfiledate=%.lf/%.lf/%.lf last-popfiledate=%.lf/%.lf/%.lf\n",popforecast,popfile,jpyram,mpyram,anpyram,jpyram1,mpyram1,anpyram1);            oldm=newm;
   fprintf(ficres,"popforecast=%d popfile=%s popfiledate=%.lf/%.lf/%.lf last-popfiledate=%.lf/%.lf/%.lf\n",popforecast,popfile,jpyram,mpyram,anpyram,jpyram1,mpyram1,anpyram1);          } /* end mult */
         
  freqsummary(fileres, agemin, agemax, s, agev, nlstate, imx,Tvar,nbcode, ncodemax,mint,anint,dateprev1,dateprev2,jprev1, mprev1,anprev1,jprev2, mprev2,anprev2);          s1=s[mw[mi][i]][i];
           s2=s[mw[mi+1][i]][i];
 /*------------ gnuplot -------------*/          lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]); /* Original formula */
  printinggnuplot(fileres,optionfilefiname,optionfile,optionfilegnuplot, agemin,agemaxpar,fage, pathc,p);          ipmx +=1;
            sw += weight[i];
 /*------------ free_vector  -------------*/          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
  chdir(path);          /*printf("i=%6d s1=%1d s2=%1d mi=%1d mw=%1d dh=%3d prob=%10.6f w=%6.4f out=%10.6f sav=%10.6f\n",i,s1,s2,mi,mw[mi][i],dh[mi][i],exp(lli),weight[i],out[s1][s2],savm[s1][s2]);*/
          } /* end of wave */
  free_ivector(wav,1,imx);      } /* end of individual */
  free_imatrix(dh,1,lastpass-firstpass+1,1,imx);    } /* End of if */
  free_imatrix(mw,1,lastpass-firstpass+1,1,imx);      for(k=1,l=0.; k<=nlstate; k++) l += ll[k];
  free_ivector(num,1,n);    /* printf("l1=%f l2=%f ",ll[1],ll[2]); */
  free_vector(agedc,1,n);    l= l*ipmx/sw; /* To get the same order of magnitude as if weight=1 for every body */
  /*free_matrix(covar,1,NCOVMAX,1,n);*/    return -l;
  fclose(ficparo);  }
  fclose(ficres);  
   /*************** log-likelihood *************/
 /*--------- index.htm --------*/  double funcone( double *x)
   {
   printinghtml(fileres,title,datafile, firstpass, lastpass, stepm, weightopt,model,imx,jmin,jmax,jmean,optionfile,optionfilehtm,rfileres);    /* Same as likeli but slower because of a lot of printf and if */
     int i, ii, j, k, mi, d, kk;
      double l, ll[NLSTATEMAX+1], cov[NCOVMAX+1];
   /*--------------- Prevalence limit --------------*/    double **out;
      double lli; /* Individual log likelihood */
   strcpy(filerespl,"pl");    double llt;
   strcat(filerespl,fileres);    int s1, s2;
   if((ficrespl=fopen(filerespl,"w"))==NULL) {    double bbh, survp;
     printf("Problem with Prev limit resultfile: %s\n", filerespl);goto end;    double agexact;
   }    double agebegin, ageend;
   printf("Computing prevalence limit: result on file '%s' \n", filerespl);    /*extern weight */
   fprintf(ficrespl,"#Prevalence limit\n");    /* We are differentiating ll according to initial status */
   fprintf(ficrespl,"#Age ");    /*  for (i=1;i<=npar;i++) printf("%f ", x[i]);*/
   for(i=1; i<=nlstate;i++) fprintf(ficrespl,"%d-%d ",i,i);    /*for(i=1;i<imx;i++) 
   fprintf(ficrespl,"\n");      printf(" %d\n",s[4][i]);
      */
   prlim=matrix(1,nlstate,1,nlstate);    cov[1]=1.;
   pmmij= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */  
   oldms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */    for(k=1; k<=nlstate; k++) ll[k]=0.;
   newms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */  
   savms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */    for (i=1,ipmx=0, sw=0.; i<=imx; i++){
   oldm=oldms; newm=newms; savm=savms; /* Keeps fixed addresses to free */      for (k=1; k<=cptcovn;k++) cov[2+nagesqr+k]=covar[Tvar[k]][i];
   k=0;      for(mi=1; mi<= wav[i]-1; mi++){
   agebase=agemin;        for (ii=1;ii<=nlstate+ndeath;ii++)
   agelim=agemaxpar;          for (j=1;j<=nlstate+ndeath;j++){
   ftolpl=1.e-10;            oldm[ii][j]=(ii==j ? 1.0 : 0.0);
   i1=cptcoveff;            savm[ii][j]=(ii==j ? 1.0 : 0.0);
   if (cptcovn < 1){i1=1;}          }
         
   for(cptcov=1;cptcov<=i1;cptcov++){        agebegin=agev[mw[mi][i]][i]; /* Age at beginning of effective wave */
     for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){        ageend=agev[mw[mi][i]][i] + (dh[mi][i])*stepm/YEARM; /* Age at end of effective wave and at the end of transition */
         k=k+1;        for(d=0; d<dh[mi][i]; d++){  /* Delay between two effective waves */
         /*printf("cptcov=%d cptcod=%d codtab=%d nbcode=%d\n",cptcov, cptcod,Tcode[cptcode],codtab[cptcod][cptcov]);*/          /*dh[m][i] or dh[mw[mi][i]][i] is the delay between two effective waves m=mw[mi][i]
         fprintf(ficrespl,"\n#******");            and mw[mi+1][i]. dh depends on stepm.*/
         for(j=1;j<=cptcoveff;j++)          newm=savm;
           fprintf(ficrespl," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);          agexact=agev[mw[mi][i]][i]+d*stepm/YEARM;
         fprintf(ficrespl,"******\n");          cov[2]=agexact;
                  if(nagesqr==1)
         for (age=agebase; age<=agelim; age++){            cov[3]= agexact*agexact;
           prevalim(prlim, nlstate, p, age, oldm, savm,ftolpl,k);          for (kk=1; kk<=cptcovage;kk++) {
           fprintf(ficrespl,"%.0f",age );            cov[Tage[kk]+2+nagesqr]=covar[Tvar[Tage[kk]]][i]*agexact;
           for(i=1; i<=nlstate;i++)          }
           fprintf(ficrespl," %.5f", prlim[i][i]);  
           fprintf(ficrespl,"\n");          /* savm=pmij(pmmij,cov,ncovmodel,x,nlstate); */
         }          out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
       }                       1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
     }          /* out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath, */
   fclose(ficrespl);          /*           1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate)); */
           savm=oldm;
   /*------------- h Pij x at various ages ------------*/          oldm=newm;
          } /* end mult */
   strcpy(filerespij,"pij");  strcat(filerespij,fileres);        
   if((ficrespij=fopen(filerespij,"w"))==NULL) {        s1=s[mw[mi][i]][i];
     printf("Problem with Pij resultfile: %s\n", filerespij);goto end;        s2=s[mw[mi+1][i]][i];
   }        /* if(s2==-1){ */
   printf("Computing pij: result on file '%s' \n", filerespij);        /*        printf(" s1=%d, s2=%d i=%d \n", s1, s2, i); */
          /*        /\* exit(1); *\/ */
   stepsize=(int) (stepm+YEARM-1)/YEARM;        /* } */
   /*if (stepm<=24) stepsize=2;*/        bbh=(double)bh[mi][i]/(double)stepm; 
         /* bias is positive if real duration
   agelim=AGESUP;         * is higher than the multiple of stepm and negative otherwise.
   hstepm=stepsize*YEARM; /* Every year of age */         */
   hstepm=hstepm/stepm; /* Typically 2 years, = 2/6 months = 4 */        if( s2 > nlstate && (mle <5) ){  /* Jackson */
            lli=log(out[s1][s2] - savm[s1][s2]);
   k=0;        } else if  ( s2==-1 ) { /* alive */
   for(cptcov=1;cptcov<=i1;cptcov++){          for (j=1,survp=0. ; j<=nlstate; j++) 
     for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){            survp += (1.+bbh)*out[s1][j]- bbh*savm[s1][j];
       k=k+1;          lli= log(survp);
         fprintf(ficrespij,"\n#****** ");        }else if (mle==1){
         for(j=1;j<=cptcoveff;j++)          lli= log((1.+bbh)*out[s1][s2]- bbh*savm[s1][s2]); /* linear interpolation */
           fprintf(ficrespij,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);        } else if(mle==2){
         fprintf(ficrespij,"******\n");          lli= (savm[s1][s2]>(double)1.e-8 ?log((1.+bbh)*out[s1][s2]- bbh*savm[s1][s2]):log((1.+bbh)*out[s1][s2])); /* linear interpolation */
                } else if(mle==3){  /* exponential inter-extrapolation */
         for (agedeb=fage; agedeb>=bage; agedeb--){ /* If stepm=6 months */          lli= (savm[s1][s2]>(double)1.e-8 ?(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]):log((1.+bbh)*out[s1][s2])); /* exponential inter-extrapolation */
           nhstepm=(int) rint((agelim-agedeb)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */        } else if (mle==4){  /* mle=4 no inter-extrapolation */
           nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */          lli=log(out[s1][s2]); /* Original formula */
           p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);        } else{  /* mle=0 back to 1 */
           oldm=oldms;savm=savms;          lli= log((1.+bbh)*out[s1][s2]- bbh*savm[s1][s2]); /* linear interpolation */
           hpxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);            /*lli=log(out[s1][s2]); */ /* Original formula */
           fprintf(ficrespij,"# Age");        } /* End of if */
           for(i=1; i<=nlstate;i++)        ipmx +=1;
             for(j=1; j<=nlstate+ndeath;j++)        sw += weight[i];
               fprintf(ficrespij," %1d-%1d",i,j);        ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
           fprintf(ficrespij,"\n");        /*printf("i=%6d s1=%1d s2=%1d mi=%1d mw=%1d dh=%3d prob=%10.6f w=%6.4f out=%10.6f sav=%10.6f\n",i,s1,s2,mi,mw[mi][i],dh[mi][i],exp(lli),weight[i],out[s1][s2],savm[s1][s2]); */
           for (h=0; h<=nhstepm; h++){        if(globpr){
             fprintf(ficrespij,"%d %.0f %.0f",k,agedeb, agedeb+ h*hstepm/YEARM*stepm );          fprintf(ficresilk,"%9ld %6.1f %6.1f %6d %2d %2d %2d %2d %3d %11.6f %8.4f %8.3f\
             for(i=1; i<=nlstate;i++)   %11.6f %11.6f %11.6f ", \
               for(j=1; j<=nlstate+ndeath;j++)                  num[i], agebegin, ageend, i,s1,s2,mi,mw[mi][i],dh[mi][i],exp(lli),weight[i],weight[i]*gipmx/gsw,
                 fprintf(ficrespij," %.5f", p3mat[i][j][h]);                  2*weight[i]*lli,out[s1][s2],savm[s1][s2]);
             fprintf(ficrespij,"\n");          for(k=1,llt=0.,l=0.; k<=nlstate; k++){
           }            llt +=ll[k]*gipmx/gsw;
           free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);            fprintf(ficresilk," %10.6f",-ll[k]*gipmx/gsw);
           fprintf(ficrespij,"\n");          }
         }          fprintf(ficresilk," %10.6f\n", -llt);
     }        }
   }      } /* end of wave */
     } /* end of individual */
   /* varprob(fileres, matcov, p, delti, nlstate, (int) bage, (int) fage,k);*/    for(k=1,l=0.; k<=nlstate; k++) l += ll[k];
     /* printf("l1=%f l2=%f ",ll[1],ll[2]); */
   fclose(ficrespij);    l= l*ipmx/sw; /* To get the same order of magnitude as if weight=1 for every body */
     if(globpr==0){ /* First time we count the contributions and weights */
       gipmx=ipmx;
   /*---------- Forecasting ------------------*/      gsw=sw;
   if(stepm == 1) {    }
     prevforecast(fileres, anproj1,mproj1,jproj1, agemin,agemax, dateprev1, dateprev2,mobilav, agedeb, fage, popforecast, popfile, anproj2,p, i1);    return -l;
 if (popforecast==1) populforecast(fileres, anpyram,mpyram,jpyram, agemin,agemax, dateprev1, dateprev2,mobilav, agedeb, fage, popforecast, popfile, anpyram1,p, i1);  }
     free_matrix(mint,1,maxwav,1,n);  
     free_matrix(anint,1,maxwav,1,n); free_imatrix(s,1,maxwav+1,1,n);  
     free_vector(weight,1,n);}  /*************** function likelione ***********/
   else{  void likelione(FILE *ficres,double p[], int npar, int nlstate, int *globpri, long *ipmx, double *sw, double *fretone, double (*funcone)(double []))
     erreur=108;  {
     printf("Error %d!! You can only forecast the prevalences if the optimization\n  has been performed with stepm = 1 (month) instead of %d\n", erreur, stepm);    /* This routine should help understanding what is done with 
   }       the selection of individuals/waves and
         to check the exact contribution to the likelihood.
        Plotting could be done.
   /*---------- Health expectancies and variances ------------*/     */
     int k;
   strcpy(filerest,"t");  
   strcat(filerest,fileres);    if(*globpri !=0){ /* Just counts and sums, no printings */
   if((ficrest=fopen(filerest,"w"))==NULL) {      strcpy(fileresilk,"ILK_"); 
     printf("Problem with total LE resultfile: %s\n", filerest);goto end;      strcat(fileresilk,fileresu);
   }      if((ficresilk=fopen(fileresilk,"w"))==NULL) {
   printf("Computing Total LEs with variances: file '%s' \n", filerest);        printf("Problem with resultfile: %s\n", fileresilk);
         fprintf(ficlog,"Problem with resultfile: %s\n", fileresilk);
       }
   strcpy(filerese,"e");      fprintf(ficresilk, "#individual(line's_record) count ageb ageend s1 s2 wave# effective_wave# number_of_matrices_product pij weight weight/gpw -2ln(pij)*weight 0pij_x 0pij_(x-stepm) cumulating_loglikeli_by_health_state(reweighted=-2ll*weightXnumber_of_contribs/sum_of_weights) and_total\n");
   strcat(filerese,fileres);      fprintf(ficresilk, "#num_i ageb agend i s1 s2 mi mw dh likeli weight %%weight 2wlli out sav ");
   if((ficreseij=fopen(filerese,"w"))==NULL) {      /*  i,s1,s2,mi,mw[mi][i],dh[mi][i],exp(lli),weight[i],2*weight[i]*lli,out[s1][s2],savm[s1][s2]); */
     printf("Problem with Health Exp. resultfile: %s\n", filerese); exit(0);      for(k=1; k<=nlstate; k++) 
   }        fprintf(ficresilk," -2*gipw/gsw*weight*ll[%d]++",k);
   printf("Computing Health Expectancies: result on file '%s' \n", filerese);      fprintf(ficresilk," -2*gipw/gsw*weight*ll(total)\n");
     }
  strcpy(fileresv,"v");  
   strcat(fileresv,fileres);    *fretone=(*funcone)(p);
   if((ficresvij=fopen(fileresv,"w"))==NULL) {    if(*globpri !=0){
     printf("Problem with variance resultfile: %s\n", fileresv);exit(0);      fclose(ficresilk);
   }      if (mle ==0)
   printf("Computing Variance-covariance of DFLEs: file '%s' \n", fileresv);        fprintf(fichtm,"\n<br>File of contributions to the likelihood computed with initial parameters and mle = %d.",mle);
       else if(mle >=1)
   k=0;        fprintf(fichtm,"\n<br>File of contributions to the likelihood computed with optimized parameters mle = %d.",mle);
   for(cptcov=1;cptcov<=i1;cptcov++){      fprintf(fichtm," You should at least run with mle >= 1 to get starting values corresponding to the optimized parameters in order to visualize the real contribution of each individual/wave: <a href=\"%s\">%s</a><br>\n",subdirf(fileresilk),subdirf(fileresilk));
     for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){      
       k=k+1;        
       fprintf(ficrest,"\n#****** ");      for (k=1; k<= nlstate ; k++) {
       for(j=1;j<=cptcoveff;j++)        fprintf(fichtm,"<br>- Probability p<sub>%dj</sub> by origin %d and destination j. Dot's sizes are related to corresponding weight: <a href=\"%s-p%dj.png\">%s-p%dj.png</a><br> \
         fprintf(ficrest,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);  <img src=\"%s-p%dj.png\">",k,k,subdirf2(optionfilefiname,"ILK_"),k,subdirf2(optionfilefiname,"ILK_"),k,subdirf2(optionfilefiname,"ILK_"),k);
       fprintf(ficrest,"******\n");      }
       fprintf(fichtm,"<br>- The function drawn is -2Log(L) in Log scale: by state of origin <a href=\"%s-ori.png\">%s-ori.png</a><br> \
       fprintf(ficreseij,"\n#****** ");  <img src=\"%s-ori.png\">",subdirf2(optionfilefiname,"ILK_"),subdirf2(optionfilefiname,"ILK_"),subdirf2(optionfilefiname,"ILK_"));
       for(j=1;j<=cptcoveff;j++)      fprintf(fichtm,"<br>- and by state of destination <a href=\"%s-dest.png\">%s-dest.png</a><br> \
         fprintf(ficreseij,"V%d=%d ",j,nbcode[j][codtab[k][j]]);  <img src=\"%s-dest.png\">",subdirf2(optionfilefiname,"ILK_"),subdirf2(optionfilefiname,"ILK_"),subdirf2(optionfilefiname,"ILK_"));
       fprintf(ficreseij,"******\n");      fflush(fichtm);
     }
       fprintf(ficresvij,"\n#****** ");    return;
       for(j=1;j<=cptcoveff;j++)  }
         fprintf(ficresvij,"V%d=%d ",j,nbcode[j][codtab[k][j]]);  
       fprintf(ficresvij,"******\n");  
   /*********** Maximum Likelihood Estimation ***************/
       eij=ma3x(1,nlstate,1,nlstate,(int) bage, (int) fage);  
       oldm=oldms;savm=savms;  void mlikeli(FILE *ficres,double p[], int npar, int ncovmodel, int nlstate, double ftol, double (*func)(double []))
       evsij(fileres, eij, p, nlstate, stepm, (int) bage, (int)fage, oldm, savm, k);    {
       vareij=ma3x(1,nlstate,1,nlstate,(int) bage, (int) fage);    int i,j, iter=0;
       oldm=oldms;savm=savms;    double **xi;
        varevsij(fileres, vareij, matcov, p, delti, nlstate, stepm, (int) bage, (int) fage, oldm, savm, prlim, ftolpl,k);    double fret;
        double fretone; /* Only one call to likelihood */
     /*  char filerespow[FILENAMELENGTH];*/
    
       fprintf(ficrest,"#Total LEs with variances: e.. (std) ");  #ifdef NLOPT
       for (i=1;i<=nlstate;i++) fprintf(ficrest,"e.%d (std) ",i);    int creturn;
       fprintf(ficrest,"\n");    nlopt_opt opt;
     /* double lb[9] = { -HUGE_VAL, -HUGE_VAL, -HUGE_VAL, -HUGE_VAL, -HUGE_VAL, -HUGE_VAL, -HUGE_VAL, -HUGE_VAL, -HUGE_VAL }; /\* lower bounds *\/ */
       hf=1;    double *lb;
       if (stepm >= YEARM) hf=stepm/YEARM;    double minf; /* the minimum objective value, upon return */
       epj=vector(1,nlstate+1);    double * p1; /* Shifted parameters from 0 instead of 1 */
       for(age=bage; age <=fage ;age++){    myfunc_data dinst, *d = &dinst;
         prevalim(prlim, nlstate, p, age, oldm, savm,ftolpl,k);  #endif
         if (popbased==1) {  
           for(i=1; i<=nlstate;i++)  
             prlim[i][i]=probs[(int)age][i][k];    xi=matrix(1,npar,1,npar);
         }    for (i=1;i<=npar;i++)
              for (j=1;j<=npar;j++)
         fprintf(ficrest," %.0f",age);        xi[i][j]=(i==j ? 1.0 : 0.0);
         for(j=1, epj[nlstate+1]=0.;j <=nlstate;j++){    printf("Powell\n");  fprintf(ficlog,"Powell\n");
           for(i=1, epj[j]=0.;i <=nlstate;i++) {    strcpy(filerespow,"POW_"); 
             epj[j] += prlim[i][i]*hf*eij[i][j][(int)age];    strcat(filerespow,fileres);
           }    if((ficrespow=fopen(filerespow,"w"))==NULL) {
           epj[nlstate+1] +=epj[j];      printf("Problem with resultfile: %s\n", filerespow);
         }      fprintf(ficlog,"Problem with resultfile: %s\n", filerespow);
         for(i=1, vepp=0.;i <=nlstate;i++)    }
           for(j=1;j <=nlstate;j++)    fprintf(ficrespow,"# Powell\n# iter -2*LL");
             vepp += vareij[i][j][(int)age];    for (i=1;i<=nlstate;i++)
         fprintf(ficrest," %.2f (%.2f)", epj[nlstate+1],hf*sqrt(vepp));      for(j=1;j<=nlstate+ndeath;j++)
         for(j=1;j <=nlstate;j++){        if(j!=i)fprintf(ficrespow," p%1d%1d",i,j);
           fprintf(ficrest," %.2f (%.2f)", epj[j],hf*sqrt(vareij[j][j][(int)age]));    fprintf(ficrespow,"\n");
         }  #ifdef POWELL
         fprintf(ficrest,"\n");    powell(p,xi,npar,ftol,&iter,&fret,func);
       }  #endif
     }  
   }  #ifdef NLOPT
   #ifdef NEWUOA
   fclose(ficreseij);    opt = nlopt_create(NLOPT_LN_NEWUOA,npar);
   fclose(ficresvij);  #else
   fclose(ficrest);    opt = nlopt_create(NLOPT_LN_BOBYQA,npar);
   fclose(ficpar);  #endif
   free_vector(epj,1,nlstate+1);    lb=vector(0,npar-1);
      for (i=0;i<npar;i++) lb[i]= -HUGE_VAL;
   /*------- Variance limit prevalence------*/      nlopt_set_lower_bounds(opt, lb);
     nlopt_set_initial_step1(opt, 0.1);
   strcpy(fileresvpl,"vpl");    
   strcat(fileresvpl,fileres);    p1= (p+1); /*  p *(p+1)@8 and p *(p1)@8 are equal p1[0]=p[1] */
   if((ficresvpl=fopen(fileresvpl,"w"))==NULL) {    d->function = func;
     printf("Problem with variance prev lim resultfile: %s\n", fileresvpl);    printf(" Func %.12lf \n",myfunc(npar,p1,NULL,d));
     exit(0);    nlopt_set_min_objective(opt, myfunc, d);
   }    nlopt_set_xtol_rel(opt, ftol);
   printf("Computing Variance-covariance of Prevalence limit: file '%s' \n", fileresvpl);    if ((creturn=nlopt_optimize(opt, p1, &minf)) < 0) {
       printf("nlopt failed! %d\n",creturn); 
   k=0;    }
   for(cptcov=1;cptcov<=i1;cptcov++){    else {
     for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){      printf("found minimum after %d evaluations (NLOPT=%d)\n", countcallfunc ,NLOPT);
       k=k+1;      printf("found minimum at f(%g,%g) = %0.10g\n", p[0], p[1], minf);
       fprintf(ficresvpl,"\n#****** ");      iter=1; /* not equal */
       for(j=1;j<=cptcoveff;j++)    }
         fprintf(ficresvpl,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);    nlopt_destroy(opt);
       fprintf(ficresvpl,"******\n");  #endif
          free_matrix(xi,1,npar,1,npar);
       varpl=matrix(1,nlstate,(int) bage, (int) fage);    fclose(ficrespow);
       oldm=oldms;savm=savms;    printf("\n#Number of iterations & function calls = %d & %d, -2 Log likelihood = %.12f\n",iter, countcallfunc,func(p));
      varprevlim(fileres, varpl, matcov, p, delti, nlstate, stepm, (int) bage, (int) fage, oldm, savm, prlim, ftolpl,k);    fprintf(ficlog,"\n#Number of iterations & function calls = %d & %d, -2 Log likelihood = %.12f\n",iter, countcallfunc,func(p));
     }    fprintf(ficres,"#Number of iterations & function calls = %d & %d, -2 Log likelihood = %.12f\n",iter, countcallfunc,func(p));
  }  
   }
   fclose(ficresvpl);  
   /**** Computes Hessian and covariance matrix ***/
   /*---------- End : free ----------------*/  void hesscov(double **matcov, double **hess, double p[], int npar, double delti[], double ftolhess, double (*func)(double []))
   free_matrix(varpl,1,nlstate,(int) bage, (int)fage);  {
      double  **a,**y,*x,pd;
   free_ma3x(vareij,1,nlstate,1,nlstate,(int) bage, (int)fage);    /* double **hess; */
   free_ma3x(eij,1,nlstate,1,nlstate,(int) bage, (int)fage);    int i, j;
      int *indx;
    
   free_matrix(pmmij,1,nlstate+ndeath,1,nlstate+ndeath);    double hessii(double p[], double delta, int theta, double delti[],double (*func)(double []),int npar);
   free_matrix(oldms, 1,nlstate+ndeath,1,nlstate+ndeath);    double hessij(double p[], double **hess, double delti[], int i, int j,double (*func)(double []),int npar);
   free_matrix(newms, 1,nlstate+ndeath,1,nlstate+ndeath);    void lubksb(double **a, int npar, int *indx, double b[]) ;
   free_matrix(savms, 1,nlstate+ndeath,1,nlstate+ndeath);    void ludcmp(double **a, int npar, int *indx, double *d) ;
      double gompertz(double p[]);
   free_matrix(matcov,1,npar,1,npar);    /* hess=matrix(1,npar,1,npar); */
   free_vector(delti,1,npar);  
   free_matrix(agev,1,maxwav,1,imx);    printf("\nCalculation of the hessian matrix. Wait...\n");
   free_ma3x(param,1,nlstate,1, nlstate+ndeath-1,1,ncovmodel);    fprintf(ficlog,"\nCalculation of the hessian matrix. Wait...\n");
     for (i=1;i<=npar;i++){
   if(erreur >0)      printf("%d-",i);fflush(stdout);
     printf("End of Imach with error %d\n",erreur);      fprintf(ficlog,"%d-",i);fflush(ficlog);
   else   printf("End of Imach\n");     
   /*  gettimeofday(&end_time, (struct timezone*)0);*/  /* after time */       hess[i][i]=hessii(p,ftolhess,i,delti,func,npar);
        
   /* printf("Total time was %d Sec. %d uSec.\n", end_time.tv_sec -start_time.tv_sec, end_time.tv_usec -start_time.tv_usec);*/      /*  printf(" %f ",p[i]);
   /*printf("Total time was %d uSec.\n", total_usecs);*/          printf(" %lf %lf %lf",hess[i][i],ftolhess,delti[i]);*/
   /*------ End -----------*/    }
     
     for (i=1;i<=npar;i++) {
  end:      for (j=1;j<=npar;j++)  {
 #ifdef windows        if (j>i) { 
   /* chdir(pathcd);*/          printf(".%d-%d",i,j);fflush(stdout);
 #endif          fprintf(ficlog,".%d-%d",i,j);fflush(ficlog);
  /*system("wgnuplot graph.plt");*/          hess[i][j]=hessij(p,hess, delti,i,j,func,npar);
  /*system("../gp37mgw/wgnuplot graph.plt");*/          
  /*system("cd ../gp37mgw");*/          hess[j][i]=hess[i][j];    
  /* system("..\\gp37mgw\\wgnuplot graph.plt");*/          /*printf(" %lf ",hess[i][j]);*/
  strcpy(plotcmd,GNUPLOTPROGRAM);        }
  strcat(plotcmd," ");      }
  strcat(plotcmd,optionfilegnuplot);    }
  system(plotcmd);    printf("\n");
     fprintf(ficlog,"\n");
 #ifdef windows  
   while (z[0] != 'q') {    printf("\nInverting the hessian to get the covariance matrix. Wait...\n");
     chdir(path);    fprintf(ficlog,"\nInverting the hessian to get the covariance matrix. Wait...\n");
     printf("\nType e to edit output files, c to start again, and q for exiting: ");    
     scanf("%s",z);    a=matrix(1,npar,1,npar);
     if (z[0] == 'c') system("./imach");    y=matrix(1,npar,1,npar);
     else if (z[0] == 'e') {    x=vector(1,npar);
       chdir(path);    indx=ivector(1,npar);
       system(optionfilehtm);    for (i=1;i<=npar;i++)
     }      for (j=1;j<=npar;j++) a[i][j]=hess[i][j];
     else if (z[0] == 'q') exit(0);    ludcmp(a,npar,indx,&pd);
   }  
 #endif    for (j=1;j<=npar;j++) {
 }      for (i=1;i<=npar;i++) x[i]=0;
       x[j]=1;
       lubksb(a,npar,indx,x);
       for (i=1;i<=npar;i++){ 
         matcov[i][j]=x[i];
       }
     }
   
     printf("\n#Hessian matrix#\n");
     fprintf(ficlog,"\n#Hessian matrix#\n");
     for (i=1;i<=npar;i++) { 
       for (j=1;j<=npar;j++) { 
         printf("%.6e ",hess[i][j]);
         fprintf(ficlog,"%.6e ",hess[i][j]);
       }
       printf("\n");
       fprintf(ficlog,"\n");
     }
   
     /* printf("\n#Covariance matrix#\n"); */
     /* fprintf(ficlog,"\n#Covariance matrix#\n"); */
     /* for (i=1;i<=npar;i++) {  */
     /*   for (j=1;j<=npar;j++) {  */
     /*     printf("%.6e ",matcov[i][j]); */
     /*     fprintf(ficlog,"%.6e ",matcov[i][j]); */
     /*   } */
     /*   printf("\n"); */
     /*   fprintf(ficlog,"\n"); */
     /* } */
   
     /* Recompute Inverse */
     /* for (i=1;i<=npar;i++) */
     /*   for (j=1;j<=npar;j++) a[i][j]=matcov[i][j]; */
     /* ludcmp(a,npar,indx,&pd); */
   
     /*  printf("\n#Hessian matrix recomputed#\n"); */
   
     /* for (j=1;j<=npar;j++) { */
     /*   for (i=1;i<=npar;i++) x[i]=0; */
     /*   x[j]=1; */
     /*   lubksb(a,npar,indx,x); */
     /*   for (i=1;i<=npar;i++){  */
     /*     y[i][j]=x[i]; */
     /*     printf("%.3e ",y[i][j]); */
     /*     fprintf(ficlog,"%.3e ",y[i][j]); */
     /*   } */
     /*   printf("\n"); */
     /*   fprintf(ficlog,"\n"); */
     /* } */
   
     /* Verifying the inverse matrix */
   #ifdef DEBUGHESS
     y=matprod2(y,hess,1,npar,1,npar,1,npar,matcov);
   
      printf("\n#Verification: multiplying the matrix of covariance by the Hessian matrix, should be unity:#\n");
      fprintf(ficlog,"\n#Verification: multiplying the matrix of covariance by the Hessian matrix. Should be unity:#\n");
   
     for (j=1;j<=npar;j++) {
       for (i=1;i<=npar;i++){ 
         printf("%.2f ",y[i][j]);
         fprintf(ficlog,"%.2f ",y[i][j]);
       }
       printf("\n");
       fprintf(ficlog,"\n");
     }
   #endif
   
     free_matrix(a,1,npar,1,npar);
     free_matrix(y,1,npar,1,npar);
     free_vector(x,1,npar);
     free_ivector(indx,1,npar);
     /* free_matrix(hess,1,npar,1,npar); */
   
   
   }
   
   /*************** hessian matrix ****************/
   double hessii(double x[], double delta, int theta, double delti[], double (*func)(double []), int npar)
   { /* Around values of x, computes the function func and returns the scales delti and hessian */
     int i;
     int l=1, lmax=20;
     double k1,k2, res, fx;
     double p2[MAXPARM+1]; /* identical to x */
     double delt=0.0001, delts, nkhi=10.,nkhif=1., khi=1.e-4;
     int k=0,kmax=10;
     double l1;
   
     fx=func(x);
     for (i=1;i<=npar;i++) p2[i]=x[i];
     for(l=0 ; l <=lmax; l++){  /* Enlarging the zone around the Maximum */
       l1=pow(10,l);
       delts=delt;
       for(k=1 ; k <kmax; k=k+1){
         delt = delta*(l1*k);
         p2[theta]=x[theta] +delt;
         k1=func(p2)-fx;   /* Might be negative if too close to the theoretical maximum */
         p2[theta]=x[theta]-delt;
         k2=func(p2)-fx;
         /*res= (k1-2.0*fx+k2)/delt/delt; */
         res= (k1+k2)/delt/delt/2.; /* Divided by 2 because L and not 2*L */
         
   #ifdef DEBUGHESSII
         printf("%d %d k1=%.12e k2=%.12e xk1=%.12e xk2=%.12e delt=%.12e res=%.12e l=%d k=%d,fx=%.12e\n",theta,theta,k1,k2,x[theta]+delt,x[theta]-delt,delt,res, l, k,fx);
         fprintf(ficlog,"%d %d k1=%.12e k2=%.12e xk1=%.12e xk2=%.12e delt=%.12e res=%.12e l=%d k=%d,fx=%.12e\n",theta,theta,k1,k2,x[theta]+delt,x[theta]-delt,delt,res, l, k,fx);
   #endif
         /*if(fabs(k1-2.0*fx+k2) <1.e-13){ */
         if((k1 <khi/nkhi/2.) || (k2 <khi/nkhi/2.)){
           k=kmax;
         }
         else if((k1 >khi/nkhif) || (k2 >khi/nkhif)){ /* Keeps lastvalue before 3.84/2 KHI2 5% 1d.f. */
           k=kmax; l=lmax*10;
         }
         else if((k1 >khi/nkhi) || (k2 >khi/nkhi)){ 
           delts=delt;
         }
       } /* End loop k */
     }
     delti[theta]=delts;
     return res; 
     
   }
   
   double hessij( double x[], double **hess, double delti[], int thetai,int thetaj,double (*func)(double []),int npar)
   {
     int i;
     int l=1, lmax=20;
     double k1,k2,k3,k4,res,fx;
     double p2[MAXPARM+1];
     int k, kmax=1;
     double v1, v2, cv12, lc1, lc2;
   
     int firstime=0;
     
     fx=func(x);
     for (k=1; k<=kmax; k=k+10) {
       for (i=1;i<=npar;i++) p2[i]=x[i];
       p2[thetai]=x[thetai]+delti[thetai]*k;
       p2[thetaj]=x[thetaj]+delti[thetaj]*k;
       k1=func(p2)-fx;
     
       p2[thetai]=x[thetai]+delti[thetai]*k;
       p2[thetaj]=x[thetaj]-delti[thetaj]*k;
       k2=func(p2)-fx;
     
       p2[thetai]=x[thetai]-delti[thetai]*k;
       p2[thetaj]=x[thetaj]+delti[thetaj]*k;
       k3=func(p2)-fx;
     
       p2[thetai]=x[thetai]-delti[thetai]*k;
       p2[thetaj]=x[thetaj]-delti[thetaj]*k;
       k4=func(p2)-fx;
       res=(k1-k2-k3+k4)/4.0/delti[thetai]/k/delti[thetaj]/k/2.; /* Because of L not 2*L */
       if(k1*k2*k3*k4 <0.){
         firstime=1;
         kmax=kmax+10;
       }
       if(kmax >=10 || firstime ==1){
         printf("Warning: directions %d-%d, you are not estimating the Hessian at the exact maximum likelihood; you may increase ftol=%.2e\n",thetai,thetaj, ftol);
         fprintf(ficlog,"Warning: directions %d-%d, you are not estimating the Hessian at the exact maximum likelihood; you may increase ftol=%.2e\n",thetai,thetaj, ftol);
         printf("%d %d k=%d, k1=%.12e k2=%.12e k3=%.12e k4=%.12e delti*k=%.12e deltj*k=%.12e, xi-de*k=%.12e xj-de*k=%.12e  res=%.12e k1234=%.12e,k1-2=%.12e,k3-4=%.12e\n",thetai,thetaj,k,k1,k2,k3,k4,delti[thetai]/k,delti[thetaj]/k,x[thetai]-delti[thetai]/k,x[thetaj]-delti[thetaj]/k, res,k1-k2-k3+k4,k1-k2,k3-k4);
         fprintf(ficlog,"%d %d k=%d, k1=%.12e k2=%.12e k3=%.12e k4=%.12e delti*k=%.12e deltj*k=%.12e, xi-de*k=%.12e xj-de*k=%.12e  res=%.12e k1234=%.12e,k1-2=%.12e,k3-4=%.12e\n",thetai,thetaj,k,k1,k2,k3,k4,delti[thetai]/k,delti[thetaj]/k,x[thetai]-delti[thetai]/k,x[thetaj]-delti[thetaj]/k, res,k1-k2-k3+k4,k1-k2,k3-k4);
       }
   #ifdef DEBUGHESSIJ
       v1=hess[thetai][thetai];
       v2=hess[thetaj][thetaj];
       cv12=res;
       /* Computing eigen value of Hessian matrix */
       lc1=((v1+v2)+sqrt((v1+v2)*(v1+v2) - 4*(v1*v2-cv12*cv12)))/2.;
       lc2=((v1+v2)-sqrt((v1+v2)*(v1+v2) - 4*(v1*v2-cv12*cv12)))/2.;
       if ((lc2 <0) || (lc1 <0) ){
         printf("Warning: sub Hessian matrix '%d%d' does not have positive eigen values \n",thetai,thetaj);
         fprintf(ficlog, "Warning: sub Hessian matrix '%d%d' does not have positive eigen values \n",thetai,thetaj);
         printf("%d %d k=%d, k1=%.12e k2=%.12e k3=%.12e k4=%.12e delti/k=%.12e deltj/k=%.12e, xi-de/k=%.12e xj-de/k=%.12e  res=%.12e k1234=%.12e,k1-2=%.12e,k3-4=%.12e\n",thetai,thetaj,k,k1,k2,k3,k4,delti[thetai]/k,delti[thetaj]/k,x[thetai]-delti[thetai]/k,x[thetaj]-delti[thetaj]/k, res,k1-k2-k3+k4,k1-k2,k3-k4);
         fprintf(ficlog,"%d %d k=%d, k1=%.12e k2=%.12e k3=%.12e k4=%.12e delti/k=%.12e deltj/k=%.12e, xi-de/k=%.12e xj-de/k=%.12e  res=%.12e k1234=%.12e,k1-2=%.12e,k3-4=%.12e\n",thetai,thetaj,k,k1,k2,k3,k4,delti[thetai]/k,delti[thetaj]/k,x[thetai]-delti[thetai]/k,x[thetaj]-delti[thetaj]/k, res,k1-k2-k3+k4,k1-k2,k3-k4);
       }
   #endif
     }
     return res;
   }
   
       /* Not done yet: Was supposed to fix if not exactly at the maximum */
   /* double hessij( double x[], double delti[], int thetai,int thetaj,double (*func)(double []),int npar) */
   /* { */
   /*   int i; */
   /*   int l=1, lmax=20; */
   /*   double k1,k2,k3,k4,res,fx; */
   /*   double p2[MAXPARM+1]; */
   /*   double delt=0.0001, delts, nkhi=10.,nkhif=1., khi=1.e-4; */
   /*   int k=0,kmax=10; */
   /*   double l1; */
     
   /*   fx=func(x); */
   /*   for(l=0 ; l <=lmax; l++){  /\* Enlarging the zone around the Maximum *\/ */
   /*     l1=pow(10,l); */
   /*     delts=delt; */
   /*     for(k=1 ; k <kmax; k=k+1){ */
   /*       delt = delti*(l1*k); */
   /*       for (i=1;i<=npar;i++) p2[i]=x[i]; */
   /*       p2[thetai]=x[thetai]+delti[thetai]/k; */
   /*       p2[thetaj]=x[thetaj]+delti[thetaj]/k; */
   /*       k1=func(p2)-fx; */
         
   /*       p2[thetai]=x[thetai]+delti[thetai]/k; */
   /*       p2[thetaj]=x[thetaj]-delti[thetaj]/k; */
   /*       k2=func(p2)-fx; */
         
   /*       p2[thetai]=x[thetai]-delti[thetai]/k; */
   /*       p2[thetaj]=x[thetaj]+delti[thetaj]/k; */
   /*       k3=func(p2)-fx; */
         
   /*       p2[thetai]=x[thetai]-delti[thetai]/k; */
   /*       p2[thetaj]=x[thetaj]-delti[thetaj]/k; */
   /*       k4=func(p2)-fx; */
   /*       res=(k1-k2-k3+k4)/4.0/delti[thetai]*k/delti[thetaj]*k/2.; /\* Because of L not 2*L *\/ */
   /* #ifdef DEBUGHESSIJ */
   /*       printf("%d %d k=%d, k1=%.12e k2=%.12e k3=%.12e k4=%.12e delti/k=%.12e deltj/k=%.12e, xi-de/k=%.12e xj-de/k=%.12e  res=%.12e k1234=%.12e,k1-2=%.12e,k3-4=%.12e\n",thetai,thetaj,k,k1,k2,k3,k4,delti[thetai]/k,delti[thetaj]/k,x[thetai]-delti[thetai]/k,x[thetaj]-delti[thetaj]/k, res,k1-k2-k3+k4,k1-k2,k3-k4); */
   /*       fprintf(ficlog,"%d %d k=%d, k1=%.12e k2=%.12e k3=%.12e k4=%.12e delti/k=%.12e deltj/k=%.12e, xi-de/k=%.12e xj-de/k=%.12e  res=%.12e k1234=%.12e,k1-2=%.12e,k3-4=%.12e\n",thetai,thetaj,k,k1,k2,k3,k4,delti[thetai]/k,delti[thetaj]/k,x[thetai]-delti[thetai]/k,x[thetaj]-delti[thetaj]/k, res,k1-k2-k3+k4,k1-k2,k3-k4); */
   /* #endif */
   /*       if((k1 <khi/nkhi/2.) || (k2 <khi/nkhi/2.)|| (k4 <khi/nkhi/2.)|| (k4 <khi/nkhi/2.)){ */
   /*      k=kmax; */
   /*       } */
   /*       else if((k1 >khi/nkhif) || (k2 >khi/nkhif) || (k4 >khi/nkhif) || (k4 >khi/nkhif)){ /\* Keeps lastvalue before 3.84/2 KHI2 5% 1d.f. *\/ */
   /*      k=kmax; l=lmax*10; */
   /*       } */
   /*       else if((k1 >khi/nkhi) || (k2 >khi/nkhi)){  */
   /*      delts=delt; */
   /*       } */
   /*     } /\* End loop k *\/ */
   /*   } */
   /*   delti[theta]=delts; */
   /*   return res;  */
   /* } */
   
   
   /************** Inverse of matrix **************/
   void ludcmp(double **a, int n, int *indx, double *d) 
   { 
     int i,imax,j,k; 
     double big,dum,sum,temp; 
     double *vv; 
    
     vv=vector(1,n); 
     *d=1.0; 
     for (i=1;i<=n;i++) { 
       big=0.0; 
       for (j=1;j<=n;j++) 
         if ((temp=fabs(a[i][j])) > big) big=temp; 
       if (big == 0.0) nrerror("Singular matrix in routine ludcmp"); 
       vv[i]=1.0/big; 
     } 
     for (j=1;j<=n;j++) { 
       for (i=1;i<j;i++) { 
         sum=a[i][j]; 
         for (k=1;k<i;k++) sum -= a[i][k]*a[k][j]; 
         a[i][j]=sum; 
       } 
       big=0.0; 
       for (i=j;i<=n;i++) { 
         sum=a[i][j]; 
         for (k=1;k<j;k++) 
           sum -= a[i][k]*a[k][j]; 
         a[i][j]=sum; 
         if ( (dum=vv[i]*fabs(sum)) >= big) { 
           big=dum; 
           imax=i; 
         } 
       } 
       if (j != imax) { 
         for (k=1;k<=n;k++) { 
           dum=a[imax][k]; 
           a[imax][k]=a[j][k]; 
           a[j][k]=dum; 
         } 
         *d = -(*d); 
         vv[imax]=vv[j]; 
       } 
       indx[j]=imax; 
       if (a[j][j] == 0.0) a[j][j]=TINY; 
       if (j != n) { 
         dum=1.0/(a[j][j]); 
         for (i=j+1;i<=n;i++) a[i][j] *= dum; 
       } 
     } 
     free_vector(vv,1,n);  /* Doesn't work */
   ;
   } 
   
   void lubksb(double **a, int n, int *indx, double b[]) 
   { 
     int i,ii=0,ip,j; 
     double sum; 
    
     for (i=1;i<=n;i++) { 
       ip=indx[i]; 
       sum=b[ip]; 
       b[ip]=b[i]; 
       if (ii) 
         for (j=ii;j<=i-1;j++) sum -= a[i][j]*b[j]; 
       else if (sum) ii=i; 
       b[i]=sum; 
     } 
     for (i=n;i>=1;i--) { 
       sum=b[i]; 
       for (j=i+1;j<=n;j++) sum -= a[i][j]*b[j]; 
       b[i]=sum/a[i][i]; 
     } 
   } 
   
   void pstamp(FILE *fichier)
   {
     fprintf(fichier,"# %s.%s\n#IMaCh version %s, %s\n#%s\n# %s", optionfilefiname,optionfilext,version,copyright, fullversion, strstart);
   }
   
   /************ Frequencies ********************/
   void  freqsummary(char fileres[], int iagemin, int iagemax, int **s, double **agev, int nlstate, int imx, \
                     int *Tvaraff, int **nbcode, int *ncodemax,double **mint,double **anint, char strstart[],\
                     int firstpass,  int lastpass, int stepm, int weightopt, char model[])
   {  /* Some frequencies */
     
     int i, m, jk, j1, bool, z1,j;
     int mi; /* Effective wave */
     int first;
     double ***freq; /* Frequencies */
     double *pp, **prop;
     double pos,posprop, k2, dateintsum=0,k2cpt=0;
     char fileresp[FILENAMELENGTH], fileresphtm[FILENAMELENGTH], fileresphtmfr[FILENAMELENGTH];
     double agebegin, ageend;
       
     pp=vector(1,nlstate);
     prop=matrix(1,nlstate,iagemin-AGEMARGE,iagemax+3+AGEMARGE); 
     /* prop=matrix(1,nlstate,iagemin,iagemax+3); */
     strcpy(fileresp,"P_");
     strcat(fileresp,fileresu);
     /*strcat(fileresphtm,fileresu);*/
     if((ficresp=fopen(fileresp,"w"))==NULL) {
       printf("Problem with prevalence resultfile: %s\n", fileresp);
       fprintf(ficlog,"Problem with prevalence resultfile: %s\n", fileresp);
       exit(0);
     }
   
     strcpy(fileresphtm,subdirfext(optionfilefiname,"PHTM_",".htm"));
     if((ficresphtm=fopen(fileresphtm,"w"))==NULL) {
       printf("Problem with prevalence HTM resultfile '%s' with errno='%s'\n",fileresphtm,strerror(errno));
       fprintf(ficlog,"Problem with prevalence HTM resultfile '%s' with errno='%s'\n",fileresphtm,strerror(errno));
       fflush(ficlog);
       exit(70); 
     }
     else{
       fprintf(ficresphtm,"<html><head>\n<title>IMaCh PHTM_ %s</title></head>\n <body><font size=\"2\">%s <br> %s</font> \
   <hr size=\"2\" color=\"#EC5E5E\"> \n\
   Title=%s <br>Datafile=%s Firstpass=%d Lastpass=%d Stepm=%d Weight=%d Model=1+age+%s<br>\n",\
             fileresphtm,version,fullversion,title,datafile,firstpass,lastpass,stepm, weightopt, model);
     }
       fprintf(ficresphtm,"Current page is file <a href=\"%s\">%s</a><br>\n\n<h4>Frequencies and prevalence by age at begin of transition</h4>\n",fileresphtm, fileresphtm);
       
     strcpy(fileresphtmfr,subdirfext(optionfilefiname,"PHTMFR_",".htm"));
     if((ficresphtmfr=fopen(fileresphtmfr,"w"))==NULL) {
       printf("Problem with frequency table HTM resultfile '%s' with errno='%s'\n",fileresphtmfr,strerror(errno));
       fprintf(ficlog,"Problem with frequency table HTM resultfile '%s' with errno='%s'\n",fileresphtmfr,strerror(errno));
       fflush(ficlog);
       exit(70); 
     }
     else{
       fprintf(ficresphtmfr,"<html><head>\n<title>IMaCh PHTM_Frequency table %s</title></head>\n <body><font size=\"2\">%s <br> %s</font> \
   <hr size=\"2\" color=\"#EC5E5E\"> \n\
   Title=%s <br>Datafile=%s Firstpass=%d Lastpass=%d Stepm=%d Weight=%d Model=1+age+%s<br>\n",\
             fileresphtmfr,version,fullversion,title,datafile,firstpass,lastpass,stepm, weightopt, model);
     }
     fprintf(ficresphtmfr,"Current page is file <a href=\"%s\">%s</a><br>\n\n<h4>Frequencies of all effective transitions by age at begin of transition </h4>Unknown status is -1<br/>\n",fileresphtmfr, fileresphtmfr);
   
     freq= ma3x(-5,nlstate+ndeath,-5,nlstate+ndeath,iagemin-AGEMARGE,iagemax+3+AGEMARGE);
     j1=0;
     
     j=cptcoveff;
     if (cptcovn<1) {j=1;ncodemax[1]=1;}
   
     first=1;
   
     for (j1 = 1; j1 <= (int) pow(2,cptcoveff); j1++){ /* Loop on covariates combination */
         /*printf("cptcoveff=%d Tvaraff=%d", cptcoveff,Tvaraff[1]);
           scanf("%d", i);*/
         for (i=-5; i<=nlstate+ndeath; i++)  
           for (jk=-5; jk<=nlstate+ndeath; jk++)  
             for(m=iagemin; m <= iagemax+3; m++)
               freq[i][jk][m]=0;
         
         for (i=1; i<=nlstate; i++)  
           for(m=iagemin; m <= iagemax+3; m++)
             prop[i][m]=0;
         
         dateintsum=0;
         k2cpt=0;
         for (i=1; i<=imx; i++) { /* For each individual i */
           bool=1;
           if (cptcovn>0) { /* Filter is here: Must be looked at for model=V1+V2+V3+V4 */
             for (z1=1; z1<=cptcoveff; z1++)       
               if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtabm(j1,z1)]){
                   /* Tests if the value of each of the covariates of i is equal to filter j1 */
                 bool=0;
                 /* printf("bool=%d i=%d, z1=%d, Tvaraff[%d]=%d, covar[Tvarff][%d]=%2f, codtabm(%d,%d)=%d, nbcode[Tvaraff][codtabm(%d,%d)=%d, j1=%d\n", 
                   bool,i,z1, z1, Tvaraff[z1],i,covar[Tvaraff[z1]][i],j1,z1,codtabm(j1,z1),
                   j1,z1,nbcode[Tvaraff[z1]][codtabm(j1,z1)],j1);*/
                 /* For j1=7 in V1+V2+V3+V4 = 0 1 1 0 and codtabm(7,3)=1 and nbcde[3][?]=1*/
               } 
           } /* cptcovn > 0 */
   
           if (bool==1){
             /* for(m=firstpass; m<=lastpass; m++){ */
             for(mi=1; mi<wav[i];mi++){
               m=mw[mi][i];
               /* dh[m][i] or dh[mw[mi][i]][i] is the delay between two effective (mi) waves m=mw[mi][i]
                  and mw[mi+1][i]. dh depends on stepm. */
               agebegin=agev[m][i]; /* Age at beginning of wave before transition*/
               ageend=agev[m][i]+(dh[m][i])*stepm/YEARM; /* Age at end of wave and transition */
               if(m >=firstpass && m <=lastpass){
                 k2=anint[m][i]+(mint[m][i]/12.);
                 /*if ((k2>=dateprev1) && (k2<=dateprev2)) {*/
                 if(agev[m][i]==0) agev[m][i]=iagemax+1;  /* All ages equal to 0 are in iagemax+1 */
                 if(agev[m][i]==1) agev[m][i]=iagemax+2;  /* All ages equal to 1 are in iagemax+2 */
                 if (s[m][i]>0 && s[m][i]<=nlstate)  /* If status at wave m is known and a live state */
                   prop[s[m][i]][(int)agev[m][i]] += weight[i];  /* At age of beginning of transition, where status is known */
                 if (m<lastpass) {
                   /* if(s[m][i]==4 && s[m+1][i]==4) */
                   /*   printf(" num=%ld m=%d, i=%d s1=%d s2=%d agev at m=%d\n", num[i], m, i,s[m][i],s[m+1][i], (int)agev[m][i]); */
                   if(s[m][i]==-1)
                     printf(" num=%ld m=%d, i=%d s1=%d s2=%d agev at m=%d agebegin=%.2f ageend=%.2f, agemed=%d\n", num[i], m, i,s[m][i],s[m+1][i], (int)agev[m][i],agebegin, ageend, (int)((agebegin+ageend)/2.));
                   freq[s[m][i]][s[m+1][i]][(int)agev[m][i]] += weight[i]; /* At age of beginning of transition, where status is known */
                   /* freq[s[m][i]][s[m+1][i]][(int)((agebegin+ageend)/2.)] += weight[i]; */
                   freq[s[m][i]][s[m+1][i]][iagemax+3] += weight[i]; /* Total is in iagemax+3 *//* At age of beginning of transition, where status is known */
                 }
               }  
               if ((agev[m][i]>1) && (agev[m][i]< (iagemax+3)) && (anint[m][i]!=9999) && (mint[m][i]!=99)) {
                 dateintsum=dateintsum+k2;
                 k2cpt++;
                 /* printf("i=%ld dateintmean = %lf dateintsum=%lf k2cpt=%lf k2=%lf\n",i, dateintsum/k2cpt, dateintsum,k2cpt, k2); */
               }
               /*}*/
             } /* end m */
           } /* end bool */
         } /* end i = 1 to imx */
          
         /*      fprintf(ficresp, "#Count between %.lf/%.lf/%.lf and %.lf/%.lf/%.lf\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2);*/
         pstamp(ficresp);
         if  (cptcovn>0) {
           fprintf(ficresp, "\n#********** Variable "); 
           fprintf(ficresphtm, "\n<br/><br/><h3>********** Variable "); 
           fprintf(ficresphtmfr, "\n<br/><br/><h3>********** Variable "); 
           for (z1=1; z1<=cptcoveff; z1++){
             fprintf(ficresp, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtabm(j1,z1)]);
             fprintf(ficresphtm, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtabm(j1,z1)]);
             fprintf(ficresphtmfr, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtabm(j1,z1)]);
           }
             fprintf(ficresp, "**********\n#");
           fprintf(ficresphtm, "**********</h3>\n");
           fprintf(ficresphtmfr, "**********</h3>\n");
           fprintf(ficlog, "\n#********** Variable "); 
           for (z1=1; z1<=cptcoveff; z1++) fprintf(ficlog, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtabm(j1,z1)]);
           fprintf(ficlog, "**********\n");
         }
         fprintf(ficresphtm,"<table style=\"text-align:center; border: 1px solid\">");
         for(i=1; i<=nlstate;i++) {
           fprintf(ficresp, " Age Prev(%d) N(%d) N",i,i);
           fprintf(ficresphtm, "<th>Age</th><th>Prev(%d)</th><th>N(%d)</th><th>N</th>",i,i);
         }
         fprintf(ficresp, "\n");
         fprintf(ficresphtm, "\n");
         
         /* Header of frequency table by age */
         fprintf(ficresphtmfr,"<table style=\"text-align:center; border: 1px solid\">");
         fprintf(ficresphtmfr,"<th>Age</th> ");
         for(jk=-1; jk <=nlstate+ndeath; jk++){
           for(m=-1; m <=nlstate+ndeath; m++){
             if(jk!=0 && m!=0)
               fprintf(ficresphtmfr,"<th>%d%d</th> ",jk,m);
           }
         }
         fprintf(ficresphtmfr, "\n");
         
         /* For each age */
         for(i=iagemin; i <= iagemax+3; i++){
           fprintf(ficresphtm,"<tr>");
           if(i==iagemax+1){
             fprintf(ficlog,"1");
             fprintf(ficresphtmfr,"<tr><th>0</th> ");
           }else if(i==iagemax+2){
             fprintf(ficlog,"0");
             fprintf(ficresphtmfr,"<tr><th>Unknown</th> ");
           }else if(i==iagemax+3){
             fprintf(ficlog,"Total");
             fprintf(ficresphtmfr,"<tr><th>Total</th> ");
           }else{
             if(first==1){
               first=0;
               printf("See log file for details...\n");
             }
             fprintf(ficresphtmfr,"<tr><th>%d</th> ",i);
             fprintf(ficlog,"Age %d", i);
           }
           for(jk=1; jk <=nlstate ; jk++){
             for(m=-1, pp[jk]=0; m <=nlstate+ndeath ; m++)
               pp[jk] += freq[jk][m][i]; 
           }
           for(jk=1; jk <=nlstate ; jk++){
             for(m=-1, pos=0; m <=0 ; m++)
               pos += freq[jk][m][i];
             if(pp[jk]>=1.e-10){
               if(first==1){
                 printf(" %d.=%.0f loss[%d]=%.1f%%",jk,pp[jk],jk,100*pos/pp[jk]);
               }
               fprintf(ficlog," %d.=%.0f loss[%d]=%.1f%%",jk,pp[jk],jk,100*pos/pp[jk]);
             }else{
               if(first==1)
                 printf(" %d.=%.0f loss[%d]=NaNQ%%",jk,pp[jk],jk);
               fprintf(ficlog," %d.=%.0f loss[%d]=NaNQ%%",jk,pp[jk],jk);
             }
           }
   
           for(jk=1; jk <=nlstate ; jk++){
             for(m=0, pp[jk]=0; m <=nlstate+ndeath; m++)
               pp[jk] += freq[jk][m][i];
           }       
           for(jk=1,pos=0,posprop=0; jk <=nlstate ; jk++){
             pos += pp[jk];
             posprop += prop[jk][i];
           }
           for(jk=1; jk <=nlstate ; jk++){
             if(pos>=1.e-5){
               if(first==1)
                 printf(" %d.=%.0f prev[%d]=%.1f%%",jk,pp[jk],jk,100*pp[jk]/pos);
               fprintf(ficlog," %d.=%.0f prev[%d]=%.1f%%",jk,pp[jk],jk,100*pp[jk]/pos);
             }else{
               if(first==1)
                 printf(" %d.=%.0f prev[%d]=NaNQ%%",jk,pp[jk],jk);
               fprintf(ficlog," %d.=%.0f prev[%d]=NaNQ%%",jk,pp[jk],jk);
             }
             if( i <= iagemax){
               if(pos>=1.e-5){
                 fprintf(ficresp," %d %.5f %.0f %.0f",i,prop[jk][i]/posprop, prop[jk][i],posprop);
                 fprintf(ficresphtm,"<th>%d</th><td>%.5f</td><td>%.0f</td><td>%.0f</td>",i,prop[jk][i]/posprop, prop[jk][i],posprop);
                 /*probs[i][jk][j1]= pp[jk]/pos;*/
                 /*printf("\ni=%d jk=%d j1=%d %.5f %.0f %.0f %f",i,jk,j1,pp[jk]/pos, pp[jk],pos,probs[i][jk][j1]);*/
               }
               else{
                 fprintf(ficresp," %d NaNq %.0f %.0f",i,prop[jk][i],posprop);
                 fprintf(ficresphtm,"<th>%d</th><td>NaNq</td><td>%.0f</td><td>%.0f</td>",i, prop[jk][i],posprop);
               }
             }
           }
           
           for(jk=-1; jk <=nlstate+ndeath; jk++){
             for(m=-1; m <=nlstate+ndeath; m++){
               if(freq[jk][m][i] !=0 ) { /* minimizing output */
                 if(first==1){
                   printf(" %d%d=%.0f",jk,m,freq[jk][m][i]);
                 }
                 fprintf(ficlog," %d%d=%.0f",jk,m,freq[jk][m][i]);
               }
               if(jk!=0 && m!=0)
                 fprintf(ficresphtmfr,"<td>%.0f</td> ",freq[jk][m][i]);
             }
           }
           fprintf(ficresphtmfr,"</tr>\n ");
           if(i <= iagemax){
             fprintf(ficresp,"\n");
             fprintf(ficresphtm,"</tr>\n");
           }
           if(first==1)
             printf("Others in log...\n");
           fprintf(ficlog,"\n");
         } /* end loop i */
         fprintf(ficresphtm,"</table>\n");
         fprintf(ficresphtmfr,"</table>\n");
         /*}*/
     } /* end j1 */
     dateintmean=dateintsum/k2cpt; 
    
     fclose(ficresp);
     fclose(ficresphtm);
     fclose(ficresphtmfr);
     free_ma3x(freq,-5,nlstate+ndeath,-5,nlstate+ndeath, iagemin-AGEMARGE, iagemax+3+AGEMARGE);
     free_vector(pp,1,nlstate);
     free_matrix(prop,1,nlstate,iagemin-AGEMARGE, iagemax+3+AGEMARGE);
     /* End of Freq */
   }
   
   /************ Prevalence ********************/
   void prevalence(double ***probs, double agemin, double agemax, int **s, double **agev, int nlstate, int imx, int *Tvar, int **nbcode, int *ncodemax,double **mint,double **anint, double dateprev1,double dateprev2, int firstpass, int lastpass)
   {  
     /* Compute observed prevalence between dateprev1 and dateprev2 by counting the number of people
        in each health status at the date of interview (if between dateprev1 and dateprev2).
        We still use firstpass and lastpass as another selection.
     */
    
     int i, m, jk, j1, bool, z1,j;
     int mi; /* Effective wave */
     int iage;
     double agebegin, ageend;
   
     double **prop;
     double posprop; 
     double  y2; /* in fractional years */
     int iagemin, iagemax;
     int first; /** to stop verbosity which is redirected to log file */
   
     iagemin= (int) agemin;
     iagemax= (int) agemax;
     /*pp=vector(1,nlstate);*/
     prop=matrix(1,nlstate,iagemin-AGEMARGE,iagemax+3+AGEMARGE); 
     /*  freq=ma3x(-1,nlstate+ndeath,-1,nlstate+ndeath,iagemin,iagemax+3);*/
     j1=0;
     
     /*j=cptcoveff;*/
     if (cptcovn<1) {j=1;ncodemax[1]=1;}
     
     first=1;
     for(j1=1; j1<= (int) pow(2,cptcoveff);j1++){
       for (i=1; i<=nlstate; i++)  
         for(iage=iagemin-AGEMARGE; iage <= iagemax+3+AGEMARGE; iage++)
                                   prop[i][iage]=0.0;
       
       for (i=1; i<=imx; i++) { /* Each individual */
         bool=1;
         if  (cptcovn>0) {  /* Filter is here: Must be looked at for model=V1+V2+V3+V4 */
                                   for (z1=1; z1<=cptcoveff; z1++) 
                                           if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtabm(j1,z1)]) 
                                                   bool=0;
         } 
         if (bool==1) { 
                                   /* for(m=firstpass; m<=lastpass; m++){/\* Other selection (we can limit to certain interviews*\/ */
                                   for(mi=1; mi<wav[i];mi++){
                                           m=mw[mi][i];
                                           agebegin=agev[m][i]; /* Age at beginning of wave before transition*/
                                           /* ageend=agev[m][i]+(dh[m][i])*stepm/YEARM; /\* Age at end of wave and transition *\/ */
                                           if(m >=firstpass && m <=lastpass){
                                                   y2=anint[m][i]+(mint[m][i]/12.); /* Fractional date in year */
                                                   if ((y2>=dateprev1) && (y2<=dateprev2)) { /* Here is the main selection (fractional years) */
                                                           if(agev[m][i]==0) agev[m][i]=iagemax+1;
                                                           if(agev[m][i]==1) agev[m][i]=iagemax+2;
                                                           if((int)agev[m][i] <iagemin-AGEMARGE || (int)agev[m][i] >iagemax+3+AGEMARGE){
                                                                   printf("Error on individual # %d agev[m][i]=%f <%d-%d or > %d+3+%d  m=%d; either change agemin or agemax or fix data\n",i, agev[m][i],iagemin,AGEMARGE, iagemax,AGEMARGE,m); 
                                                                   exit(1);
                                                           }
                                                           if (s[m][i]>0 && s[m][i]<=nlstate) { 
                                                                   /*if(i>4620) printf(" i=%d m=%d s[m][i]=%d (int)agev[m][i]=%d weight[i]=%f prop=%f\n",i,m,s[m][i],(int)agev[m][m],weight[i],prop[s[m][i]][(int)agev[m][i]]);*/
                                                                   prop[s[m][i]][(int)agev[m][i]] += weight[i];/* At age of beginning of transition, where status is known */
                                                                   prop[s[m][i]][iagemax+3] += weight[i]; 
                                                           } /* end valid statuses */ 
                                                   } /* end selection of dates */
                                           } /* end selection of waves */
                                   } /* end effective waves */
         } /* end bool */
       }
       for(i=iagemin; i <= iagemax+3; i++){  
         for(jk=1,posprop=0; jk <=nlstate ; jk++) { 
                                   posprop += prop[jk][i]; 
         } 
         
         for(jk=1; jk <=nlstate ; jk++){       
                                   if( i <=  iagemax){ 
                                           if(posprop>=1.e-5){ 
                                                   probs[i][jk][j1]= prop[jk][i]/posprop;
                                           } else{
                                                   if(first==1){
                                                           first=0;
                                                           printf("Warning Observed prevalence probs[%d][%d][%d]=%lf because of lack of cases\nSee others on log file...\n",jk,i,j1,probs[i][jk][j1]);
                                                   }
                                           }
                                   } 
         }/* end jk */ 
       }/* end i */ 
       /*} *//* end i1 */
     } /* end j1 */
     
     /*  free_ma3x(freq,-1,nlstate+ndeath,-1,nlstate+ndeath, iagemin, iagemax+3);*/
     /*free_vector(pp,1,nlstate);*/
     free_matrix(prop,1,nlstate, iagemin-AGEMARGE,iagemax+3+AGEMARGE);
   }  /* End of prevalence */
   
   /************* Waves Concatenation ***************/
   
   void  concatwav(int wav[], int **dh, int **bh,  int **mw, int **s, double *agedc, double **agev, int  firstpass, int lastpass, int imx, int nlstate, int stepm)
   {
     /* Concatenates waves: wav[i] is the number of effective (useful waves) of individual i.
        Death is a valid wave (if date is known).
        mw[mi][i] is the mi (mi=1 to wav[i])  effective wave of individual i
        dh[m][i] or dh[mw[mi][i]][i] is the delay between two effective waves m=mw[mi][i]
        and mw[mi+1][i]. dh depends on stepm.
        */
   
     int i, mi, m;
     /* int j, k=0,jk, ju, jl,jmin=1e+5, jmax=-1;
        double sum=0., jmean=0.;*/
     int first, firstwo, firsthree, firstfour;
     int j, k=0,jk, ju, jl;
     double sum=0.;
     first=0;
     firstwo=0;
     firsthree=0;
     firstfour=0;
     jmin=100000;
     jmax=-1;
     jmean=0.;
     for(i=1; i<=imx; i++){  /* For simple cases and if state is death */
       mi=0;
       m=firstpass;
       while(s[m][i] <= nlstate){  /* a live state */
         if(s[m][i]>=1 || s[m][i]==-4 || s[m][i]==-5){ /* Since 0.98r4 if status=-2 vital status is really unknown, wave should be skipped */
           mw[++mi][i]=m;
         }
         if(m >=lastpass){
           if(s[m][i]==-1 && (int) andc[i] == 9999 && (int)anint[m][i] != 9999){
             if(firsthree == 0){
               printf("Information! Unknown health status for individual %ld line=%d occurred at last wave %d at known date %d/%d. Please, check if your unknown date of death %d/%d means a live state %d at wave %d. This case(%d)/wave(%d) contributes to the likelihood.\nOthers in log file only\n",num[i],i,lastpass,(int)mint[m][i],(int)anint[m][i], (int) moisdc[i], (int) andc[i], s[m][i], m, i, m);
               firsthree=1;
             }
             fprintf(ficlog,"Information! Unknown status for individual %ld line=%d occurred at last wave %d at known date %d/%d. Please, check if your unknown date of death %d/%d means a live state %d at wave %d. This case(%d)/wave(%d) contributes to the likelihood.\n",num[i],i,lastpass,(int)mint[m][i],(int)anint[m][i], (int) moisdc[i], (int) andc[i], s[m][i], m, i, m);
             mw[++mi][i]=m;
           }
           if(s[m][i]==-2){ /* Vital status is really unknown */
             nbwarn++;
             if((int)anint[m][i] == 9999){  /*  Has the vital status really been verified? */
               printf("Warning! Vital status for individual %ld (line=%d) at last wave %d interviewed at date %d/%d is unknown %d. Please, check if the vital status and the date of death %d/%d are really unknown. This case (%d)/wave (%d) is skipped, no contribution to likelihood.\nOthers in log file only\n",num[i],i,lastpass,(int)mint[m][i],(int)anint[m][i], s[m][i], (int) moisdc[i], (int) andc[i], i, m);
               fprintf(ficlog,"Warning! Vital status for individual %ld (line=%d) at last wave %d interviewed at date %d/%d is unknown %d. Please, check if the vital status and the date of death %d/%d are really unknown. This case (%d)/wave (%d) is skipped, no contribution to likelihood.\nOthers in log file only\n",num[i],i,lastpass,(int)mint[m][i],(int)anint[m][i], s[m][i], (int) moisdc[i], (int) andc[i], i, m);
             }
             break;
           }
           break;
         }
         else
           m++;
       }/* end while */
       
       /* After last pass */
       if (s[m][i] > nlstate){  /* In a death state */
         mi++;     /* Death is another wave */
         /* if(mi==0)  never been interviewed correctly before death */
            /* Only death is a correct wave */
         mw[mi][i]=m;
       }else if ((int) andc[i] != 9999) { /* Status is either death or negative. A death occured after lastpass, we can't take it into account because of potential bias */
         /* m++; */
         /* mi++; */
         /* s[m][i]=nlstate+1;  /\* We are setting the status to the last of non live state *\/ */
         /* mw[mi][i]=m; */
         nberr++;
         if ((int)anint[m][i]!= 9999) { /* date of last interview is known */
           if(firstwo==0){
             printf("Error! Death for individual %ld line=%d  occurred %d/%d after last wave %d interviewed at %d/%d. Potential bias if other individuals are still alive at this date but ignored. This case (%d)/wave (%d) is skipped, no contribution to likelihood.\nOthers in log file only\n",num[i],i,(int) moisdc[i], (int) andc[i], lastpass,(int)mint[m][i],(int)anint[m][i], i,m );
             firstwo=1;
           }
           fprintf(ficlog,"Error! Death for individual %ld line=%d  occurred %d/%d after last wave %d interviewed at %d/%d. Potential bias if other individuals are still alive at this date but ignored. This case (%d)/wave (%d) is skipped, no contribution to likelihood.\n",num[i],i,(int) moisdc[i], (int) andc[i], lastpass,(int)mint[m][i],(int)anint[m][i], i,m );
         }else{ /* end date of interview is known */
           /* death is known but not confirmed by death status at any wave */
           if(firstfour==0){
             printf("Error! Death for individual %ld line=%d  occurred %d/%d but not confirmed by any death status for any wave, including last wave %d at unknown date %d/%d. Potential bias if other individuals are still alive at this date but ignored. This case (%d)/wave (%d) is skipped, no contribution to likelihood.\nOthers in log file only\n",num[i],i,(int) moisdc[i], (int) andc[i], lastpass,(int)mint[m][i],(int)anint[m][i], i,m );
             firstfour=1;
           }
           fprintf(ficlog,"Error! Death for individual %ld line=%d  occurred %d/%d but not confirmed by any death status for any wave, including last wave %d at unknown date %d/%d. Potential bias if other individuals are still alive at this date but ignored. This case (%d)/wave (%d) is skipped, no contribution to likelihood.\n",num[i],i,(int) moisdc[i], (int) andc[i], lastpass,(int)mint[m][i],(int)anint[m][i], i,m );
         }
       }
       wav[i]=mi;
       if(mi==0){
         nbwarn++;
         if(first==0){
           printf("Warning! No valid information for individual %ld line=%d (skipped) and may be others, see log file\n",num[i],i);
           first=1;
         }
         if(first==1){
           fprintf(ficlog,"Warning! No valid information for individual %ld line=%d (skipped)\n",num[i],i);
         }
       } /* end mi==0 */
     } /* End individuals */
     /* wav and mw are no more changed */
   
     
     for(i=1; i<=imx; i++){
       for(mi=1; mi<wav[i];mi++){
         if (stepm <=0)
           dh[mi][i]=1;
         else{
           if (s[mw[mi+1][i]][i] > nlstate) { /* A death */
             if (agedc[i] < 2*AGESUP) {
               j= rint(agedc[i]*12-agev[mw[mi][i]][i]*12); 
               if(j==0) j=1;  /* Survives at least one month after exam */
               else if(j<0){
                 nberr++;
                 printf("Error! Negative delay (%d to death) between waves %d and %d of individual %ld at line %d who is aged %.1f with statuses from %d to %d\n ",j,mw[mi][i],mw[mi+1][i],num[i], i,agev[mw[mi][i]][i],s[mw[mi][i]][i] ,s[mw[mi+1][i]][i]);
                 j=1; /* Temporary Dangerous patch */
                 printf("   We assumed that the date of interview was correct (and not the date of death) and postponed the death %d month(s) (one stepm) after the interview. You MUST fix the contradiction between dates.\n",stepm);
                 fprintf(ficlog,"Error! Negative delay (%d to death) between waves %d and %d of individual %ld at line %d who is aged %.1f with statuses from %d to %d\n ",j,mw[mi][i],mw[mi+1][i],num[i], i,agev[mw[mi][i]][i],s[mw[mi][i]][i] ,s[mw[mi+1][i]][i]);
                 fprintf(ficlog,"   We assumed that the date of interview was correct (and not the date of death) and postponed the death %d month(s) (one stepm) after the interview. You MUST fix the contradiction between dates.\n",stepm);
               }
               k=k+1;
               if (j >= jmax){
                 jmax=j;
                 ijmax=i;
               }
               if (j <= jmin){
                 jmin=j;
                 ijmin=i;
               }
               sum=sum+j;
               /*if (j<0) printf("j=%d num=%d \n",j,i);*/
               /*    printf("%d %d %d %d\n", s[mw[mi][i]][i] ,s[mw[mi+1][i]][i],j,i);*/
             }
           }
           else{
             j= rint( (agev[mw[mi+1][i]][i]*12 - agev[mw[mi][i]][i]*12));
   /*        if (j<0) printf("%d %lf %lf %d %d %d\n", i,agev[mw[mi+1][i]][i], agev[mw[mi][i]][i],j,s[mw[mi][i]][i] ,s[mw[mi+1][i]][i]); */
   
             k=k+1;
             if (j >= jmax) {
               jmax=j;
               ijmax=i;
             }
             else if (j <= jmin){
               jmin=j;
               ijmin=i;
             }
             /*        if (j<10) printf("j=%d jmin=%d num=%d ",j,jmin,i); */
             /*printf("%d %lf %d %d %d\n", i,agev[mw[mi][i]][i],j,s[mw[mi][i]][i] ,s[mw[mi+1][i]][i]);*/
             if(j<0){
               nberr++;
               printf("Error! Negative delay (%d) between waves %d and %d of individual %ld at line %d who is aged %.1f with statuses from %d to %d\n ",j,mw[mi][i],mw[mi+1][i],num[i], i,agev[mw[mi][i]][i],s[mw[mi][i]][i] ,s[mw[mi+1][i]][i]);
               fprintf(ficlog,"Error! Negative delay (%d) between waves %d and %d of individual %ld at line %d who is aged %.1f with statuses from %d to %d\n ",j,mw[mi][i],mw[mi+1][i],num[i], i,agev[mw[mi][i]][i],s[mw[mi][i]][i] ,s[mw[mi+1][i]][i]);
             }
             sum=sum+j;
           }
           jk= j/stepm;
           jl= j -jk*stepm;
           ju= j -(jk+1)*stepm;
           if(mle <=1){ /* only if we use a the linear-interpoloation pseudo-likelihood */
             if(jl==0){
               dh[mi][i]=jk;
               bh[mi][i]=0;
             }else{ /* We want a negative bias in order to only have interpolation ie
                     * to avoid the price of an extra matrix product in likelihood */
               dh[mi][i]=jk+1;
               bh[mi][i]=ju;
             }
           }else{
             if(jl <= -ju){
               dh[mi][i]=jk;
               bh[mi][i]=jl;       /* bias is positive if real duration
                                    * is higher than the multiple of stepm and negative otherwise.
                                    */
             }
             else{
               dh[mi][i]=jk+1;
               bh[mi][i]=ju;
             }
             if(dh[mi][i]==0){
               dh[mi][i]=1; /* At least one step */
               bh[mi][i]=ju; /* At least one step */
               /*  printf(" bh=%d ju=%d jl=%d dh=%d jk=%d stepm=%d %d\n",bh[mi][i],ju,jl,dh[mi][i],jk,stepm,i);*/
             }
           } /* end if mle */
         }
       } /* end wave */
     }
     jmean=sum/k;
     printf("Delay (in months) between two waves Min=%d (for indiviudal %ld) Max=%d (%ld) Mean=%f\n\n ",jmin, num[ijmin], jmax, num[ijmax], jmean);
     fprintf(ficlog,"Delay (in months) between two waves Min=%d (for indiviudal %d) Max=%d (%d) Mean=%f\n\n ",jmin, ijmin, jmax, ijmax, jmean);
    }
   
   /*********** Tricode ****************************/
   void tricode(int *Tvar, int **nbcode, int imx, int *Ndum)
   {
     /**< Uses cptcovn+2*cptcovprod as the number of covariates */
     /*      Tvar[i]=atoi(stre);  find 'n' in Vn and stores in Tvar. If model=V2+V1 Tvar[1]=2 and Tvar[2]=1 
      * Boring subroutine which should only output nbcode[Tvar[j]][k]
      * Tvar[5] in V2+V1+V3*age+V2*V4 is 2 (V2)
      * nbcode[Tvar[j]][1]= 
     */
   
     int ij=1, k=0, j=0, i=0, maxncov=NCOVMAX;
     int modmaxcovj=0; /* Modality max of covariates j */
     int cptcode=0; /* Modality max of covariates j */
     int modmincovj=0; /* Modality min of covariates j */
   
   
     cptcoveff=0; 
    
     for (k=1; k <= maxncov; k++) ncodemax[k]=0; /* Horrible constant again replaced by NCOVMAX */
   
     /* Loop on covariates without age and products */
     for (j=1; j<=(cptcovs); j++) { /* From model V1 + V2*age+ V3 + V3*V4 keeps V1 + V3 = 2 only */
       for (k=-1; k < maxncov; k++) Ndum[k]=0;
       for (i=1; i<=imx; i++) { /* Loop on individuals: reads the data file to get the maximum value of the 
                                  modality of this covariate Vj*/ 
         ij=(int)(covar[Tvar[j]][i]); /* ij=0 or 1 or -1. Value of the covariate Tvar[j] for individual i
                                       * If product of Vn*Vm, still boolean *:
                                       * If it was coded 1, 2, 3, 4 should be splitted into 3 boolean variables
                                       * 1 => 0 0 0, 2 => 0 0 1, 3 => 0 1 1, 4=1 0 0   */
         /* Finds for covariate j, n=Tvar[j] of Vn . ij is the
                                         modality of the nth covariate of individual i. */
         if (ij > modmaxcovj)
           modmaxcovj=ij; 
         else if (ij < modmincovj) 
           modmincovj=ij; 
         if ((ij < -1) && (ij > NCOVMAX)){
           printf( "Error: minimal is less than -1 or maximal is bigger than %d. Exiting. \n", NCOVMAX );
           exit(1);
         }else
         Ndum[ij]++; /*counts and stores the occurence of this modality 0, 1, -1*/
         /*  If coded 1, 2, 3 , counts the number of 1 Ndum[1], number of 2, Ndum[2], etc */
         /*printf("i=%d ij=%d Ndum[ij]=%d imx=%d",i,ij,Ndum[ij],imx);*/
         /* getting the maximum value of the modality of the covariate
            (should be 0 or 1 now) Tvar[j]. If V=sex and male is coded 0 and
            female is 1, then modmaxcovj=1.*/
       } /* end for loop on individuals i */
       printf(" Minimal and maximal values of %d th covariate V%d: min=%d max=%d \n", j, Tvar[j], modmincovj, modmaxcovj);
       fprintf(ficlog," Minimal and maximal values of %d th covariate V%d: min=%d max=%d \n", j, Tvar[j], modmincovj, modmaxcovj);
       cptcode=modmaxcovj;
       /* Ndum[0] = frequency of 0 for model-covariate j, Ndum[1] frequency of 1 etc. */
      /*for (i=0; i<=cptcode; i++) {*/
       for (k=modmincovj;  k<=modmaxcovj; k++) { /* k=-1 ? 0 and 1*//* For each value k of the modality of model-cov j */
         printf("Frequencies of covariates %d ie V%d with value %d: %d\n", j, Tvar[j], k, Ndum[k]);
         fprintf(ficlog, "Frequencies of covariates %d ie V%d with value %d: %d\n", j, Tvar[j], k, Ndum[k]);
         if( Ndum[k] != 0 ){ /* Counts if nobody answered modality k ie empty modality, we skip it and reorder */
           if( k != -1){
             ncodemax[j]++;  /* ncodemax[j]= Number of modalities of the j th
                                covariate for which somebody answered excluding 
                                undefined. Usually 2: 0 and 1. */
           }
           ncodemaxwundef[j]++; /* ncodemax[j]= Number of modalities of the j th
                                covariate for which somebody answered including 
                                undefined. Usually 3: -1, 0 and 1. */
         }
         /* In fact  ncodemax[j]=2 (dichotom. variables only) but it could be more for
            historical reasons: 3 if coded 1, 2, 3 and 4 and Ndum[2]=0 */
       } /* Ndum[-1] number of undefined modalities */
   
       /* j is a covariate, n=Tvar[j] of Vn; Fills nbcode */
       /* For covariate j, modalities could be 1, 2, 3, 4, 5, 6, 7. 
          If Ndum[1]=0, Ndum[2]=0, Ndum[3]= 635, Ndum[4]=0, Ndum[5]=0, Ndum[6]=27, Ndum[7]=125;
          modmincovj=3; modmaxcovj = 7;
          There are only 3 modalities non empty 3, 6, 7 (or 2 if 27 is too few) : ncodemax[j]=3;
          which will be coded 0, 1, 2 which in binary on 2=3-1 digits are 0=00 1=01, 2=10;
          defining two dummy variables: variables V1_1 and V1_2.
          nbcode[Tvar[j]][ij]=k;
          nbcode[Tvar[j]][1]=0;
          nbcode[Tvar[j]][2]=1;
          nbcode[Tvar[j]][3]=2;
          To be continued (not working yet).
       */
       ij=0; /* ij is similar to i but can jump over null modalities */
       for (i=modmincovj; i<=modmaxcovj; i++) { /* i= 1 to 2 for dichotomous, or from 1 to 3 or from -1 or 0 to 1 currently*/
           if (Ndum[i] == 0) { /* If nobody responded to this modality k */
             break;
           }
           ij++;
           nbcode[Tvar[j]][ij]=i;  /* stores the original value of modality i in an array nbcode, ij modality from 1 to last non-nul modality.*/
           cptcode = ij; /* New max modality for covar j */
       } /* end of loop on modality i=-1 to 1 or more */
         
       /*   for (k=0; k<= cptcode; k++) { /\* k=-1 ? k=0 to 1 *\//\* Could be 1 to 4 *\//\* cptcode=modmaxcovj *\/ */
       /*  /\*recode from 0 *\/ */
       /*                               k is a modality. If we have model=V1+V1*sex  */
       /*                               then: nbcode[1][1]=0 ; nbcode[1][2]=1; nbcode[2][1]=0 ; nbcode[2][2]=1; */
       /*                            But if some modality were not used, it is recoded from 0 to a newer modmaxcovj=cptcode *\/ */
       /*  } */
       /*  /\* cptcode = ij; *\/ /\* New max modality for covar j *\/ */
       /*  if (ij > ncodemax[j]) { */
       /*    printf( " Error ij=%d > ncodemax[%d]=%d\n", ij, j, ncodemax[j]);  */
       /*    fprintf(ficlog, " Error ij=%d > ncodemax[%d]=%d\n", ij, j, ncodemax[j]); */
       /*    break; */
       /*  } */
       /*   }  /\* end of loop on modality k *\/ */
     } /* end of loop on model-covariate j. nbcode[Tvarj][1]=0 and nbcode[Tvarj][2]=1 sets the value of covariate j*/  
     
    for (k=-1; k< maxncov; k++) Ndum[k]=0; 
     
     for (i=1; i<=ncovmodel-2-nagesqr; i++) { /* -2, cste and age and eventually age*age */ 
      /* Listing of all covariables in statement model to see if some covariates appear twice. For example, V1 appears twice in V1+V1*V2.*/ 
      ij=Tvar[i]; /* Tvar might be -1 if status was unknown */ 
      Ndum[ij]++; /* Might be supersed V1 + V1*age */
    } 
   
    ij=0;
    for (i=0; i<=  maxncov-1; i++) { /* modmaxcovj is unknown here. Only Ndum[2(V2),3(age*V3), 5(V3*V2) 6(V1*V4) */
      /*printf("Ndum[%d]=%d\n",i, Ndum[i]);*/
      if((Ndum[i]!=0) && (i<=ncovcol)){
        ij++;
        /*printf("diff Ndum[%d]=%d\n",i, Ndum[i]);*/
        Tvaraff[ij]=i; /*For printing (unclear) */
      }else{
          /* Tvaraff[ij]=0; */
      }
    }
    /* ij--; */
    cptcoveff=ij; /*Number of total covariates*/
   
   }
   
   
   /*********** Health Expectancies ****************/
   
   void evsij(double ***eij, double x[], int nlstate, int stepm, int bage, int fage, double **oldm, double **savm, int cij, int estepm,char strstart[] )
   
   {
     /* Health expectancies, no variances */
     int i, j, nhstepm, hstepm, h, nstepm;
     int nhstepma, nstepma; /* Decreasing with age */
     double age, agelim, hf;
     double ***p3mat;
     double eip;
   
     pstamp(ficreseij);
     fprintf(ficreseij,"# (a) Life expectancies by health status at initial age and (b) health expectancies by health status at initial age\n");
     fprintf(ficreseij,"# Age");
     for(i=1; i<=nlstate;i++){
       for(j=1; j<=nlstate;j++){
         fprintf(ficreseij," e%1d%1d ",i,j);
       }
       fprintf(ficreseij," e%1d. ",i);
     }
     fprintf(ficreseij,"\n");
   
     
     if(estepm < stepm){
       printf ("Problem %d lower than %d\n",estepm, stepm);
     }
     else  hstepm=estepm;   
     /* We compute the life expectancy from trapezoids spaced every estepm months
      * This is mainly to measure the difference between two models: for example
      * if stepm=24 months pijx are given only every 2 years and by summing them
      * we are calculating an estimate of the Life Expectancy assuming a linear 
      * progression in between and thus overestimating or underestimating according
      * to the curvature of the survival function. If, for the same date, we 
      * estimate the model with stepm=1 month, we can keep estepm to 24 months
      * to compare the new estimate of Life expectancy with the same linear 
      * hypothesis. A more precise result, taking into account a more precise
      * curvature will be obtained if estepm is as small as stepm. */
   
     /* For example we decided to compute the life expectancy with the smallest unit */
     /* hstepm beeing the number of stepms, if hstepm=1 the length of hstepm is stepm. 
        nhstepm is the number of hstepm from age to agelim 
        nstepm is the number of stepm from age to agelin. 
        Look at hpijx to understand the reason of that which relies in memory size
        and note for a fixed period like estepm months */
     /* We decided (b) to get a life expectancy respecting the most precise curvature of the
        survival function given by stepm (the optimization length). Unfortunately it
        means that if the survival funtion is printed only each two years of age and if
        you sum them up and add 1 year (area under the trapezoids) you won't get the same 
        results. So we changed our mind and took the option of the best precision.
     */
     hstepm=hstepm/stepm; /* Typically in stepm units, if stepm=6 & estepm=24 , = 24/6 months = 4 */ 
   
     agelim=AGESUP;
     /* If stepm=6 months */
       /* Computed by stepm unit matrices, product of hstepm matrices, stored
          in an array of nhstepm length: nhstepm=10, hstepm=4, stepm=6 months */
       
   /* nhstepm age range expressed in number of stepm */
     nstepm=(int) rint((agelim-bage)*YEARM/stepm); /* Biggest nstepm */
     /* Typically if 20 years nstepm = 20*12/6=40 stepm */ 
     /* if (stepm >= YEARM) hstepm=1;*/
     nhstepm = nstepm/hstepm;/* Expressed in hstepm, typically nhstepm=40/4=10 */
     p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
   
     for (age=bage; age<=fage; age ++){ 
       nstepma=(int) rint((agelim-bage)*YEARM/stepm); /* Biggest nstepm */
       /* Typically if 20 years nstepm = 20*12/6=40 stepm */ 
       /* if (stepm >= YEARM) hstepm=1;*/
       nhstepma = nstepma/hstepm;/* Expressed in hstepm, typically nhstepma=40/4=10 */
   
       /* If stepm=6 months */
       /* Computed by stepm unit matrices, product of hstepma matrices, stored
          in an array of nhstepma length: nhstepma=10, hstepm=4, stepm=6 months */
       
       hpxij(p3mat,nhstepma,age,hstepm,x,nlstate,stepm,oldm, savm, cij);  
       
       hf=hstepm*stepm/YEARM;  /* Duration of hstepm expressed in year unit. */
       
       printf("%d|",(int)age);fflush(stdout);
       fprintf(ficlog,"%d|",(int)age);fflush(ficlog);
       
       /* Computing expectancies */
       for(i=1; i<=nlstate;i++)
         for(j=1; j<=nlstate;j++)
           for (h=0, eij[i][j][(int)age]=0; h<=nhstepm-1; h++){
             eij[i][j][(int)age] += (p3mat[i][j][h]+p3mat[i][j][h+1])/2.0*hf;
             
             /* if((int)age==70)printf("i=%2d,j=%2d,h=%2d,age=%3d,%9.4f,%9.4f,%9.4f\n",i,j,h,(int)age,p3mat[i][j][h],hf,eij[i][j][(int)age]);*/
   
           }
   
       fprintf(ficreseij,"%3.0f",age );
       for(i=1; i<=nlstate;i++){
         eip=0;
         for(j=1; j<=nlstate;j++){
           eip +=eij[i][j][(int)age];
           fprintf(ficreseij,"%9.4f", eij[i][j][(int)age] );
         }
         fprintf(ficreseij,"%9.4f", eip );
       }
       fprintf(ficreseij,"\n");
       
     }
     free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
     printf("\n");
     fprintf(ficlog,"\n");
     
   }
   
   void cvevsij(double ***eij, double x[], int nlstate, int stepm, int bage, int fage, double **oldm, double **savm, int cij, int estepm,double delti[],double **matcov,char strstart[] )
   
   {
     /* Covariances of health expectancies eij and of total life expectancies according
      to initial status i, ei. .
     */
     int i, j, nhstepm, hstepm, h, nstepm, k, cptj, cptj2, i2, j2, ij, ji;
     int nhstepma, nstepma; /* Decreasing with age */
     double age, agelim, hf;
     double ***p3matp, ***p3matm, ***varhe;
     double **dnewm,**doldm;
     double *xp, *xm;
     double **gp, **gm;
     double ***gradg, ***trgradg;
     int theta;
   
     double eip, vip;
   
     varhe=ma3x(1,nlstate*nlstate,1,nlstate*nlstate,(int) bage, (int) fage);
     xp=vector(1,npar);
     xm=vector(1,npar);
     dnewm=matrix(1,nlstate*nlstate,1,npar);
     doldm=matrix(1,nlstate*nlstate,1,nlstate*nlstate);
     
     pstamp(ficresstdeij);
     fprintf(ficresstdeij,"# Health expectancies with standard errors\n");
     fprintf(ficresstdeij,"# Age");
     for(i=1; i<=nlstate;i++){
       for(j=1; j<=nlstate;j++)
         fprintf(ficresstdeij," e%1d%1d (SE)",i,j);
       fprintf(ficresstdeij," e%1d. ",i);
     }
     fprintf(ficresstdeij,"\n");
   
     pstamp(ficrescveij);
     fprintf(ficrescveij,"# Subdiagonal matrix of covariances of health expectancies by age: cov(eij,ekl)\n");
     fprintf(ficrescveij,"# Age");
     for(i=1; i<=nlstate;i++)
       for(j=1; j<=nlstate;j++){
         cptj= (j-1)*nlstate+i;
         for(i2=1; i2<=nlstate;i2++)
           for(j2=1; j2<=nlstate;j2++){
             cptj2= (j2-1)*nlstate+i2;
             if(cptj2 <= cptj)
               fprintf(ficrescveij,"  %1d%1d,%1d%1d",i,j,i2,j2);
           }
       }
     fprintf(ficrescveij,"\n");
     
     if(estepm < stepm){
       printf ("Problem %d lower than %d\n",estepm, stepm);
     }
     else  hstepm=estepm;   
     /* We compute the life expectancy from trapezoids spaced every estepm months
      * This is mainly to measure the difference between two models: for example
      * if stepm=24 months pijx are given only every 2 years and by summing them
      * we are calculating an estimate of the Life Expectancy assuming a linear 
      * progression in between and thus overestimating or underestimating according
      * to the curvature of the survival function. If, for the same date, we 
      * estimate the model with stepm=1 month, we can keep estepm to 24 months
      * to compare the new estimate of Life expectancy with the same linear 
      * hypothesis. A more precise result, taking into account a more precise
      * curvature will be obtained if estepm is as small as stepm. */
   
     /* For example we decided to compute the life expectancy with the smallest unit */
     /* hstepm beeing the number of stepms, if hstepm=1 the length of hstepm is stepm. 
        nhstepm is the number of hstepm from age to agelim 
        nstepm is the number of stepm from age to agelin. 
        Look at hpijx to understand the reason of that which relies in memory size
        and note for a fixed period like estepm months */
     /* We decided (b) to get a life expectancy respecting the most precise curvature of the
        survival function given by stepm (the optimization length). Unfortunately it
        means that if the survival funtion is printed only each two years of age and if
        you sum them up and add 1 year (area under the trapezoids) you won't get the same 
        results. So we changed our mind and took the option of the best precision.
     */
     hstepm=hstepm/stepm; /* Typically in stepm units, if stepm=6 & estepm=24 , = 24/6 months = 4 */ 
   
     /* If stepm=6 months */
     /* nhstepm age range expressed in number of stepm */
     agelim=AGESUP;
     nstepm=(int) rint((agelim-bage)*YEARM/stepm); 
     /* Typically if 20 years nstepm = 20*12/6=40 stepm */ 
     /* if (stepm >= YEARM) hstepm=1;*/
     nhstepm = nstepm/hstepm;/* Expressed in hstepm, typically nhstepm=40/4=10 */
     
     p3matp=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
     p3matm=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
     gradg=ma3x(0,nhstepm,1,npar,1,nlstate*nlstate);
     trgradg =ma3x(0,nhstepm,1,nlstate*nlstate,1,npar);
     gp=matrix(0,nhstepm,1,nlstate*nlstate);
     gm=matrix(0,nhstepm,1,nlstate*nlstate);
   
     for (age=bage; age<=fage; age ++){ 
       nstepma=(int) rint((agelim-bage)*YEARM/stepm); /* Biggest nstepm */
       /* Typically if 20 years nstepm = 20*12/6=40 stepm */ 
       /* if (stepm >= YEARM) hstepm=1;*/
       nhstepma = nstepma/hstepm;/* Expressed in hstepm, typically nhstepma=40/4=10 */
                   
       /* If stepm=6 months */
       /* Computed by stepm unit matrices, product of hstepma matrices, stored
          in an array of nhstepma length: nhstepma=10, hstepm=4, stepm=6 months */
       
       hf=hstepm*stepm/YEARM;  /* Duration of hstepm expressed in year unit. */
                   
       /* Computing  Variances of health expectancies */
       /* Gradient is computed with plus gp and minus gm. Code is duplicated in order to
          decrease memory allocation */
       for(theta=1; theta <=npar; theta++){
         for(i=1; i<=npar; i++){ 
                                   xp[i] = x[i] + (i==theta ?delti[theta]:0);
                                   xm[i] = x[i] - (i==theta ?delti[theta]:0);
         }
         hpxij(p3matp,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, cij);  
         hpxij(p3matm,nhstepm,age,hstepm,xm,nlstate,stepm,oldm,savm, cij);  
                           
         for(j=1; j<= nlstate; j++){
                                   for(i=1; i<=nlstate; i++){
                                           for(h=0; h<=nhstepm-1; h++){
                                                   gp[h][(j-1)*nlstate + i] = (p3matp[i][j][h]+p3matp[i][j][h+1])/2.;
                                                   gm[h][(j-1)*nlstate + i] = (p3matm[i][j][h]+p3matm[i][j][h+1])/2.;
                                           }
                                   }
         }
                           
         for(ij=1; ij<= nlstate*nlstate; ij++)
                                   for(h=0; h<=nhstepm-1; h++){
                                           gradg[h][theta][ij]= (gp[h][ij]-gm[h][ij])/2./delti[theta];
                                   }
       }/* End theta */
       
       
       for(h=0; h<=nhstepm-1; h++)
         for(j=1; j<=nlstate*nlstate;j++)
                                   for(theta=1; theta <=npar; theta++)
                                           trgradg[h][j][theta]=gradg[h][theta][j];
       
                   
                   for(ij=1;ij<=nlstate*nlstate;ij++)
         for(ji=1;ji<=nlstate*nlstate;ji++)
                                   varhe[ij][ji][(int)age] =0.;
                   
                   printf("%d|",(int)age);fflush(stdout);
                   fprintf(ficlog,"%d|",(int)age);fflush(ficlog);
                   for(h=0;h<=nhstepm-1;h++){
         for(k=0;k<=nhstepm-1;k++){
                                   matprod2(dnewm,trgradg[h],1,nlstate*nlstate,1,npar,1,npar,matcov);
                                   matprod2(doldm,dnewm,1,nlstate*nlstate,1,npar,1,nlstate*nlstate,gradg[k]);
                                   for(ij=1;ij<=nlstate*nlstate;ij++)
                                           for(ji=1;ji<=nlstate*nlstate;ji++)
                                                   varhe[ij][ji][(int)age] += doldm[ij][ji]*hf*hf;
         }
       }
                   
       /* Computing expectancies */
       hpxij(p3matm,nhstepm,age,hstepm,x,nlstate,stepm,oldm, savm, cij);  
       for(i=1; i<=nlstate;i++)
         for(j=1; j<=nlstate;j++)
                                   for (h=0, eij[i][j][(int)age]=0; h<=nhstepm-1; h++){
                                           eij[i][j][(int)age] += (p3matm[i][j][h]+p3matm[i][j][h+1])/2.0*hf;
                                           
                                           /* if((int)age==70)printf("i=%2d,j=%2d,h=%2d,age=%3d,%9.4f,%9.4f,%9.4f\n",i,j,h,(int)age,p3mat[i][j][h],hf,eij[i][j][(int)age]);*/
                                           
                                   }
                   
       fprintf(ficresstdeij,"%3.0f",age );
       for(i=1; i<=nlstate;i++){
         eip=0.;
         vip=0.;
         for(j=1; j<=nlstate;j++){
                                   eip += eij[i][j][(int)age];
                                   for(k=1; k<=nlstate;k++) /* Sum on j and k of cov(eij,eik) */
                                           vip += varhe[(j-1)*nlstate+i][(k-1)*nlstate+i][(int)age];
                                   fprintf(ficresstdeij," %9.4f (%.4f)", eij[i][j][(int)age], sqrt(varhe[(j-1)*nlstate+i][(j-1)*nlstate+i][(int)age]) );
         }
         fprintf(ficresstdeij," %9.4f (%.4f)", eip, sqrt(vip));
       }
       fprintf(ficresstdeij,"\n");
                   
       fprintf(ficrescveij,"%3.0f",age );
       for(i=1; i<=nlstate;i++)
         for(j=1; j<=nlstate;j++){
                                   cptj= (j-1)*nlstate+i;
                                   for(i2=1; i2<=nlstate;i2++)
                                           for(j2=1; j2<=nlstate;j2++){
                                                   cptj2= (j2-1)*nlstate+i2;
                                                   if(cptj2 <= cptj)
                                                           fprintf(ficrescveij," %.4f", varhe[cptj][cptj2][(int)age]);
                                           }
         }
       fprintf(ficrescveij,"\n");
                   
     }
     free_matrix(gm,0,nhstepm,1,nlstate*nlstate);
     free_matrix(gp,0,nhstepm,1,nlstate*nlstate);
     free_ma3x(gradg,0,nhstepm,1,npar,1,nlstate*nlstate);
     free_ma3x(trgradg,0,nhstepm,1,nlstate*nlstate,1,npar);
     free_ma3x(p3matm,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
     free_ma3x(p3matp,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
     printf("\n");
     fprintf(ficlog,"\n");
           
     free_vector(xm,1,npar);
     free_vector(xp,1,npar);
     free_matrix(dnewm,1,nlstate*nlstate,1,npar);
     free_matrix(doldm,1,nlstate*nlstate,1,nlstate*nlstate);
     free_ma3x(varhe,1,nlstate*nlstate,1,nlstate*nlstate,(int) bage, (int)fage);
   }
    
   /************ Variance ******************/
    void varevsij(char optionfilefiname[], double ***vareij, double **matcov, double x[], double delti[], int nlstate, int stepm, double bage, double fage, double **oldm, double **savm, double **prlim, double ftolpl, int *ncvyearp, int ij, int estepm, int cptcov, int cptcod, int popbased, int mobilav, char strstart[])
    {
      /* Variance of health expectancies */
      /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double ** savm,double ftolpl);*/
      /* double **newm;*/
      /* int movingaverage(double ***probs, double bage,double fage, double ***mobaverage, int mobilav)*/
     
      /* int movingaverage(); */
      double **dnewm,**doldm;
      double **dnewmp,**doldmp;
      int i, j, nhstepm, hstepm, h, nstepm ;
      int k;
      double *xp;
      double **gp, **gm;  /* for var eij */
      double ***gradg, ***trgradg; /*for var eij */
      double **gradgp, **trgradgp; /* for var p point j */
      double *gpp, *gmp; /* for var p point j */
      double **varppt; /* for var p point j nlstate to nlstate+ndeath */
      double ***p3mat;
      double age,agelim, hf;
      /* double ***mobaverage; */
      int theta;
      char digit[4];
      char digitp[25];
   
      char fileresprobmorprev[FILENAMELENGTH];
   
      if(popbased==1){
        if(mobilav!=0)
          strcpy(digitp,"-POPULBASED-MOBILAV_");
        else strcpy(digitp,"-POPULBASED-NOMOBIL_");
      }
      else 
        strcpy(digitp,"-STABLBASED_");
   
      /* if (mobilav!=0) { */
      /*   mobaverage= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX); */
      /*   if (movingaverage(probs, bage, fage, mobaverage,mobilav)!=0){ */
      /*     fprintf(ficlog," Error in movingaverage mobilav=%d\n",mobilav); */
      /*     printf(" Error in movingaverage mobilav=%d\n",mobilav); */
      /*   } */
      /* } */
   
      strcpy(fileresprobmorprev,"PRMORPREV-"); 
      sprintf(digit,"%-d",ij);
      /*printf("DIGIT=%s, ij=%d ijr=%-d|\n",digit, ij,ij);*/
      strcat(fileresprobmorprev,digit); /* Tvar to be done */
      strcat(fileresprobmorprev,digitp); /* Popbased or not, mobilav or not */
      strcat(fileresprobmorprev,fileresu);
      if((ficresprobmorprev=fopen(fileresprobmorprev,"w"))==NULL) {
        printf("Problem with resultfile: %s\n", fileresprobmorprev);
        fprintf(ficlog,"Problem with resultfile: %s\n", fileresprobmorprev);
      }
      printf("Computing total mortality p.j=w1*p1j+w2*p2j+..: result on file '%s' \n",fileresprobmorprev);
      fprintf(ficlog,"Computing total mortality p.j=w1*p1j+w2*p2j+..: result on file '%s' \n",fileresprobmorprev);
      pstamp(ficresprobmorprev);
      fprintf(ficresprobmorprev,"# probabilities of dying before estepm=%d months for people of exact age and weighted probabilities w1*p1j+w2*p2j+... stand dev in()\n",estepm);
      fprintf(ficresprobmorprev,"# Age cov=%-d",ij);
      for(j=nlstate+1; j<=(nlstate+ndeath);j++){
        fprintf(ficresprobmorprev," p.%-d SE",j);
        for(i=1; i<=nlstate;i++)
          fprintf(ficresprobmorprev," w%1d p%-d%-d",i,i,j);
      }  
      fprintf(ficresprobmorprev,"\n");
     
      fprintf(ficgp,"\n# Routine varevsij");
      fprintf(ficgp,"\nunset title \n");
      /* fprintf(fichtm, "#Local time at start: %s", strstart);*/
      fprintf(fichtm,"\n<li><h4> Computing probabilities of dying over estepm months as a weighted average (i.e global mortality independent of initial healh state)</h4></li>\n");
      fprintf(fichtm,"\n<br>%s  <br>\n",digitp);
      /*   } */
      varppt = matrix(nlstate+1,nlstate+ndeath,nlstate+1,nlstate+ndeath);
      pstamp(ficresvij);
      fprintf(ficresvij,"# Variance and covariance of health expectancies e.j \n#  (weighted average of eij where weights are ");
      if(popbased==1)
        fprintf(ficresvij,"the age specific prevalence observed (cross-sectionally) in the population i.e cross-sectionally\n in each health state (popbased=1) (mobilav=%d\n",mobilav);
      else
        fprintf(ficresvij,"the age specific period (stable) prevalences in each health state \n");
      fprintf(ficresvij,"# Age");
      for(i=1; i<=nlstate;i++)
        for(j=1; j<=nlstate;j++)
          fprintf(ficresvij," Cov(e.%1d, e.%1d)",i,j);
      fprintf(ficresvij,"\n");
   
      xp=vector(1,npar);
      dnewm=matrix(1,nlstate,1,npar);
      doldm=matrix(1,nlstate,1,nlstate);
      dnewmp= matrix(nlstate+1,nlstate+ndeath,1,npar);
      doldmp= matrix(nlstate+1,nlstate+ndeath,nlstate+1,nlstate+ndeath);
   
      gradgp=matrix(1,npar,nlstate+1,nlstate+ndeath);
      gpp=vector(nlstate+1,nlstate+ndeath);
      gmp=vector(nlstate+1,nlstate+ndeath);
      trgradgp =matrix(nlstate+1,nlstate+ndeath,1,npar); /* mu or p point j*/
     
      if(estepm < stepm){
        printf ("Problem %d lower than %d\n",estepm, stepm);
      }
      else  hstepm=estepm;   
      /* For example we decided to compute the life expectancy with the smallest unit */
      /* hstepm beeing the number of stepms, if hstepm=1 the length of hstepm is stepm. 
         nhstepm is the number of hstepm from age to agelim 
         nstepm is the number of stepm from age to agelim. 
         Look at function hpijx to understand why because of memory size limitations, 
         we decided (b) to get a life expectancy respecting the most precise curvature of the
         survival function given by stepm (the optimization length). Unfortunately it
         means that if the survival funtion is printed every two years of age and if
         you sum them up and add 1 year (area under the trapezoids) you won't get the same 
         results. So we changed our mind and took the option of the best precision.
      */
      hstepm=hstepm/stepm; /* Typically in stepm units, if stepm=6 & estepm=24 , = 24/6 months = 4 */ 
      agelim = AGESUP;
      for (age=bage; age<=fage; age ++){ /* If stepm=6 months */
        nstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */ 
        nhstepm = nstepm/hstepm;/* Expressed in hstepm, typically nhstepm=40/4=10 */
        p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
        gradg=ma3x(0,nhstepm,1,npar,1,nlstate);
        gp=matrix(0,nhstepm,1,nlstate);
        gm=matrix(0,nhstepm,1,nlstate);
                   
                   
        for(theta=1; theta <=npar; theta++){
          for(i=1; i<=npar; i++){ /* Computes gradient x + delta*/
            xp[i] = x[i] + (i==theta ?delti[theta]:0);
          }
                           
          prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ncvyearp,ij);
                           
          if (popbased==1) {
            if(mobilav ==0){
              for(i=1; i<=nlstate;i++)
                prlim[i][i]=probs[(int)age][i][ij];
            }else{ /* mobilav */ 
              for(i=1; i<=nlstate;i++)
                prlim[i][i]=mobaverage[(int)age][i][ij];
            }
          }
                           
          hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);  /* Returns p3mat[i][j][h] for h=1 to nhstepm */
          for(j=1; j<= nlstate; j++){
            for(h=0; h<=nhstepm; h++){
              for(i=1, gp[h][j]=0.;i<=nlstate;i++)
                gp[h][j] += prlim[i][i]*p3mat[i][j][h];
            }
          }
          /* Next for computing probability of death (h=1 means
             computed over hstepm matrices product = hstepm*stepm months) 
             as a weighted average of prlim.
          */
          for(j=nlstate+1;j<=nlstate+ndeath;j++){
            for(i=1,gpp[j]=0.; i<= nlstate; i++)
              gpp[j] += prlim[i][i]*p3mat[i][j][1];
          }    
          /* end probability of death */
                           
          for(i=1; i<=npar; i++) /* Computes gradient x - delta */
            xp[i] = x[i] - (i==theta ?delti[theta]:0);
                           
          prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ncvyearp, ij);
                           
          if (popbased==1) {
            if(mobilav ==0){
              for(i=1; i<=nlstate;i++)
                prlim[i][i]=probs[(int)age][i][ij];
            }else{ /* mobilav */ 
              for(i=1; i<=nlstate;i++)
                prlim[i][i]=mobaverage[(int)age][i][ij];
            }
          }
                           
          hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);  
                           
          for(j=1; j<= nlstate; j++){  /* Sum of wi * eij = e.j */
            for(h=0; h<=nhstepm; h++){
              for(i=1, gm[h][j]=0.;i<=nlstate;i++)
                gm[h][j] += prlim[i][i]*p3mat[i][j][h];
            }
          }
          /* This for computing probability of death (h=1 means
             computed over hstepm matrices product = hstepm*stepm months) 
             as a weighted average of prlim.
          */
          for(j=nlstate+1;j<=nlstate+ndeath;j++){
            for(i=1,gmp[j]=0.; i<= nlstate; i++)
              gmp[j] += prlim[i][i]*p3mat[i][j][1];
          }    
          /* end probability of death */
                           
          for(j=1; j<= nlstate; j++) /* vareij */
            for(h=0; h<=nhstepm; h++){
              gradg[h][theta][j]= (gp[h][j]-gm[h][j])/2./delti[theta];
            }
                           
          for(j=nlstate+1; j<= nlstate+ndeath; j++){ /* var mu */
            gradgp[theta][j]= (gpp[j]-gmp[j])/2./delti[theta];
          }
                           
        } /* End theta */
                   
        trgradg =ma3x(0,nhstepm,1,nlstate,1,npar); /* veij */
                   
        for(h=0; h<=nhstepm; h++) /* veij */
          for(j=1; j<=nlstate;j++)
            for(theta=1; theta <=npar; theta++)
              trgradg[h][j][theta]=gradg[h][theta][j];
                   
        for(j=nlstate+1; j<=nlstate+ndeath;j++) /* mu */
          for(theta=1; theta <=npar; theta++)
            trgradgp[j][theta]=gradgp[theta][j];
                   
                   
        hf=hstepm*stepm/YEARM;  /* Duration of hstepm expressed in year unit. */
        for(i=1;i<=nlstate;i++)
          for(j=1;j<=nlstate;j++)
            vareij[i][j][(int)age] =0.;
                   
        for(h=0;h<=nhstepm;h++){
          for(k=0;k<=nhstepm;k++){
            matprod2(dnewm,trgradg[h],1,nlstate,1,npar,1,npar,matcov);
            matprod2(doldm,dnewm,1,nlstate,1,npar,1,nlstate,gradg[k]);
            for(i=1;i<=nlstate;i++)
              for(j=1;j<=nlstate;j++)
                vareij[i][j][(int)age] += doldm[i][j]*hf*hf;
          }
        }
                   
        /* pptj */
        matprod2(dnewmp,trgradgp,nlstate+1,nlstate+ndeath,1,npar,1,npar,matcov);
        matprod2(doldmp,dnewmp,nlstate+1,nlstate+ndeath,1,npar,nlstate+1,nlstate+ndeath,gradgp);
        for(j=nlstate+1;j<=nlstate+ndeath;j++)
          for(i=nlstate+1;i<=nlstate+ndeath;i++)
            varppt[j][i]=doldmp[j][i];
        /* end ppptj */
        /*  x centered again */
                   
        prevalim(prlim,nlstate,x,age,oldm,savm,ftolpl,ncvyearp,ij);
                   
        if (popbased==1) {
          if(mobilav ==0){
            for(i=1; i<=nlstate;i++)
              prlim[i][i]=probs[(int)age][i][ij];
          }else{ /* mobilav */ 
            for(i=1; i<=nlstate;i++)
              prlim[i][i]=mobaverage[(int)age][i][ij];
          }
        }
                   
        /* This for computing probability of death (h=1 means
           computed over hstepm (estepm) matrices product = hstepm*stepm months) 
           as a weighted average of prlim.
        */
        hpxij(p3mat,nhstepm,age,hstepm,x,nlstate,stepm,oldm,savm, ij);  
        for(j=nlstate+1;j<=nlstate+ndeath;j++){
          for(i=1,gmp[j]=0.;i<= nlstate; i++) 
            gmp[j] += prlim[i][i]*p3mat[i][j][1]; 
        }    
        /* end probability of death */
                   
        fprintf(ficresprobmorprev,"%3d %d ",(int) age, ij);
        for(j=nlstate+1; j<=(nlstate+ndeath);j++){
          fprintf(ficresprobmorprev," %11.3e %11.3e",gmp[j], sqrt(varppt[j][j]));
          for(i=1; i<=nlstate;i++){
            fprintf(ficresprobmorprev," %11.3e %11.3e ",prlim[i][i],p3mat[i][j][1]);
          }
        } 
        fprintf(ficresprobmorprev,"\n");
                   
        fprintf(ficresvij,"%.0f ",age );
        for(i=1; i<=nlstate;i++)
          for(j=1; j<=nlstate;j++){
            fprintf(ficresvij," %.4f", vareij[i][j][(int)age]);
          }
        fprintf(ficresvij,"\n");
        free_matrix(gp,0,nhstepm,1,nlstate);
        free_matrix(gm,0,nhstepm,1,nlstate);
        free_ma3x(gradg,0,nhstepm,1,npar,1,nlstate);
        free_ma3x(trgradg,0,nhstepm,1,nlstate,1,npar);
        free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
      } /* End age */
      free_vector(gpp,nlstate+1,nlstate+ndeath);
      free_vector(gmp,nlstate+1,nlstate+ndeath);
      free_matrix(gradgp,1,npar,nlstate+1,nlstate+ndeath);
      free_matrix(trgradgp,nlstate+1,nlstate+ndeath,1,npar); /* mu or p point j*/
      /* fprintf(ficgp,"\nunset parametric;unset label; set ter png small size 320, 240"); */
      fprintf(ficgp,"\nunset parametric;unset label; set ter svg size 640, 480");
      /* for(j=nlstate+1; j<= nlstate+ndeath; j++){ *//* Only the first actually */
      fprintf(ficgp,"\n set log y; unset log x;set xlabel \"Age\"; set ylabel \"Force of mortality (year-1)\";");
      fprintf(ficgp,"\nset out \"%s%s.svg\";",subdirf3(optionfilefiname,"VARMUPTJGR-",digitp),digit);
      /*   fprintf(ficgp,"\n plot \"%s\"  u 1:($3*%6.3f) not w l 1 ",fileresprobmorprev,YEARM/estepm); */
      /*   fprintf(ficgp,"\n replot \"%s\"  u 1:(($3+1.96*$4)*%6.3f) t \"95\%% interval\" w l 2 ",fileresprobmorprev,YEARM/estepm); */
      /*   fprintf(ficgp,"\n replot \"%s\"  u 1:(($3-1.96*$4)*%6.3f) not w l 2 ",fileresprobmorprev,YEARM/estepm); */
      fprintf(ficgp,"\n plot \"%s\"  u 1:($3) not w l lt 1 ",subdirf(fileresprobmorprev));
      fprintf(ficgp,"\n replot \"%s\"  u 1:(($3+1.96*$4)) t \"95%% interval\" w l lt 2 ",subdirf(fileresprobmorprev));
      fprintf(ficgp,"\n replot \"%s\"  u 1:(($3-1.96*$4)) not w l lt 2 ",subdirf(fileresprobmorprev));
      fprintf(fichtm,"\n<br> File (multiple files are possible if covariates are present): <A href=\"%s\">%s</a>\n",subdirf(fileresprobmorprev),subdirf(fileresprobmorprev));
      fprintf(fichtm,"\n<br> Probability is computed over estepm=%d months. <br> <img src=\"%s%s.svg\"> <br>\n", estepm,subdirf3(optionfilefiname,"VARMUPTJGR-",digitp),digit);
      /*  fprintf(fichtm,"\n<br> Probability is computed over estepm=%d months and then divided by estepm and multiplied by %.0f in order to have the probability to die over a year <br> <img src=\"varmuptjgr%s%s.svg\"> <br>\n", stepm,YEARM,digitp,digit);
       */
      /*   fprintf(ficgp,"\nset out \"varmuptjgr%s%s%s.svg\";replot;",digitp,optionfilefiname,digit); */
      fprintf(ficgp,"\nset out;\nset out \"%s%s.svg\";replot;set out;\n",subdirf3(optionfilefiname,"VARMUPTJGR-",digitp),digit);
   
      free_vector(xp,1,npar);
      free_matrix(doldm,1,nlstate,1,nlstate);
      free_matrix(dnewm,1,nlstate,1,npar);
      free_matrix(doldmp,nlstate+1,nlstate+ndeath,nlstate+1,nlstate+ndeath);
      free_matrix(dnewmp,nlstate+1,nlstate+ndeath,1,npar);
      free_matrix(varppt,nlstate+1,nlstate+ndeath,nlstate+1,nlstate+ndeath);
      /* if (mobilav!=0) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX); */
      fclose(ficresprobmorprev);
      fflush(ficgp);
      fflush(fichtm); 
    }  /* end varevsij */
   
   /************ Variance of prevlim ******************/
    void varprevlim(char fileres[], double **varpl, double **matcov, double x[], double delti[], int nlstate, int stepm, double bage, double fage, double **oldm, double **savm, double **prlim, double ftolpl, int *ncvyearp, int ij, char strstart[])
   {
     /* Variance of prevalence limit  for each state ij using current parameters x[] and estimates of neighbourhood give by delti*/
     /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double **savm,double ftolpl);*/
   
     double **dnewm,**doldm;
     int i, j, nhstepm, hstepm;
     double *xp;
     double *gp, *gm;
     double **gradg, **trgradg;
     double **mgm, **mgp;
     double age,agelim;
     int theta;
     
     pstamp(ficresvpl);
     fprintf(ficresvpl,"# Standard deviation of period (stable) prevalences \n");
     fprintf(ficresvpl,"# Age");
     for(i=1; i<=nlstate;i++)
         fprintf(ficresvpl," %1d-%1d",i,i);
     fprintf(ficresvpl,"\n");
   
     xp=vector(1,npar);
     dnewm=matrix(1,nlstate,1,npar);
     doldm=matrix(1,nlstate,1,nlstate);
     
     hstepm=1*YEARM; /* Every year of age */
     hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */ 
     agelim = AGESUP;
     for (age=bage; age<=fage; age ++){ /* If stepm=6 months */
       nhstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */ 
       if (stepm >= YEARM) hstepm=1;
       nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */
       gradg=matrix(1,npar,1,nlstate);
       mgp=matrix(1,npar,1,nlstate);
       mgm=matrix(1,npar,1,nlstate);
       gp=vector(1,nlstate);
       gm=vector(1,nlstate);
   
       for(theta=1; theta <=npar; theta++){
         for(i=1; i<=npar; i++){ /* Computes gradient */
           xp[i] = x[i] + (i==theta ?delti[theta]:0);
         }
         if((int)age==79 ||(int)age== 80 ||(int)age== 81 )
           prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ncvyearp,ij);
         else
           prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ncvyearp,ij);
         for(i=1;i<=nlstate;i++){
           gp[i] = prlim[i][i];
           mgp[theta][i] = prlim[i][i];
         }
         for(i=1; i<=npar; i++) /* Computes gradient */
           xp[i] = x[i] - (i==theta ?delti[theta]:0);
         if((int)age==79 ||(int)age== 80 ||(int)age== 81 )
           prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ncvyearp,ij);
         else
           prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ncvyearp,ij);
         for(i=1;i<=nlstate;i++){
           gm[i] = prlim[i][i];
           mgm[theta][i] = prlim[i][i];
         }
         for(i=1;i<=nlstate;i++)
           gradg[theta][i]= (gp[i]-gm[i])/2./delti[theta];
         /* gradg[theta][2]= -gradg[theta][1]; */ /* For testing if nlstate=2 */
       } /* End theta */
   
       trgradg =matrix(1,nlstate,1,npar);
   
       for(j=1; j<=nlstate;j++)
         for(theta=1; theta <=npar; theta++)
           trgradg[j][theta]=gradg[theta][j];
       /* if((int)age==79 ||(int)age== 80 ||(int)age== 81 ){ */
       /*   printf("\nmgm mgp %d ",(int)age); */
       /*   for(j=1; j<=nlstate;j++){ */
       /*  printf(" %d ",j); */
       /*  for(theta=1; theta <=npar; theta++) */
       /*    printf(" %d %lf %lf",theta,mgm[theta][j],mgp[theta][j]); */
       /*  printf("\n "); */
       /*   } */
       /* } */
       /* if((int)age==79 ||(int)age== 80 ||(int)age== 81 ){ */
       /*   printf("\n gradg %d ",(int)age); */
       /*   for(j=1; j<=nlstate;j++){ */
       /*  printf("%d ",j); */
       /*  for(theta=1; theta <=npar; theta++) */
       /*    printf("%d %lf ",theta,gradg[theta][j]); */
       /*  printf("\n "); */
       /*   } */
       /* } */
   
       for(i=1;i<=nlstate;i++)
         varpl[i][(int)age] =0.;
       if((int)age==79 ||(int)age== 80  ||(int)age== 81){
       matprod2(dnewm,trgradg,1,nlstate,1,npar,1,npar,matcov);
       matprod2(doldm,dnewm,1,nlstate,1,npar,1,nlstate,gradg);
       }else{
       matprod2(dnewm,trgradg,1,nlstate,1,npar,1,npar,matcov);
       matprod2(doldm,dnewm,1,nlstate,1,npar,1,nlstate,gradg);
       }
       for(i=1;i<=nlstate;i++)
         varpl[i][(int)age] = doldm[i][i]; /* Covariances are useless */
   
       fprintf(ficresvpl,"%.0f ",age );
       for(i=1; i<=nlstate;i++)
         fprintf(ficresvpl," %.5f (%.5f)",prlim[i][i],sqrt(varpl[i][(int)age]));
       fprintf(ficresvpl,"\n");
       free_vector(gp,1,nlstate);
       free_vector(gm,1,nlstate);
       free_matrix(mgm,1,npar,1,nlstate);
       free_matrix(mgp,1,npar,1,nlstate);
       free_matrix(gradg,1,npar,1,nlstate);
       free_matrix(trgradg,1,nlstate,1,npar);
     } /* End age */
   
     free_vector(xp,1,npar);
     free_matrix(doldm,1,nlstate,1,npar);
     free_matrix(dnewm,1,nlstate,1,nlstate);
   
   }
   
   /************ Variance of one-step probabilities  ******************/
   void varprob(char optionfilefiname[], double **matcov, double x[], double delti[], int nlstate, double bage, double fage, int ij, int *Tvar, int **nbcode, int *ncodemax, char strstart[])
   {
     int i, j=0,  k1, l1, tj;
     int k2, l2, j1,  z1;
     int k=0, l;
     int first=1, first1, first2;
     double cv12, mu1, mu2, lc1, lc2, v12, v21, v11, v22,v1,v2, c12, tnalp;
     double **dnewm,**doldm;
     double *xp;
     double *gp, *gm;
     double **gradg, **trgradg;
     double **mu;
     double age, cov[NCOVMAX+1];
     double std=2.0; /* Number of standard deviation wide of confidence ellipsoids */
     int theta;
     char fileresprob[FILENAMELENGTH];
     char fileresprobcov[FILENAMELENGTH];
     char fileresprobcor[FILENAMELENGTH];
     double ***varpij;
   
     strcpy(fileresprob,"PROB_"); 
     strcat(fileresprob,fileres);
     if((ficresprob=fopen(fileresprob,"w"))==NULL) {
       printf("Problem with resultfile: %s\n", fileresprob);
       fprintf(ficlog,"Problem with resultfile: %s\n", fileresprob);
     }
     strcpy(fileresprobcov,"PROBCOV_"); 
     strcat(fileresprobcov,fileresu);
     if((ficresprobcov=fopen(fileresprobcov,"w"))==NULL) {
       printf("Problem with resultfile: %s\n", fileresprobcov);
       fprintf(ficlog,"Problem with resultfile: %s\n", fileresprobcov);
     }
     strcpy(fileresprobcor,"PROBCOR_"); 
     strcat(fileresprobcor,fileresu);
     if((ficresprobcor=fopen(fileresprobcor,"w"))==NULL) {
       printf("Problem with resultfile: %s\n", fileresprobcor);
       fprintf(ficlog,"Problem with resultfile: %s\n", fileresprobcor);
     }
     printf("Computing standard deviation of one-step probabilities: result on file '%s' \n",fileresprob);
     fprintf(ficlog,"Computing standard deviation of one-step probabilities: result on file '%s' \n",fileresprob);
     printf("Computing matrix of variance covariance of one-step probabilities: result on file '%s' \n",fileresprobcov);
     fprintf(ficlog,"Computing matrix of variance covariance of one-step probabilities: result on file '%s' \n",fileresprobcov);
     printf("and correlation matrix of one-step probabilities: result on file '%s' \n",fileresprobcor);
     fprintf(ficlog,"and correlation matrix of one-step probabilities: result on file '%s' \n",fileresprobcor);
     pstamp(ficresprob);
     fprintf(ficresprob,"#One-step probabilities and stand. devi in ()\n");
     fprintf(ficresprob,"# Age");
     pstamp(ficresprobcov);
     fprintf(ficresprobcov,"#One-step probabilities and covariance matrix\n");
     fprintf(ficresprobcov,"# Age");
     pstamp(ficresprobcor);
     fprintf(ficresprobcor,"#One-step probabilities and correlation matrix\n");
     fprintf(ficresprobcor,"# Age");
   
   
     for(i=1; i<=nlstate;i++)
       for(j=1; j<=(nlstate+ndeath);j++){
         fprintf(ficresprob," p%1d-%1d (SE)",i,j);
         fprintf(ficresprobcov," p%1d-%1d ",i,j);
         fprintf(ficresprobcor," p%1d-%1d ",i,j);
       }  
    /* fprintf(ficresprob,"\n");
     fprintf(ficresprobcov,"\n");
     fprintf(ficresprobcor,"\n");
    */
     xp=vector(1,npar);
     dnewm=matrix(1,(nlstate)*(nlstate+ndeath),1,npar);
     doldm=matrix(1,(nlstate)*(nlstate+ndeath),1,(nlstate)*(nlstate+ndeath));
     mu=matrix(1,(nlstate)*(nlstate+ndeath), (int) bage, (int)fage);
     varpij=ma3x(1,nlstate*(nlstate+ndeath),1,nlstate*(nlstate+ndeath),(int) bage, (int) fage);
     first=1;
     fprintf(ficgp,"\n# Routine varprob");
     fprintf(fichtm,"\n<li><h4> Computing and drawing one step probabilities with their confidence intervals</h4></li>\n");
     fprintf(fichtm,"\n");
   
     fprintf(fichtm,"\n<li><h4> <a href=\"%s\">Matrix of variance-covariance of one-step probabilities (drawings)</a></h4> this page is important in order to visualize confidence intervals and especially correlation between disability and recovery, or more generally, way in and way back.</li>\n",optionfilehtmcov);
     fprintf(fichtmcov,"Current page is file <a href=\"%s\">%s</a><br>\n\n<h4>Matrix of variance-covariance of pairs of step probabilities</h4>\n",optionfilehtmcov, optionfilehtmcov);
     fprintf(fichtmcov,"\nEllipsoids of confidence centered on point (p<inf>ij</inf>, p<inf>kl</inf>) are estimated \
   and drawn. It helps understanding how is the covariance between two incidences.\
    They are expressed in year<sup>-1</sup> in order to be less dependent of stepm.<br>\n");
     fprintf(fichtmcov,"\n<br> Contour plot corresponding to x'cov<sup>-1</sup>x = 4 (where x is the column vector (pij,pkl)) are drawn. \
   It can be understood this way: if pij and pkl where uncorrelated the (2x2) matrix of covariance \
   would have been (1/(var pij), 0 , 0, 1/(var pkl)), and the confidence interval would be 2 \
   standard deviations wide on each axis. <br>\
    Now, if both incidences are correlated (usual case) we diagonalised the inverse of the covariance matrix\
    and made the appropriate rotation to look at the uncorrelated principal directions.<br>\
   To be simple, these graphs help to understand the significativity of each parameter in relation to a second other one.<br> \n");
   
     cov[1]=1;
     /* tj=cptcoveff; */
     tj = (int) pow(2,cptcoveff);
     if (cptcovn<1) {tj=1;ncodemax[1]=1;}
     j1=0;
     for(j1=1; j1<=tj;j1++){
       /*for(i1=1; i1<=ncodemax[t];i1++){ */
       /*j1++;*/
         if  (cptcovn>0) {
           fprintf(ficresprob, "\n#********** Variable "); 
           for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresprob, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtabm(j1,z1)]);
           fprintf(ficresprob, "**********\n#\n");
           fprintf(ficresprobcov, "\n#********** Variable "); 
           for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresprobcov, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtabm(j1,z1)]);
           fprintf(ficresprobcov, "**********\n#\n");
           
           fprintf(ficgp, "\n#********** Variable "); 
           for (z1=1; z1<=cptcoveff; z1++) fprintf(ficgp, " V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtabm(j1,z1)]);
           fprintf(ficgp, "**********\n#\n");
           
           
           fprintf(fichtmcov, "\n<hr  size=\"2\" color=\"#EC5E5E\">********** Variable "); 
           for (z1=1; z1<=cptcoveff; z1++) fprintf(fichtm, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtabm(j1,z1)]);
           fprintf(fichtmcov, "**********\n<hr size=\"2\" color=\"#EC5E5E\">");
           
           fprintf(ficresprobcor, "\n#********** Variable ");    
           for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresprobcor, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtabm(j1,z1)]);
           fprintf(ficresprobcor, "**********\n#");    
         }
         
         gradg=matrix(1,npar,1,(nlstate)*(nlstate+ndeath));
         trgradg=matrix(1,(nlstate)*(nlstate+ndeath),1,npar);
         gp=vector(1,(nlstate)*(nlstate+ndeath));
         gm=vector(1,(nlstate)*(nlstate+ndeath));
         for (age=bage; age<=fage; age ++){ 
           cov[2]=age;
           if(nagesqr==1)
             cov[3]= age*age;
           for (k=1; k<=cptcovn;k++) {
             cov[2+nagesqr+k]=nbcode[Tvar[k]][codtabm(j1,k)];
             /*cov[2+nagesqr+k]=nbcode[Tvar[k]][codtabm(j1,Tvar[k])];*//* j1 1 2 3 4
                                                            * 1  1 1 1 1
                                                            * 2  2 1 1 1
                                                            * 3  1 2 1 1
                                                            */
             /* nbcode[1][1]=0 nbcode[1][2]=1;*/
           }
           /* for (k=1; k<=cptcovage;k++) cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2]; */
           for (k=1; k<=cptcovage;k++) cov[2+Tage[k]]=nbcode[Tvar[Tage[k]]][codtabm(ij,k)]*cov[2];
           for (k=1; k<=cptcovprod;k++)
             cov[2+nagesqr+Tprod[k]]=nbcode[Tvard[k][1]][codtabm(ij,k)]*nbcode[Tvard[k][2]][codtabm(ij,k)];
           
       
           for(theta=1; theta <=npar; theta++){
             for(i=1; i<=npar; i++)
               xp[i] = x[i] + (i==theta ?delti[theta]:(double)0);
             
             pmij(pmmij,cov,ncovmodel,xp,nlstate);
             
             k=0;
             for(i=1; i<= (nlstate); i++){
               for(j=1; j<=(nlstate+ndeath);j++){
                 k=k+1;
                 gp[k]=pmmij[i][j];
               }
             }
             
             for(i=1; i<=npar; i++)
               xp[i] = x[i] - (i==theta ?delti[theta]:(double)0);
       
             pmij(pmmij,cov,ncovmodel,xp,nlstate);
             k=0;
             for(i=1; i<=(nlstate); i++){
               for(j=1; j<=(nlstate+ndeath);j++){
                 k=k+1;
                 gm[k]=pmmij[i][j];
               }
             }
        
             for(i=1; i<= (nlstate)*(nlstate+ndeath); i++) 
               gradg[theta][i]=(gp[i]-gm[i])/(double)2./delti[theta];  
           }
   
           for(j=1; j<=(nlstate)*(nlstate+ndeath);j++)
             for(theta=1; theta <=npar; theta++)
               trgradg[j][theta]=gradg[theta][j];
           
           matprod2(dnewm,trgradg,1,(nlstate)*(nlstate+ndeath),1,npar,1,npar,matcov); 
           matprod2(doldm,dnewm,1,(nlstate)*(nlstate+ndeath),1,npar,1,(nlstate)*(nlstate+ndeath),gradg);
   
           pmij(pmmij,cov,ncovmodel,x,nlstate);
           
           k=0;
           for(i=1; i<=(nlstate); i++){
             for(j=1; j<=(nlstate+ndeath);j++){
               k=k+1;
               mu[k][(int) age]=pmmij[i][j];
             }
           }
           for(i=1;i<=(nlstate)*(nlstate+ndeath);i++)
             for(j=1;j<=(nlstate)*(nlstate+ndeath);j++)
               varpij[i][j][(int)age] = doldm[i][j];
   
           /*printf("\n%d ",(int)age);
             for (i=1; i<=(nlstate)*(nlstate+ndeath);i++){
             printf("%e [%e ;%e] ",gm[i],gm[i]-2*sqrt(doldm[i][i]),gm[i]+2*sqrt(doldm[i][i]));
             fprintf(ficlog,"%e [%e ;%e] ",gm[i],gm[i]-2*sqrt(doldm[i][i]),gm[i]+2*sqrt(doldm[i][i]));
             }*/
   
           fprintf(ficresprob,"\n%d ",(int)age);
           fprintf(ficresprobcov,"\n%d ",(int)age);
           fprintf(ficresprobcor,"\n%d ",(int)age);
   
           for (i=1; i<=(nlstate)*(nlstate+ndeath);i++)
             fprintf(ficresprob,"%11.3e (%11.3e) ",mu[i][(int) age],sqrt(varpij[i][i][(int)age]));
           for (i=1; i<=(nlstate)*(nlstate+ndeath);i++){
             fprintf(ficresprobcov,"%11.3e ",mu[i][(int) age]);
             fprintf(ficresprobcor,"%11.3e ",mu[i][(int) age]);
           }
           i=0;
           for (k=1; k<=(nlstate);k++){
             for (l=1; l<=(nlstate+ndeath);l++){ 
               i++;
               fprintf(ficresprobcov,"\n%d %d-%d",(int)age,k,l);
               fprintf(ficresprobcor,"\n%d %d-%d",(int)age,k,l);
               for (j=1; j<=i;j++){
                 /* printf(" k=%d l=%d i=%d j=%d\n",k,l,i,j);fflush(stdout); */
                 fprintf(ficresprobcov," %11.3e",varpij[i][j][(int)age]);
                 fprintf(ficresprobcor," %11.3e",varpij[i][j][(int) age]/sqrt(varpij[i][i][(int) age])/sqrt(varpij[j][j][(int)age]));
               }
             }
           }/* end of loop for state */
         } /* end of loop for age */
         free_vector(gp,1,(nlstate+ndeath)*(nlstate+ndeath));
         free_vector(gm,1,(nlstate+ndeath)*(nlstate+ndeath));
         free_matrix(trgradg,1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);
         free_matrix(gradg,1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);
         
         /* Confidence intervalle of pij  */
         /*
           fprintf(ficgp,"\nunset parametric;unset label");
           fprintf(ficgp,"\nset log y;unset log x; set xlabel \"Age\";set ylabel \"probability (year-1)\"");
           fprintf(ficgp,"\nset ter png small\nset size 0.65,0.65");
           fprintf(fichtm,"\n<br>Probability with  confidence intervals expressed in year<sup>-1</sup> :<a href=\"pijgr%s.png\">pijgr%s.png</A>, ",optionfilefiname,optionfilefiname);
           fprintf(fichtm,"\n<br><img src=\"pijgr%s.png\"> ",optionfilefiname);
           fprintf(ficgp,"\nset out \"pijgr%s.png\"",optionfilefiname);
           fprintf(ficgp,"\nplot \"%s\" every :::%d::%d u 1:2 \"\%%lf",k1,k2,xfilevarprob);
         */
   
         /* Drawing ellipsoids of confidence of two variables p(k1-l1,k2-l2)*/
         first1=1;first2=2;
         for (k2=1; k2<=(nlstate);k2++){
           for (l2=1; l2<=(nlstate+ndeath);l2++){ 
             if(l2==k2) continue;
             j=(k2-1)*(nlstate+ndeath)+l2;
             for (k1=1; k1<=(nlstate);k1++){
               for (l1=1; l1<=(nlstate+ndeath);l1++){ 
                 if(l1==k1) continue;
                 i=(k1-1)*(nlstate+ndeath)+l1;
                 if(i<=j) continue;
                 for (age=bage; age<=fage; age ++){ 
                   if ((int)age %5==0){
                     v1=varpij[i][i][(int)age]/stepm*YEARM/stepm*YEARM;
                     v2=varpij[j][j][(int)age]/stepm*YEARM/stepm*YEARM;
                     cv12=varpij[i][j][(int)age]/stepm*YEARM/stepm*YEARM;
                     mu1=mu[i][(int) age]/stepm*YEARM ;
                     mu2=mu[j][(int) age]/stepm*YEARM;
                     c12=cv12/sqrt(v1*v2);
                     /* Computing eigen value of matrix of covariance */
                     lc1=((v1+v2)+sqrt((v1+v2)*(v1+v2) - 4*(v1*v2-cv12*cv12)))/2.;
                     lc2=((v1+v2)-sqrt((v1+v2)*(v1+v2) - 4*(v1*v2-cv12*cv12)))/2.;
                     if ((lc2 <0) || (lc1 <0) ){
                       if(first2==1){
                         first1=0;
                       printf("Strange: j1=%d One eigen value of 2x2 matrix of covariance is negative, lc1=%11.3e, lc2=%11.3e, v1=%11.3e, v2=%11.3e, cv12=%11.3e.\n It means that the matrix was not well estimated (varpij), for i=%2d, j=%2d, age=%4d .\n See files %s and %s. Probably WRONG RESULTS. See log file for details...\n", j1, lc1, lc2, v1, v2, cv12, i, j, (int)age,fileresprobcov, fileresprobcor);
                       }
                       fprintf(ficlog,"Strange: j1=%d One eigen value of 2x2 matrix of covariance is negative, lc1=%11.3e, lc2=%11.3e, v1=%11.3e, v2=%11.3e, cv12=%11.3e.\n It means that the matrix was not well estimated (varpij), for i=%2d, j=%2d, age=%4d .\n See files %s and %s. Probably WRONG RESULTS.\n", j1, lc1, lc2, v1, v2, cv12, i, j, (int)age,fileresprobcov, fileresprobcor);fflush(ficlog);
                       /* lc1=fabs(lc1); */ /* If we want to have them positive */
                       /* lc2=fabs(lc2); */
                     }
   
                     /* Eigen vectors */
                     v11=(1./sqrt(1+(v1-lc1)*(v1-lc1)/cv12/cv12));
                     /*v21=sqrt(1.-v11*v11); *//* error */
                     v21=(lc1-v1)/cv12*v11;
                     v12=-v21;
                     v22=v11;
                     tnalp=v21/v11;
                     if(first1==1){
                       first1=0;
                       printf("%d %d%d-%d%d mu %.4e %.4e Var %.4e %.4e cor %.3f cov %.4e Eig %.3e %.3e 1stv %.3f %.3f tang %.3f\nOthers in log...\n",(int) age,k1,l1,k2,l2,mu1,mu2,v1,v2,c12,cv12,lc1,lc2,v11,v21,tnalp);
                     }
                     fprintf(ficlog,"%d %d%d-%d%d mu %.4e %.4e Var %.4e %.4e cor %.3f cov %.4e Eig %.3e %.3e 1stv %.3f %.3f tan %.3f\n",(int) age,k1,l1,k2,l2,mu1,mu2,v1,v2,c12,cv12,lc1,lc2,v11,v21,tnalp);
                     /*printf(fignu*/
                     /* mu1+ v11*lc1*cost + v12*lc2*sin(t) */
                     /* mu2+ v21*lc1*cost + v22*lc2*sin(t) */
                     if(first==1){
                       first=0;
                       fprintf(ficgp,"\n# Ellipsoids of confidence\n#\n");
                       fprintf(ficgp,"\nset parametric;unset label");
                       fprintf(ficgp,"\nset log y;set log x; set xlabel \"p%1d%1d (year-1)\";set ylabel \"p%1d%1d (year-1)\"",k1,l1,k2,l2);
                       fprintf(ficgp,"\nset ter svg size 640, 480");
                       fprintf(fichtmcov,"\n<br>Ellipsoids of confidence cov(p%1d%1d,p%1d%1d) expressed in year<sup>-1</sup>\
    :<a href=\"%s_%d%1d%1d-%1d%1d.svg\">\
   %s_%d%1d%1d-%1d%1d.svg</A>, ",k1,l1,k2,l2,\
                               subdirf2(optionfilefiname,"VARPIJGR_"), j1,k1,l1,k2,l2,\
                               subdirf2(optionfilefiname,"VARPIJGR_"), j1,k1,l1,k2,l2);
                       fprintf(fichtmcov,"\n<br><img src=\"%s_%d%1d%1d-%1d%1d.svg\"> ",subdirf2(optionfilefiname,"VARPIJGR_"), j1,k1,l1,k2,l2);
                       fprintf(fichtmcov,"\n<br> Correlation at age %d (%.3f),",(int) age, c12);
                       fprintf(ficgp,"\nset out \"%s_%d%1d%1d-%1d%1d.svg\"",subdirf2(optionfilefiname,"VARPIJGR_"), j1,k1,l1,k2,l2);
                       fprintf(ficgp,"\nset label \"%d\" at %11.3e,%11.3e center",(int) age, mu1,mu2);
                       fprintf(ficgp,"\n# Age %d, p%1d%1d - p%1d%1d",(int) age, k1,l1,k2,l2);
                       fprintf(ficgp,"\nplot [-pi:pi] %11.3e+ %.3f*(%11.3e*%11.3e*cos(t)+%11.3e*%11.3e*sin(t)), %11.3e +%.3f*(%11.3e*%11.3e*cos(t)+%11.3e*%11.3e*sin(t)) not",\
                               mu1,std,v11,sqrt(lc1),v12,sqrt(lc2),\
                               mu2,std,v21,sqrt(lc1),v22,sqrt(lc2));
                     }else{
                       first=0;
                       fprintf(fichtmcov," %d (%.3f),",(int) age, c12);
                       fprintf(ficgp,"\n# Age %d, p%1d%1d - p%1d%1d",(int) age, k1,l1,k2,l2);
                       fprintf(ficgp,"\nset label \"%d\" at %11.3e,%11.3e center",(int) age, mu1,mu2);
                       fprintf(ficgp,"\nreplot %11.3e+ %.3f*(%11.3e*%11.3e*cos(t)+%11.3e*%11.3e*sin(t)), %11.3e +%.3f*(%11.3e*%11.3e*cos(t)+%11.3e*%11.3e*sin(t)) not",\
                               mu1,std,v11,sqrt(lc1),v12,sqrt(lc2),\
                               mu2,std,v21,sqrt(lc1),v22,sqrt(lc2));
                     }/* if first */
                   } /* age mod 5 */
                 } /* end loop age */
                 fprintf(ficgp,"\nset out;\nset out \"%s_%d%1d%1d-%1d%1d.svg\";replot;set out;",subdirf2(optionfilefiname,"VARPIJGR_"), j1,k1,l1,k2,l2);
                 first=1;
               } /*l12 */
             } /* k12 */
           } /*l1 */
         }/* k1 */
         /* } */ /* loop covariates */
     }
     free_ma3x(varpij,1,nlstate,1,nlstate+ndeath,(int) bage, (int)fage);
     free_matrix(mu,1,(nlstate+ndeath)*(nlstate+ndeath),(int) bage, (int)fage);
     free_matrix(doldm,1,(nlstate)*(nlstate+ndeath),1,(nlstate)*(nlstate+ndeath));
     free_matrix(dnewm,1,(nlstate)*(nlstate+ndeath),1,npar);
     free_vector(xp,1,npar);
     fclose(ficresprob);
     fclose(ficresprobcov);
     fclose(ficresprobcor);
     fflush(ficgp);
     fflush(fichtmcov);
   }
   
   
   /******************* Printing html file ***********/
   void printinghtml(char fileresu[], char title[], char datafile[], int firstpass, \
                     int lastpass, int stepm, int weightopt, char model[],\
                     int imx,int jmin, int jmax, double jmeanint,char rfileres[],\
                     int popforecast, int prevfcast, int backcast, int estepm , \
                     double jprev1, double mprev1,double anprev1, double dateprev1, \
                     double jprev2, double mprev2,double anprev2, double dateprev2){
     int jj1, k1, i1, cpt;
   
      fprintf(fichtm,"<ul><li><a href='#firstorder'>Result files (first order: no variance)</a>\n \
      <li><a href='#secondorder'>Result files (second order (variance)</a>\n \
   </ul>");
      fprintf(fichtm,"<ul><li><h4><a name='firstorder'>Result files (first order: no variance)</a></h4>\n");
      fprintf(fichtm,"<li>- Observed frequency between two states (during the period defined between %.lf/%.lf/%.lf and %.lf/%.lf/%.lf): <a href=\"%s\">%s</a> (html file)<br/>\n",
              jprev1, mprev1,anprev1,jprev2, mprev2,anprev2,subdirfext3(optionfilefiname,"PHTMFR_",".htm"),subdirfext3(optionfilefiname,"PHTMFR_",".htm"));
      fprintf(fichtm,"<li> - Observed prevalence in each state (during the period defined between %.lf/%.lf/%.lf and %.lf/%.lf/%.lf): <a href=\"%s\">%s</a> (html file) ",
              jprev1, mprev1,anprev1,jprev2, mprev2,anprev2,subdirfext3(optionfilefiname,"PHTM_",".htm"),subdirfext3(optionfilefiname,"PHTM_",".htm"));
      fprintf(fichtm,",  <a href=\"%s\">%s</a> (text file) <br>\n",subdirf2(fileresu,"P_"),subdirf2(fileresu,"P_"));
      fprintf(fichtm,"\
    - Estimated transition probabilities over %d (stepm) months: <a href=\"%s\">%s</a><br>\n ",
              stepm,subdirf2(fileresu,"PIJ_"),subdirf2(fileresu,"PIJ_"));
      fprintf(fichtm,"\
    - Estimated back transition probabilities over %d (stepm) months: <a href=\"%s\">%s</a><br>\n ",
              stepm,subdirf2(fileresu,"PIJB_"),subdirf2(fileresu,"PIJB_"));
      fprintf(fichtm,"\
    - Period (stable) prevalence in each health state: <a href=\"%s\">%s</a> <br>\n",
              subdirf2(fileresu,"PL_"),subdirf2(fileresu,"PL_"));
      fprintf(fichtm,"\
    - Period (stable) back prevalence in each health state: <a href=\"%s\">%s</a> <br>\n",
              subdirf2(fileresu,"PLB_"),subdirf2(fileresu,"PLB_"));
      fprintf(fichtm,"\
    - (a) Life expectancies by health status at initial age, e<sub>i.</sub> (b) health expectancies by health status at initial age, e<sub>ij</sub> . If one or more covariates are included, specific tables for each value of the covariate are output in sequences within the same file (estepm=%2d months): \
      <a href=\"%s\">%s</a> <br>\n",
              estepm,subdirf2(fileresu,"E_"),subdirf2(fileresu,"E_"));
      if(prevfcast==1){
        fprintf(fichtm,"\
    - Prevalence projections by age and states:                            \
      <a href=\"%s\">%s</a> <br>\n</li>", subdirf2(fileresu,"F_"),subdirf2(fileresu,"F_"));
      }
   
   fprintf(fichtm," \n<ul><li><b>Graphs</b></li><p>");
   
    m=pow(2,cptcoveff);
    if (cptcovn < 1) {m=1;ncodemax[1]=1;}
   
    jj1=0;
    for(k1=1; k1<=m;k1++){
      /* for(i1=1; i1<=ncodemax[k1];i1++){ */
        jj1++;
        if (cptcovn > 0) {
          fprintf(fichtm,"<hr  size=\"2\" color=\"#EC5E5E\">************ Results for covariates");
          for (cpt=1; cpt<=cptcoveff;cpt++){ 
            fprintf(fichtm," V%d=%d ",Tvaraff[cpt],nbcode[Tvaraff[cpt]][codtabm(jj1,cpt)]);
            printf(" V%d=%d ",Tvaraff[cpt],nbcode[Tvaraff[cpt]][codtabm(jj1,cpt)]);fflush(stdout);
          }
          fprintf(fichtm," ************\n<hr size=\"2\" color=\"#EC5E5E\">");
        }
        /* aij, bij */
        fprintf(fichtm,"<br>- Logit model (yours is: 1+age+%s), for example: logit(pij)=log(pij/pii)= aij+ bij age + V1 age + etc. as a function of age: <a href=\"%s_%d-1.svg\">%s_%d-1.svg</a><br> \
   <img src=\"%s_%d-1.svg\">",model,subdirf2(optionfilefiname,"PE_"),jj1,subdirf2(optionfilefiname,"PE_"),jj1,subdirf2(optionfilefiname,"PE_"),jj1);
        /* Pij */
        fprintf(fichtm,"<br>\n- P<sub>ij</sub> or conditional probabilities to be observed in state j being in state i, %d (stepm) months before: <a href=\"%s_%d-2.svg\">%s_%d-2.svg</a><br> \
   <img src=\"%s_%d-2.svg\">",stepm,subdirf2(optionfilefiname,"PE_"),jj1,subdirf2(optionfilefiname,"PE_"),jj1,subdirf2(optionfilefiname,"PE_"),jj1);     
        /* Quasi-incidences */
        fprintf(fichtm,"<br>\n- I<sub>ij</sub> or Conditional probabilities to be observed in state j being in state i %d (stepm) months\
    before but expressed in per year i.e. quasi incidences if stepm is small and probabilities too,\
    incidence (rates) are the limit when h tends to zero of the ratio of the probability  <sub>h</sub>P<sub>ij</sub> \
   divided by h: <sub>h</sub>P<sub>ij</sub>/h : <a href=\"%s_%d-3.svg\">%s_%d-3.svg</a><br> \
   <img src=\"%s_%d-3.svg\">",stepm,subdirf2(optionfilefiname,"PE_"),jj1,subdirf2(optionfilefiname,"PE_"),jj1,subdirf2(optionfilefiname,"PE_"),jj1); 
        /* Survival functions (period) in state j */
        for(cpt=1; cpt<=nlstate;cpt++){
          fprintf(fichtm,"<br>\n- Survival functions in state %d. Or probability to survive in state %d being in state (1 to %d) at different ages. <a href=\"%s%d_%d.svg\">%s%d_%d.svg</a><br> \
   <img src=\"%s_%d-%d.svg\">", cpt, cpt, nlstate, subdirf2(optionfilefiname,"LIJ_"),cpt,jj1,subdirf2(optionfilefiname,"LIJ_"),cpt,jj1,subdirf2(optionfilefiname,"LIJ_"),cpt,jj1);
        }
        /* State specific survival functions (period) */
        for(cpt=1; cpt<=nlstate;cpt++){
          fprintf(fichtm,"<br>\n- Survival functions from state %d in each live state and total.\
    Or probability to survive in various states (1 to %d) being in state %d at different ages.\
    <a href=\"%s%d_%d.svg\">%s%d_%d.svg</a><br> <img src=\"%s_%d-%d.svg\">", cpt, nlstate, cpt, subdirf2(optionfilefiname,"LIJT_"),cpt,jj1,subdirf2(optionfilefiname,"LIJT_"),cpt,jj1,subdirf2(optionfilefiname,"LIJT_"),cpt,jj1);
        }
        /* Period (stable) prevalence in each health state */
        for(cpt=1; cpt<=nlstate;cpt++){
          fprintf(fichtm,"<br>\n- Convergence to period (stable) prevalence in state %d. Or probability to be in state %d being in state (1 to %d) at different ages. <a href=\"%s_%d-%d.svg\">%s_%d-%d.svg</a><br> \
   <img src=\"%s_%d-%d.svg\">", cpt, cpt, nlstate, subdirf2(optionfilefiname,"P_"),cpt,jj1,subdirf2(optionfilefiname,"P_"),cpt,jj1,subdirf2(optionfilefiname,"P_"),cpt,jj1);
        }
       if(backcast==1){
        /* Period (stable) back prevalence in each health state */
        for(cpt=1; cpt<=nlstate;cpt++){
          fprintf(fichtm,"<br>\n- Convergence to period (stable) back prevalence in state %d. Or probability to be in state %d being in state (1 to %d) at different ages. <a href=\"%s_%d-%d.svg\">%s_%d-%d.svg</a><br> \
   <img src=\"%s_%d-%d.svg\">", cpt, cpt, nlstate, subdirf2(optionfilefiname,"PB_"),cpt,jj1,subdirf2(optionfilefiname,"PB_"),cpt,jj1,subdirf2(optionfilefiname,"PB_"),cpt,jj1);
        }
       }
       if(prevfcast==1){
         /* Projection of prevalence up to period (stable) prevalence in each health state */
         for(cpt=1; cpt<=nlstate;cpt++){
           fprintf(fichtm,"<br>\n- Projection of cross-sectional prevalence (estimated with cases observed from %.1f to %.1f) up to period (stable) prevalence in state %d. Or probability to be in state %d being in state (1 to %d) at different ages. <a href=\"%s%d_%d.svg\">%s%d_%d.svg</a><br> \
   <img src=\"%s_%d-%d.svg\">", dateprev1, dateprev2, cpt, cpt, nlstate, subdirf2(optionfilefiname,"PROJ_"),cpt,jj1,subdirf2(optionfilefiname,"PROJ_"),cpt,jj1,subdirf2(optionfilefiname,"PROJ_"),cpt,jj1);
         }
       }
   
        for(cpt=1; cpt<=nlstate;cpt++) {
          fprintf(fichtm,"\n<br>- Life expectancy by health state (%d) at initial age and its decomposition into health expectancies in each alive state (1 to %d) (or area under each survival functions): <a href=\"%s_%d%d.svg\">%s_%d%d.svg</a> <br> \
   <img src=\"%s_%d%d.svg\">",cpt,nlstate,subdirf2(optionfilefiname,"EXP_"),cpt,jj1,subdirf2(optionfilefiname,"EXP_"),cpt,jj1,subdirf2(optionfilefiname,"EXP_"),cpt,jj1);
        }
      /* } /\* end i1 *\/ */
    }/* End k1 */
    fprintf(fichtm,"</ul>");
   
    fprintf(fichtm,"\
   \n<br><li><h4> <a name='secondorder'>Result files (second order: variances)</a></h4>\n\
    - Parameter file with estimated parameters and covariance matrix: <a href=\"%s\">%s</a> <br> \
    - 95%% confidence intervals and Wald tests of the estimated parameters are in the log file if optimization has been done (mle != 0).<br> \
   But because parameters are usually highly correlated (a higher incidence of disability \
   and a higher incidence of recovery can give very close observed transition) it might \
   be very useful to look not only at linear confidence intervals estimated from the \
   variances but at the covariance matrix. And instead of looking at the estimated coefficients \
   (parameters) of the logistic regression, it might be more meaningful to visualize the \
   covariance matrix of the one-step probabilities. \
   See page 'Matrix of variance-covariance of one-step probabilities' below. \n", rfileres,rfileres);
   
    fprintf(fichtm," - Standard deviation of one-step probabilities: <a href=\"%s\">%s</a> <br>\n",
            subdirf2(fileresu,"PROB_"),subdirf2(fileresu,"PROB_"));
    fprintf(fichtm,"\
    - Variance-covariance of one-step probabilities: <a href=\"%s\">%s</a> <br>\n",
            subdirf2(fileresu,"PROBCOV_"),subdirf2(fileresu,"PROBCOV_"));
   
    fprintf(fichtm,"\
    - Correlation matrix of one-step probabilities: <a href=\"%s\">%s</a> <br>\n",
            subdirf2(fileresu,"PROBCOR_"),subdirf2(fileresu,"PROBCOR_"));
    fprintf(fichtm,"\
    - Variances and covariances of health expectancies by age and <b>initial health status</b> (cov(e<sup>ij</sup>,e<sup>kl</sup>)(estepm=%2d months): \
      <a href=\"%s\">%s</a> <br>\n</li>",
              estepm,subdirf2(fileresu,"CVE_"),subdirf2(fileresu,"CVE_"));
    fprintf(fichtm,"\
    - (a) Health expectancies by health status at initial age (e<sup>ij</sup>) and standard errors (in parentheses) (b) life expectancies and standard errors (e<sup>i.</sup>=e<sup>i1</sup>+e<sup>i2</sup>+...)(estepm=%2d months): \
      <a href=\"%s\">%s</a> <br>\n</li>",
              estepm,subdirf2(fileresu,"STDE_"),subdirf2(fileresu,"STDE_"));
    fprintf(fichtm,"\
    - Variances and covariances of health expectancies by age. Status (i) based health expectancies (in state j), e<sup>ij</sup> are weighted by the period prevalences in each state i (if popbased=1, an additional computation is done using the cross-sectional prevalences, i.e population based) (estepm=%d months): <a href=\"%s\">%s</a><br>\n",
            estepm, subdirf2(fileresu,"V_"),subdirf2(fileresu,"V_"));
    fprintf(fichtm,"\
    - Total life expectancy and total health expectancies to be spent in each health state e<sup>.j</sup> with their standard errors (if popbased=1, an additional computation is done using the cross-sectional prevalences, i.e population based) (estepm=%d months): <a href=\"%s\">%s</a> <br>\n",
            estepm, subdirf2(fileresu,"T_"),subdirf2(fileresu,"T_"));
    fprintf(fichtm,"\
    - Standard deviation of period (stable) prevalences: <a href=\"%s\">%s</a> <br>\n",\
            subdirf2(fileresu,"VPL_"),subdirf2(fileresu,"VPL_"));
   
   /*  if(popforecast==1) fprintf(fichtm,"\n */
   /*  - Prevalences forecasting: <a href=\"f%s\">f%s</a> <br>\n */
   /*  - Population forecasting (if popforecast=1): <a href=\"pop%s\">pop%s</a> <br>\n */
   /*      <br>",fileres,fileres,fileres,fileres); */
   /*  else  */
   /*    fprintf(fichtm,"\n No population forecast: popforecast = %d (instead of 1) or stepm = %d (instead of 1) or model=%s (instead of .)<br><br></li>\n",popforecast, stepm, model); */
    fflush(fichtm);
    fprintf(fichtm," <ul><li><b>Graphs</b></li><p>");
   
    m=pow(2,cptcoveff);
    if (cptcovn < 1) {m=1;ncodemax[1]=1;}
   
    jj1=0;
    for(k1=1; k1<=m;k1++){
      /* for(i1=1; i1<=ncodemax[k1];i1++){ */
        jj1++;
        if (cptcovn > 0) {
          fprintf(fichtm,"<hr  size=\"2\" color=\"#EC5E5E\">************ Results for covariates");
          for (cpt=1; cpt<=cptcoveff;cpt++) 
            fprintf(fichtm," V%d=%d ",Tvaraff[cpt],nbcode[Tvaraff[cpt]][codtabm(jj1,cpt)]);
          fprintf(fichtm," ************\n<hr size=\"2\" color=\"#EC5E5E\">");
        }
        for(cpt=1; cpt<=nlstate;cpt++) {
          fprintf(fichtm,"\n<br>- Observed (cross-sectional) and period (incidence based) \
   prevalence (with 95%% confidence interval) in state (%d): <a href=\"%s_%d-%d.svg\"> %s_%d-%d.svg</a>\n <br>\
   <img src=\"%s_%d-%d.svg\">",cpt,subdirf2(optionfilefiname,"V_"),cpt,jj1,subdirf2(optionfilefiname,"V_"),cpt,jj1,subdirf2(optionfilefiname,"V_"),cpt,jj1);  
        }
        fprintf(fichtm,"\n<br>- Total life expectancy by age and \
   health expectancies in states (1) and (2). If popbased=1 the smooth (due to the model) \
   true period expectancies (those weighted with period prevalences are also\
    drawn in addition to the population based expectancies computed using\
    observed and cahotic prevalences:  <a href=\"%s_%d.svg\">%s_%d.svg</a>\n<br>\
   <img src=\"%s_%d.svg\">",subdirf2(optionfilefiname,"E_"),jj1,subdirf2(optionfilefiname,"E_"),jj1,subdirf2(optionfilefiname,"E_"),jj1);
      /* } /\* end i1 *\/ */
    }/* End k1 */
    fprintf(fichtm,"</ul>");
    fflush(fichtm);
   }
   
   /******************* Gnuplot file **************/
    void printinggnuplot(char fileresu[], char optionfilefiname[], double ageminpar, double agemaxpar, double fage , int prevfcast, int backcast, char pathc[], double p[]){
   
     char dirfileres[132],optfileres[132];
     int cpt=0,k1=0,i=0,k=0,j=0,jk=0,k2=0,k3=0,ij=0,l=0;
     int lv=0, vlv=0, kl=0;
     int ng=0;
     int vpopbased;
   /*   if((ficgp=fopen(optionfilegnuplot,"a"))==NULL) { */
   /*     printf("Problem with file %s",optionfilegnuplot); */
   /*     fprintf(ficlog,"Problem with file %s",optionfilegnuplot); */
   /*   } */
   
     /*#ifdef windows */
     fprintf(ficgp,"cd \"%s\" \n",pathc);
       /*#endif */
     m=pow(2,cptcoveff);
   
     /* Contribution to likelihood */
     /* Plot the probability implied in the likelihood */
       fprintf(ficgp,"\n# Contributions to the Likelihood, mle >=1. For mle=4 no interpolation, pure matrix products.\n#\n");
       fprintf(ficgp,"\n set log y; unset log x;set xlabel \"Age\"; set ylabel \"Likelihood (-2Log(L))\";");
       /* fprintf(ficgp,"\nset ter svg size 640, 480"); */ /* Too big for svg */
       fprintf(ficgp,"\nset ter pngcairo size 640, 480");
   /* nice for mle=4 plot by number of matrix products.
      replot  "rrtest1/toto.txt" u 2:($4 == 1 && $5==2 ? $9 : 1/0):5 t "p12" with point lc 1 */
   /* replot exp(p1+p2*x)/(1+exp(p1+p2*x)+exp(p3+p4*x)+exp(p5+p6*x)) t "p12(x)"  */
       /* fprintf(ficgp,"\nset out \"%s.svg\";",subdirf2(optionfilefiname,"ILK_")); */
       fprintf(ficgp,"\nset out \"%s-dest.png\";",subdirf2(optionfilefiname,"ILK_"));
       fprintf(ficgp,"\nset log y;plot  \"%s\" u 2:(-$13):6 t \"All sample, transitions colored by destination\" with dots lc variable; set out;\n",subdirf(fileresilk));
       fprintf(ficgp,"\nset out \"%s-ori.png\";",subdirf2(optionfilefiname,"ILK_"));
       fprintf(ficgp,"\nset log y;plot  \"%s\" u 2:(-$13):5 t \"All sample, transitions colored by origin\" with dots lc variable; set out;\n\n",subdirf(fileresilk));
       for (i=1; i<= nlstate ; i ++) {
         fprintf(ficgp,"\nset out \"%s-p%dj.png\";set ylabel \"Probability for each individual/wave\";",subdirf2(optionfilefiname,"ILK_"),i);
         fprintf(ficgp,"unset log;\n# plot weighted, mean weight should have point size of 0.5\n plot  \"%s\"",subdirf(fileresilk));
         fprintf(ficgp,"  u  2:($5 == %d && $6==%d ? $10 : 1/0):($12/4.):6 t \"p%d%d\" with points pointtype 7 ps variable lc variable \\\n",i,1,i,1);
         for (j=2; j<= nlstate+ndeath ; j ++) {
           fprintf(ficgp,",\\\n \"\" u  2:($5 == %d && $6==%d ? $10 : 1/0):($12/4.):6 t \"p%d%d\" with points pointtype 7 ps variable lc variable ",i,j,i,j);
         }
         fprintf(ficgp,";\nset out; unset ylabel;\n"); 
       }
       /* unset log; plot  "rrtest1_sorted_4/ILK_rrtest1_sorted_4.txt" u  2:($4 == 1 && $5==2 ? $9 : 1/0):5 t "p12" with points lc variable */              
       /* fprintf(ficgp,"\nset log y;plot  \"%s\" u 2:(-$11):3 t \"All sample, all transitions\" with dots lc variable",subdirf(fileresilk)); */
       /* fprintf(ficgp,"\nreplot  \"%s\" u 2:($3 <= 3 ? -$11 : 1/0):3 t \"First 3 individuals\" with line lc variable", subdirf(fileresilk)); */
       fprintf(ficgp,"\nset out;unset log\n");
       /* fprintf(ficgp,"\nset out \"%s.svg\"; replot; set out; # bug gnuplot",subdirf2(optionfilefiname,"ILK_")); */
   
     strcpy(dirfileres,optionfilefiname);
     strcpy(optfileres,"vpl");
    /* 1eme*/
     for (cpt=1; cpt<= nlstate ; cpt ++) { /* For each live state */
       for (k1=1; k1<= m ; k1 ++) { /* For each combination of covariate */
         /* plot [100000000000000000000:-100000000000000000000] "mysbiaspar/vplrmysbiaspar.txt to check */
         fprintf(ficgp,"\n# 1st: Period (stable) prevalence with CI: 'VPL_' files ");
         for (k=1; k<=cptcoveff; k++){    /* For each covariate and each value */
           lv= decodtabm(k1,k,cptcoveff); /* Should be the covariate number corresponding to k1 combination */
           /* decodtabm(1,1,4) = 1 because h=1  k= (1) 1  1  1 */
           /* decodtabm(1,2,4) = 1 because h=1  k=  1 (1) 1  1 */
           /* decodtabm(13,3,4)= 2 because h=13 k=  1  1 (2) 2 */
           vlv= nbcode[Tvaraff[lv]][lv];
           fprintf(ficgp," V%d=%d ",k,vlv);
         }
         fprintf(ficgp,"\n#\n");
   
        fprintf(ficgp,"\nset out \"%s_%d-%d.svg\" \n",subdirf2(optionfilefiname,"V_"),cpt,k1);
        fprintf(ficgp,"\n#set out \"V_%s_%d-%d.svg\" \n",optionfilefiname,cpt,k1);
        fprintf(ficgp,"set xlabel \"Age\" \n\
   set ylabel \"Probability\" \n\
   set ter svg size 640, 480\n\
   plot [%.f:%.f] \"%s\" every :::%d::%d u 1:2 \"%%lf",ageminpar,fage,subdirf2(fileresu,"VPL_"),k1-1,k1-1);
   
        for (i=1; i<= nlstate ; i ++) {
          if (i==cpt) fprintf(ficgp," %%lf (%%lf)");
          else        fprintf(ficgp," %%*lf (%%*lf)");
        }
        fprintf(ficgp,"\" t\"Period (stable) prevalence\" w l lt 0,\"%s\" every :::%d::%d u 1:($2+1.96*$3) \"%%lf",subdirf2(fileresu,"VPL_"),k1-1,k1-1);
        for (i=1; i<= nlstate ; i ++) {
          if (i==cpt) fprintf(ficgp," %%lf (%%lf)");
          else fprintf(ficgp," %%*lf (%%*lf)");
        } 
        fprintf(ficgp,"\" t\"95%% CI\" w l lt 1,\"%s\" every :::%d::%d u 1:($2-1.96*$3) \"%%lf",subdirf2(fileresu,"VPL_"),k1-1,k1-1); 
        for (i=1; i<= nlstate ; i ++) {
          if (i==cpt) fprintf(ficgp," %%lf (%%lf)");
          else fprintf(ficgp," %%*lf (%%*lf)");
        }  
        fprintf(ficgp,"\" t\"\" w l lt 1,\"%s\" every :::%d::%d u 1:($%d) t\"Observed prevalence\" w l lt 2",subdirf2(fileresu,"P_"),k1-1,k1-1,2+4*(cpt-1));
                    if(backcast==1){
                            fprintf(ficgp,",\"%s\" every :::%d::%d u 1:($%d) t\"Backward stable prevalence\" w l lt 3",subdirf2(fileresu,"PLB_"),k1-1,k1-1,1+cpt);
                    }
        fprintf(ficgp,"\nset out \n");
       } /* k1 */
     } /* cpt */
     /*2 eme*/
     for (k1=1; k1<= m ; k1 ++) { 
         fprintf(ficgp,"\n# 2nd: Total life expectancy with CI: 't' files ");
         for (k=1; k<=cptcoveff; k++){    /* For each covariate and each value */
           lv= decodtabm(k1,k,cptcoveff); /* Should be the covariate number corresponding to k1 combination */
           /* decodtabm(1,1,4) = 1 because h=1  k= (1) 1  1  1 */
           /* decodtabm(1,2,4) = 1 because h=1  k=  1 (1) 1  1 */
           /* decodtabm(13,3,4)= 2 because h=13 k=  1  1 (2) 2 */
           vlv= nbcode[Tvaraff[lv]][lv];
           fprintf(ficgp," V%d=%d ",k,vlv);
         }
         fprintf(ficgp,"\n#\n");
   
       fprintf(ficgp,"\nset out \"%s_%d.svg\" \n",subdirf2(optionfilefiname,"E_"),k1);
       for(vpopbased=0; vpopbased <= popbased; vpopbased++){ /* Done for vpopbased=0 and vpopbased=1 if popbased==1*/
         if(vpopbased==0)
           fprintf(ficgp,"set ylabel \"Years\" \nset ter svg size 640, 480\nplot [%.f:%.f] ",ageminpar,fage);
         else
           fprintf(ficgp,"\nreplot ");
         for (i=1; i<= nlstate+1 ; i ++) {
           k=2*i;
           fprintf(ficgp,"\"%s\" every :::%d::%d u 1:($2==%d && $4!=0 ?$4 : 1/0) \"%%lf %%lf %%lf",subdirf2(fileresu,"T_"),k1-1,k1-1, vpopbased);
           for (j=1; j<= nlstate+1 ; j ++) {
             if (j==i) fprintf(ficgp," %%lf (%%lf)");
             else fprintf(ficgp," %%*lf (%%*lf)");
           }   
           if (i== 1) fprintf(ficgp,"\" t\"TLE\" w l lt %d, \\\n",i);
           else fprintf(ficgp,"\" t\"LE in state (%d)\" w l lt %d, \\\n",i-1,i+1);
           fprintf(ficgp,"\"%s\" every :::%d::%d u 1:($2==%d && $4!=0 ? $4-$5*2 : 1/0) \"%%lf %%lf %%lf",subdirf2(fileresu,"T_"),k1-1,k1-1,vpopbased);
           for (j=1; j<= nlstate+1 ; j ++) {
             if (j==i) fprintf(ficgp," %%lf (%%lf)");
             else fprintf(ficgp," %%*lf (%%*lf)");
           }   
           fprintf(ficgp,"\" t\"\" w l lt 0,");
           fprintf(ficgp,"\"%s\" every :::%d::%d u 1:($2==%d && $4!=0 ? $4+$5*2 : 1/0) \"%%lf %%lf %%lf",subdirf2(fileresu,"T_"),k1-1,k1-1,vpopbased);
           for (j=1; j<= nlstate+1 ; j ++) {
             if (j==i) fprintf(ficgp," %%lf (%%lf)");
             else fprintf(ficgp," %%*lf (%%*lf)");
           }   
           if (i== (nlstate+1)) fprintf(ficgp,"\" t\"\" w l lt 0");
           else fprintf(ficgp,"\" t\"\" w l lt 0,\\\n");
         } /* state */
       } /* vpopbased */
       fprintf(ficgp,"\nset out;set out \"%s_%d.svg\"; replot; set out; \n",subdirf2(optionfilefiname,"E_"),k1); /* Buggy gnuplot */
     } /* k1 */
   
   
     /*3eme*/
     for (k1=1; k1<= m ; k1 ++) { 
       for (cpt=1; cpt<= nlstate ; cpt ++) {
         fprintf(ficgp,"\n# 3d: Life expectancy with EXP_ files:  cov=%d state=%d",k1, cpt);
         for (k=1; k<=cptcoveff; k++){    /* For each covariate and each value */
           lv= decodtabm(k1,k,cptcoveff); /* Should be the covariate number corresponding to k1 combination */
           /* decodtabm(1,1,4) = 1 because h=1  k= (1) 1  1  1 */
           /* decodtabm(1,2,4) = 1 because h=1  k=  1 (1) 1  1 */
           /* decodtabm(13,3,4)= 2 because h=13 k=  1  1 (2) 2 */
           vlv= nbcode[Tvaraff[lv]][lv];
           fprintf(ficgp," V%d=%d ",k,vlv);
         }
         fprintf(ficgp,"\n#\n");
   
         /*       k=2+nlstate*(2*cpt-2); */
         k=2+(nlstate+1)*(cpt-1);
         fprintf(ficgp,"\nset out \"%s_%d%d.svg\" \n",subdirf2(optionfilefiname,"EXP_"),cpt,k1);
         fprintf(ficgp,"set ter svg size 640, 480\n\
   plot [%.f:%.f] \"%s\" every :::%d::%d u 1:%d t \"e%d1\" w l",ageminpar,fage,subdirf2(fileresu,"E_"),k1-1,k1-1,k,cpt);
         /*fprintf(ficgp,",\"e%s\" every :::%d::%d u 1:($%d-2*$%d) \"\%%lf ",fileres,k1-1,k1-1,k,k+1);
           for (i=1; i<= nlstate*2 ; i ++) fprintf(ficgp,"\%%lf (\%%lf) ");
           fprintf(ficgp,"\" t \"e%d1\" w l",cpt);
           fprintf(ficgp,",\"e%s\" every :::%d::%d u 1:($%d+2*$%d) \"\%%lf ",fileres,k1-1,k1-1,k,k+1);
           for (i=1; i<= nlstate*2 ; i ++) fprintf(ficgp,"\%%lf (\%%lf) ");
           fprintf(ficgp,"\" t \"e%d1\" w l",cpt);
           
         */
         for (i=1; i< nlstate ; i ++) {
           fprintf(ficgp," ,\"%s\" every :::%d::%d u 1:%d t \"e%d%d\" w l",subdirf2(fileresu,"E_"),k1-1,k1-1,k+i,cpt,i+1);
           /*      fprintf(ficgp," ,\"%s\" every :::%d::%d u 1:%d t \"e%d%d\" w l",subdirf2(fileres,"e"),k1-1,k1-1,k+2*i,cpt,i+1);*/
           
         } 
         fprintf(ficgp," ,\"%s\" every :::%d::%d u 1:%d t \"e%d.\" w l",subdirf2(fileresu,"E_"),k1-1,k1-1,k+nlstate,cpt);
       }
     }
     
     /* Survival functions (period) from state i in state j by initial state i */
     for (k1=1; k1<= m ; k1 ++) { /* For each multivariate if any */
       for (cpt=1; cpt<=nlstate ; cpt ++) { /* For each life state */
         fprintf(ficgp,"\n#\n#\n# Survival functions in state j : 'LIJ_' files, cov=%d state=%d",k1, cpt);
         for (k=1; k<=cptcoveff; k++){    /* For each covariate and each value */
           lv= decodtabm(k1,k,cptcoveff); /* Should be the covariate number corresponding to k1 combination */
           /* decodtabm(1,1,4) = 1 because h=1  k= (1) 1  1  1 */
           /* decodtabm(1,2,4) = 1 because h=1  k=  1 (1) 1  1 */
           /* decodtabm(13,3,4)= 2 because h=13 k=  1  1 (2) 2 */
           vlv= nbcode[Tvaraff[lv]][lv];
           fprintf(ficgp," V%d=%d ",k,vlv);
         }
         fprintf(ficgp,"\n#\n");
   
         fprintf(ficgp,"\nset out \"%s_%d-%d.svg\" \n",subdirf2(optionfilefiname,"LIJ_"),cpt,k1);
         fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability to be alive\" \n\
   set ter svg size 640, 480\n\
   unset log y\n\
   plot [%.f:%.f]  ", ageminpar, agemaxpar);
         k=3;
         for (i=1; i<= nlstate ; i ++){
           if(i==1){
             fprintf(ficgp,"\"%s\"",subdirf2(fileresu,"PIJ_"));
           }else{
             fprintf(ficgp,", '' ");
           }
           l=(nlstate+ndeath)*(i-1)+1;
           fprintf(ficgp," u ($1==%d ? ($3):1/0):($%d/($%d",k1,k+l+(cpt-1),k+l);
           for (j=2; j<= nlstate+ndeath ; j ++)
             fprintf(ficgp,"+$%d",k+l+j-1);
           fprintf(ficgp,")) t \"l(%d,%d)\" w l",i,cpt);
         } /* nlstate */
         fprintf(ficgp,"\nset out\n");
       } /* end cpt state*/ 
     } /* end covariate */  
   
     /* Survival functions (period) from state i in state j by final state j */
     for (k1=1; k1<= m ; k1 ++) { /* For each covariate if any */
       for (cpt=1; cpt<=nlstate ; cpt ++) { /* For each inital state  */
         fprintf(ficgp,"\n#\n#\n# Survival functions in state j and all livestates from state i by final state j: 'lij' files, cov=%d state=%d",k1, cpt);
         for (k=1; k<=cptcoveff; k++){    /* For each covariate and each value */
           lv= decodtabm(k1,k,cptcoveff); /* Should be the covariate number corresponding to k1 combination */
           /* decodtabm(1,1,4) = 1 because h=1  k= (1) 1  1  1 */
           /* decodtabm(1,2,4) = 1 because h=1  k=  1 (1) 1  1 */
           /* decodtabm(13,3,4)= 2 because h=13 k=  1  1 (2) 2 */
           vlv= nbcode[Tvaraff[lv]][lv];
           fprintf(ficgp," V%d=%d ",k,vlv);
         }
         fprintf(ficgp,"\n#\n");
   
         fprintf(ficgp,"\nset out \"%s_%d-%d.svg\" \n",subdirf2(optionfilefiname,"LIJT_"),cpt,k1);
         fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability to be alive\" \n\
   set ter svg size 640, 480\n\
   unset log y\n\
   plot [%.f:%.f]  ", ageminpar, agemaxpar);
         k=3;
         for (j=1; j<= nlstate ; j ++){ /* Lived in state j */
           if(j==1)
             fprintf(ficgp,"\"%s\"",subdirf2(fileresu,"PIJ_"));
           else
             fprintf(ficgp,", '' ");
           l=(nlstate+ndeath)*(cpt-1) +j;
           fprintf(ficgp," u (($1==%d && (floor($2)%%5 == 0)) ? ($3):1/0):($%d",k1,k+l);
           /* for (i=2; i<= nlstate+ndeath ; i ++) */
           /*   fprintf(ficgp,"+$%d",k+l+i-1); */
           fprintf(ficgp,") t \"l(%d,%d)\" w l",cpt,j);
         } /* nlstate */
         fprintf(ficgp,", '' ");
         fprintf(ficgp," u (($1==%d && (floor($2)%%5 == 0)) ? ($3):1/0):(",k1);
         for (j=1; j<= nlstate ; j ++){ /* Lived in state j */
           l=(nlstate+ndeath)*(cpt-1) +j;
           if(j < nlstate)
             fprintf(ficgp,"$%d +",k+l);
           else
             fprintf(ficgp,"$%d) t\"l(%d,.)\" w l",k+l,cpt);
         }
         fprintf(ficgp,"\nset out\n");
       } /* end cpt state*/ 
     } /* end covariate */  
   
     /* CV preval stable (period) for each covariate */
     for (k1=1; k1<= m ; k1 ++) { /* For each covariate combination (1 to m=2**k), if any covariate is present */
       for (cpt=1; cpt<=nlstate ; cpt ++) { /* For each life state */
         fprintf(ficgp,"\n#\n#\n#CV preval stable (period): 'pij' files, covariatecombination#=%d state=%d",k1, cpt);
         for (k=1; k<=cptcoveff; k++){    /* For each covariate and each value */
           lv= decodtabm(k1,k,cptcoveff); /* Should be the covariate number corresponding to k1 combination */
           /* decodtabm(1,1,4) = 1 because h=1  k= (1) 1  1  1 */
           /* decodtabm(1,2,4) = 1 because h=1  k=  1 (1) 1  1 */
           /* decodtabm(13,3,4)= 2 because h=13 k=  1  1 (2) 2 */
           vlv= nbcode[Tvaraff[lv]][lv];
           fprintf(ficgp," V%d=%d ",k,vlv);
         }
         fprintf(ficgp,"\n#\n");
   
         fprintf(ficgp,"\nset out \"%s_%d-%d.svg\" \n",subdirf2(optionfilefiname,"P_"),cpt,k1);
         fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability\" \n\
   set ter svg size 640, 480\n\
   unset log y\n\
   plot [%.f:%.f]  ", ageminpar, agemaxpar);
         k=3; /* Offset */
         for (i=1; i<= nlstate ; i ++){
           if(i==1)
             fprintf(ficgp,"\"%s\"",subdirf2(fileresu,"PIJ_"));
           else
             fprintf(ficgp,", '' ");
           l=(nlstate+ndeath)*(i-1)+1;
           fprintf(ficgp," u ($1==%d ? ($3):1/0):($%d/($%d",k1,k+l+(cpt-1),k+l);
           for (j=2; j<= nlstate ; j ++)
             fprintf(ficgp,"+$%d",k+l+j-1);
           fprintf(ficgp,")) t \"prev(%d,%d)\" w l",i,cpt);
         } /* nlstate */
         fprintf(ficgp,"\nset out\n");
       } /* end cpt state*/ 
     } /* end covariate */  
     if(backcast == 1){
       /* CV back preval stable (period) for each covariate */
       for (k1=1; k1<= m ; k1 ++) { /* For each covariate combination (1 to m=2**k), if any covariate is present */
         for (cpt=1; cpt<=nlstate ; cpt ++) { /* For each life state */
           fprintf(ficgp,"\n#\n#\n#CV Back preval stable (period): 'pij' files, covariatecombination#=%d state=%d",k1, cpt);
           for (k=1; k<=cptcoveff; k++){    /* For each covariate and each value */
             lv= decodtabm(k1,k,cptcoveff); /* Should be the covariate number corresponding to k1 combination */
             /* decodtabm(1,1,4) = 1 because h=1  k= (1) 1  1  1 */
             /* decodtabm(1,2,4) = 1 because h=1  k=  1 (1) 1  1 */
             /* decodtabm(13,3,4)= 2 because h=13 k=  1  1 (2) 2 */
             vlv= nbcode[Tvaraff[lv]][lv];
             fprintf(ficgp," V%d=%d ",k,vlv);
           }
           fprintf(ficgp,"\n#\n");
           
           fprintf(ficgp,"\nset out \"%s_%d-%d.svg\" \n",subdirf2(optionfilefiname,"PB_"),cpt,k1);
           fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability\" \n\
   set ter svg size 640, 480\n                                             \
   unset log y\n                                                           \
   plot [%.f:%.f]  ", ageminpar, agemaxpar);
           k=3; /* Offset */
           for (i=1; i<= nlstate ; i ++){
             if(i==1)
               fprintf(ficgp,"\"%s\"",subdirf2(fileresu,"PIJB_"));
             else
               fprintf(ficgp,", '' ");
             /* l=(nlstate+ndeath)*(i-1)+1; */
             l=(nlstate+ndeath)*(cpt-1)+1;
             /* fprintf(ficgp," u ($1==%d ? ($3):1/0):($%d/($%d",k1,k+l+(cpt-1),k+l); /\* a vérifier *\/ */
             /* fprintf(ficgp," u ($1==%d ? ($3):1/0):($%d/($%d",k1,k+l+(cpt-1),k+l+(cpt-1)+i-1); /\* a vérifier *\/ */
             fprintf(ficgp," u ($1==%d ? ($3):1/0):($%d",k1,k+l+(cpt-1)+i-1); /* a vérifier */
             /* for (j=2; j<= nlstate ; j ++) */
             /*    fprintf(ficgp,"+$%d",k+l+j-1); */
             /*    /\* fprintf(ficgp,"+$%d",k+l+j-1); *\/ */
             fprintf(ficgp,") t \"bprev(%d,%d)\" w l",i,cpt);
           } /* nlstate */
           fprintf(ficgp,"\nset out\n");
         } /* end cpt state*/ 
       } /* end covariate */  
     } /* End if backcast */
     
     if(prevfcast==1){
       /* Projection from cross-sectional to stable (period) for each covariate */
       
       for (k1=1; k1<= m ; k1 ++) { /* For each covariate combination (1 to m=2**k), if any covariate is present */
         for (cpt=1; cpt<=nlstate ; cpt ++) { /* For each life state */
           fprintf(ficgp,"\n#\n#\n#Projection of prevalence to stable (period): 'PROJ_' files, covariatecombination#=%d state=%d",k1, cpt);
           for (k=1; k<=cptcoveff; k++){    /* For each correspondig covariate value  */
             lv= decodtabm(k1,k,cptcoveff); /* Should be the covariate value corresponding to k1 combination and kth covariate */
             /* decodtabm(1,1,4) = 1 because h=1  k= (1) 1  1  1 */
             /* decodtabm(1,2,4) = 1 because h=1  k=  1 (1) 1  1 */
             /* decodtabm(13,3,4)= 2 because h=13 k=  1  1 (2) 2 */
             vlv= nbcode[Tvaraff[lv]][lv];
             fprintf(ficgp," V%d=%d ",k,vlv);
           }
           fprintf(ficgp,"\n#\n");
           
           fprintf(ficgp,"# hpijx=probability over h years, hp.jx is weighted by observed prev\n ");
           fprintf(ficgp,"\nset out \"%s_%d-%d.svg\" \n",subdirf2(optionfilefiname,"PROJ_"),cpt,k1);
           fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Prevalence\" \n\
   set ter svg size 640, 480\n\
   unset log y\n\
   plot [%.f:%.f]  ", ageminpar, agemaxpar);
           for (i=1; i<= nlstate+1 ; i ++){  /* nlstate +1 p11 p21 p.1 */
             /*#  V1  = 1  V2 =  0 yearproj age p11 p21 p.1 p12 p22 p.2 p13 p23 p.3*/
             /*#   1    2   3    4    5      6  7   8   9   10   11 12  13   14  15 */   
             /*# yearproj age p11 p21 p.1 p12 p22 p.2 p13 p23 p.3*/
             /*#   1       2   3    4    5      6  7   8   9   10   11 12  13   14  15 */   
             if(i==1){
               fprintf(ficgp,"\"%s\"",subdirf2(fileresu,"F_"));
             }else{
               fprintf(ficgp,",\\\n '' ");
             }
             if(cptcoveff ==0){ /* No covariate */
               fprintf(ficgp," u 2:("); /* Age is in 2 */
               /*# yearproj age p11 p21 p31 p.1 p12 p22 p32 p.2 p13 p23 p33 p.3 p14 p24 p34 p.4*/
               /*#   1       2   3   4   5  6    7  8   9   10  11  12  13  14  15  16  17  18 */
               if(i==nlstate+1)
                 fprintf(ficgp," $%d/(1.-$%d)) t 'p.%d' with line ", \
                           2+(cpt-1)*(nlstate+1)+1+(i-1),  2+1+(i-1)+(nlstate+1)*nlstate,cpt );
               else
                 fprintf(ficgp," $%d/(1.-$%d)) t 'p%d%d' with line ", \
                         2+(cpt-1)*(nlstate+1)+1+(i-1),  2+1+(i-1)+(nlstate+1)*nlstate,i,cpt );
             }else{
               fprintf(ficgp,"u 6:(("); /* Age is in 6 */
               /*#  V1  = 1  V2 =  0 yearproj age p11 p21 p.1 p12 p22 p.2 p13 p23 p.3*/
               /*#   1    2   3    4    5      6  7   8   9   10   11 12  13   14  15 */   
               kl=0;
               for (k=1; k<=cptcoveff; k++){    /* For each covariate  */
                 lv= decodtabm(k1,k,cptcoveff); /* Should be the covariate value corresponding to k1 combination and kth covariate */
                 /* decodtabm(1,1,4) = 1 because h=1  k= (1) 1  1  1 */
                 /* decodtabm(1,2,4) = 1 because h=1  k=  1 (1) 1  1 */
                 /* decodtabm(13,3,4)= 2 because h=13 k=  1  1 (2) 2 */
                 vlv= nbcode[Tvaraff[lv]][lv];
                 kl++;
                 /* kl=6+(cpt-1)*(nlstate+1)+1+(i-1); /\* 6+(1-1)*(2+1)+1+(1-1)=7, 6+(2-1)(2+1)+1+(1-1)=10 *\/ */
                 /*6+(cpt-1)*(nlstate+1)+1+(i-1)+(nlstate+1)*nlstate; 6+(1-1)*(2+1)+1+(1-1) +(2+1)*2=13 */ 
                 /*6+1+(i-1)+(nlstate+1)*nlstate; 6+1+(1-1) +(2+1)*2=13 */ 
                 /* ''  u 6:(($1==1 && $2==0 && $3==2 && $4==0)? $9/(1.-$15) : 1/0):($5==2000? 3:2) t 'p.1' with line lc variable*/
                 if(k==cptcoveff)
                   if(i==nlstate+1)
                     fprintf(ficgp,"$%d==%d && $%d==%d)? $%d/(1.-$%d) : 1/0) t 'p.%d' with line ",kl, k,kl+1,nbcode[Tvaraff[lv]][lv], \
                             6+(cpt-1)*(nlstate+1)+1+(i-1),  6+1+(i-1)+(nlstate+1)*nlstate,cpt );
                   else
                     fprintf(ficgp,"$%d==%d && $%d==%d)? $%d/(1.-$%d) : 1/0) t 'p%d%d' with line ",kl, k,kl+1,nbcode[Tvaraff[lv]][lv], \
                             6+(cpt-1)*(nlstate+1)+1+(i-1),  6+1+(i-1)+(nlstate+1)*nlstate,i,cpt );
                 else{
                   fprintf(ficgp,"$%d==%d && $%d==%d && ",kl, k,kl+1,nbcode[Tvaraff[lv]][lv]);
                   kl++;
                 }
               } /* end covariate */
             } /* end if covariate */
           } /* nlstate */
           fprintf(ficgp,"\nset out\n");
         } /* end cpt state*/
       } /* end covariate */
     } /* End if prevfcast */
   
   
     /* proba elementaires */
     fprintf(ficgp,"\n##############\n#MLE estimated parameters\n#############\n");
     for(i=1,jk=1; i <=nlstate; i++){
       fprintf(ficgp,"# initial state %d\n",i);
       for(k=1; k <=(nlstate+ndeath); k++){
         if (k != i) {
           fprintf(ficgp,"#   current state %d\n",k);
           for(j=1; j <=ncovmodel; j++){
             fprintf(ficgp,"p%d=%f; ",jk,p[jk]);
             jk++; 
           }
           fprintf(ficgp,"\n");
         }
       }
      }
     fprintf(ficgp,"##############\n#\n");
   
     /*goto avoid;*/
     fprintf(ficgp,"\n##############\n#Graphics of probabilities or incidences\n#############\n");
     fprintf(ficgp,"# logi(p12/p11)=a12+b12*age+c12age*age+d12*V1+e12*V1*age\n");
     fprintf(ficgp,"# logi(p12/p11)=p1 +p2*age +p3*age*age+ p4*V1+ p5*V1*age\n");
     fprintf(ficgp,"# logi(p13/p11)=a13+b13*age+c13age*age+d13*V1+e13*V1*age\n");
     fprintf(ficgp,"# logi(p13/p11)=p6 +p7*age +p8*age*age+ p9*V1+ p10*V1*age\n");
     fprintf(ficgp,"# p12+p13+p14+p11=1=p11(1+exp(a12+b12*age+c12age*age+d12*V1+e12*V1*age)\n");
     fprintf(ficgp,"#                      +exp(a13+b13*age+c13age*age+d13*V1+e13*V1*age)+...)\n");
     fprintf(ficgp,"# p11=1/(1+exp(a12+b12*age+c12age*age+d12*V1+e12*V1*age)\n");
     fprintf(ficgp,"#                      +exp(a13+b13*age+c13age*age+d13*V1+e13*V1*age)+...)\n");
     fprintf(ficgp,"# p12=exp(a12+b12*age+c12age*age+d12*V1+e12*V1*age)/\n");
     fprintf(ficgp,"#     (1+exp(a12+b12*age+c12age*age+d12*V1+e12*V1*age)\n");
     fprintf(ficgp,"#       +exp(a13+b13*age+c13age*age+d13*V1+e13*V1*age))\n");
     fprintf(ficgp,"#       +exp(a14+b14*age+c14age*age+d14*V1+e14*V1*age)+...)\n");
     fprintf(ficgp,"#\n");
      for(ng=1; ng<=3;ng++){ /* Number of graphics: first is logit, 2nd is probabilities, third is incidences per year*/
        fprintf(ficgp,"# ng=%d\n",ng);
        fprintf(ficgp,"#   jk=1 to 2^%d=%d\n",cptcoveff,m);
        for(jk=1; jk <=m; jk++) {
          fprintf(ficgp,"#    jk=%d\n",jk);
          fprintf(ficgp,"\nset out \"%s_%d-%d.svg\" ",subdirf2(optionfilefiname,"PE_"),jk,ng);
          fprintf(ficgp,"\nset ter svg size 640, 480 ");
          if (ng==1){
            fprintf(ficgp,"\nset ylabel \"Value of the logit of the model\"\n"); /* exp(a12+b12*x) could be nice */
            fprintf(ficgp,"\nunset log y");
          }else if (ng==2){
            fprintf(ficgp,"\nset ylabel \"Probability\"\n");
            fprintf(ficgp,"\nset log y");
          }else if (ng==3){
            fprintf(ficgp,"\nset ylabel \"Quasi-incidence per year\"\n");
            fprintf(ficgp,"\nset log y");
          }else
            fprintf(ficgp,"\nunset title ");
          fprintf(ficgp,"\nplot  [%.f:%.f] ",ageminpar,agemaxpar);
          i=1;
          for(k2=1; k2<=nlstate; k2++) {
            k3=i;
            for(k=1; k<=(nlstate+ndeath); k++) {
              if (k != k2){
                switch( ng) {
                case 1:
                  if(nagesqr==0)
                    fprintf(ficgp," p%d+p%d*x",i,i+1);
                  else /* nagesqr =1 */
                    fprintf(ficgp," p%d+p%d*x+p%d*x*x",i,i+1,i+1+nagesqr);
                  break;
                case 2: /* ng=2 */
                  if(nagesqr==0)
                    fprintf(ficgp," exp(p%d+p%d*x",i,i+1);
                  else /* nagesqr =1 */
                      fprintf(ficgp," exp(p%d+p%d*x+p%d*x*x",i,i+1,i+1+nagesqr);
                  break;
                case 3:
                  if(nagesqr==0)
                    fprintf(ficgp," %f*exp(p%d+p%d*x",YEARM/stepm,i,i+1);
                  else /* nagesqr =1 */
                    fprintf(ficgp," %f*exp(p%d+p%d*x+p%d*x*x",YEARM/stepm,i,i+1,i+1+nagesqr);
                  break;
                }
                ij=1;/* To be checked else nbcode[0][0] wrong */
                for(j=3; j <=ncovmodel-nagesqr; j++) {
                  /* printf("Tage[%d]=%d, j=%d\n", ij, Tage[ij], j); */
                  if(ij <=cptcovage) { /* Bug valgrind */
                    if((j-2)==Tage[ij]) { /* Bug valgrind */
                      fprintf(ficgp,"+p%d*%d*x",i+j+nagesqr-1,nbcode[Tvar[j-2]][codtabm(jk,j-2)]);
                      /* fprintf(ficgp,"+p%d*%d*x",i+j+nagesqr-1,nbcode[Tvar[j-2]][codtabm(jk,Tvar[j-2])]); */
                      ij++;
                    }
                  }
                  else
                    fprintf(ficgp,"+p%d*%d",i+j+nagesqr-1,nbcode[Tvar[j-2]][codtabm(jk,j-2)]);
                }
              }else{
                i=i-ncovmodel;
                if(ng !=1 ) /* For logit formula of log p11 is more difficult to get */
                  fprintf(ficgp," (1.");
              }
              
              if(ng != 1){
                fprintf(ficgp,")/(1");
                
                for(k1=1; k1 <=nlstate; k1++){ 
                  if(nagesqr==0)
                    fprintf(ficgp,"+exp(p%d+p%d*x",k3+(k1-1)*ncovmodel,k3+(k1-1)*ncovmodel+1);
                  else /* nagesqr =1 */
                    fprintf(ficgp,"+exp(p%d+p%d*x+p%d*x*x",k3+(k1-1)*ncovmodel,k3+(k1-1)*ncovmodel+1,k3+(k1-1)*ncovmodel+1+nagesqr);
                  
                  ij=1;
                  for(j=3; j <=ncovmodel-nagesqr; j++){
                    if(ij <=cptcovage) { /* Bug valgrind */
                      if((j-2)==Tage[ij]) { /* Bug valgrind */
                        fprintf(ficgp,"+p%d*%d*x",k3+(k1-1)*ncovmodel+1+j-2+nagesqr,nbcode[Tvar[j-2]][codtabm(jk,j-2)]);
                        /* fprintf(ficgp,"+p%d*%d*x",k3+(k1-1)*ncovmodel+1+j-2+nagesqr,nbcode[Tvar[j-2]][codtabm(jk,Tvar[j-2])]); */
                        ij++;
                      }
                    }
                    else
                      fprintf(ficgp,"+p%d*%d",k3+(k1-1)*ncovmodel+1+j-2+nagesqr,nbcode[Tvar[j-2]][codtabm(jk,j-2)]);
                  }
                  fprintf(ficgp,")");
                }
                fprintf(ficgp,")");
                if(ng ==2)
                  fprintf(ficgp," t \"p%d%d\" ", k2,k);
                else /* ng= 3 */
                  fprintf(ficgp," t \"i%d%d\" ", k2,k);
              }else{ /* end ng <> 1 */
                if( k !=k2) /* logit p11 is hard to draw */
                  fprintf(ficgp," t \"logit(p%d%d)\" ", k2,k);
              }
              if ((k+k2)!= (nlstate*2+ndeath) && ng != 1)
                fprintf(ficgp,",");
              if (ng == 1 && k!=k2 && (k+k2)!= (nlstate*2+ndeath))
                fprintf(ficgp,",");
              i=i+ncovmodel;
            } /* end k */
          } /* end k2 */
          fprintf(ficgp,"\n set out\n");
        } /* end jk */
      } /* end ng */
    /* avoid: */
      fflush(ficgp); 
   }  /* end gnuplot */
   
   
   /*************** Moving average **************/
                   /* int movingaverage(double ***probs, double bage, double fage, double ***mobaverage, int mobilav, double bageout, double fageout){ */
   int movingaverage(double ***probs, double bage, double fage, double ***mobaverage, int mobilav){
      
     int i, cpt, cptcod;
     int modcovmax =1;
     int mobilavrange, mob;
     double age;
     int iage=0;
     double *sumnewp, *sumnewm;
     double *agemingood, *agemaxgood; /* Currently identical for all covariates */
     
     sumnewp = vector(1,modcovmax);
     sumnewm = vector(1,modcovmax);
     agemingood = vector(1,modcovmax);     
     agemaxgood = vector(1,modcovmax);
     
     
     modcovmax=2*cptcoveff;/* Max number of modalities. We suppose 
                              a covariate has 2 modalities, should be equal to ncovcombmax  */
     if (cptcovn<1) modcovmax=1; /* At least 1 pass */
     
     if(mobilav==1||mobilav ==3 ||mobilav==5 ||mobilav== 7){
       if(mobilav==1) mobilavrange=5; /* default */
       else mobilavrange=mobilav;
       for (age=bage; age<=fage; age++)
         for (i=1; i<=nlstate;i++)
           for (cptcod=1;cptcod<=modcovmax;cptcod++)
             mobaverage[(int)age][i][cptcod]=probs[(int)age][i][cptcod];
       /* We keep the original values on the extreme ages bage, fage and for 
          fage+1 and bage-1 we use a 3 terms moving average; for fage+2 bage+2
          we use a 5 terms etc. until the borders are no more concerned. 
       */ 
       for (mob=3;mob <=mobilavrange;mob=mob+2){
         for (age=bage+(mob-1)/2; age<=fage-(mob-1)/2; age++){
           for (i=1; i<=nlstate;i++){
             for (cptcod=1;cptcod<=modcovmax;cptcod++){
               mobaverage[(int)age][i][cptcod] =probs[(int)age][i][cptcod];
               for (cpt=1;cpt<=(mob-1)/2;cpt++){
                 mobaverage[(int)age][i][cptcod] +=probs[(int)age-cpt][i][cptcod];
                 mobaverage[(int)age][i][cptcod] +=probs[(int)age+cpt][i][cptcod];
               }
               mobaverage[(int)age][i][cptcod]=mobaverage[(int)age][i][cptcod]/mob;
             }
           }
         }/* end age */
       }/* end mob */
     }else
       return -1;
     for (cptcod=1;cptcod<=modcovmax;cptcod++){
       /* for (age=bage+(mob-1)/2; age<=fage-(mob-1)/2; age++){ */
       agemingood[cptcod]=fage+(mob-1)/2;
       for (age=fage-(mob-1)/2; age>=bage; age--){/* From oldest to youngest, finding the youngest wrong */
         sumnewm[cptcod]=0.;
         for (i=1; i<=nlstate;i++){
           sumnewm[cptcod]+=mobaverage[(int)age][i][cptcod];
         }
         if(fabs(sumnewm[cptcod] - 1.) <= 1.e-3) { /* good */
           agemingood[cptcod]=age;
         }else{ /* bad */
           for (i=1; i<=nlstate;i++){
             mobaverage[(int)age][i][cptcod]=mobaverage[(int)agemingood[cptcod]][i][cptcod];
           } /* i */
         } /* end bad */
       }/* age */
       /* From youngest, finding the oldest wrong */
       agemaxgood[cptcod]=bage+(mob-1)/2;
       for (age=bage+(mob-1)/2; age<=fage; age++){
         sumnewm[cptcod]=0.;
         for (i=1; i<=nlstate;i++){
           sumnewm[cptcod]+=mobaverage[(int)age][i][cptcod];
         }
         if(fabs(sumnewm[cptcod] - 1.) <= 1.e-3) { /* good */
           agemaxgood[cptcod]=age;
         }else{ /* bad */
           for (i=1; i<=nlstate;i++){
             mobaverage[(int)age][i][cptcod]=mobaverage[(int)agemaxgood[cptcod]][i][cptcod];
           } /* i */
         } /* end bad */
       }/* age */
       for (age=bage; age<=fage; age++){
         printf("%d %d ", cptcod, (int)age);
         sumnewp[cptcod]=0.;
         sumnewm[cptcod]=0.;
         for (i=1; i<=nlstate;i++){
           sumnewp[cptcod]+=probs[(int)age][i][cptcod];
           sumnewm[cptcod]+=mobaverage[(int)age][i][cptcod];
           printf("%.4f %.4f ",probs[(int)age][i][cptcod], mobaverage[(int)age][i][cptcod]);
         }
         printf("%.4f %.4f \n",sumnewp[cptcod], sumnewm[cptcod]);
       }
       printf("\n");
       /* brutal averaging */
       for (i=1; i<=nlstate;i++){
         for (age=1; age<=bage; age++){
           mobaverage[(int)age][i][cptcod]=mobaverage[(int)agemingood[cptcod]][i][cptcod];
           printf("age=%d i=%d cptcod=%d mobaverage=%.4f \n",(int)age,i, cptcod, mobaverage[(int)age][i][cptcod]);
         } 
         for (age=fage; age<=AGESUP; age++){
           mobaverage[(int)age][i][cptcod]=mobaverage[(int)agemaxgood[cptcod]][i][cptcod];
           printf("age=%d i=%d cptcod=%d mobaverage=%.4f \n",(int)age,i, cptcod, mobaverage[(int)age][i][cptcod]);
         }
       } /* end i status */
       for (i=nlstate+1; i<=nlstate+ndeath;i++){
         for (age=1; age<=AGESUP; age++){
           /*printf("i=%d, age=%d, cptcod=%d\n",i, (int)age, cptcod);*/
           mobaverage[(int)age][i][cptcod]=0.;
         }
       }
     }/* end cptcod */
     free_vector(sumnewm,1, modcovmax);
     free_vector(sumnewp,1, modcovmax);
     free_vector(agemaxgood,1, modcovmax);
     free_vector(agemingood,1, modcovmax);
     return 0;
   }/* End movingaverage */
    
   
   /************** Forecasting ******************/
   void prevforecast(char fileres[], double anproj1, double mproj1, double jproj1, double ageminpar, double agemax, double dateprev1, double dateprev2, int mobilav, double bage, double fage, int firstpass, int lastpass, double anproj2, double p[], int cptcoveff){
     /* proj1, year, month, day of starting projection 
        agemin, agemax range of age
        dateprev1 dateprev2 range of dates during which prevalence is computed
        anproj2 year of en of projection (same day and month as proj1).
     */
     int yearp, stepsize, hstepm, nhstepm, j, k, cptcod, i, h, i1;
     double agec; /* generic age */
     double agelim, ppij, yp,yp1,yp2,jprojmean,mprojmean,anprojmean;
     double *popeffectif,*popcount;
     double ***p3mat;
     /* double ***mobaverage; */
     char fileresf[FILENAMELENGTH];
   
     agelim=AGESUP;
     /* Compute observed prevalence between dateprev1 and dateprev2 by counting the number of people
        in each health status at the date of interview (if between dateprev1 and dateprev2).
        We still use firstpass and lastpass as another selection.
     */
     /* freqsummary(fileres, agemin, agemax, s, agev, nlstate, imx,Tvaraff,nbcode, ncodemax,mint,anint,strstart,\ */
     /*          firstpass, lastpass,  stepm,  weightopt, model); */
    
     strcpy(fileresf,"F_"); 
     strcat(fileresf,fileresu);
     if((ficresf=fopen(fileresf,"w"))==NULL) {
       printf("Problem with forecast resultfile: %s\n", fileresf);
       fprintf(ficlog,"Problem with forecast resultfile: %s\n", fileresf);
     }
     printf("Computing forecasting: result on file '%s', please wait... \n", fileresf);
     fprintf(ficlog,"Computing forecasting: result on file '%s', please wait... \n", fileresf);
   
     if (cptcoveff==0) ncodemax[cptcoveff]=1;
   
   
     stepsize=(int) (stepm+YEARM-1)/YEARM;
     if (stepm<=12) stepsize=1;
     if(estepm < stepm){
       printf ("Problem %d lower than %d\n",estepm, stepm);
     }
     else  hstepm=estepm;   
   
     hstepm=hstepm/stepm; 
     yp1=modf(dateintmean,&yp);/* extracts integral of datemean in yp  and
                                  fractional in yp1 */
     anprojmean=yp;
     yp2=modf((yp1*12),&yp);
     mprojmean=yp;
     yp1=modf((yp2*30.5),&yp);
     jprojmean=yp;
     if(jprojmean==0) jprojmean=1;
     if(mprojmean==0) jprojmean=1;
   
     i1=cptcoveff;
     if (cptcovn < 1){i1=1;}
     
     fprintf(ficresf,"# Mean day of interviews %.lf/%.lf/%.lf (%.2f) between %.2f and %.2f \n",jprojmean,mprojmean,anprojmean,dateintmean,dateprev1,dateprev2); 
     
     fprintf(ficresf,"#****** Routine prevforecast **\n");
   
   /*            if (h==(int)(YEARM*yearp)){ */
     for(cptcov=1, k=0;cptcov<=i1;cptcov++){
       for(cptcod=1;cptcod<=ncodemax[cptcoveff];cptcod++){
         k=k+1;
         fprintf(ficresf,"\n#****** hpijx=probability over h years, hp.jx is weighted by observed prev \n#");
         for(j=1;j<=cptcoveff;j++) {
           fprintf(ficresf," V%d (=) %d",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
         }
         fprintf(ficresf," yearproj age");
         for(j=1; j<=nlstate+ndeath;j++){ 
           for(i=1; i<=nlstate;i++)              
             fprintf(ficresf," p%d%d",i,j);
           fprintf(ficresf," p.%d",j);
         }
         for (yearp=0; yearp<=(anproj2-anproj1);yearp +=stepsize) {
           fprintf(ficresf,"\n");
           fprintf(ficresf,"\n# Forecasting at date %.lf/%.lf/%.lf ",jproj1,mproj1,anproj1+yearp);   
           for (agec=fage; agec>=(ageminpar-1); agec--){ 
             nhstepm=(int) rint((agelim-agec)*YEARM/stepm); 
             nhstepm = nhstepm/hstepm; 
             p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
             oldm=oldms;savm=savms;
             hpxij(p3mat,nhstepm,agec,hstepm,p,nlstate,stepm,oldm,savm, k);
           
             for (h=0; h<=nhstepm; h++){
               if (h*hstepm/YEARM*stepm ==yearp) {
                 fprintf(ficresf,"\n");
                 for(j=1;j<=cptcoveff;j++) 
                   fprintf(ficresf,"%d %d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
                 fprintf(ficresf,"%.f %.f ",anproj1+yearp,agec+h*hstepm/YEARM*stepm);
               } 
               for(j=1; j<=nlstate+ndeath;j++) {
                 ppij=0.;
                 for(i=1; i<=nlstate;i++) {
                   if (mobilav==1) 
                     ppij=ppij+p3mat[i][j][h]*mobaverage[(int)agec][i][cptcod];
                   else {
                     ppij=ppij+p3mat[i][j][h]*probs[(int)(agec)][i][cptcod];
                   }
                   if (h*hstepm/YEARM*stepm== yearp) {
                     fprintf(ficresf," %.3f", p3mat[i][j][h]);
                   }
                 } /* end i */
                 if (h*hstepm/YEARM*stepm==yearp) {
                   fprintf(ficresf," %.3f", ppij);
                 }
               }/* end j */
             } /* end h */
             free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
           } /* end agec */
         } /* end yearp */
       } /* end cptcod */
     } /* end  cptcov */
          
     fclose(ficresf);
     printf("End of Computing forecasting \n");
     fprintf(ficlog,"End of Computing forecasting\n");
   
   }
   
   /* /\************** Back Forecasting ******************\/ */
   /* void prevbackforecast(char fileres[], double anback1, double mback1, double jback1, double ageminpar, double agemax, double dateprev1, double dateprev2, int mobilav, double bage, double fage, int firstpass, int lastpass, double anback2, double p[], int cptcoveff){ */
   /*   /\* back1, year, month, day of starting backection  */
   /*      agemin, agemax range of age */
   /*      dateprev1 dateprev2 range of dates during which prevalence is computed */
   /*      anback2 year of en of backection (same day and month as back1). */
   /*   *\/ */
   /*   int yearp, stepsize, hstepm, nhstepm, j, k, cptcod, i, h, i1; */
   /*   double agec; /\* generic age *\/ */
   /*   double agelim, ppij, yp,yp1,yp2,jprojmean,mprojmean,anprojmean; */
   /*   double *popeffectif,*popcount; */
   /*   double ***p3mat; */
   /*   /\* double ***mobaverage; *\/ */
   /*   char fileresfb[FILENAMELENGTH]; */
           
   /*   agelim=AGESUP; */
   /*   /\* Compute observed prevalence between dateprev1 and dateprev2 by counting the number of people */
   /*      in each health status at the date of interview (if between dateprev1 and dateprev2). */
   /*      We still use firstpass and lastpass as another selection. */
   /*   *\/ */
   /*   /\* freqsummary(fileres, agemin, agemax, s, agev, nlstate, imx,Tvaraff,nbcode, ncodemax,mint,anint,strstart,\ *\/ */
   /*   /\*              firstpass, lastpass,  stepm,  weightopt, model); *\/ */
   /*   prevalence(probs, ageminpar, agemax, s, agev, nlstate, imx, Tvar, nbcode, ncodemax, mint, anint, dateprev1, dateprev2, firstpass, lastpass); */
           
   /*   strcpy(fileresfb,"FB_");  */
   /*   strcat(fileresfb,fileresu); */
   /*   if((ficresfb=fopen(fileresfb,"w"))==NULL) { */
   /*     printf("Problem with back forecast resultfile: %s\n", fileresfb); */
   /*     fprintf(ficlog,"Problem with back forecast resultfile: %s\n", fileresfb); */
   /*   } */
   /*   printf("Computing back forecasting: result on file '%s', please wait... \n", fileresfb); */
   /*   fprintf(ficlog,"Computing back forecasting: result on file '%s', please wait... \n", fileresfb); */
           
   /*   if (cptcoveff==0) ncodemax[cptcoveff]=1; */
           
   /*   /\* if (mobilav!=0) { *\/ */
   /*   /\*   mobaverage= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX); *\/ */
   /*   /\*   if (movingaverage(probs, ageminpar, fage, mobaverage,mobilav)!=0){ *\/ */
   /*   /\*     fprintf(ficlog," Error in movingaverage mobilav=%d\n",mobilav); *\/ */
   /*   /\*     printf(" Error in movingaverage mobilav=%d\n",mobilav); *\/ */
   /*   /\*   } *\/ */
   /*   /\* } *\/ */
           
   /*   stepsize=(int) (stepm+YEARM-1)/YEARM; */
   /*   if (stepm<=12) stepsize=1; */
   /*   if(estepm < stepm){ */
   /*     printf ("Problem %d lower than %d\n",estepm, stepm); */
   /*   } */
   /*   else  hstepm=estepm;    */
           
   /*   hstepm=hstepm/stepm;  */
   /*   yp1=modf(dateintmean,&yp);/\* extracts integral of datemean in yp  and */
   /*                                fractional in yp1 *\/ */
   /*   anprojmean=yp; */
   /*   yp2=modf((yp1*12),&yp); */
   /*   mprojmean=yp; */
   /*   yp1=modf((yp2*30.5),&yp); */
   /*   jprojmean=yp; */
   /*   if(jprojmean==0) jprojmean=1; */
   /*   if(mprojmean==0) jprojmean=1; */
           
   /*   i1=cptcoveff; */
   /*   if (cptcovn < 1){i1=1;} */
     
   /*   fprintf(ficresfb,"# Mean day of interviews %.lf/%.lf/%.lf (%.2f) between %.2f and %.2f \n",jprojmean,mprojmean,anprojmean,dateintmean,dateprev1,dateprev2);  */
     
   /*   fprintf(ficresfb,"#****** Routine prevbackforecast **\n"); */
           
   /*      /\*           if (h==(int)(YEARM*yearp)){ *\/ */
   /*   for(cptcov=1, k=0;cptcov<=i1;cptcov++){ */
   /*     for(cptcod=1;cptcod<=ncodemax[cptcoveff];cptcod++){ */
   /*       k=k+1; */
   /*       fprintf(ficresfb,"\n#****** hbijx=probability over h years, hp.jx is weighted by observed prev \n#"); */
   /*       for(j=1;j<=cptcoveff;j++) { */
   /*                              fprintf(ficresfb," V%d (=) %d",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]); */
   /*       } */
   /*       fprintf(ficresfb," yearbproj age"); */
   /*       for(j=1; j<=nlstate+ndeath;j++){  */
   /*                              for(i=1; i<=nlstate;i++)               */
   /*           fprintf(ficresfb," p%d%d",i,j); */
   /*                              fprintf(ficresfb," p.%d",j); */
   /*       } */
   /*       for (yearp=0; yearp>=(anback2-anback1);yearp -=stepsize) {  */
   /*                              /\* for (yearp=0; yearp<=(anproj2-anproj1);yearp +=stepsize) {  *\/ */
   /*                              fprintf(ficresfb,"\n"); */
   /*                              fprintf(ficresfb,"\n# Back Forecasting at date %.lf/%.lf/%.lf ",jback1,mback1,anback1+yearp);    */
   /*                              for (agec=fage; agec>=(ageminpar-1); agec--){  */
   /*                                      nhstepm=(int) rint((agelim-agec)*YEARM/stepm);  */
   /*                                      nhstepm = nhstepm/hstepm;  */
   /*                                      p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm); */
   /*                                      oldm=oldms;savm=savms; */
   /*                                      hbxij(p3mat,nhstepm,agec,hstepm,p,prevacurrent,nlstate,stepm,oldm,savm,oldm,savm, dnewm, doldm, dsavm, k);       */
   /*                                      for (h=0; h<=nhstepm; h++){ */
   /*                                              if (h*hstepm/YEARM*stepm ==yearp) { */
   /*               fprintf(ficresfb,"\n"); */
   /*               for(j=1;j<=cptcoveff;j++)  */
   /*                 fprintf(ficresfb,"%d %d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]); */
   /*                                                      fprintf(ficresfb,"%.f %.f ",anback1+yearp,agec+h*hstepm/YEARM*stepm); */
   /*                                              }  */
   /*                                              for(j=1; j<=nlstate+ndeath;j++) { */
   /*                                                      ppij=0.; */
   /*                                                      for(i=1; i<=nlstate;i++) { */
   /*                                                              if (mobilav==1)  */
   /*                                                                      ppij=ppij+p3mat[i][j][h]*mobaverage[(int)agec][i][cptcod]; */
   /*                                                              else { */
   /*                                                                      ppij=ppij+p3mat[i][j][h]*probs[(int)(agec)][i][cptcod]; */
   /*                                                              } */
   /*                                                              if (h*hstepm/YEARM*stepm== yearp) { */
   /*                                                                      fprintf(ficresfb," %.3f", p3mat[i][j][h]); */
   /*                                                              } */
   /*                                                      } /\* end i *\/ */
   /*                                                      if (h*hstepm/YEARM*stepm==yearp) { */
   /*                                                              fprintf(ficresfb," %.3f", ppij); */
   /*                                                      } */
   /*                                              }/\* end j *\/ */
   /*                                      } /\* end h *\/ */
   /*                                      free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm); */
   /*                              } /\* end agec *\/ */
   /*       } /\* end yearp *\/ */
   /*     } /\* end cptcod *\/ */
   /*   } /\* end  cptcov *\/ */
           
   /*   /\* if (mobilav!=0) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX); *\/ */
           
   /*   fclose(ficresfb); */
   /*   printf("End of Computing Back forecasting \n"); */
   /*   fprintf(ficlog,"End of Computing Back forecasting\n"); */
           
   /* } */
   
   /************** Forecasting *****not tested NB*************/
   void populforecast(char fileres[], double anpyram,double mpyram,double jpyram,double ageminpar, double agemax,double dateprev1, double dateprev2, int mobilav, double agedeb, double fage, int popforecast, char popfile[], double anpyram1,double p[], int i2){
     
     int cpt, stepsize, hstepm, nhstepm, j,k,c, cptcod, i,h;
     int *popage;
     double calagedatem, agelim, kk1, kk2;
     double *popeffectif,*popcount;
     double ***p3mat,***tabpop,***tabpopprev;
     /* double ***mobaverage; */
     char filerespop[FILENAMELENGTH];
   
     tabpop= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX);
     tabpopprev= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX);
     agelim=AGESUP;
     calagedatem=(anpyram+mpyram/12.+jpyram/365.-dateintmean)*YEARM;
     
     prevalence(probs, ageminpar, agemax, s, agev, nlstate, imx, Tvar, nbcode, ncodemax, mint, anint, dateprev1, dateprev2, firstpass, lastpass);
     
     
     strcpy(filerespop,"POP_"); 
     strcat(filerespop,fileresu);
     if((ficrespop=fopen(filerespop,"w"))==NULL) {
       printf("Problem with forecast resultfile: %s\n", filerespop);
       fprintf(ficlog,"Problem with forecast resultfile: %s\n", filerespop);
     }
     printf("Computing forecasting: result on file '%s' \n", filerespop);
     fprintf(ficlog,"Computing forecasting: result on file '%s' \n", filerespop);
   
     if (cptcoveff==0) ncodemax[cptcoveff]=1;
   
     /* if (mobilav!=0) { */
     /*   mobaverage= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX); */
     /*   if (movingaverage(probs, ageminpar, fage, mobaverage,mobilav)!=0){ */
     /*     fprintf(ficlog," Error in movingaverage mobilav=%d\n",mobilav); */
     /*     printf(" Error in movingaverage mobilav=%d\n",mobilav); */
     /*   } */
     /* } */
   
     stepsize=(int) (stepm+YEARM-1)/YEARM;
     if (stepm<=12) stepsize=1;
     
     agelim=AGESUP;
     
     hstepm=1;
     hstepm=hstepm/stepm; 
           
     if (popforecast==1) {
       if((ficpop=fopen(popfile,"r"))==NULL) {
         printf("Problem with population file : %s\n",popfile);exit(0);
         fprintf(ficlog,"Problem with population file : %s\n",popfile);exit(0);
       } 
       popage=ivector(0,AGESUP);
       popeffectif=vector(0,AGESUP);
       popcount=vector(0,AGESUP);
       
       i=1;   
       while ((c=fscanf(ficpop,"%d %lf\n",&popage[i],&popcount[i])) != EOF) i=i+1;
       
       imx=i;
       for (i=1; i<imx;i++) popeffectif[popage[i]]=popcount[i];
     }
     
     for(cptcov=1,k=0;cptcov<=i2;cptcov++){
       for(cptcod=1;cptcod<=ncodemax[cptcoveff];cptcod++){
         k=k+1;
         fprintf(ficrespop,"\n#******");
         for(j=1;j<=cptcoveff;j++) {
           fprintf(ficrespop," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
         }
         fprintf(ficrespop,"******\n");
         fprintf(ficrespop,"# Age");
         for(j=1; j<=nlstate+ndeath;j++) fprintf(ficrespop," P.%d",j);
         if (popforecast==1)  fprintf(ficrespop," [Population]");
         
         for (cpt=0; cpt<=0;cpt++) { 
           fprintf(ficrespop,"\n\n# Forecasting at date %.lf/%.lf/%.lf ",jpyram,mpyram,anpyram+cpt);   
           
           for (agedeb=(fage-((int)calagedatem %12/12.)); agedeb>=(ageminpar-((int)calagedatem %12)/12.); agedeb--){ 
             nhstepm=(int) rint((agelim-agedeb)*YEARM/stepm); 
             nhstepm = nhstepm/hstepm; 
             
             p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
             oldm=oldms;savm=savms;
             hpxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);  
             
             for (h=0; h<=nhstepm; h++){
               if (h==(int) (calagedatem+YEARM*cpt)) {
                 fprintf(ficrespop,"\n %3.f ",agedeb+h*hstepm/YEARM*stepm);
               } 
               for(j=1; j<=nlstate+ndeath;j++) {
                 kk1=0.;kk2=0;
                 for(i=1; i<=nlstate;i++) {              
                   if (mobilav==1) 
                     kk1=kk1+p3mat[i][j][h]*mobaverage[(int)agedeb+1][i][cptcod];
                   else {
                     kk1=kk1+p3mat[i][j][h]*probs[(int)(agedeb+1)][i][cptcod];
                   }
                 }
                 if (h==(int)(calagedatem+12*cpt)){
                   tabpop[(int)(agedeb)][j][cptcod]=kk1;
                   /*fprintf(ficrespop," %.3f", kk1);
                     if (popforecast==1) fprintf(ficrespop," [%.f]", kk1*popeffectif[(int)agedeb+1]);*/
                 }
               }
               for(i=1; i<=nlstate;i++){
                 kk1=0.;
                 for(j=1; j<=nlstate;j++){
                   kk1= kk1+tabpop[(int)(agedeb)][j][cptcod]; 
                 }
                 tabpopprev[(int)(agedeb)][i][cptcod]=tabpop[(int)(agedeb)][i][cptcod]/kk1*popeffectif[(int)(agedeb+(calagedatem+12*cpt)*hstepm/YEARM*stepm-1)];
               }
               
               if (h==(int)(calagedatem+12*cpt))
                 for(j=1; j<=nlstate;j++) 
                   fprintf(ficrespop," %15.2f",tabpopprev[(int)(agedeb+1)][j][cptcod]);
             }
             free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
           }
         }
         
         /******/
         
         for (cpt=1; cpt<=(anpyram1-anpyram);cpt++) { 
           fprintf(ficrespop,"\n\n# Forecasting at date %.lf/%.lf/%.lf ",jpyram,mpyram,anpyram+cpt);   
           for (agedeb=(fage-((int)calagedatem %12/12.)); agedeb>=(ageminpar-((int)calagedatem %12)/12.); agedeb--){ 
             nhstepm=(int) rint((agelim-agedeb)*YEARM/stepm); 
             nhstepm = nhstepm/hstepm; 
             
             p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
             oldm=oldms;savm=savms;
             hpxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);  
             for (h=0; h<=nhstepm; h++){
               if (h==(int) (calagedatem+YEARM*cpt)) {
                 fprintf(ficresf,"\n %3.f ",agedeb+h*hstepm/YEARM*stepm);
               } 
               for(j=1; j<=nlstate+ndeath;j++) {
                 kk1=0.;kk2=0;
                 for(i=1; i<=nlstate;i++) {              
                   kk1=kk1+p3mat[i][j][h]*tabpopprev[(int)agedeb+1][i][cptcod];    
                 }
                 if (h==(int)(calagedatem+12*cpt)) fprintf(ficresf," %15.2f", kk1);        
               }
             }
             free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
           }
         }
       } 
     }
     
     /* if (mobilav!=0) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX); */
     
     if (popforecast==1) {
       free_ivector(popage,0,AGESUP);
       free_vector(popeffectif,0,AGESUP);
       free_vector(popcount,0,AGESUP);
     }
     free_ma3x(tabpop,1, AGESUP,1,NCOVMAX, 1,NCOVMAX);
     free_ma3x(tabpopprev,1, AGESUP,1,NCOVMAX, 1,NCOVMAX);
     fclose(ficrespop);
   } /* End of popforecast */
    
   int fileappend(FILE *fichier, char *optionfich)
   {
     if((fichier=fopen(optionfich,"a"))==NULL) {
       printf("Problem with file: %s\n", optionfich);
       fprintf(ficlog,"Problem with file: %s\n", optionfich);
       return (0);
     }
     fflush(fichier);
     return (1);
   }
   
   
   /**************** function prwizard **********************/
   void prwizard(int ncovmodel, int nlstate, int ndeath,  char model[], FILE *ficparo)
   {
   
     /* Wizard to print covariance matrix template */
   
     char ca[32], cb[32];
     int i,j, k, li, lj, lk, ll, jj, npar, itimes;
     int numlinepar;
   
     printf("# Parameters nlstate*nlstate*ncov a12*1 + b12 * age + ...\n");
     fprintf(ficparo,"# Parameters nlstate*nlstate*ncov a12*1 + b12 * age + ...\n");
     for(i=1; i <=nlstate; i++){
       jj=0;
       for(j=1; j <=nlstate+ndeath; j++){
         if(j==i) continue;
         jj++;
         /*ca[0]= k+'a'-1;ca[1]='\0';*/
         printf("%1d%1d",i,j);
         fprintf(ficparo,"%1d%1d",i,j);
         for(k=1; k<=ncovmodel;k++){
           /*        printf(" %lf",param[i][j][k]); */
           /*        fprintf(ficparo," %lf",param[i][j][k]); */
           printf(" 0.");
           fprintf(ficparo," 0.");
         }
         printf("\n");
         fprintf(ficparo,"\n");
       }
     }
     printf("# Scales (for hessian or gradient estimation)\n");
     fprintf(ficparo,"# Scales (for hessian or gradient estimation)\n");
     npar= (nlstate+ndeath-1)*nlstate*ncovmodel; /* Number of parameters*/ 
     for(i=1; i <=nlstate; i++){
       jj=0;
       for(j=1; j <=nlstate+ndeath; j++){
         if(j==i) continue;
         jj++;
         fprintf(ficparo,"%1d%1d",i,j);
         printf("%1d%1d",i,j);
         fflush(stdout);
         for(k=1; k<=ncovmodel;k++){
           /*      printf(" %le",delti3[i][j][k]); */
           /*      fprintf(ficparo," %le",delti3[i][j][k]); */
           printf(" 0.");
           fprintf(ficparo," 0.");
         }
         numlinepar++;
         printf("\n");
         fprintf(ficparo,"\n");
       }
     }
     printf("# Covariance matrix\n");
   /* # 121 Var(a12)\n\ */
   /* # 122 Cov(b12,a12) Var(b12)\n\ */
   /* # 131 Cov(a13,a12) Cov(a13,b12, Var(a13)\n\ */
   /* # 132 Cov(b13,a12) Cov(b13,b12, Cov(b13,a13) Var(b13)\n\ */
   /* # 212 Cov(a21,a12) Cov(a21,b12, Cov(a21,a13) Cov(a21,b13) Var(a21)\n\ */
   /* # 212 Cov(b21,a12) Cov(b21,b12, Cov(b21,a13) Cov(b21,b13) Cov(b21,a21) Var(b21)\n\ */
   /* # 232 Cov(a23,a12) Cov(a23,b12, Cov(a23,a13) Cov(a23,b13) Cov(a23,a21) Cov(a23,b21) Var(a23)\n\ */
   /* # 232 Cov(b23,a12) Cov(b23,b12) ... Var (b23)\n" */
     fflush(stdout);
     fprintf(ficparo,"# Covariance matrix\n");
     /* # 121 Var(a12)\n\ */
     /* # 122 Cov(b12,a12) Var(b12)\n\ */
     /* #   ...\n\ */
     /* # 232 Cov(b23,a12)  Cov(b23,b12) ... Var (b23)\n" */
     
     for(itimes=1;itimes<=2;itimes++){
       jj=0;
       for(i=1; i <=nlstate; i++){
         for(j=1; j <=nlstate+ndeath; j++){
           if(j==i) continue;
           for(k=1; k<=ncovmodel;k++){
             jj++;
             ca[0]= k+'a'-1;ca[1]='\0';
             if(itimes==1){
               printf("#%1d%1d%d",i,j,k);
               fprintf(ficparo,"#%1d%1d%d",i,j,k);
             }else{
               printf("%1d%1d%d",i,j,k);
               fprintf(ficparo,"%1d%1d%d",i,j,k);
               /*  printf(" %.5le",matcov[i][j]); */
             }
             ll=0;
             for(li=1;li <=nlstate; li++){
               for(lj=1;lj <=nlstate+ndeath; lj++){
                 if(lj==li) continue;
                 for(lk=1;lk<=ncovmodel;lk++){
                   ll++;
                   if(ll<=jj){
                     cb[0]= lk +'a'-1;cb[1]='\0';
                     if(ll<jj){
                       if(itimes==1){
                         printf(" Cov(%s%1d%1d,%s%1d%1d)",ca,i,j,cb, li,lj);
                         fprintf(ficparo," Cov(%s%1d%1d,%s%1d%1d)",ca,i,j,cb, li,lj);
                       }else{
                         printf(" 0.");
                         fprintf(ficparo," 0.");
                       }
                     }else{
                       if(itimes==1){
                         printf(" Var(%s%1d%1d)",ca,i,j);
                         fprintf(ficparo," Var(%s%1d%1d)",ca,i,j);
                       }else{
                         printf(" 0.");
                         fprintf(ficparo," 0.");
                       }
                     }
                   }
                 } /* end lk */
               } /* end lj */
             } /* end li */
             printf("\n");
             fprintf(ficparo,"\n");
             numlinepar++;
           } /* end k*/
         } /*end j */
       } /* end i */
     } /* end itimes */
   
   } /* end of prwizard */
   /******************* Gompertz Likelihood ******************************/
   double gompertz(double x[])
   { 
     double A,B,L=0.0,sump=0.,num=0.;
     int i,n=0; /* n is the size of the sample */
   
     for (i=0;i<=imx-1 ; i++) {
       sump=sump+weight[i];
       /*    sump=sump+1;*/
       num=num+1;
     }
    
    
     /* for (i=0; i<=imx; i++) 
        if (wav[i]>0) printf("i=%d ageex=%lf agecens=%lf agedc=%lf cens=%d %d\n" ,i,ageexmed[i],agecens[i],agedc[i],cens[i],wav[i]);*/
   
     for (i=1;i<=imx ; i++)
       {
         if (cens[i] == 1 && wav[i]>1)
           A=-x[1]/(x[2])*(exp(x[2]*(agecens[i]-agegomp))-exp(x[2]*(ageexmed[i]-agegomp)));
         
         if (cens[i] == 0 && wav[i]>1)
           A=-x[1]/(x[2])*(exp(x[2]*(agedc[i]-agegomp))-exp(x[2]*(ageexmed[i]-agegomp)))
                +log(x[1]/YEARM)+x[2]*(agedc[i]-agegomp)+log(YEARM);  
         
         /*if (wav[i] > 1 && agecens[i] > 15) {*/ /* ??? */
         if (wav[i] > 1 ) { /* ??? */
           L=L+A*weight[i];
           /*      printf("\ni=%d A=%f L=%lf x[1]=%lf x[2]=%lf ageex=%lf agecens=%lf cens=%d agedc=%lf weight=%lf\n",i,A,L,x[1],x[2],ageexmed[i]*12,agecens[i]*12,cens[i],agedc[i]*12,weight[i]);*/
         }
       }
   
    /*printf("x1=%2.9f x2=%2.9f x3=%2.9f L=%f\n",x[1],x[2],x[3],L);*/
    
     return -2*L*num/sump;
   }
   
   #ifdef GSL
   /******************* Gompertz_f Likelihood ******************************/
   double gompertz_f(const gsl_vector *v, void *params)
   { 
     double A,B,LL=0.0,sump=0.,num=0.;
     double *x= (double *) v->data;
     int i,n=0; /* n is the size of the sample */
   
     for (i=0;i<=imx-1 ; i++) {
       sump=sump+weight[i];
       /*    sump=sump+1;*/
       num=num+1;
     }
    
    
     /* for (i=0; i<=imx; i++) 
        if (wav[i]>0) printf("i=%d ageex=%lf agecens=%lf agedc=%lf cens=%d %d\n" ,i,ageexmed[i],agecens[i],agedc[i],cens[i],wav[i]);*/
     printf("x[0]=%lf x[1]=%lf\n",x[0],x[1]);
     for (i=1;i<=imx ; i++)
       {
         if (cens[i] == 1 && wav[i]>1)
           A=-x[0]/(x[1])*(exp(x[1]*(agecens[i]-agegomp))-exp(x[1]*(ageexmed[i]-agegomp)));
         
         if (cens[i] == 0 && wav[i]>1)
           A=-x[0]/(x[1])*(exp(x[1]*(agedc[i]-agegomp))-exp(x[1]*(ageexmed[i]-agegomp)))
                +log(x[0]/YEARM)+x[1]*(agedc[i]-agegomp)+log(YEARM);  
         
         /*if (wav[i] > 1 && agecens[i] > 15) {*/ /* ??? */
         if (wav[i] > 1 ) { /* ??? */
           LL=LL+A*weight[i];
           /*      printf("\ni=%d A=%f L=%lf x[1]=%lf x[2]=%lf ageex=%lf agecens=%lf cens=%d agedc=%lf weight=%lf\n",i,A,L,x[1],x[2],ageexmed[i]*12,agecens[i]*12,cens[i],agedc[i]*12,weight[i]);*/
         }
       }
   
    /*printf("x1=%2.9f x2=%2.9f x3=%2.9f L=%f\n",x[1],x[2],x[3],L);*/
     printf("x[0]=%lf x[1]=%lf -2*LL*num/sump=%lf\n",x[0],x[1],-2*LL*num/sump);
    
     return -2*LL*num/sump;
   }
   #endif
   
   /******************* Printing html file ***********/
   void printinghtmlmort(char fileresu[], char title[], char datafile[], int firstpass, \
                     int lastpass, int stepm, int weightopt, char model[],\
                     int imx,  double p[],double **matcov,double agemortsup){
     int i,k;
   
     fprintf(fichtm,"<ul><li><h4>Result files </h4>\n Force of mortality. Parameters of the Gompertz fit (with confidence interval in brackets):<br>");
     fprintf(fichtm,"  mu(age) =%lf*exp(%lf*(age-%d)) per year<br><br>",p[1],p[2],agegomp);
     for (i=1;i<=2;i++) 
       fprintf(fichtm," p[%d] = %lf [%f ; %f]<br>\n",i,p[i],p[i]-2*sqrt(matcov[i][i]),p[i]+2*sqrt(matcov[i][i]));
     fprintf(fichtm,"<br><br><img src=\"graphmort.svg\">");
     fprintf(fichtm,"</ul>");
   
   fprintf(fichtm,"<ul><li><h4>Life table</h4>\n <br>");
   
    fprintf(fichtm,"\nAge   l<inf>x</inf>     q<inf>x</inf> d(x,x+1)    L<inf>x</inf>     T<inf>x</inf>     e<infx</inf><br>");
   
    for (k=agegomp;k<(agemortsup-2);k++) 
      fprintf(fichtm,"%d %.0lf %lf %.0lf %.0lf %.0lf %lf<br>\n",k,lsurv[k],p[1]*exp(p[2]*(k-agegomp)),(p[1]*exp(p[2]*(k-agegomp)))*lsurv[k],lpop[k],tpop[k],tpop[k]/lsurv[k]);
   
    
     fflush(fichtm);
   }
   
   /******************* Gnuplot file **************/
   void printinggnuplotmort(char fileresu[], char optionfilefiname[], double ageminpar, double agemaxpar, double fage , char pathc[], double p[]){
   
     char dirfileres[132],optfileres[132];
   
     int ng;
   
   
     /*#ifdef windows */
     fprintf(ficgp,"cd \"%s\" \n",pathc);
       /*#endif */
   
   
     strcpy(dirfileres,optionfilefiname);
     strcpy(optfileres,"vpl");
     fprintf(ficgp,"set out \"graphmort.svg\"\n "); 
     fprintf(ficgp,"set xlabel \"Age\"\n set ylabel \"Force of mortality (per year)\" \n "); 
     fprintf(ficgp, "set ter svg size 640, 480\n set log y\n"); 
     /* fprintf(ficgp, "set size 0.65,0.65\n"); */
     fprintf(ficgp,"plot [%d:100] %lf*exp(%lf*(x-%d))",agegomp,p[1],p[2],agegomp);
   
   } 
   
   int readdata(char datafile[], int firstobs, int lastobs, int *imax)
   {
   
     /*-------- data file ----------*/
     FILE *fic;
     char dummy[]="                         ";
     int i=0, j=0, n=0;
     int linei, month, year,iout;
     char line[MAXLINE], linetmp[MAXLINE];
     char stra[MAXLINE], strb[MAXLINE];
     char *stratrunc;
     int lstra;
   
   
     if((fic=fopen(datafile,"r"))==NULL)    {
       printf("Problem while opening datafile: %s with errno='%s'\n", datafile,strerror(errno));fflush(stdout);
       fprintf(ficlog,"Problem while opening datafile: %s with errno='%s'\n", datafile,strerror(errno));fflush(ficlog);return 1;
     }
   
     i=1;
     linei=0;
     while ((fgets(line, MAXLINE, fic) != NULL) &&((i >= firstobs) && (i <=lastobs))) {
       linei=linei+1;
       for(j=strlen(line); j>=0;j--){  /* Untabifies line */
         if(line[j] == '\t')
           line[j] = ' ';
       }
       for(j=strlen(line)-1; (line[j]==' ')||(line[j]==10)||(line[j]==13);j--){
         ;
       };
       line[j+1]=0;  /* Trims blanks at end of line */
       if(line[0]=='#'){
         fprintf(ficlog,"Comment line\n%s\n",line);
         printf("Comment line\n%s\n",line);
         continue;
       }
       trimbb(linetmp,line); /* Trims multiple blanks in line */
       strcpy(line, linetmp);
     
   
       for (j=maxwav;j>=1;j--){
         cutv(stra, strb, line, ' '); 
         if(strb[0]=='.') { /* Missing status */
           lval=-1;
         }else{
           errno=0;
           lval=strtol(strb,&endptr,10); 
         /*        if (errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN))*/
           if( strb[0]=='\0' || (*endptr != '\0')){
             printf("Error reading data around '%s' at line number %d for individual %d, '%s'\nShould be a status of wave %d. Setting maxwav=%d might be wrong.  Exiting.\n", strb, linei,i,line,j,maxwav);
             fprintf(ficlog,"Error reading data around '%s' at line number %d for individual %d, '%s'\nShould be a status of wave %d. Setting maxwav=%d might be wrong.  Exiting.\n", strb, linei,i,line,j,maxwav);fflush(ficlog);
             return 1;
           }
         }
         s[j][i]=lval;
         
         strcpy(line,stra);
         cutv(stra, strb,line,' ');
         if( (iout=sscanf(strb,"%d/%d",&month, &year)) != 0){
         }
         else  if( (iout=sscanf(strb,"%s.",dummy)) != 0){
           month=99;
           year=9999;
         }else{
           printf("Error reading data around '%s' at line number %d for individual %d, '%s'\nShould be a date of interview (mm/yyyy or .) at wave %d.  Exiting.\n",strb, linei,i, line,j);
           fprintf(ficlog,"Error reading data around '%s' at line number %d for individual %d, '%s'\nShould be a date of interview (mm/yyyy or .) at wave %d.  Exiting.\n",strb, linei,i, line,j);fflush(ficlog);
           return 1;
         }
         anint[j][i]= (double) year; 
         mint[j][i]= (double)month; 
         strcpy(line,stra);
       } /* ENd Waves */
       
       cutv(stra, strb,line,' '); 
       if( (iout=sscanf(strb,"%d/%d",&month, &year)) != 0){
       }
       else  if( (iout=sscanf(strb,"%s.",dummy)) != 0){
         month=99;
         year=9999;
       }else{
         printf("Error reading data around '%s' at line number %d for individual %d, '%s'\nShould be a date of death (mm/yyyy or .).  Exiting.\n",strb, linei,i,line);
           fprintf(ficlog,"Error reading data around '%s' at line number %d for individual %d, '%s'\nShould be a date of death (mm/yyyy or .).  Exiting.\n",strb, linei,i,line);fflush(ficlog);
           return 1;
       }
       andc[i]=(double) year; 
       moisdc[i]=(double) month; 
       strcpy(line,stra);
       
       cutv(stra, strb,line,' '); 
       if( (iout=sscanf(strb,"%d/%d",&month, &year)) != 0){
       }
       else  if( (iout=sscanf(strb,"%s.", dummy)) != 0){
         month=99;
         year=9999;
       }else{
         printf("Error reading data around '%s' at line number %d for individual %d, '%s'\nShould be a date of birth (mm/yyyy or .).  Exiting.\n",strb, linei,i,line);
         fprintf(ficlog,"Error reading data around '%s' at line number %d for individual %d, '%s'\nShould be a date of birth (mm/yyyy or .).  Exiting.\n",strb, linei,i,line);fflush(ficlog);
           return 1;
       }
       if (year==9999) {
         printf("Error reading data around '%s' at line number %d for individual %d, '%s'\nShould be a date of birth (mm/yyyy) but at least the year of birth should be given.  Exiting.\n",strb, linei,i,line);
         fprintf(ficlog,"Error reading data around '%s' at line number %d for individual %d, '%s'\nShould be a date of birth (mm/yyyy) but at least the year of birth should be given. Exiting.\n",strb, linei,i,line);fflush(ficlog);
           return 1;
   
       }
       annais[i]=(double)(year);
       moisnais[i]=(double)(month); 
       strcpy(line,stra);
       
       cutv(stra, strb,line,' '); 
       errno=0;
       dval=strtod(strb,&endptr); 
       if( strb[0]=='\0' || (*endptr != '\0')){
         printf("Error reading data around '%f' at line number %d, \"%s\" for individual %d\nShould be a weight.  Exiting.\n",dval, i,line,linei);
         fprintf(ficlog,"Error reading data around '%f' at line number %d, \"%s\" for individual %d\nShould be a weight.  Exiting.\n",dval, i,line,linei);
         fflush(ficlog);
         return 1;
       }
       weight[i]=dval; 
       strcpy(line,stra);
       
       for (j=ncovcol;j>=1;j--){
         cutv(stra, strb,line,' '); 
         if(strb[0]=='.') { /* Missing status */
           lval=-1;
         }else{
           errno=0;
           lval=strtol(strb,&endptr,10); 
           if( strb[0]=='\0' || (*endptr != '\0')){
             printf("Error reading data around '%ld' at line number %d for individual %d, '%s'\nShould be a covariate value (=0 for the reference or 1 for alternative).  Exiting.\n",lval, linei,i, line);
             fprintf(ficlog,"Error reading data around '%ld' at line number %d for individual %d, '%s'\nShould be a covariate value (=0 for the reference or 1 for alternative).  Exiting.\n",lval, linei,i, line);fflush(ficlog);
             return 1;
           }
         }
         if(lval <-1 || lval >1){
           printf("Error reading data around '%ld' at line number %d for individual %d, '%s'\n \
    Should be a value of %d(nth) covariate (0 should be the value for the reference and 1\n \
    for the alternative. IMaCh does not build design variables automatically, do it yourself.\n \
    For example, for multinomial values like 1, 2 and 3,\n \
    build V1=0 V2=0 for the reference value (1),\n \
           V1=1 V2=0 for (2) \n \
    and V1=0 V2=1 for (3). V1=1 V2=1 should not exist and the corresponding\n \
    output of IMaCh is often meaningless.\n \
    Exiting.\n",lval,linei, i,line,j);
           fprintf(ficlog,"Error reading data around '%ld' at line number %d for individual %d, '%s'\n \
    Should be a value of %d(nth) covariate (0 should be the value for the reference and 1\n \
    for the alternative. IMaCh does not build design variables automatically, do it yourself.\n \
    For example, for multinomial values like 1, 2 and 3,\n \
    build V1=0 V2=0 for the reference value (1),\n \
           V1=1 V2=0 for (2) \n \
    and V1=0 V2=1 for (3). V1=1 V2=1 should not exist and the corresponding\n \
    output of IMaCh is often meaningless.\n \
    Exiting.\n",lval,linei, i,line,j);fflush(ficlog);
           return 1;
         }
         covar[j][i]=(double)(lval);
         strcpy(line,stra);
       }  
       lstra=strlen(stra);
        
       if(lstra > 9){ /* More than 2**32 or max of what printf can write with %ld */
         stratrunc = &(stra[lstra-9]);
         num[i]=atol(stratrunc);
       }
       else
         num[i]=atol(stra);
       /*if((s[2][i]==2) && (s[3][i]==-1)&&(s[4][i]==9)){
         printf("%ld %.lf %.lf %.lf %.lf/%.lf %.lf/%.lf %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d\n",num[i],(covar[1][i]), (covar[2][i]),weight[i], (moisnais[i]), (annais[i]), (moisdc[i]), (andc[i]), (mint[1][i]), (anint[1][i]), (s[1][i]),  (mint[2][i]), (anint[2][i]), (s[2][i]),  (mint[3][i]), (anint[3][i]), (s[3][i]),  (mint[4][i]), (anint[4][i]), (s[4][i])); ij=ij+1;}*/
       
       i=i+1;
     } /* End loop reading  data */
   
     *imax=i-1; /* Number of individuals */
     fclose(fic);
    
     return (0);
     /* endread: */
       printf("Exiting readdata: ");
       fclose(fic);
       return (1);
   
   
   
   }
   void removespace(char *str) {
     char *p1 = str, *p2 = str;
     do
       while (*p2 == ' ')
         p2++;
     while (*p1++ == *p2++);
   }
   
   int decodemodel ( char model[], int lastobs) /**< This routine decode the model and returns:
      * Model  V1+V2+V3+V8+V7*V8+V5*V6+V8*age+V3*age+age*age
      * - nagesqr = 1 if age*age in the model, otherwise 0.
      * - cptcovt total number of covariates of the model nbocc(+)+1 = 8 excepting constant and age and age*age
      * - cptcovn or number of covariates k of the models excluding age*products =6 and age*age
      * - cptcovage number of covariates with age*products =2
      * - cptcovs number of simple covariates
      * - Tvar[k] is the id of the kth covariate Tvar[1]@12 {1, 2, 3, 8, 10, 11, 8, 3, 7, 8, 5, 6}, thus Tvar[5=V7*V8]=10
      *     which is a new column after the 9 (ncovcol) variables. 
      * - if k is a product Vn*Vm covar[k][i] is filled with correct values for each individual
      * - Tprod[l] gives the kth covariates of the product Vn*Vm l=1 to cptcovprod-cptcovage
      *    Tprod[1]@2 {5, 6}: position of first product V7*V8 is 5, and second V5*V6 is 6.
      * - Tvard[k]  p Tvard[1][1]@4 {7, 8, 5, 6} for V7*V8 and V5*V6 .
    */
   {
     int i, j, k, ks;
     int  j1, k1, k2;
     char modelsav[80];
     char stra[80], strb[80], strc[80], strd[80],stre[80];
     char *strpt;
   
     /*removespace(model);*/
     if (strlen(model) >1){ /* If there is at least 1 covariate */
       j=0, j1=0, k1=0, k2=-1, ks=0, cptcovn=0;
       if (strstr(model,"AGE") !=0){
         printf("Error. AGE must be in lower case 'age' model=1+age+%s. ",model);
         fprintf(ficlog,"Error. AGE must be in lower case model=1+age+%s. ",model);fflush(ficlog);
         return 1;
       }
       if (strstr(model,"v") !=0){
         printf("Error. 'v' must be in upper case 'V' model=%s ",model);
         fprintf(ficlog,"Error. 'v' must be in upper case model=%s ",model);fflush(ficlog);
         return 1;
       }
       strcpy(modelsav,model); 
       if ((strpt=strstr(model,"age*age")) !=0){
         printf(" strpt=%s, model=%s\n",strpt, model);
         if(strpt != model){
         printf("Error in model: 'model=%s'; 'age*age' should in first place before other covariates\n \
    'model=1+age+age*age+V1.' or 'model=1+age+age*age+V1+V1*age.', please swap as well as \n \
    corresponding column of parameters.\n",model);
         fprintf(ficlog,"Error in model: 'model=%s'; 'age*age' should in first place before other covariates\n \
    'model=1+age+age*age+V1.' or 'model=1+age+age*age+V1+V1*age.', please swap as well as \n \
    corresponding column of parameters.\n",model); fflush(ficlog);
         return 1;
       }
   
         nagesqr=1;
         if (strstr(model,"+age*age") !=0)
           substrchaine(modelsav, model, "+age*age");
         else if (strstr(model,"age*age+") !=0)
           substrchaine(modelsav, model, "age*age+");
         else 
           substrchaine(modelsav, model, "age*age");
       }else
         nagesqr=0;
       if (strlen(modelsav) >1){
         j=nbocc(modelsav,'+'); /**< j=Number of '+' */
         j1=nbocc(modelsav,'*'); /**< j1=Number of '*' */
         cptcovs=j+1-j1; /**<  Number of simple covariates V1+V1*age+V3 +V3*V4+age*age=> V1 + V3 =2  */
         cptcovt= j+1; /* Number of total covariates in the model, not including
                      * cst, age and age*age 
                      * V1+V1*age+ V3 + V3*V4+age*age=> 4*/
                     /* including age products which are counted in cptcovage.
                     * but the covariates which are products must be treated 
                     * separately: ncovn=4- 2=2 (V1+V3). */
         cptcovprod=j1; /**< Number of products  V1*V2 +v3*age = 2 */
         cptcovprodnoage=0; /**< Number of covariate products without age: V3*V4 =1  */
   
       
         /*   Design
          *  V1   V2   V3   V4  V5  V6  V7  V8  V9 Weight
          *  <          ncovcol=8                >
          * Model V2 + V1 + V3*age + V3 + V5*V6 + V7*V8 + V8*age + V8
          *   k=  1    2      3       4     5       6      7        8
          *  cptcovn number of covariates (not including constant and age ) = # of + plus 1 = 7+1=8
          *  covar[k,i], value of kth covariate if not including age for individual i:
          *       covar[1][i]= (V2), covar[4][i]=(V3), covar[8][i]=(V8)
          *  Tvar[k] # of the kth covariate:  Tvar[1]=2  Tvar[4]=3 Tvar[8]=8
          *       if multiplied by age: V3*age Tvar[3=V3*age]=3 (V3) Tvar[7]=8 and 
          *  Tage[++cptcovage]=k
          *       if products, new covar are created after ncovcol with k1
          *  Tvar[k]=ncovcol+k1; # of the kth covariate product:  Tvar[5]=ncovcol+1=10  Tvar[6]=ncovcol+1=11
          *  Tprod[k1]=k; Tprod[1]=5 Tprod[2]= 6; gives the position of the k1th product
          *  Tvard[k1][1]=m Tvard[k1][2]=m; Tvard[1][1]=5 (V5) Tvard[1][2]=6 Tvard[2][1]=7 (V7) Tvard[2][2]=8
          *  Tvar[cptcovn+k2]=Tvard[k1][1];Tvar[cptcovn+k2+1]=Tvard[k1][2];
          *  Tvar[8+1]=5;Tvar[8+2]=6;Tvar[8+3]=7;Tvar[8+4]=8 inverted
          *  V1   V2   V3   V4  V5  V6  V7  V8  V9  V10  V11
          *  <          ncovcol=8                >
          *       Model V2 + V1 + V3*age + V3 + V5*V6 + V7*V8 + V8*age + V8    d1   d1   d2  d2
          *          k=  1    2      3       4     5       6      7        8    9   10   11  12
          *     Tvar[k]= 2    1      3       3    10      11      8        8    5    6    7   8
          * p Tvar[1]@12={2,   1,     3,      3,   11,     10,     8,       8,   7,   8,   5,  6}
          * p Tprod[1]@2={                         6, 5}
          *p Tvard[1][1]@4= {7, 8, 5, 6}
          * covar[k][i]= V2   V1      ?      V3    V5*V6?   V7*V8?  ?       V8   
          *  cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
          *How to reorganize?
          * Model V1 + V2 + V3 + V8 + V5*V6 + V7*V8 + V3*age + V8*age
          * Tvars {2,   1,     3,      3,   11,     10,     8,       8,   7,   8,   5,  6}
          *       {2,   1,     4,      8,    5,      6,     3,       7}
          * Struct []
          */
   
         /* This loop fills the array Tvar from the string 'model'.*/
         /* j is the number of + signs in the model V1+V2+V3 j=2 i=3 to 1 */
         /*   modelsav=V2+V1+V4+age*V3 strb=age*V3 stra=V2+V1+V4  */
         /*        k=4 (age*V3) Tvar[k=4]= 3 (from V3) Tage[cptcovage=1]=4 */
         /*        k=3 V4 Tvar[k=3]= 4 (from V4) */
         /*        k=2 V1 Tvar[k=2]= 1 (from V1) */
         /*        k=1 Tvar[1]=2 (from V2) */
         /*        k=5 Tvar[5] */
         /* for (k=1; k<=cptcovn;k++) { */
         /*        cov[2+k]=nbcode[Tvar[k]][codtabm(ij,Tvar[k])]; */
         /*        } */
         /* for (k=1; k<=cptcovage;k++) cov[2+Tage[k]]=nbcode[Tvar[Tage[k]]][codtabm(ij,Tvar[Tage[k])]]*cov[2]; */
         /*
          * Treating invertedly V2+V1+V3*age+V2*V4 is as if written V2*V4 +V3*age + V1 + V2 */
         for(k=cptcovt; k>=1;k--) /**< Number of covariates */
           Tvar[k]=0;
         cptcovage=0;
         for(k=1; k<=cptcovt;k++){ /* Loop on total covariates of the model */
           cutl(stra,strb,modelsav,'+'); /* keeps in strb after the first '+' 
                                            modelsav==V2+V1+V4+V3*age strb=V3*age stra=V2+V1+V4 */ 
           if (nbocc(modelsav,'+')==0) strcpy(strb,modelsav); /* and analyzes it */
           /*      printf("i=%d a=%s b=%s sav=%s\n",i, stra,strb,modelsav);*/
           /*scanf("%d",i);*/
           if (strchr(strb,'*')) {  /**< Model includes a product V2+V1+V4+V3*age strb=V3*age */
             cutl(strc,strd,strb,'*'); /**< strd*strc  Vm*Vn: strb=V3*age(input) strc=age strd=V3 ; V3*V2 strc=V2, strd=V3 */
             if (strcmp(strc,"age")==0) { /**< Model includes age: Vn*age */
               /* covar is not filled and then is empty */
               cptcovprod--;
               cutl(stre,strb,strd,'V'); /* strd=V3(input): stre="3" */
               Tvar[k]=atoi(stre);  /* V2+V1+V4+V3*age Tvar[4]=3 ; V1+V2*age Tvar[2]=2; V1+V1*age Tvar[2]=1 */
               cptcovage++; /* Sums the number of covariates which include age as a product */
               Tage[cptcovage]=k;  /* Tvar[4]=3, Tage[1] = 4 or V1+V1*age Tvar[2]=1, Tage[1]=2 */
               /*printf("stre=%s ", stre);*/
             } else if (strcmp(strd,"age")==0) { /* or age*Vn */
               cptcovprod--;
               cutl(stre,strb,strc,'V');
               Tvar[k]=atoi(stre);
               cptcovage++;
               Tage[cptcovage]=k;
             } else {  /* Age is not in the model product V2+V1+V1*V4+V3*age+V3*V2  strb=V3*V2*/
               /* loops on k1=1 (V3*V2) and k1=2 V4*V3 */
               cptcovn++;
               cptcovprodnoage++;k1++;
               cutl(stre,strb,strc,'V'); /* strc= Vn, stre is n; strb=V3*V2 stre=3 strc=*/
               Tvar[k]=ncovcol+k1; /* For model-covariate k tells which data-covariate to use but
                                      because this model-covariate is a construction we invent a new column
                                      ncovcol + k1
                                      If already ncovcol=4 and model=V2+V1+V1*V4+age*V3+V3*V2
                                      Tvar[3=V1*V4]=4+1 Tvar[5=V3*V2]=4 + 2= 6, etc */
               cutl(strc,strb,strd,'V'); /* strd was Vm, strc is m */
               Tprod[k1]=k;  /* Tprod[1]=3(=V1*V4) for V2+V1+V1*V4+age*V3+V3*V2  */
               Tvard[k1][1] =atoi(strc); /* m 1 for V1*/
               Tvard[k1][2] =atoi(stre); /* n 4 for V4*/
               k2=k2+2;
               Tvar[cptcovt+k2]=Tvard[k1][1]; /* Tvar[(cptcovt=4+k2=1)=5]= 1 (V1) */
               Tvar[cptcovt+k2+1]=Tvard[k1][2];  /* Tvar[(cptcovt=4+(k2=1)+1)=6]= 4 (V4) */
               for (i=1; i<=lastobs;i++){
                 /* Computes the new covariate which is a product of
                    covar[n][i]* covar[m][i] and stores it at ncovol+k1 May not be defined */
                 covar[ncovcol+k1][i]=covar[atoi(stre)][i]*covar[atoi(strc)][i];
               }
             } /* End age is not in the model */
           } /* End if model includes a product */
           else { /* no more sum */
             /*printf("d=%s c=%s b=%s\n", strd,strc,strb);*/
             /*  scanf("%d",i);*/
             cutl(strd,strc,strb,'V');
             ks++; /**< Number of simple covariates */
             cptcovn++;
             Tvar[k]=atoi(strd);
           }
           strcpy(modelsav,stra);  /* modelsav=V2+V1+V4 stra=V2+V1+V4 */ 
           /*printf("a=%s b=%s sav=%s\n", stra,strb,modelsav);
             scanf("%d",i);*/
         } /* end of loop + on total covariates */
       } /* end if strlen(modelsave == 0) age*age might exist */
     } /* end if strlen(model == 0) */
     
     /*The number n of Vn is stored in Tvar. cptcovage =number of age covariate. Tage gives the position of age. cptcovprod= number of products.
       If model=V1+V1*age then Tvar[1]=1 Tvar[2]=1 cptcovage=1 Tage[1]=2 cptcovprod=0*/
   
     /* printf("tvar1=%d tvar2=%d tvar3=%d cptcovage=%d Tage=%d",Tvar[1],Tvar[2],Tvar[3],cptcovage,Tage[1]);
     printf("cptcovprod=%d ", cptcovprod);
     fprintf(ficlog,"cptcovprod=%d ", cptcovprod);
   
     scanf("%d ",i);*/
   
   
     return (0); /* with covar[new additional covariate if product] and Tage if age */ 
     /*endread:*/
       printf("Exiting decodemodel: ");
       return (1);
   }
   
   int calandcheckages(int imx, int maxwav, double *agemin, double *agemax, int *nberr, int *nbwarn )
   {
     int i, m;
     int firstone=0;
     
     for (i=1; i<=imx; i++) {
       for(m=2; (m<= maxwav); m++) {
         if (((int)mint[m][i]== 99) && (s[m][i] <= nlstate)){
           anint[m][i]=9999;
           if (s[m][i] != -2) /* Keeping initial status of unknown vital status */
             s[m][i]=-1;
         }
         if((int)moisdc[i]==99 && (int)andc[i]==9999 && s[m][i]>nlstate){
           *nberr = *nberr + 1;
           if(firstone == 0){
             firstone=1;
           printf("Error! Date of death (month %2d and year %4d) of individual %ld on line %d was unknown, you must set an arbitrary year of death or he/she is skipped and results can be biased (%d) because status is a death state %d at wave %d. Wave dropped.\nOther similar cases in log file\n",(int)moisdc[i],(int)andc[i],num[i],i, *nberr,s[m][i],m);
           }
           fprintf(ficlog,"Error! Date of death (month %2d and year %4d) of individual %ld on line %d was unknown, you must set an arbitrary year of death or he/she is skipped and results can be biased (%d) because status is a death state %d at wave %d. Wave dropped.\n",(int)moisdc[i],(int)andc[i],num[i],i, *nberr,s[m][i],m);
           s[m][i]=-1;
         }
         if((int)moisdc[i]==99 && (int)andc[i]!=9999 && s[m][i]>nlstate){
           (*nberr)++;
           printf("Error! Month of death of individual %ld on line %d was unknown %2d, you should set it otherwise the information on the death is skipped and results are biased.\n",num[i],i,(int)moisdc[i]); 
           fprintf(ficlog,"Error! Month of death of individual %ld on line %d was unknown %f, you should set it otherwise the information on the death is skipped and results are biased.\n",num[i],i,moisdc[i]); 
           s[m][i]=-1; /* We prefer to skip it (and to skip it in version 0.8a1 too */
         }
       }
     }
   
     for (i=1; i<=imx; i++)  {
       agedc[i]=(moisdc[i]/12.+andc[i])-(moisnais[i]/12.+annais[i]);
       for(m=firstpass; (m<= lastpass); m++){
         if(s[m][i] >0  || s[m][i]==-1 || s[m][i]==-2 || s[m][i]==-4 || s[m][i]==-5){ /* What if s[m][i]=-1 */
           if (s[m][i] >= nlstate+1) {
             if(agedc[i]>0){
               if((int)moisdc[i]!=99 && (int)andc[i]!=9999){
                 agev[m][i]=agedc[i];
                 /*if(moisdc[i]==99 && andc[i]==9999) s[m][i]=-1;*/
               }else {
                 if ((int)andc[i]!=9999){
                   nbwarn++;
                   printf("Warning negative age at death: %ld line:%d\n",num[i],i);
                   fprintf(ficlog,"Warning negative age at death: %ld line:%d\n",num[i],i);
                   agev[m][i]=-1;
                 }
               }
             } /* agedc > 0 */
           } /* end if */
           else if(s[m][i] !=9){ /* Standard case, age in fractional
                                    years but with the precision of a month */
             agev[m][i]=(mint[m][i]/12.+1./24.+anint[m][i])-(moisnais[i]/12.+1./24.+annais[i]);
             if((int)mint[m][i]==99 || (int)anint[m][i]==9999)
               agev[m][i]=1;
             else if(agev[m][i] < *agemin){ 
               *agemin=agev[m][i];
               printf(" Min anint[%d][%d]=%.2f annais[%d]=%.2f, agemin=%.2f\n",m,i,anint[m][i], i,annais[i], *agemin);
             }
             else if(agev[m][i] >*agemax){
               *agemax=agev[m][i];
               /* printf(" Max anint[%d][%d]=%.0f annais[%d]=%.0f, agemax=%.2f\n",m,i,anint[m][i], i,annais[i], *agemax);*/
             }
             /*agev[m][i]=anint[m][i]-annais[i];*/
             /*     agev[m][i] = age[i]+2*m;*/
           } /* en if 9*/
           else { /* =9 */
             /* printf("Debug num[%d]=%ld s[%d][%d]=%d\n",i,num[i], m,i, s[m][i]); */
             agev[m][i]=1;
             s[m][i]=-1;
           }
         }
         else if(s[m][i]==0) /*= 0 Unknown */
           agev[m][i]=1;
         else{
           printf("Warning, num[%d]=%ld, s[%d][%d]=%d\n", i, num[i], m, i,s[m][i]); 
           fprintf(ficlog, "Warning, num[%d]=%ld, s[%d][%d]=%d\n", i, num[i], m, i,s[m][i]); 
           agev[m][i]=0;
         }
       } /* End for lastpass */
     }
       
     for (i=1; i<=imx; i++)  {
       for(m=firstpass; (m<=lastpass); m++){
         if (s[m][i] > (nlstate+ndeath)) {
           (*nberr)++;
           printf("Error: on wave %d of individual %d status %d > (nlstate+ndeath)=(%d+%d)=%d\n",m,i,s[m][i],nlstate, ndeath, nlstate+ndeath);     
           fprintf(ficlog,"Error: on wave %d of individual %d status %d > (nlstate+ndeath)=(%d+%d)=%d\n",m,i,s[m][i],nlstate, ndeath, nlstate+ndeath);     
           return 1;
         }
       }
     }
   
     /*for (i=1; i<=imx; i++){
     for (m=firstpass; (m<lastpass); m++){
        printf("%ld %d %.lf %d %d\n", num[i],(covar[1][i]),agev[m][i],s[m][i],s[m+1][i]);
   }
   
   }*/
   
   
     printf("Total number of individuals= %d, Agemin = %.2f, Agemax= %.2f\n\n", imx, *agemin, *agemax);
     fprintf(ficlog,"Total number of individuals= %d, Agemin = %.2f, Agemax= %.2f\n\n", imx, *agemin, *agemax); 
   
     return (0);
    /* endread:*/
       printf("Exiting calandcheckages: ");
       return (1);
   }
   
   #if defined(_MSC_VER)
   /*printf("Visual C++ compiler: %s \n;", _MSC_FULL_VER);*/
   /*fprintf(ficlog, "Visual C++ compiler: %s \n;", _MSC_FULL_VER);*/
   //#include "stdafx.h"
   //#include <stdio.h>
   //#include <tchar.h>
   //#include <windows.h>
   //#include <iostream>
   typedef BOOL(WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
   
   LPFN_ISWOW64PROCESS fnIsWow64Process;
   
   BOOL IsWow64()
   {
           BOOL bIsWow64 = FALSE;
   
           //typedef BOOL (APIENTRY *LPFN_ISWOW64PROCESS)
           //  (HANDLE, PBOOL);
   
           //LPFN_ISWOW64PROCESS fnIsWow64Process;
   
           HMODULE module = GetModuleHandle(_T("kernel32"));
           const char funcName[] = "IsWow64Process";
           fnIsWow64Process = (LPFN_ISWOW64PROCESS)
                   GetProcAddress(module, funcName);
   
           if (NULL != fnIsWow64Process)
           {
                   if (!fnIsWow64Process(GetCurrentProcess(),
                           &bIsWow64))
                           //throw std::exception("Unknown error");
                           printf("Unknown error\n");
           }
           return bIsWow64 != FALSE;
   }
   #endif
   
   void syscompilerinfo(int logged)
    {
      /* #include "syscompilerinfo.h"*/
      /* command line Intel compiler 32bit windows, XP compatible:*/
      /* /GS /W3 /Gy
         /Zc:wchar_t /Zi /O2 /Fd"Release\vc120.pdb" /D "WIN32" /D "NDEBUG" /D
         "_CONSOLE" /D "_LIB" /D "_USING_V110_SDK71_" /D "_UNICODE" /D
         "UNICODE" /Qipo /Zc:forScope /Gd /Oi /MT /Fa"Release\" /EHsc /nologo
         /Fo"Release\" /Qprof-dir "Release\" /Fp"Release\IMaCh.pch"
      */ 
      /* 64 bits */
      /*
        /GS /W3 /Gy
        /Zc:wchar_t /Zi /O2 /Fd"x64\Release\vc120.pdb" /D "WIN32" /D "NDEBUG"
        /D "_CONSOLE" /D "_LIB" /D "_UNICODE" /D "UNICODE" /Qipo /Zc:forScope
        /Oi /MD /Fa"x64\Release\" /EHsc /nologo /Fo"x64\Release\" /Qprof-dir
        "x64\Release\" /Fp"x64\Release\IMaCh.pch" */
      /* Optimization are useless and O3 is slower than O2 */
      /*
        /GS /W3 /Gy /Zc:wchar_t /Zi /O3 /Fd"x64\Release\vc120.pdb" /D "WIN32" 
        /D "NDEBUG" /D "_CONSOLE" /D "_LIB" /D "_UNICODE" /D "UNICODE" /Qipo 
        /Zc:forScope /Oi /MD /Fa"x64\Release\" /EHsc /nologo /Qparallel 
        /Fo"x64\Release\" /Qprof-dir "x64\Release\" /Fp"x64\Release\IMaCh.pch" 
      */
      /* Link is */ /* /OUT:"visual studio
         2013\Projects\IMaCh\Release\IMaCh.exe" /MANIFEST /NXCOMPAT
         /PDB:"visual studio
         2013\Projects\IMaCh\Release\IMaCh.pdb" /DYNAMICBASE
         "kernel32.lib" "user32.lib" "gdi32.lib" "winspool.lib"
         "comdlg32.lib" "advapi32.lib" "shell32.lib" "ole32.lib"
         "oleaut32.lib" "uuid.lib" "odbc32.lib" "odbccp32.lib"
         /MACHINE:X86 /OPT:REF /SAFESEH /INCREMENTAL:NO
         /SUBSYSTEM:CONSOLE",5.01" /MANIFESTUAC:"level='asInvoker'
         uiAccess='false'"
         /ManifestFile:"Release\IMaCh.exe.intermediate.manifest" /OPT:ICF
         /NOLOGO /TLBID:1
      */
   #if defined __INTEL_COMPILER
   #if defined(__GNUC__)
           struct utsname sysInfo;  /* For Intel on Linux and OS/X */
   #endif
   #elif defined(__GNUC__) 
   #ifndef  __APPLE__
   #include <gnu/libc-version.h>  /* Only on gnu */
   #endif
      struct utsname sysInfo;
      int cross = CROSS;
      if (cross){
              printf("Cross-");
              if(logged) fprintf(ficlog, "Cross-");
      }
   #endif
   
   #include <stdint.h>
   
      printf("Compiled with:");if(logged)fprintf(ficlog,"Compiled with:");
   #if defined(__clang__)
      printf(" Clang/LLVM");if(logged)fprintf(ficlog," Clang/LLVM");       /* Clang/LLVM. ---------------------------------------------- */
   #endif
   #if defined(__ICC) || defined(__INTEL_COMPILER)
      printf(" Intel ICC/ICPC");if(logged)fprintf(ficlog," Intel ICC/ICPC");/* Intel ICC/ICPC. ------------------------------------------ */
   #endif
   #if defined(__GNUC__) || defined(__GNUG__)
      printf(" GNU GCC/G++");if(logged)fprintf(ficlog," GNU GCC/G++");/* GNU GCC/G++. --------------------------------------------- */
   #endif
   #if defined(__HP_cc) || defined(__HP_aCC)
      printf(" Hewlett-Packard C/aC++");if(logged)fprintf(fcilog," Hewlett-Packard C/aC++"); /* Hewlett-Packard C/aC++. ---------------------------------- */
   #endif
   #if defined(__IBMC__) || defined(__IBMCPP__)
      printf(" IBM XL C/C++"); if(logged) fprintf(ficlog," IBM XL C/C++");/* IBM XL C/C++. -------------------------------------------- */
   #endif
   #if defined(_MSC_VER)
      printf(" Microsoft Visual Studio");if(logged)fprintf(ficlog," Microsoft Visual Studio");/* Microsoft Visual Studio. --------------------------------- */
   #endif
   #if defined(__PGI)
      printf(" Portland Group PGCC/PGCPP");if(logged) fprintf(ficlog," Portland Group PGCC/PGCPP");/* Portland Group PGCC/PGCPP. ------------------------------- */
   #endif
   #if defined(__SUNPRO_C) || defined(__SUNPRO_CC)
      printf(" Oracle Solaris Studio");if(logged)fprintf(ficlog," Oracle Solaris Studio\n");/* Oracle Solaris Studio. ----------------------------------- */
   #endif
      printf(" for "); if (logged) fprintf(ficlog, " for ");
      
   // http://stackoverflow.com/questions/4605842/how-to-identify-platform-compiler-from-preprocessor-macros
   #ifdef _WIN32 // note the underscore: without it, it's not msdn official!
       // Windows (x64 and x86)
      printf("Windows (x64 and x86) ");if(logged) fprintf(ficlog,"Windows (x64 and x86) ");
   #elif __unix__ // all unices, not all compilers
       // Unix
      printf("Unix ");if(logged) fprintf(ficlog,"Unix ");
   #elif __linux__
       // linux
      printf("linux ");if(logged) fprintf(ficlog,"linux ");
   #elif __APPLE__
       // Mac OS, not sure if this is covered by __posix__ and/or __unix__ though..
      printf("Mac OS ");if(logged) fprintf(ficlog,"Mac OS ");
   #endif
   
   /*  __MINGW32__   */
   /*  __CYGWIN__   */
   /* __MINGW64__  */
   // http://msdn.microsoft.com/en-us/library/b0084kay.aspx
   /* _MSC_VER  //the Visual C++ compiler is 17.00.51106.1, the _MSC_VER macro evaluates to 1700. Type cl /?  */
   /* _MSC_FULL_VER //the Visual C++ compiler is 15.00.20706.01, the _MSC_FULL_VER macro evaluates to 150020706 */
   /* _WIN64  // Defined for applications for Win64. */
   /* _M_X64 // Defined for compilations that target x64 processors. */
   /* _DEBUG // Defined when you compile with /LDd, /MDd, and /MTd. */
   
   #if UINTPTR_MAX == 0xffffffff
      printf(" 32-bit"); if(logged) fprintf(ficlog," 32-bit");/* 32-bit */
   #elif UINTPTR_MAX == 0xffffffffffffffff
      printf(" 64-bit"); if(logged) fprintf(ficlog," 64-bit");/* 64-bit */
   #else
      printf(" wtf-bit"); if(logged) fprintf(ficlog," wtf-bit");/* wtf */
   #endif
   
   #if defined(__GNUC__)
   # if defined(__GNUC_PATCHLEVEL__)
   #  define __GNUC_VERSION__ (__GNUC__ * 10000 \
                               + __GNUC_MINOR__ * 100 \
                               + __GNUC_PATCHLEVEL__)
   # else
   #  define __GNUC_VERSION__ (__GNUC__ * 10000 \
                               + __GNUC_MINOR__ * 100)
   # endif
      printf(" using GNU C version %d.\n", __GNUC_VERSION__);
      if(logged) fprintf(ficlog, " using GNU C version %d.\n", __GNUC_VERSION__);
   
      if (uname(&sysInfo) != -1) {
        printf("Running on: %s %s %s %s %s\n",sysInfo.sysname, sysInfo.nodename, sysInfo.release, sysInfo.version, sysInfo.machine);
            if(logged) fprintf(ficlog,"Running on: %s %s %s %s %s\n ",sysInfo.sysname, sysInfo.nodename, sysInfo.release, sysInfo.version, sysInfo.machine);
      }
      else
         perror("uname() error");
      //#ifndef __INTEL_COMPILER 
   #if !defined (__INTEL_COMPILER) && !defined(__APPLE__)
      printf("GNU libc version: %s\n", gnu_get_libc_version()); 
      if(logged) fprintf(ficlog,"GNU libc version: %s\n", gnu_get_libc_version());
   #endif
   #endif
   
      //   void main()
      //   {
   #if defined(_MSC_VER)
      if (IsWow64()){
              printf("\nThe program (probably compiled for 32bit) is running under WOW64 (64bit) emulation.\n");
              if (logged) fprintf(ficlog, "\nThe program (probably compiled for 32bit) is running under WOW64 (64bit) emulation.\n");
      }
      else{
              printf("\nThe program is not running under WOW64 (i.e probably on a 64bit Windows).\n");
              if (logged) fprintf(ficlog, "\nThe programm is not running under WOW64 (i.e probably on a 64bit Windows).\n");
      }
      //      printf("\nPress Enter to continue...");
      //      getchar();
      //   }
   
   #endif
      
   
    }
   
    int prevalence_limit(double *p, double **prlim, double ageminpar, double agemaxpar, double ftolpl, int *ncvyearp){
     /*--------------- Prevalence limit  (period or stable prevalence) --------------*/
     int i, j, k, i1 ;
     /* double ftolpl = 1.e-10; */
     double age, agebase, agelim;
     double tot;
   
     strcpy(filerespl,"PL_");
     strcat(filerespl,fileresu);
     if((ficrespl=fopen(filerespl,"w"))==NULL) {
       printf("Problem with period (stable) prevalence resultfile: %s\n", filerespl);return 1;
       fprintf(ficlog,"Problem with period (stable) prevalence resultfile: %s\n", filerespl);return 1;
     }
     printf("Computing period (stable) prevalence: result on file '%s' \n", filerespl);
     fprintf(ficlog,"Computing period (stable) prevalence: result on file '%s' \n", filerespl);
     pstamp(ficrespl);
     fprintf(ficrespl,"# Period (stable) prevalence. Precision given by ftolpl=%g \n", ftolpl);
     fprintf(ficrespl,"#Age ");
     for(i=1; i<=nlstate;i++) fprintf(ficrespl,"%d-%d ",i,i);
     fprintf(ficrespl,"\n");
     
       /* prlim=matrix(1,nlstate,1,nlstate);*/ /* back in main */
   
       agebase=ageminpar;
       agelim=agemaxpar;
   
       i1=pow(2,cptcoveff);
       if (cptcovn < 1){i1=1;}
   
       for(cptcov=1,k=0;cptcov<=i1;cptcov++){
       /* for(cptcov=1,k=0;cptcov<=1;cptcov++){ */
         //for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){
           k=k+1;
           /* to clean */
           //printf("cptcov=%d cptcod=%d codtab=%d\n",cptcov, cptcod,codtabm(cptcod,cptcov));
           fprintf(ficrespl,"#******");
           printf("#******");
           fprintf(ficlog,"#******");
           for(j=1;j<=cptcoveff;j++) {
             fprintf(ficrespl," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
             printf(" V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
             fprintf(ficlog," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
           }
           fprintf(ficrespl,"******\n");
           printf("******\n");
           fprintf(ficlog,"******\n");
   
           fprintf(ficrespl,"#Age ");
           for(j=1;j<=cptcoveff;j++) {
             fprintf(ficrespl,"V%d %d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
           }
           for(i=1; i<=nlstate;i++) fprintf(ficrespl,"  %d-%d   ",i,i);
           fprintf(ficrespl,"Total Years_to_converge\n");
           
           for (age=agebase; age<=agelim; age++){
           /* for (age=agebase; age<=agebase; age++){ */
             prevalim(prlim, nlstate, p, age, oldm, savm, ftolpl, ncvyearp, k);
             fprintf(ficrespl,"%.0f ",age );
             for(j=1;j<=cptcoveff;j++)
               fprintf(ficrespl,"%d %d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
             tot=0.;
             for(i=1; i<=nlstate;i++){
               tot +=  prlim[i][i];
               fprintf(ficrespl," %.5f", prlim[i][i]);
             }
             fprintf(ficrespl," %.3f %d\n", tot, *ncvyearp);
           } /* Age */
           /* was end of cptcod */
       } /* cptcov */
           return 0;
   }
   
   int back_prevalence_limit(double *p, double **bprlim, double ageminpar, double agemaxpar, double ftolpl, int *ncvyearp, double dateprev1,double dateprev2, int firstpass, int lastpass, int mobilavproj){
           /*--------------- Back Prevalence limit  (period or stable prevalence) --------------*/
           
           /* Computes the back prevalence limit  for any combination      of covariate values 
      * at any age between ageminpar and agemaxpar
            */
     int i, j, k, i1 ;
     /* double ftolpl = 1.e-10; */
     double age, agebase, agelim;
     double tot;
     /* double ***mobaverage; */
     /* double      **dnewm, **doldm, **dsavm;  /\* for use *\/ */
   
     strcpy(fileresplb,"PLB_");
     strcat(fileresplb,fileresu);
     if((ficresplb=fopen(fileresplb,"w"))==NULL) {
       printf("Problem with period (stable) back prevalence resultfile: %s\n", fileresplb);return 1;
       fprintf(ficlog,"Problem with period (stable) back prevalence resultfile: %s\n", fileresplb);return 1;
     }
     printf("Computing period (stable) back prevalence: result on file '%s' \n", fileresplb);
     fprintf(ficlog,"Computing period (stable) back prevalence: result on file '%s' \n", fileresplb);
     pstamp(ficresplb);
     fprintf(ficresplb,"# Period (stable) back prevalence. Precision given by ftolpl=%g \n", ftolpl);
     fprintf(ficresplb,"#Age ");
     for(i=1; i<=nlstate;i++) fprintf(ficresplb,"%d-%d ",i,i);
     fprintf(ficresplb,"\n");
     
     
     /* prlim=matrix(1,nlstate,1,nlstate);*/ /* back in main */
     
     agebase=ageminpar;
     agelim=agemaxpar;
     
     
     i1=pow(2,cptcoveff);
     if (cptcovn < 1){i1=1;}
     
     for(cptcov=1,k=0;cptcov<=i1;cptcov++){
       /* for(cptcov=1,k=0;cptcov<=1;cptcov++){ */
       //for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){
       k=k+1;
       /* to clean */
       //printf("cptcov=%d cptcod=%d codtab=%d\n",cptcov, cptcod,codtabm(cptcod,cptcov));
       fprintf(ficresplb,"#******");
       printf("#******");
       fprintf(ficlog,"#******");
       for(j=1;j<=cptcoveff;j++) {
         fprintf(ficresplb," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
         printf(" V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
         fprintf(ficlog," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
       }
       fprintf(ficresplb,"******\n");
       printf("******\n");
       fprintf(ficlog,"******\n");
       
       fprintf(ficresplb,"#Age ");
       for(j=1;j<=cptcoveff;j++) {
         fprintf(ficresplb,"V%d %d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
       }
       for(i=1; i<=nlstate;i++) fprintf(ficresplb,"  %d-%d   ",i,i);
       fprintf(ficresplb,"Total Years_to_converge\n");
       
       
       for (age=agebase; age<=agelim; age++){
         /* for (age=agebase; age<=agebase; age++){ */
         if(mobilavproj > 0){
           /* bprevalim(bprlim, mobaverage, nlstate, p, age, ageminpar, agemaxpar, oldm, savm, doldm, dsavm, ftolpl, ncvyearp, k); */
           /* bprevalim(bprlim, mobaverage, nlstate, p, age, oldm, savm, dnewm, doldm, dsavm, ftolpl, ncvyearp, k); */
           bprevalim(bprlim, mobaverage, nlstate, p, age, ftolpl, ncvyearp, k);
         }else if (mobilavproj == 0){
           printf("There is no chance to get back prevalence limit if data aren't non zero and summing to 1, please try a non null mobil_average(=%d) parameter or mobil_average=-1 if you want to try at your own risk.\n",mobilavproj);
           fprintf(ficlog,"There is no chance to get back prevalence limit if data aren't non zero and summing to 1, please try a non null mobil_average(=%d) parameter or mobil_average=-1 if you want to try at your own risk.\n",mobilavproj);
           exit(1);
         }else{
           /* bprevalim(bprlim, probs, nlstate, p, age, oldm, savm, dnewm, doldm, dsavm, ftolpl, ncvyearp, k); */
           bprevalim(bprlim, probs, nlstate, p, age, ftolpl, ncvyearp, k);
         }
         fprintf(ficresplb,"%.0f ",age );
         for(j=1;j<=cptcoveff;j++)
           fprintf(ficresplb,"%d %d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
         tot=0.;
         for(i=1; i<=nlstate;i++){
           tot +=  bprlim[i][i];
           fprintf(ficresplb," %.5f", bprlim[i][i]);
         }
         fprintf(ficresplb," %.3f %d\n", tot, *ncvyearp);
       } /* Age */
       /* was end of cptcod */
     } /* cptcov */
     
     /* hBijx(p, bage, fage); */
     /* fclose(ficrespijb); */
     
     return 0;
   }
    
   int hPijx(double *p, int bage, int fage){
       /*------------- h Pij x at various ages ------------*/
   
     int stepsize;
     int agelim;
     int hstepm;
     int nhstepm;
     int h, i, i1, j, k;
   
     double agedeb;
     double ***p3mat;
   
       strcpy(filerespij,"PIJ_");  strcat(filerespij,fileresu);
       if((ficrespij=fopen(filerespij,"w"))==NULL) {
         printf("Problem with Pij resultfile: %s\n", filerespij); return 1;
         fprintf(ficlog,"Problem with Pij resultfile: %s\n", filerespij); return 1;
       }
       printf("Computing pij: result on file '%s' \n", filerespij);
       fprintf(ficlog,"Computing pij: result on file '%s' \n", filerespij);
     
       stepsize=(int) (stepm+YEARM-1)/YEARM;
       /*if (stepm<=24) stepsize=2;*/
   
       agelim=AGESUP;
       hstepm=stepsize*YEARM; /* Every year of age */
       hstepm=hstepm/stepm; /* Typically 2 years, = 2/6 months = 4 */ 
                   
       /* hstepm=1;   aff par mois*/
       pstamp(ficrespij);
       fprintf(ficrespij,"#****** h Pij x Probability to be in state j at age x+h being in i at x ");
       i1= pow(2,cptcoveff);
                   /* for(cptcov=1,k=0;cptcov<=i1;cptcov++){ */
                   /*    /\*for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){*\/ */
                   /*      k=k+1;  */
       for (k=1; k <= (int) pow(2,cptcoveff); k++){
         fprintf(ficrespij,"\n#****** ");
         for(j=1;j<=cptcoveff;j++) 
           fprintf(ficrespij,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
         fprintf(ficrespij,"******\n");
         
         for (agedeb=fage; agedeb>=bage; agedeb--){ /* If stepm=6 months */
           nhstepm=(int) rint((agelim-agedeb)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */ 
           nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */
           
           /*        nhstepm=nhstepm*YEARM; aff par mois*/
           
           p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
           oldm=oldms;savm=savms;
           hpxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);  
           fprintf(ficrespij,"# Cov Agex agex+h hpijx with i,j=");
           for(i=1; i<=nlstate;i++)
             for(j=1; j<=nlstate+ndeath;j++)
               fprintf(ficrespij," %1d-%1d",i,j);
           fprintf(ficrespij,"\n");
           for (h=0; h<=nhstepm; h++){
             /*agedebphstep = agedeb + h*hstepm/YEARM*stepm;*/
             fprintf(ficrespij,"%d %3.f %3.f",k, agedeb, agedeb + h*hstepm/YEARM*stepm );
             for(i=1; i<=nlstate;i++)
               for(j=1; j<=nlstate+ndeath;j++)
                 fprintf(ficrespij," %.5f", p3mat[i][j][h]);
             fprintf(ficrespij,"\n");
           }
           free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
           fprintf(ficrespij,"\n");
         }
         /*}*/
       }
       return 0;
   }
    
    int hBijx(double *p, int bage, int fage, double ***prevacurrent){
       /*------------- h Bij x at various ages ------------*/
   
     int stepsize;
     /* int agelim; */
           int ageminl;
     int hstepm;
     int nhstepm;
     int h, i, i1, j, k;
           
     double agedeb;
     double ***p3mat;
           
     strcpy(filerespijb,"PIJB_");  strcat(filerespijb,fileresu);
     if((ficrespijb=fopen(filerespijb,"w"))==NULL) {
       printf("Problem with Pij back resultfile: %s\n", filerespijb); return 1;
       fprintf(ficlog,"Problem with Pij back resultfile: %s\n", filerespijb); return 1;
     }
     printf("Computing pij back: result on file '%s' \n", filerespijb);
     fprintf(ficlog,"Computing pij back: result on file '%s' \n", filerespijb);
     
     stepsize=(int) (stepm+YEARM-1)/YEARM;
     /*if (stepm<=24) stepsize=2;*/
     
     /* agelim=AGESUP; */
     ageminl=30;
     hstepm=stepsize*YEARM; /* Every year of age */
     hstepm=hstepm/stepm; /* Typically 2 years, = 2/6 months = 4 */
     
     /* hstepm=1;   aff par mois*/
     pstamp(ficrespijb);
     fprintf(ficrespijb,"#****** h Pij x Back Probability to be in state i at age x-h being in j at x ");
     i1= pow(2,cptcoveff);
     /* for(cptcov=1,k=0;cptcov<=i1;cptcov++){ */
     /*    /\*for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){*\/ */
     /*    k=k+1;  */
     for (k=1; k <= (int) pow(2,cptcoveff); k++){
       fprintf(ficrespijb,"\n#****** ");
       for(j=1;j<=cptcoveff;j++)
         fprintf(ficrespijb,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
       fprintf(ficrespijb,"******\n");
       
       /* for (agedeb=fage; agedeb>=bage; agedeb--){ /\* If stepm=6 months *\/ */
       for (agedeb=bage; agedeb<=fage; agedeb++){ /* If stepm=6 months and estepm=24 (2 years) */
         /* nhstepm=(int) rint((agelim-agedeb)*YEARM/stepm); /\* Typically 20 years = 20*12/6=40 *\/ */
         nhstepm=(int) rint((agedeb-ageminl)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */
         nhstepm = nhstepm/hstepm; /* Typically 40/4=10, because estepm=24 stepm=6 => hstepm=24/6=4 */
         
         /*          nhstepm=nhstepm*YEARM; aff par mois*/
         
         p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
         /* oldm=oldms;savm=savms; */
         /* hbxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);   */
         hbxij(p3mat,nhstepm,agedeb,hstepm,p,prevacurrent,nlstate,stepm, k);
         /* hbxij(p3mat,nhstepm,agedeb,hstepm,p,prevacurrent,nlstate,stepm,oldm,savm, dnewm, doldm, dsavm, k); */
         fprintf(ficrespijb,"# Cov Agex agex-h hpijx with i,j=");
         for(i=1; i<=nlstate;i++)
           for(j=1; j<=nlstate+ndeath;j++)
             fprintf(ficrespijb," %1d-%1d",i,j);
         fprintf(ficrespijb,"\n");
         for (h=0; h<=nhstepm; h++){
           /*agedebphstep = agedeb + h*hstepm/YEARM*stepm;*/
           fprintf(ficrespijb,"%d %3.f %3.f",k, agedeb, agedeb - h*hstepm/YEARM*stepm );
           /* fprintf(ficrespijb,"%d %3.f %3.f",k, agedeb, agedeb + h*hstepm/YEARM*stepm ); */
           for(i=1; i<=nlstate;i++)
             for(j=1; j<=nlstate+ndeath;j++)
               fprintf(ficrespijb," %.5f", p3mat[i][j][h]);
           fprintf(ficrespijb,"\n");
         }
         free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
         fprintf(ficrespijb,"\n");
       }
       /*}*/
     }
     return 0;
    } /*  hBijx */
   
   
   /***********************************************/
   /**************** Main Program *****************/
   /***********************************************/
   
   int main(int argc, char *argv[])
   {
   #ifdef GSL
     const gsl_multimin_fminimizer_type *T;
     size_t iteri = 0, it;
     int rval = GSL_CONTINUE;
     int status = GSL_SUCCESS;
     double ssval;
   #endif
     int movingaverage(double ***probs, double bage,double fage, double ***mobaverage, int mobilav);
     int i,j, k, n=MAXN,iter=0,m,size=100, cptcod;
     int ncvyear=0; /* Number of years needed for the period prevalence to converge */
     int jj, ll, li, lj, lk;
     int numlinepar=0; /* Current linenumber of parameter file */
     int num_filled;
     int itimes;
     int NDIM=2;
     int vpopbased=0;
   
     char ca[32], cb[32];
     /*  FILE *fichtm; *//* Html File */
     /* FILE *ficgp;*/ /*Gnuplot File */
     struct stat info;
     double agedeb=0.;
   
     double ageminpar=AGEOVERFLOW,agemin=AGEOVERFLOW, agemaxpar=-AGEOVERFLOW, agemax=-AGEOVERFLOW;
           double ageminout=-AGEOVERFLOW,agemaxout=AGEOVERFLOW; /* Smaller Age range redefined after movingaverage */
   
     double fret;
     double dum=0.; /* Dummy variable */
     double ***p3mat;
     /* double ***mobaverage; */
   
     char line[MAXLINE];
     char path[MAXLINE],pathc[MAXLINE],pathcd[MAXLINE],pathtot[MAXLINE];
   
     char model[MAXLINE], modeltemp[MAXLINE];
     char pathr[MAXLINE], pathimach[MAXLINE]; 
     char *tok, *val; /* pathtot */
     int firstobs=1, lastobs=10;
     int c,  h , cpt, c2;
     int jl=0;
     int i1, j1, jk, stepsize=0;
     int count=0;
   
     int *tab; 
     int mobilavproj=0 , prevfcast=0 ; /* moving average of prev, If prevfcast=1 prevalence projection */
     int backcast=0;
     int mobilav=0,popforecast=0;
     int hstepm=0, nhstepm=0;
     int agemortsup;
     float  sumlpop=0.;
     double jprev1=1, mprev1=1,anprev1=2000,jprev2=1, mprev2=1,anprev2=2000;
     double jpyram=1, mpyram=1,anpyram=2000,jpyram1=1, mpyram1=1,anpyram1=2000;
   
     double bage=0, fage=110., age, agelim=0., agebase=0.;
     double ftolpl=FTOL;
     double **prlim;
     double **bprlim;
     double ***param; /* Matrix of parameters */
     double  *p;
     double **matcov; /* Matrix of covariance */
     double **hess; /* Hessian matrix */
     double ***delti3; /* Scale */
     double *delti; /* Scale */
     double ***eij, ***vareij;
     double **varpl; /* Variances of prevalence limits by age */
     double *epj, vepp;
   
     double dateprev1, dateprev2,jproj1=1,mproj1=1,anproj1=2000,jproj2=1,mproj2=1,anproj2=2000;
     double jback1=1,mback1=1,anback1=2000,jback2=1,mback2=1,anback2=2000;
   
     double **ximort;
     char *alph[]={"a","a","b","c","d","e"}, str[4]="1234";
     int *dcwave;
   
     char z[1]="c";
   
     /*char  *strt;*/
     char strtend[80];
   
   
   /*   setlocale (LC_ALL, ""); */
   /*   bindtextdomain (PACKAGE, LOCALEDIR); */
   /*   textdomain (PACKAGE); */
   /*   setlocale (LC_CTYPE, ""); */
   /*   setlocale (LC_MESSAGES, ""); */
   
     /*   gettimeofday(&start_time, (struct timezone*)0); */ /* at first time */
     rstart_time = time(NULL);  
     /*  (void) gettimeofday(&start_time,&tzp);*/
     start_time = *localtime(&rstart_time);
     curr_time=start_time;
     /*tml = *localtime(&start_time.tm_sec);*/
     /* strcpy(strstart,asctime(&tml)); */
     strcpy(strstart,asctime(&start_time));
   
   /*  printf("Localtime (at start)=%s",strstart); */
   /*  tp.tm_sec = tp.tm_sec +86400; */
   /*  tm = *localtime(&start_time.tm_sec); */
   /*   tmg.tm_year=tmg.tm_year +dsign*dyear; */
   /*   tmg.tm_mon=tmg.tm_mon +dsign*dmonth; */
   /*   tmg.tm_hour=tmg.tm_hour + 1; */
   /*   tp.tm_sec = mktime(&tmg); */
   /*   strt=asctime(&tmg); */
   /*   printf("Time(after) =%s",strstart);  */
   /*  (void) time (&time_value);
   *  printf("time=%d,t-=%d\n",time_value,time_value-86400);
   *  tm = *localtime(&time_value);
   *  strstart=asctime(&tm);
   *  printf("tim_value=%d,asctime=%s\n",time_value,strstart); 
   */
   
     nberr=0; /* Number of errors and warnings */
     nbwarn=0;
   #ifdef WIN32
     _getcwd(pathcd, size);
   #else
     getcwd(pathcd, size);
   #endif
     syscompilerinfo(0);
     printf("\nIMaCh version %s, %s\n%s",version, copyright, fullversion);
     if(argc <=1){
       printf("\nEnter the parameter file name: ");
       if(!fgets(pathr,FILENAMELENGTH,stdin)){
         printf("ERROR Empty parameter file name\n");
         goto end;
       }
       i=strlen(pathr);
       if(pathr[i-1]=='\n')
         pathr[i-1]='\0';
       i=strlen(pathr);
       if(i >= 1 && pathr[i-1]==' ') {/* This may happen when dragging on oS/X! */
         pathr[i-1]='\0';
       }
       i=strlen(pathr);
       if( i==0 ){
         printf("ERROR Empty parameter file name\n");
         goto end;
       }
       for (tok = pathr; tok != NULL; ){
         printf("Pathr |%s|\n",pathr);
         while ((val = strsep(&tok, "\"" )) != NULL && *val == '\0');
         printf("val= |%s| pathr=%s\n",val,pathr);
         strcpy (pathtot, val);
         if(pathr[0] == '\0') break; /* Dirty */
       }
     }
     else{
       strcpy(pathtot,argv[1]);
     }
     /*if(getcwd(pathcd, MAXLINE)!= NULL)printf ("Error pathcd\n");*/
     /*cygwin_split_path(pathtot,path,optionfile);
       printf("pathtot=%s, path=%s, optionfile=%s\n",pathtot,path,optionfile);*/
     /* cutv(path,optionfile,pathtot,'\\');*/
   
     /* Split argv[0], imach program to get pathimach */
     printf("\nargv[0]=%s argv[1]=%s, \n",argv[0],argv[1]);
     split(argv[0],pathimach,optionfile,optionfilext,optionfilefiname);
     printf("\nargv[0]=%s pathimach=%s, \noptionfile=%s \noptionfilext=%s \noptionfilefiname=%s\n",argv[0],pathimach,optionfile,optionfilext,optionfilefiname);
    /*   strcpy(pathimach,argv[0]); */
     /* Split argv[1]=pathtot, parameter file name to get path, optionfile, extension and name */
     split(pathtot,path,optionfile,optionfilext,optionfilefiname);
     printf("\npathtot=%s,\npath=%s,\noptionfile=%s \noptionfilext=%s \noptionfilefiname=%s\n",pathtot,path,optionfile,optionfilext,optionfilefiname);
   #ifdef WIN32
     _chdir(path); /* Can be a relative path */
     if(_getcwd(pathcd,MAXLINE) > 0) /* So pathcd is the full path */
   #else
     chdir(path); /* Can be a relative path */
     if (getcwd(pathcd, MAXLINE) > 0) /* So pathcd is the full path */
   #endif
     printf("Current directory %s!\n",pathcd);
     strcpy(command,"mkdir ");
     strcat(command,optionfilefiname);
     if((outcmd=system(command)) != 0){
       printf("Directory already exists (or can't create it) %s%s, err=%d\n",path,optionfilefiname,outcmd);
       /* fprintf(ficlog,"Problem creating directory %s%s\n",path,optionfilefiname); */
       /* fclose(ficlog); */
   /*     exit(1); */
     }
   /*   if((imk=mkdir(optionfilefiname))<0){ */
   /*     perror("mkdir"); */
   /*   } */
   
     /*-------- arguments in the command line --------*/
   
     /* Main Log file */
     strcat(filelog, optionfilefiname);
     strcat(filelog,".log");    /* */
     if((ficlog=fopen(filelog,"w"))==NULL)    {
       printf("Problem with logfile %s\n",filelog);
       goto end;
     }
     fprintf(ficlog,"Log filename:%s\n",filelog);
     fprintf(ficlog,"Version %s %s",version,fullversion);
     fprintf(ficlog,"\nEnter the parameter file name: \n");
     fprintf(ficlog,"pathimach=%s\npathtot=%s\n\
    path=%s \n\
    optionfile=%s\n\
    optionfilext=%s\n\
    optionfilefiname='%s'\n",pathimach,pathtot,path,optionfile,optionfilext,optionfilefiname);
   
     syscompilerinfo(1);
   
     printf("Local time (at start):%s",strstart);
     fprintf(ficlog,"Local time (at start): %s",strstart);
     fflush(ficlog);
   /*   (void) gettimeofday(&curr_time,&tzp); */
   /*   printf("Elapsed time %d\n", asc_diff_time(curr_time.tm_sec-start_time.tm_sec,tmpout)); */
   
     /* */
     strcpy(fileres,"r");
     strcat(fileres, optionfilefiname);
     strcat(fileresu, optionfilefiname); /* Without r in front */
     strcat(fileres,".txt");    /* Other files have txt extension */
     strcat(fileresu,".txt");    /* Other files have txt extension */
   
     /* Main ---------arguments file --------*/
   
     if((ficpar=fopen(optionfile,"r"))==NULL)    {
       printf("Problem with optionfile '%s' with errno='%s'\n",optionfile,strerror(errno));
       fprintf(ficlog,"Problem with optionfile '%s' with errno='%s'\n",optionfile,strerror(errno));
       fflush(ficlog);
       /* goto end; */
       exit(70); 
     }
   
   
   
     strcpy(filereso,"o");
     strcat(filereso,fileresu);
     if((ficparo=fopen(filereso,"w"))==NULL) { /* opened on subdirectory */
       printf("Problem with Output resultfile: %s\n", filereso);
       fprintf(ficlog,"Problem with Output resultfile: %s\n", filereso);
       fflush(ficlog);
       goto end;
     }
   
     /* Reads comments: lines beginning with '#' */
     numlinepar=0;
   
       /* First parameter line */
     while(fgets(line, MAXLINE, ficpar)) {
       /* If line starts with a # it is a comment */
       if (line[0] == '#') {
         numlinepar++;
         fputs(line,stdout);
         fputs(line,ficparo);
         fputs(line,ficlog);
         continue;
       }else
         break;
     }
     if((num_filled=sscanf(line,"title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\n", \
                           title, datafile, &lastobs, &firstpass,&lastpass)) !=EOF){
       if (num_filled != 5) {
         printf("Should be 5 parameters\n");
       }
       numlinepar++;
       printf("title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\n", title, datafile, lastobs, firstpass,lastpass);
     }
     /* Second parameter line */
     while(fgets(line, MAXLINE, ficpar)) {
       /* If line starts with a # it is a comment */
       if (line[0] == '#') {
         numlinepar++;
         fputs(line,stdout);
         fputs(line,ficparo);
         fputs(line,ficlog);
         continue;
       }else
         break;
     }
     if((num_filled=sscanf(line,"ftol=%lf stepm=%d ncovcol=%d nlstate=%d ndeath=%d maxwav=%d mle=%d weight=%d\n", \
                           &ftol, &stepm, &ncovcol, &nlstate, &ndeath, &maxwav, &mle, &weightopt)) !=EOF){
       if (num_filled != 8) {
         printf("Not 8 parameters, for example:ftol=1.e-8 stepm=12 ncovcol=2 nlstate=2 ndeath=1 maxwav=3 mle=1 weight=1\n");
         printf("but line=%s\n",line);
       }
       printf("ftol=%e stepm=%d ncovcol=%d nlstate=%d ndeath=%d maxwav=%d mle=%d weight=%d\n",ftol, stepm, ncovcol, nlstate,ndeath, maxwav, mle, weightopt);
     }
     /* ftolpl=6*ftol*1.e5; /\* 6.e-3 make convergences in less than 80 loops for the prevalence limit *\/ */
     /*ftolpl=6.e-4; *//* 6.e-3 make convergences in less than 80 loops for the prevalence limit */
     /* Third parameter line */
     while(fgets(line, MAXLINE, ficpar)) {
       /* If line starts with a # it is a comment */
       if (line[0] == '#') {
         numlinepar++;
         fputs(line,stdout);
         fputs(line,ficparo);
         fputs(line,ficlog);
         continue;
       }else
         break;
     }
     if((num_filled=sscanf(line,"model=1+age%[^.\n]", model)) !=EOF){
       if (num_filled == 0)
               model[0]='\0';
       else if (num_filled != 1){
         printf("ERROR %d: Model should be at minimum 'model=1+age.' %s\n",num_filled, line);
         fprintf(ficlog,"ERROR %d: Model should be at minimum 'model=1+age.' %s\n",num_filled, line);
         model[0]='\0';
         goto end;
       }
       else{
         if (model[0]=='+'){
           for(i=1; i<=strlen(model);i++)
             modeltemp[i-1]=model[i];
           strcpy(model,modeltemp); 
         }
       }
       /* printf(" model=1+age%s modeltemp= %s, model=%s\n",model, modeltemp, model);fflush(stdout); */
       printf("model=1+age+%s\n",model);fflush(stdout);
     }
     /* fscanf(ficpar,"title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\nftol=%lf stepm=%d ncovcol=%d nlstate=%d ndeath=%d maxwav=%d mle=%d weight=%d model=1+age+%s\n",title, datafile, &lastobs, &firstpass,&lastpass,&ftol, &stepm, &ncovcol, &nlstate,&ndeath, &maxwav, &mle, &weightopt,model); */
     /* numlinepar=numlinepar+3; /\* In general *\/ */
     /* printf("title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\nftol=%e stepm=%d ncovcol=%d nlstate=%d ndeath=%d maxwav=%d mle=%d weight=%d\nmodel=1+age+%s\n", title, datafile, lastobs, firstpass,lastpass,ftol, stepm, ncovcol, nlstate,ndeath, maxwav, mle, weightopt,model); */
     fprintf(ficparo,"title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\nftol=%e stepm=%d ncovcol=%d nlstate=%d ndeath=%d maxwav=%d mle=%d weight=%d\nmodel=1+age+%s.\n", title, datafile, lastobs, firstpass,lastpass,ftol,stepm,ncovcol,nlstate,ndeath,maxwav, mle, weightopt,model);
     fprintf(ficlog,"title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\nftol=%e stepm=%d ncovcol=%d nlstate=%d ndeath=%d maxwav=%d mle=%d weight=%d\nmodel=1+age+%s.\n", title, datafile, lastobs, firstpass,lastpass,ftol,stepm,ncovcol,nlstate,ndeath,maxwav, mle, weightopt,model);
     fflush(ficlog);
     /* if(model[0]=='#'|| model[0]== '\0'){ */
     if(model[0]=='#'){
       printf("Error in 'model' line: model should start with 'model=1+age+' and end with '.' \n \
    'model=1+age+.' or 'model=1+age+V1.' or 'model=1+age+age*age+V1+V1*age.' or \n \
    'model=1+age+V1+V2.' or 'model=1+age+V1+V2+V1*V2.' etc. \n");          \
       if(mle != -1){
         printf("Fix the model line and run imach with mle=-1 to get a correct template of the parameter file.\n");
         exit(1);
       }
     }
     while((c=getc(ficpar))=='#' && c!= EOF){
       ungetc(c,ficpar);
       fgets(line, MAXLINE, ficpar);
       numlinepar++;
       if(line[1]=='q'){ /* This #q will quit imach (the answer is q) */
         z[0]=line[1];
       }
       /* printf("****line [1] = %c \n",line[1]); */
       fputs(line, stdout);
       //puts(line);
       fputs(line,ficparo);
       fputs(line,ficlog);
     }
     ungetc(c,ficpar);
   
      
     covar=matrix(0,NCOVMAX,1,n);  /**< used in readdata */
     cptcovn=0; /*Number of covariates, i.e. number of '+' in model statement plus one, indepently of n in Vn*/
     /* v1+v2+v3+v2*v4+v5*age makes cptcovn = 5
        v1+v2*age+v2*v3 makes cptcovn = 3
     */
     if (strlen(model)>1) 
       ncovmodel=2+nbocc(model,'+')+1; /*Number of variables including intercept and age = cptcovn + intercept + age : v1+v2+v3+v2*v4+v5*age makes 5+2=7,age*age makes 3*/
     else
       ncovmodel=2; /* Constant and age */
     nforce= (nlstate+ndeath-1)*nlstate; /* Number of forces ij from state i to j */
     npar= nforce*ncovmodel; /* Number of parameters like aij*/
     if(npar >MAXPARM || nlstate >NLSTATEMAX || ndeath >NDEATHMAX || ncovmodel>NCOVMAX){
       printf("Too complex model for current IMaCh: npar=(nlstate+ndeath-1)*nlstate*ncovmodel=%d >= %d(MAXPARM) or nlstate=%d >= %d(NLSTATEMAX) or ndeath=%d >= %d(NDEATHMAX) or ncovmodel=(k+age+#of+signs)=%d(NCOVMAX) >= %d\n",npar, MAXPARM, nlstate, NLSTATEMAX, ndeath, NDEATHMAX, ncovmodel, NCOVMAX);
       fprintf(ficlog,"Too complex model for current IMaCh: %d >=%d(MAXPARM) or %d >=%d(NLSTATEMAX) or %d >=%d(NDEATHMAX) or %d(NCOVMAX) >=%d\n",npar, MAXPARM, nlstate, NLSTATEMAX, ndeath, NDEATHMAX, ncovmodel, NCOVMAX);
       fflush(stdout);
       fclose (ficlog);
       goto end;
     }
     delti3= ma3x(1,nlstate,1,nlstate+ndeath-1,1,ncovmodel);
     delti=delti3[1][1];
     /*delti=vector(1,npar); *//* Scale of each paramater (output from hesscov)*/
     if(mle==-1){ /* Print a wizard for help writing covariance matrix */
       prwizard(ncovmodel, nlstate, ndeath, model, ficparo);
       printf(" You chose mle=-1, look at file %s for a template of covariance matrix \n",filereso);
       fprintf(ficlog," You chose mle=-1, look at file %s for a template of covariance matrix \n",filereso);
       free_ma3x(delti3,1,nlstate,1, nlstate+ndeath-1,1,ncovmodel); 
       fclose (ficparo);
       fclose (ficlog);
       goto end;
       exit(0);
     }
     else if(mle==-3) { /* Main Wizard */
       prwizard(ncovmodel, nlstate, ndeath, model, ficparo);
       printf(" You chose mle=-3, look at file %s for a template of covariance matrix \n",filereso);
       fprintf(ficlog," You chose mle=-3, look at file %s for a template of covariance matrix \n",filereso);
       param= ma3x(1,nlstate,1,nlstate+ndeath-1,1,ncovmodel);
       matcov=matrix(1,npar,1,npar);
       hess=matrix(1,npar,1,npar);
     }
     else{
       /* Read guessed parameters */
       /* Reads comments: lines beginning with '#' */
       while((c=getc(ficpar))=='#' && c!= EOF){
         ungetc(c,ficpar);
         fgets(line, MAXLINE, ficpar);
         numlinepar++;
         fputs(line,stdout);
         fputs(line,ficparo);
         fputs(line,ficlog);
       }
       ungetc(c,ficpar);
       
       param= ma3x(1,nlstate,1,nlstate+ndeath-1,1,ncovmodel);
       for(i=1; i <=nlstate; i++){
         j=0;
         for(jj=1; jj <=nlstate+ndeath; jj++){
           if(jj==i) continue;
           j++;
           fscanf(ficpar,"%1d%1d",&i1,&j1);
           if ((i1 != i) || (j1 != jj)){
             printf("Error in line parameters number %d, %1d%1d instead of %1d%1d \n \
   It might be a problem of design; if ncovcol and the model are correct\n \
   run imach with mle=-1 to get a correct template of the parameter file.\n",numlinepar, i,j, i1, j1);
             exit(1);
           }
           fprintf(ficparo,"%1d%1d",i1,j1);
           if(mle==1)
             printf("%1d%1d",i,jj);
           fprintf(ficlog,"%1d%1d",i,jj);
           for(k=1; k<=ncovmodel;k++){
             fscanf(ficpar," %lf",&param[i][j][k]);
             if(mle==1){
               printf(" %lf",param[i][j][k]);
               fprintf(ficlog," %lf",param[i][j][k]);
             }
             else
               fprintf(ficlog," %lf",param[i][j][k]);
             fprintf(ficparo," %lf",param[i][j][k]);
           }
           fscanf(ficpar,"\n");
           numlinepar++;
           if(mle==1)
             printf("\n");
           fprintf(ficlog,"\n");
           fprintf(ficparo,"\n");
         }
       }  
       fflush(ficlog);
   
       /* Reads scales values */
       p=param[1][1];
       
       /* Reads comments: lines beginning with '#' */
       while((c=getc(ficpar))=='#' && c!= EOF){
         ungetc(c,ficpar);
         fgets(line, MAXLINE, ficpar);
         numlinepar++;
         fputs(line,stdout);
         fputs(line,ficparo);
         fputs(line,ficlog);
       }
       ungetc(c,ficpar);
   
       for(i=1; i <=nlstate; i++){
         for(j=1; j <=nlstate+ndeath-1; j++){
           fscanf(ficpar,"%1d%1d",&i1,&j1);
           if ( (i1-i) * (j1-j) != 0){
             printf("Error in line parameters number %d, %1d%1d instead of %1d%1d \n",numlinepar, i,j, i1, j1);
             exit(1);
           }
           printf("%1d%1d",i,j);
           fprintf(ficparo,"%1d%1d",i1,j1);
           fprintf(ficlog,"%1d%1d",i1,j1);
           for(k=1; k<=ncovmodel;k++){
             fscanf(ficpar,"%le",&delti3[i][j][k]);
             printf(" %le",delti3[i][j][k]);
             fprintf(ficparo," %le",delti3[i][j][k]);
             fprintf(ficlog," %le",delti3[i][j][k]);
           }
           fscanf(ficpar,"\n");
           numlinepar++;
           printf("\n");
           fprintf(ficparo,"\n");
           fprintf(ficlog,"\n");
         }
       }
       fflush(ficlog);
   
       /* Reads covariance matrix */
       delti=delti3[1][1];
   
   
       /* free_ma3x(delti3,1,nlstate,1,nlstate+ndeath-1,1,ncovmodel); */ /* Hasn't to to freed here otherwise delti is no more allocated */
     
       /* Reads comments: lines beginning with '#' */
       while((c=getc(ficpar))=='#' && c!= EOF){
         ungetc(c,ficpar);
         fgets(line, MAXLINE, ficpar);
         numlinepar++;
         fputs(line,stdout);
         fputs(line,ficparo);
         fputs(line,ficlog);
       }
       ungetc(c,ficpar);
     
       matcov=matrix(1,npar,1,npar);
       hess=matrix(1,npar,1,npar);
       for(i=1; i <=npar; i++)
         for(j=1; j <=npar; j++) matcov[i][j]=0.;
         
       /* Scans npar lines */
       for(i=1; i <=npar; i++){
         count=fscanf(ficpar,"%1d%1d%1d",&i1,&j1,&jk);
         if(count != 3){
           printf("Error! Error in parameter file %s at line %d after line starting with %1d%1d%1d\n\
   This is probably because your covariance matrix doesn't \n  contain exactly %d lines corresponding to your model line '1+age+%s'.\n\
   Please run with mle=-1 to get a correct covariance matrix.\n",optionfile,numlinepar, i1,j1,jk, npar, model);
           fprintf(ficlog,"Error! Error in parameter file %s at line %d after line starting with %1d%1d%1d\n\
   This is probably because your covariance matrix doesn't \n  contain exactly %d lines corresponding to your model line '1+age+%s'.\n\
   Please run with mle=-1 to get a correct covariance matrix.\n",optionfile,numlinepar, i1,j1,jk, npar, model);
           exit(1);
         }else
           if(mle==1)
             printf("%1d%1d%1d",i1,j1,jk);
         fprintf(ficlog,"%1d%1d%1d",i1,j1,jk);
         fprintf(ficparo,"%1d%1d%1d",i1,j1,jk);
         for(j=1; j <=i; j++){
           fscanf(ficpar," %le",&matcov[i][j]);
           if(mle==1){
             printf(" %.5le",matcov[i][j]);
           }
           fprintf(ficlog," %.5le",matcov[i][j]);
           fprintf(ficparo," %.5le",matcov[i][j]);
         }
         fscanf(ficpar,"\n");
         numlinepar++;
         if(mle==1)
           printf("\n");
         fprintf(ficlog,"\n");
         fprintf(ficparo,"\n");
       }
       /* End of read covariance matrix npar lines */
       for(i=1; i <=npar; i++)
         for(j=i+1;j<=npar;j++)
           matcov[i][j]=matcov[j][i];
       
       if(mle==1)
         printf("\n");
       fprintf(ficlog,"\n");
       
       fflush(ficlog);
       
       /*-------- Rewriting parameter file ----------*/
       strcpy(rfileres,"r");    /* "Rparameterfile */
       strcat(rfileres,optionfilefiname);    /* Parameter file first name*/
       strcat(rfileres,".");    /* */
       strcat(rfileres,optionfilext);    /* Other files have txt extension */
       if((ficres =fopen(rfileres,"w"))==NULL) {
         printf("Problem writing new parameter file: %s\n", rfileres);goto end;
         fprintf(ficlog,"Problem writing new parameter file: %s\n", rfileres);goto end;
       }
       fprintf(ficres,"#%s\n",version);
     }    /* End of mle != -3 */
     
     /*  Main data
      */
     n= lastobs;
     num=lvector(1,n);
     moisnais=vector(1,n);
     annais=vector(1,n);
     moisdc=vector(1,n);
     andc=vector(1,n);
     agedc=vector(1,n);
     cod=ivector(1,n);
     weight=vector(1,n);
     for(i=1;i<=n;i++) weight[i]=1.0; /* Equal weights, 1 by default */
     mint=matrix(1,maxwav,1,n);
     anint=matrix(1,maxwav,1,n);
     s=imatrix(1,maxwav+1,1,n); /* s[i][j] health state for wave i and individual j */ 
     tab=ivector(1,NCOVMAX);
     ncodemax=ivector(1,NCOVMAX); /* Number of code per covariate; if O and 1 only, 2**ncov; V1+V2+V3+V4=>16 */
     ncodemaxwundef=ivector(1,NCOVMAX); /* Number of code per covariate; if - 1 O and 1 only, 2**ncov; V1+V2+V3+V4=>16 */
   
     /* Reads data from file datafile */
     if (readdata(datafile, firstobs, lastobs, &imx)==1)
       goto end;
   
     /* Calculation of the number of parameters from char model */
       /*    modelsav=V2+V1+V4+age*V3 strb=age*V3 stra=V2+V1+V4 
           k=4 (age*V3) Tvar[k=4]= 3 (from V3) Tag[cptcovage=1]=4
           k=3 V4 Tvar[k=3]= 4 (from V4)
           k=2 V1 Tvar[k=2]= 1 (from V1)
           k=1 Tvar[1]=2 (from V2)
       */
     Tvar=ivector(1,NCOVMAX); /* Was 15 changed to NCOVMAX. */
     /*  V2+V1+V4+age*V3 is a model with 4 covariates (3 plus signs). 
         For each model-covariate stores the data-covariate id. Tvar[1]=2, Tvar[2]=1, Tvar[3]=4, 
         Tvar[4=age*V3] is 3 and 'age' is recorded in Tage.
     */
     /* For model-covariate k tells which data-covariate to use but
       because this model-covariate is a construction we invent a new column
       ncovcol + k1
       If already ncovcol=4 and model=V2+V1+V1*V4+age*V3
       Tvar[3=V1*V4]=4+1 etc */
     Tprod=ivector(1,NCOVMAX); /* Gives the position of a product */
     /* Tprod[k1=1]=3(=V1*V4) for V2+V1+V1*V4+age*V3
        if  V2+V1+V1*V4+age*V3+V3*V2   TProd[k1=2]=5 (V3*V2)
     */
     Tvaraff=ivector(1,NCOVMAX); /* Unclear */
     Tvard=imatrix(1,NCOVMAX,1,2); /* n=Tvard[k1][1]  and m=Tvard[k1][2] gives the couple n,m of the k1 th product Vn*Vm
                               * For V3*V2 (in V2+V1+V1*V4+age*V3+V3*V2), V3*V2 position is 2nd. 
                               * Tvard[k1=2][1]=3 (V3) Tvard[k1=2][2]=2(V2) */
     Tage=ivector(1,NCOVMAX); /* Gives the covariate id of covariates associated with age: V2 + V1 + age*V4 + V3*age
                            4 covariates (3 plus signs)
                            Tage[1=V3*age]= 4; Tage[2=age*V4] = 3
                         */  
   
   /* Main decodemodel */
   
   
     if(decodemodel(model, lastobs) == 1)
       goto end;
   
     if((double)(lastobs-imx)/(double)imx > 1.10){
       nbwarn++;
       printf("Warning: The value of parameter lastobs=%d is big compared to the \n  effective number of cases imx=%d, please adjust, \n  otherwise you are allocating more memory than necessary.\n",lastobs, imx); 
       fprintf(ficlog,"Warning: The value of parameter lastobs=%d is big compared to the \n  effective number of cases imx=%d, please adjust, \n  otherwise you are allocating more memory than necessary.\n",lastobs, imx); 
     }
       /*  if(mle==1){*/
     if (weightopt != 1) { /* Maximisation without weights. We can have weights different from 1 but want no weight*/
       for(i=1;i<=imx;i++) weight[i]=1.0; /* changed to imx */
     }
   
       /*-calculation of age at interview from date of interview and age at death -*/
     agev=matrix(1,maxwav,1,imx);
   
     if(calandcheckages(imx, maxwav, &agemin, &agemax, &nberr, &nbwarn) == 1)
       goto end;
   
   
     agegomp=(int)agemin;
     free_vector(moisnais,1,n);
     free_vector(annais,1,n);
     /* free_matrix(mint,1,maxwav,1,n);
        free_matrix(anint,1,maxwav,1,n);*/
     /* free_vector(moisdc,1,n); */
     /* free_vector(andc,1,n); */
     /* */
     
     wav=ivector(1,imx);
     /* dh=imatrix(1,lastpass-firstpass+1,1,imx); */
     /* bh=imatrix(1,lastpass-firstpass+1,1,imx); */
     /* mw=imatrix(1,lastpass-firstpass+1,1,imx); */
     dh=imatrix(1,lastpass-firstpass+2,1,imx); /* We are adding a wave if status is unknown at last wave but death occurs after last wave.*/
     bh=imatrix(1,lastpass-firstpass+2,1,imx);
     mw=imatrix(1,lastpass-firstpass+2,1,imx);
      
     /* Concatenates waves */
     /* Concatenates waves: wav[i] is the number of effective (useful waves) of individual i.
        Death is a valid wave (if date is known).
        mw[mi][i] is the number of (mi=1 to wav[i]) effective wave out of mi of individual i
        dh[m][i] or dh[mw[mi][i]][i] is the delay between two effective waves m=mw[mi][i]
        and mw[mi+1][i]. dh depends on stepm.
     */
   
     concatwav(wav, dh, bh, mw, s, agedc, agev,  firstpass, lastpass, imx, nlstate, stepm);
     /* */
    
     free_vector(moisdc,1,n);
     free_vector(andc,1,n);
   
     /* Routine tricode is to calculate cptcoveff (real number of unique covariates) and to associate covariable number and modality */
   
     nbcode=imatrix(0,NCOVMAX,0,NCOVMAX); 
     ncodemax[1]=1;
     Ndum =ivector(-1,NCOVMAX);  
     if (ncovmodel-nagesqr > 2 ) /* That is if covariate other than cst, age and age*age */
       tricode(Tvar,nbcode,imx, Ndum); /**< Fills nbcode[Tvar[j]][l]; */
     /* Nbcode gives the value of the lth modality (currently 1 to 2) of jth covariate, in
        V2+V1*age, there are 3 covariates Tvar[2]=1 (V1).*/
     /* 1 to ncodemax[j] which is the maximum value of this jth covariate */
   
     /*  codtab=imatrix(1,100,1,10);*/ /* codtab[h,k]=( (h-1) - mod(k-1,2**(k-1) )/2**(k-1) */
     /*printf(" codtab[1,1],codtab[100,10]=%d,%d\n", codtab[1][1],codtabm(100,10));*/
     /* codtab gives the value 1 or 2 of the hth combination of k covariates (1 or 2).*/
     /* nbcode[Tvaraff[j]][codtabm(h,j)]) : if there are only 2 modalities for a covariate j, 
      * codtabm(h,j) gives its value classified at position h and nbcode gives how it is coded 
      * (currently 0 or 1) in the data.
      * In a loop on h=1 to 2**k, and a loop on j (=1 to k), we get the value of 
      * corresponding modality (h,j).
      */
   
     h=0;
   
   
     /*if (cptcovn > 0) */
         
    
     m=pow(2,cptcoveff);
    
             /**< codtab(h,k)  k   = codtab[h,k]=( (h-1) - mod(k-1,2**(k-1) )/2**(k-1) + 1
              * For k=4 covariates, h goes from 1 to m=2**k
              * codtabm(h,k)=  (1 & (h-1) >> (k-1)) + 1;
              * #define codtabm(h,k)  (1 & (h-1) >> (k-1))+1
              *     h\k   1     2     3     4
              *______________________________  
              *     1 i=1 1 i=1 1 i=1 1 i=1 1
              *     2     2     1     1     1
              *     3 i=2 1     2     1     1
              *     4     2     2     1     1
              *     5 i=3 1 i=2 1     2     1
              *     6     2     1     2     1
              *     7 i=4 1     2     2     1
              *     8     2     2     2     1
              *     9 i=5 1 i=3 1 i=2 1     2
              *    10     2     1     1     2
              *    11 i=6 1     2     1     2
              *    12     2     2     1     2
              *    13 i=7 1 i=4 1     2     2    
              *    14     2     1     2     2
              *    15 i=8 1     2     2     2
              *    16     2     2     2     2
              */
     /* How to do the opposite? From combination h (=1 to 2**k) how to get the value on the covariates? */
        /* from h=5 and m, we get then number of covariates k=log(m)/log(2)=4
        * and the value of each covariate?
        * V1=1, V2=1, V3=2, V4=1 ?
        * h-1=4 and 4 is 0100 or reverse 0010, and +1 is 1121 ok.
        * h=6, 6-1=5, 5 is 0101, 1010, 2121, V1=2nd, V2=1st, V3=2nd, V4=1st.
        * In order to get the real value in the data, we use nbcode
        * nbcode[Tvar[3][2nd]]=1 and nbcode[Tvar[4][1]]=0
        * We are keeping this crazy system in order to be able (in the future?) 
        * to have more than 2 values (0 or 1) for a covariate.
        * #define codtabm(h,k)  (1 & (h-1) >> (k-1))+1
        * h=6, k=2? h-1=5=0101, reverse 1010, +1=2121, k=2nd position: value is 1: codtabm(6,2)=1
        *              bbbbbbbb
        *              76543210     
        *   h-1        00000101 (6-1=5)
        *(h-1)>>(k-1)= 00000001 >> (2-1) = 1 right shift
        *           &
        *     1        00000001 (1)
        *              00000001        = 1 & ((h-1) >> (k-1))
        *          +1= 00000010 =2 
        *
        * h=14, k=3 => h'=h-1=13, k'=k-1=2
        *          h'      1101 =2^3+2^2+0x2^1+2^0
        *    >>k'            11
        *          &   00000001
        *            = 00000001
        *      +1    = 00000010=2    =  codtabm(14,3)   
        * Reverse h=6 and m=16?
        * cptcoveff=log(16)/log(2)=4 covariate: 6-1=5=0101 reversed=1010 +1=2121 =>V1=2, V2=1, V3=2, V4=1.
        * for (j=1 to cptcoveff) Vj=decodtabm(j,h,cptcoveff)
        * decodtabm(h,j,cptcoveff)= (((h-1) >> (j-1)) & 1) +1 
        * decodtabm(h,j,cptcoveff)= (h <= (1<<cptcoveff)?(((h-1) >> (j-1)) & 1) +1 : -1)
        * V3=decodtabm(14,3,2**4)=2
        *          h'=13   1101 =2^3+2^2+0x2^1+2^0
        *(h-1) >> (j-1)    0011 =13 >> 2
        *          &1 000000001
        *           = 000000001
        *         +1= 000000010 =2
        *                  2211
        *                  V1=1+1, V2=0+1, V3=1+1, V4=1+1
        *                  V3=2
        */
   
     /* /\* for(h=1; h <=100 ;h++){  *\/ */
     /*   /\* printf("h=%2d ", h); *\/ */
     /*    /\* for(k=1; k <=10; k++){ *\/ */
     /*      /\* printf("k=%d %d ",k,codtabm(h,k)); *\/ */
     /*    /\*   codtab[h][k]=codtabm(h,k); *\/ */
     /*    /\* } *\/ */
     /*    /\* printf("\n"); *\/ */
     /* } */
     /* for(k=1;k<=cptcoveff; k++){ /\* scans any effective covariate *\/ */
     /*   for(i=1; i <=pow(2,cptcoveff-k);i++){ /\* i=1 to 8/1=8; i=1 to 8/2=4; i=1 to 8/8=1 *\/  */
     /*     for(j=1; j <= ncodemax[k]; j++){ /\* For each modality of this covariate ncodemax=2*\/ */
     /*    for(cpt=1; cpt <=pow(2,k-1); cpt++){  /\* cpt=1 to 8/2**(3+1-1 or 3+1-3) =1 or 4 *\/  */
     /*      h++; */
     /*      if (h>m)  */
     /*        h=1; */
     /*      codtab[h][k]=j; */
     /*      /\* codtab[12][3]=1; *\/ */
     /*      /\*codtab[h][Tvar[k]]=j;*\/ */
     /*      /\* printf("h=%d k=%d j=%d codtab[h][k]=%d Tvar[k]=%d codtab[h][Tvar[k]]=%d \n",h, k,j,codtab[h][k],Tvar[k],codtab[h][Tvar[k]]); *\/ */
     /*    }  */
     /*     } */
     /*   } */
     /* }  */
     /* printf("codtab[1][2]=%d codtab[2][2]=%d",codtab[1][2],codtab[2][2]); 
        codtab[1][2]=1;codtab[2][2]=2; */
     /* for(i=1; i <=m ;i++){  */
     /*    for(k=1; k <=cptcovn; k++){ */
     /*      printf("i=%d k=%d %d %d ",i,k,codtab[i][k], cptcoveff); */
     /*    } */
     /*    printf("\n"); */
     /* } */
     /*   scanf("%d",i);*/
   
    free_ivector(Ndum,-1,NCOVMAX);
   
   
       
     /* Initialisation of ----------- gnuplot -------------*/
     strcpy(optionfilegnuplot,optionfilefiname);
     if(mle==-3)
       strcat(optionfilegnuplot,"-MORT_");
     strcat(optionfilegnuplot,".gp");
   
     if((ficgp=fopen(optionfilegnuplot,"w"))==NULL) {
       printf("Problem with file %s",optionfilegnuplot);
     }
     else{
       fprintf(ficgp,"\n# IMaCh-%s\n", version); 
       fprintf(ficgp,"# %s\n", optionfilegnuplot); 
       //fprintf(ficgp,"set missing 'NaNq'\n");
       fprintf(ficgp,"set datafile missing 'NaNq'\n");
     }
     /*  fclose(ficgp);*/
   
   
     /* Initialisation of --------- index.htm --------*/
   
     strcpy(optionfilehtm,optionfilefiname); /* Main html file */
     if(mle==-3)
       strcat(optionfilehtm,"-MORT_");
     strcat(optionfilehtm,".htm");
     if((fichtm=fopen(optionfilehtm,"w"))==NULL)    {
       printf("Problem with %s \n",optionfilehtm);
       exit(0);
     }
   
     strcpy(optionfilehtmcov,optionfilefiname); /* Only for matrix of covariance */
     strcat(optionfilehtmcov,"-cov.htm");
     if((fichtmcov=fopen(optionfilehtmcov,"w"))==NULL)    {
       printf("Problem with %s \n",optionfilehtmcov), exit(0);
     }
     else{
     fprintf(fichtmcov,"<html><head>\n<title>IMaCh Cov %s</title></head>\n <body><font size=\"2\">%s <br> %s</font> \
   <hr size=\"2\" color=\"#EC5E5E\"> \n\
   Title=%s <br>Datafile=%s Firstpass=%d Lastpass=%d Stepm=%d Weight=%d Model=1+age+%s<br>\n",\
             optionfilehtmcov,version,fullversion,title,datafile,firstpass,lastpass,stepm, weightopt, model);
     }
   
     fprintf(fichtm,"<html><head>\n<head>\n<meta charset=\"utf-8\"/><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n<title>IMaCh %s</title></head>\n <body><font size=\"7\"><a href=http:/euroreves.ined.fr/imach>IMaCh for Interpolated Markov Chain</a> </font><br>\n<font size=\"3\">Sponsored by Copyright (C)  2002-2015 <a href=http://www.ined.fr>INED</a>-EUROREVES-Institut de longévité-2013-2016-Japan Society for the Promotion of Sciences 日本学術振興会 (<a href=https://www.jsps.go.jp/english/e-grants/>Grant-in-Aid for Scientific Research 25293121</a>) - <a href=https://software.intel.com/en-us>Intel Software 2015-2018</a></font><br>  \
   <hr size=\"2\" color=\"#EC5E5E\"> \n\
   <font size=\"2\">IMaCh-%s <br> %s</font> \
   <hr size=\"2\" color=\"#EC5E5E\"> \n\
   Title=%s <br>Datafile=%s Firstpass=%d Lastpass=%d Stepm=%d Weight=%d Model=1+age+%s<br>\n\
   \n\
   <hr  size=\"2\" color=\"#EC5E5E\">\
    <ul><li><h4>Parameter files</h4>\n\
    - Parameter file: <a href=\"%s.%s\">%s.%s</a><br>\n\
    - Copy of the parameter file: <a href=\"o%s\">o%s</a><br>\n\
    - Log file of the run: <a href=\"%s\">%s</a><br>\n\
    - Gnuplot file name: <a href=\"%s\">%s</a><br>\n\
    - Date and time at start: %s</ul>\n",\
             optionfilehtm,version,fullversion,title,datafile,firstpass,lastpass,stepm, weightopt, model,\
             optionfilefiname,optionfilext,optionfilefiname,optionfilext,\
             fileres,fileres,\
             filelog,filelog,optionfilegnuplot,optionfilegnuplot,strstart);
     fflush(fichtm);
   
     strcpy(pathr,path);
     strcat(pathr,optionfilefiname);
   #ifdef WIN32
     _chdir(optionfilefiname); /* Move to directory named optionfile */
   #else
     chdir(optionfilefiname); /* Move to directory named optionfile */
   #endif
             
     
     /* Calculates basic frequencies. Computes observed prevalence at single age
        and prints on file fileres'p'. */
     freqsummary(fileres, agemin, agemax, s, agev, nlstate, imx,Tvaraff,nbcode, ncodemax,mint,anint,strstart,\
                 firstpass, lastpass,  stepm,  weightopt, model);
   
     fprintf(fichtm,"\n");
     fprintf(fichtm,"<br>Total number of observations=%d <br>\n\
   Youngest age at first (selected) pass %.2f, oldest age %.2f<br>\n\
   Interval (in months) between two waves: Min=%d Max=%d Mean=%.2lf<br>\n",\
             imx,agemin,agemax,jmin,jmax,jmean);
     pmmij= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */
       oldms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */
       newms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */
       savms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */
       oldm=oldms; newm=newms; savm=savms; /* Keeps fixed addresses to free */
   
     /* For Powell, parameters are in a vector p[] starting at p[1]
        so we point p on param[1][1] so that p[1] maps on param[1][1][1] */
     p=param[1][1]; /* *(*(*(param +1)+1)+0) */
   
     globpr=0; /* To get the number ipmx of contributions and the sum of weights*/
     /* For mortality only */
     if (mle==-3){
       ximort=matrix(1,NDIM,1,NDIM); 
       /*     ximort=gsl_matrix_alloc(1,NDIM,1,NDIM); */
       cens=ivector(1,n);
       ageexmed=vector(1,n);
       agecens=vector(1,n);
       dcwave=ivector(1,n);
    
       for (i=1; i<=imx; i++){
         dcwave[i]=-1;
         for (m=firstpass; m<=lastpass; m++)
                                   if (s[m][i]>nlstate) {
                                           dcwave[i]=m;
                                           /*      printf("i=%d j=%d s=%d dcwave=%d\n",i,j, s[j][i],dcwave[i]);*/
                                           break;
                                   }
       }
                   
       for (i=1; i<=imx; i++) {
         if (wav[i]>0){
                                   ageexmed[i]=agev[mw[1][i]][i];
                                   j=wav[i];
                                   agecens[i]=1.; 
                                   
                                   if (ageexmed[i]> 1 && wav[i] > 0){
                                           agecens[i]=agev[mw[j][i]][i];
                                           cens[i]= 1;
                                   }else if (ageexmed[i]< 1) 
                                           cens[i]= -1;
                                   if (agedc[i]< AGESUP && agedc[i]>1 && dcwave[i]>firstpass && dcwave[i]<=lastpass)
                                           cens[i]=0 ;
         }
         else cens[i]=-1;
       }
       
       for (i=1;i<=NDIM;i++) {
         for (j=1;j<=NDIM;j++)
                                   ximort[i][j]=(i == j ? 1.0 : 0.0);
       }
       
       /*p[1]=0.0268; p[NDIM]=0.083;*/
       /*printf("%lf %lf", p[1], p[2]);*/
       
       
   #ifdef GSL
       printf("GSL optimization\n");  fprintf(ficlog,"Powell\n");
   #else
       printf("Powell\n");  fprintf(ficlog,"Powell\n");
   #endif
       strcpy(filerespow,"POW-MORT_"); 
       strcat(filerespow,fileresu);
       if((ficrespow=fopen(filerespow,"w"))==NULL) {
         printf("Problem with resultfile: %s\n", filerespow);
         fprintf(ficlog,"Problem with resultfile: %s\n", filerespow);
       }
   #ifdef GSL
       fprintf(ficrespow,"# GSL optimization\n# iter -2*LL");
   #else
       fprintf(ficrespow,"# Powell\n# iter -2*LL");
   #endif
       /*  for (i=1;i<=nlstate;i++)
           for(j=1;j<=nlstate+ndeath;j++)
           if(j!=i)fprintf(ficrespow," p%1d%1d",i,j);
       */
       fprintf(ficrespow,"\n");
   #ifdef GSL
       /* gsl starts here */ 
       T = gsl_multimin_fminimizer_nmsimplex;
       gsl_multimin_fminimizer *sfm = NULL;
       gsl_vector *ss, *x;
       gsl_multimin_function minex_func;
   
       /* Initial vertex size vector */
       ss = gsl_vector_alloc (NDIM);
       
       if (ss == NULL){
         GSL_ERROR_VAL ("failed to allocate space for ss", GSL_ENOMEM, 0);
       }
       /* Set all step sizes to 1 */
       gsl_vector_set_all (ss, 0.001);
   
       /* Starting point */
       
       x = gsl_vector_alloc (NDIM);
       
       if (x == NULL){
         gsl_vector_free(ss);
         GSL_ERROR_VAL ("failed to allocate space for x", GSL_ENOMEM, 0);
       }
     
       /* Initialize method and iterate */
       /*     p[1]=0.0268; p[NDIM]=0.083; */
       /*     gsl_vector_set(x, 0, 0.0268); */
       /*     gsl_vector_set(x, 1, 0.083); */
       gsl_vector_set(x, 0, p[1]);
       gsl_vector_set(x, 1, p[2]);
   
       minex_func.f = &gompertz_f;
       minex_func.n = NDIM;
       minex_func.params = (void *)&p; /* ??? */
       
       sfm = gsl_multimin_fminimizer_alloc (T, NDIM);
       gsl_multimin_fminimizer_set (sfm, &minex_func, x, ss);
       
       printf("Iterations beginning .....\n\n");
       printf("Iter. #    Intercept       Slope     -Log Likelihood     Simplex size\n");
   
       iteri=0;
       while (rval == GSL_CONTINUE){
         iteri++;
         status = gsl_multimin_fminimizer_iterate(sfm);
         
         if (status) printf("error: %s\n", gsl_strerror (status));
         fflush(0);
         
         if (status) 
           break;
         
         rval = gsl_multimin_test_size (gsl_multimin_fminimizer_size (sfm), 1e-6);
         ssval = gsl_multimin_fminimizer_size (sfm);
         
         if (rval == GSL_SUCCESS)
           printf ("converged to a local maximum at\n");
         
         printf("%5d ", iteri);
         for (it = 0; it < NDIM; it++){
           printf ("%10.5f ", gsl_vector_get (sfm->x, it));
         }
         printf("f() = %-10.5f ssize = %.7f\n", sfm->fval, ssval);
       }
       
       printf("\n\n Please note: Program should be run many times with varying starting points to detemine global maximum\n\n");
       
       gsl_vector_free(x); /* initial values */
       gsl_vector_free(ss); /* inital step size */
       for (it=0; it<NDIM; it++){
         p[it+1]=gsl_vector_get(sfm->x,it);
         fprintf(ficrespow," %.12lf", p[it]);
       }
       gsl_multimin_fminimizer_free (sfm); /* p *(sfm.x.data) et p *(sfm.x.data+1)  */
   #endif
   #ifdef POWELL
        powell(p,ximort,NDIM,ftol,&iter,&fret,gompertz);
   #endif  
       fclose(ficrespow);
       
       hesscov(matcov, hess, p, NDIM, delti, 1e-4, gompertz); 
   
       for(i=1; i <=NDIM; i++)
         for(j=i+1;j<=NDIM;j++)
           matcov[i][j]=matcov[j][i];
       
       printf("\nCovariance matrix\n ");
       fprintf(ficlog,"\nCovariance matrix\n ");
       for(i=1; i <=NDIM; i++) {
         for(j=1;j<=NDIM;j++){ 
           printf("%f ",matcov[i][j]);
           fprintf(ficlog,"%f ",matcov[i][j]);
         }
         printf("\n ");  fprintf(ficlog,"\n ");
       }
       
       printf("iter=%d MLE=%f Eq=%lf*exp(%lf*(age-%d))\n",iter,-gompertz(p),p[1],p[2],agegomp);
       for (i=1;i<=NDIM;i++) {
         printf("%f [%f ; %f]\n",p[i],p[i]-2*sqrt(matcov[i][i]),p[i]+2*sqrt(matcov[i][i]));
         fprintf(ficlog,"%f [%f ; %f]\n",p[i],p[i]-2*sqrt(matcov[i][i]),p[i]+2*sqrt(matcov[i][i]));
       }
       lsurv=vector(1,AGESUP);
       lpop=vector(1,AGESUP);
       tpop=vector(1,AGESUP);
       lsurv[agegomp]=100000;
       
       for (k=agegomp;k<=AGESUP;k++) {
         agemortsup=k;
         if (p[1]*exp(p[2]*(k-agegomp))>1) break;
       }
       
       for (k=agegomp;k<agemortsup;k++)
         lsurv[k+1]=lsurv[k]-lsurv[k]*(p[1]*exp(p[2]*(k-agegomp)));
       
       for (k=agegomp;k<agemortsup;k++){
         lpop[k]=(lsurv[k]+lsurv[k+1])/2.;
         sumlpop=sumlpop+lpop[k];
       }
       
       tpop[agegomp]=sumlpop;
       for (k=agegomp;k<(agemortsup-3);k++){
         /*  tpop[k+1]=2;*/
         tpop[k+1]=tpop[k]-lpop[k];
       }
       
       
       printf("\nAge   lx     qx    dx    Lx     Tx     e(x)\n");
       for (k=agegomp;k<(agemortsup-2);k++) 
         printf("%d %.0lf %lf %.0lf %.0lf %.0lf %lf\n",k,lsurv[k],p[1]*exp(p[2]*(k-agegomp)),(p[1]*exp(p[2]*(k-agegomp)))*lsurv[k],lpop[k],tpop[k],tpop[k]/lsurv[k]);
       
       
       replace_back_to_slash(pathc,pathcd); /* Even gnuplot wants a / */
       if(ageminpar == AGEOVERFLOW ||agemaxpar == AGEOVERFLOW){
           printf("Warning! Error in gnuplot file with ageminpar %f or agemaxpar %f overflow\n\
   This is probably because your parameter file doesn't \n  contain the exact number of lines (or columns) corresponding to your model line.\n\
   Please run with mle=-1 to get a correct covariance matrix.\n",ageminpar,agemaxpar);
           fprintf(ficlog,"Warning! Error in gnuplot file with ageminpar %f or agemaxpar %f overflow\n\
   This is probably because your parameter file doesn't \n  contain the exact number of lines (or columns) corresponding to your model line.\n\
   Please run with mle=-1 to get a correct covariance matrix.\n",ageminpar,agemaxpar);
       }else
         printinggnuplotmort(fileresu, optionfilefiname,ageminpar,agemaxpar,fage, pathc,p);
       printinghtmlmort(fileresu,title,datafile, firstpass, lastpass, \
                        stepm, weightopt,\
                        model,imx,p,matcov,agemortsup);
       
       free_vector(lsurv,1,AGESUP);
       free_vector(lpop,1,AGESUP);
       free_vector(tpop,1,AGESUP);
   #ifdef GSL
       free_ivector(cens,1,n);
       free_vector(agecens,1,n);
       free_ivector(dcwave,1,n);
       free_matrix(ximort,1,NDIM,1,NDIM);
   #endif
     } /* Endof if mle==-3 mortality only */
     /* Standard  */
     else{ /* For mle !=- 3, could be 0 or 1 or 4 etc. */
       globpr=0;/* Computes sum of likelihood for globpr=1 and funcone */
       /* Computes likelihood for initial parameters, uses funcone to compute gpimx and gsw */
       likelione(ficres, p, npar, nlstate, &globpr, &ipmx, &sw, &fretone, funcone); /* Prints the contributions to the likelihood */
       printf("First Likeli=%12.6f ipmx=%ld sw=%12.6f",fretone,ipmx,sw);
       for (k=1; k<=npar;k++)
         printf(" %d %8.5f",k,p[k]);
       printf("\n");
       if(mle>=1){ /* Could be 1 or 2, Real Maximization */
         /* mlikeli uses func not funcone */
         mlikeli(ficres,p, npar, ncovmodel, nlstate, ftol, func);
       }
       if(mle==0) {/* No optimization, will print the likelihoods for the datafile */
         globpr=0;/* Computes sum of likelihood for globpr=1 and funcone */
         /* Computes likelihood for initial parameters, uses funcone to compute gpimx and gsw */
         likelione(ficres, p, npar, nlstate, &globpr, &ipmx, &sw, &fretone, funcone); /* Prints the contributions to the likelihood */
       }
       globpr=1; /* again, to print the individual contributions using computed gpimx and gsw */
       likelione(ficres, p, npar, nlstate, &globpr, &ipmx, &sw, &fretone, funcone); /* Prints the contributions to the likelihood */
       printf("Second Likeli=%12.6f ipmx=%ld sw=%12.6f",fretone,ipmx,sw);
       for (k=1; k<=npar;k++)
         printf(" %d %8.5f",k,p[k]);
       printf("\n");
       
       /*--------- results files --------------*/
       fprintf(ficres,"title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\nftol=%e stepm=%d ncovcol=%d nlstate=%d ndeath=%d maxwav=%d mle= 0 weight=%d\nmodel=1+age+%s.\n", title, datafile, lastobs, firstpass,lastpass,ftol, stepm, ncovcol, nlstate, ndeath, maxwav, weightopt,model);
       
       
       fprintf(ficres,"# Parameters nlstate*nlstate*ncov a12*1 + b12 * age + ...\n");
       printf("# Parameters nlstate*nlstate*ncov a12*1 + b12 * age + ...\n");
       fprintf(ficlog,"# Parameters nlstate*nlstate*ncov a12*1 + b12 * age + ...\n");
       for(i=1,jk=1; i <=nlstate; i++){
         for(k=1; k <=(nlstate+ndeath); k++){
           if (k != i) {
             printf("%d%d ",i,k);
             fprintf(ficlog,"%d%d ",i,k);
             fprintf(ficres,"%1d%1d ",i,k);
             for(j=1; j <=ncovmodel; j++){
               printf("%12.7f ",p[jk]);
               fprintf(ficlog,"%12.7f ",p[jk]);
               fprintf(ficres,"%12.7f ",p[jk]);
               jk++; 
             }
             printf("\n");
             fprintf(ficlog,"\n");
             fprintf(ficres,"\n");
           }
         }
       }
       if(mle != 0){
         /* Computing hessian and covariance matrix only at a peak of the Likelihood, that is after optimization */
         ftolhess=ftol; /* Usually correct */
         hesscov(matcov, hess, p, npar, delti, ftolhess, func);
         printf("Parameters and 95%% confidence intervals\n W is simply the result of the division of the parameter by the square root of covariance of the parameter.\n And Wald-based confidence intervals plus and minus 1.96 * W .\n But be careful that parameters are highly correlated because incidence of disability is highly correlated to incidence of recovery.\n It might be better to visualize the covariance matrix. See the page 'Matrix of variance-covariance of one-step probabilities' and its graphs.\n");
         fprintf(ficlog, "Parameters, Wald tests and Wald-based confidence intervals\n W is simply the result of the division of the parameter by the square root of covariance of the parameter.\n And Wald-based confidence intervals plus and minus 1.96 * W \n  It might be better to visualize the covariance matrix. See the page 'Matrix of variance-covariance of one-step probabilities' and its graphs.\n");
         for(i=1,jk=1; i <=nlstate; i++){
           for(k=1; k <=(nlstate+ndeath); k++){
             if (k != i) {
               printf("%d%d ",i,k);
               fprintf(ficlog,"%d%d ",i,k);
               for(j=1; j <=ncovmodel; j++){
                 printf("%12.7f W=%8.3f CI=[%12.7f ; %12.7f] ",p[jk], p[jk]/sqrt(matcov[jk][jk]), p[jk]-1.96*sqrt(matcov[jk][jk]),p[jk]+1.96*sqrt(matcov[jk][jk]));
                 fprintf(ficlog,"%12.7f W=%8.3f CI=[%12.7f ; %12.7f] ",p[jk], p[jk]/sqrt(matcov[jk][jk]), p[jk]-1.96*sqrt(matcov[jk][jk]),p[jk]+1.96*sqrt(matcov[jk][jk]));
                 jk++; 
               }
               printf("\n");
               fprintf(ficlog,"\n");
             }
           }
         }
       } /* end of hesscov and Wald tests */
   
       /*  */
       fprintf(ficres,"# Scales (for hessian or gradient estimation)\n");
       printf("# Scales (for hessian or gradient estimation)\n");
       fprintf(ficlog,"# Scales (for hessian or gradient estimation)\n");
       for(i=1,jk=1; i <=nlstate; i++){
         for(j=1; j <=nlstate+ndeath; j++){
           if (j!=i) {
             fprintf(ficres,"%1d%1d",i,j);
             printf("%1d%1d",i,j);
             fprintf(ficlog,"%1d%1d",i,j);
             for(k=1; k<=ncovmodel;k++){
               printf(" %.5e",delti[jk]);
               fprintf(ficlog," %.5e",delti[jk]);
               fprintf(ficres," %.5e",delti[jk]);
               jk++;
             }
             printf("\n");
             fprintf(ficlog,"\n");
             fprintf(ficres,"\n");
           }
         }
       }
       
       fprintf(ficres,"# Covariance matrix \n# 121 Var(a12)\n# 122 Cov(b12,a12) Var(b12)\n#   ...\n# 232 Cov(b23,a12)  Cov(b23,b12) ... Var (b23)\n");
       if(mle >= 1) /* To big for the screen */
         printf("# Covariance matrix \n# 121 Var(a12)\n# 122 Cov(b12,a12) Var(b12)\n#   ...\n# 232 Cov(b23,a12)  Cov(b23,b12) ... Var (b23)\n");
       fprintf(ficlog,"# Covariance matrix \n# 121 Var(a12)\n# 122 Cov(b12,a12) Var(b12)\n#   ...\n# 232 Cov(b23,a12)  Cov(b23,b12) ... Var (b23)\n");
       /* # 121 Var(a12)\n\ */
       /* # 122 Cov(b12,a12) Var(b12)\n\ */
       /* # 131 Cov(a13,a12) Cov(a13,b12, Var(a13)\n\ */
       /* # 132 Cov(b13,a12) Cov(b13,b12, Cov(b13,a13) Var(b13)\n\ */
       /* # 212 Cov(a21,a12) Cov(a21,b12, Cov(a21,a13) Cov(a21,b13) Var(a21)\n\ */
       /* # 212 Cov(b21,a12) Cov(b21,b12, Cov(b21,a13) Cov(b21,b13) Cov(b21,a21) Var(b21)\n\ */
       /* # 232 Cov(a23,a12) Cov(a23,b12, Cov(a23,a13) Cov(a23,b13) Cov(a23,a21) Cov(a23,b21) Var(a23)\n\ */
       /* # 232 Cov(b23,a12) Cov(b23,b12) ... Var (b23)\n" */
       
       
       /* Just to have a covariance matrix which will be more understandable
          even is we still don't want to manage dictionary of variables
       */
       for(itimes=1;itimes<=2;itimes++){
         jj=0;
         for(i=1; i <=nlstate; i++){
           for(j=1; j <=nlstate+ndeath; j++){
             if(j==i) continue;
             for(k=1; k<=ncovmodel;k++){
               jj++;
               ca[0]= k+'a'-1;ca[1]='\0';
               if(itimes==1){
                 if(mle>=1)
                   printf("#%1d%1d%d",i,j,k);
                 fprintf(ficlog,"#%1d%1d%d",i,j,k);
                 fprintf(ficres,"#%1d%1d%d",i,j,k);
               }else{
                 if(mle>=1)
                   printf("%1d%1d%d",i,j,k);
                 fprintf(ficlog,"%1d%1d%d",i,j,k);
                 fprintf(ficres,"%1d%1d%d",i,j,k);
               }
               ll=0;
               for(li=1;li <=nlstate; li++){
                 for(lj=1;lj <=nlstate+ndeath; lj++){
                   if(lj==li) continue;
                   for(lk=1;lk<=ncovmodel;lk++){
                     ll++;
                     if(ll<=jj){
                       cb[0]= lk +'a'-1;cb[1]='\0';
                       if(ll<jj){
                         if(itimes==1){
                           if(mle>=1)
                             printf(" Cov(%s%1d%1d,%s%1d%1d)",ca,i,j,cb, li,lj);
                           fprintf(ficlog," Cov(%s%1d%1d,%s%1d%1d)",ca,i,j,cb, li,lj);
                           fprintf(ficres," Cov(%s%1d%1d,%s%1d%1d)",ca,i,j,cb, li,lj);
                         }else{
                           if(mle>=1)
                             printf(" %.5e",matcov[jj][ll]); 
                           fprintf(ficlog," %.5e",matcov[jj][ll]); 
                           fprintf(ficres," %.5e",matcov[jj][ll]); 
                         }
                       }else{
                         if(itimes==1){
                           if(mle>=1)
                             printf(" Var(%s%1d%1d)",ca,i,j);
                           fprintf(ficlog," Var(%s%1d%1d)",ca,i,j);
                           fprintf(ficres," Var(%s%1d%1d)",ca,i,j);
                         }else{
                           if(mle>=1)
                             printf(" %.7e",matcov[jj][ll]); 
                           fprintf(ficlog," %.7e",matcov[jj][ll]); 
                           fprintf(ficres," %.7e",matcov[jj][ll]); 
                         }
                       }
                     }
                   } /* end lk */
                 } /* end lj */
               } /* end li */
               if(mle>=1)
                 printf("\n");
               fprintf(ficlog,"\n");
               fprintf(ficres,"\n");
               numlinepar++;
             } /* end k*/
           } /*end j */
         } /* end i */
       } /* end itimes */
       
       fflush(ficlog);
       fflush(ficres);
         while(fgets(line, MAXLINE, ficpar)) {
       /* If line starts with a # it is a comment */
       if (line[0] == '#') {
         numlinepar++;
         fputs(line,stdout);
         fputs(line,ficparo);
         fputs(line,ficlog);
         continue;
       }else
         break;
     }
   
       /* while((c=getc(ficpar))=='#' && c!= EOF){ */
       /*   ungetc(c,ficpar); */
       /*   fgets(line, MAXLINE, ficpar); */
       /*   fputs(line,stdout); */
       /*   fputs(line,ficparo); */
       /* } */
       /* ungetc(c,ficpar); */
       
       estepm=0;
       if((num_filled=sscanf(line,"agemin=%lf agemax=%lf bage=%lf fage=%lf estepm=%d ftolpl=%lf\n",&ageminpar,&agemaxpar, &bage, &fage, &estepm, &ftolpl)) !=EOF){
   
       if (num_filled != 6) {
         printf("Not 6 parameters in line, for example:agemin=60 agemax=95 bage=55 fage=95 estepm=24 ftolpl=6e-4\n");
         printf("but line=%s\n",line);
         goto end;
       }
       printf("agemin=%lf agemax=%lf bage=%lf fage=%lf estepm=%d ftolpl=%lf\n",ageminpar,agemaxpar, bage, fage, estepm, ftolpl);
     }
     /* ftolpl=6*ftol*1.e5; /\* 6.e-3 make convergences in less than 80 loops for the prevalence limit *\/ */
     /*ftolpl=6.e-4;*/ /* 6.e-3 make convergences in less than 80 loops for the prevalence limit */
   
       /* fscanf(ficpar,"agemin=%lf agemax=%lf bage=%lf fage=%lf estepm=%d ftolpl=%\n",&ageminpar,&agemaxpar, &bage, &fage, &estepm); */
       if (estepm==0 || estepm < stepm) estepm=stepm;
       if (fage <= 2) {
         bage = ageminpar;
         fage = agemaxpar;
       }
       
       fprintf(ficres,"# agemin agemax for life expectancy, bage fage (if mle==0 ie no data nor Max likelihood).\n");
       fprintf(ficres,"agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f estepm=%d ftolpl=%e\n",ageminpar,agemaxpar,bage,fage, estepm, ftolpl);
       fprintf(ficparo,"agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f estepm=%d, ftolpl=%e\n",ageminpar,agemaxpar,bage,fage, estepm, ftolpl);
   
       /* Other stuffs, more or less useful */    
       while((c=getc(ficpar))=='#' && c!= EOF){
         ungetc(c,ficpar);
         fgets(line, MAXLINE, ficpar);
         fputs(line,stdout);
         fputs(line,ficparo);
       }
       ungetc(c,ficpar);
       
       fscanf(ficpar,"begin-prev-date=%lf/%lf/%lf end-prev-date=%lf/%lf/%lf mov_average=%d\n",&jprev1, &mprev1,&anprev1,&jprev2, &mprev2,&anprev2,&mobilav);
       fprintf(ficparo,"begin-prev-date=%.lf/%.lf/%.lf end-prev-date=%.lf/%.lf/%.lf mov_average=%d\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2,mobilav);
       fprintf(ficres,"begin-prev-date=%.lf/%.lf/%.lf end-prev-date=%.lf/%.lf/%.lf mov_average=%d\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2,mobilav);
       printf("begin-prev-date=%.lf/%.lf/%.lf end-prev-date=%.lf/%.lf/%.lf mov_average=%d\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2,mobilav);
       fprintf(ficlog,"begin-prev-date=%.lf/%.lf/%.lf end-prev-date=%.lf/%.lf/%.lf mov_average=%d\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2,mobilav);
       
       while((c=getc(ficpar))=='#' && c!= EOF){
         ungetc(c,ficpar);
         fgets(line, MAXLINE, ficpar);
         fputs(line,stdout);
         fputs(line,ficparo);
       }
       ungetc(c,ficpar);
       
       
       dateprev1=anprev1+(mprev1-1)/12.+(jprev1-1)/365.;
       dateprev2=anprev2+(mprev2-1)/12.+(jprev2-1)/365.;
       
       fscanf(ficpar,"pop_based=%d\n",&popbased);
       fprintf(ficlog,"pop_based=%d\n",popbased);
       fprintf(ficparo,"pop_based=%d\n",popbased);   
       fprintf(ficres,"pop_based=%d\n",popbased);   
       
       while((c=getc(ficpar))=='#' && c!= EOF){
         ungetc(c,ficpar);
         fgets(line, MAXLINE, ficpar);
         fputs(line,stdout);
         fputs(line,ficparo);
       }
       ungetc(c,ficpar);
       
       fscanf(ficpar,"prevforecast=%d starting-proj-date=%lf/%lf/%lf final-proj-date=%lf/%lf/%lf mobil_average=%d\n",&prevfcast,&jproj1,&mproj1,&anproj1,&jproj2,&mproj2,&anproj2,&mobilavproj);
       fprintf(ficparo,"prevforecast=%d starting-proj-date=%.lf/%.lf/%.lf final-proj-date=%.lf/%.lf/%.lf mobil_average=%d\n",prevfcast,jproj1,mproj1,anproj1,jproj2,mproj2,anproj2,mobilavproj);
       printf("prevforecast=%d starting-proj-date=%.lf/%.lf/%.lf final-proj-date=%.lf/%.lf/%.lf mobil_average=%d\n",prevfcast,jproj1,mproj1,anproj1,jproj2,mproj2,anproj2,mobilavproj);
       fprintf(ficlog,"prevforecast=%d starting-proj-date=%.lf/%.lf/%.lf final-proj-date=%.lf/%.lf/%.lf mobil_average=%d\n",prevfcast,jproj1,mproj1,anproj1,jproj2,mproj2,anproj2,mobilavproj);
       fprintf(ficres,"prevforecast=%d starting-proj-date=%.lf/%.lf/%.lf final-proj-date=%.lf/%.lf/%.lf mobil_average=%d\n",prevfcast,jproj1,mproj1,anproj1,jproj2,mproj2,anproj2,mobilavproj);
       /* day and month of proj2 are not used but only year anproj2.*/
       
       while((c=getc(ficpar))=='#' && c!= EOF){
         ungetc(c,ficpar);
         fgets(line, MAXLINE, ficpar);
         fputs(line,stdout);
         fputs(line,ficparo);
       }
       ungetc(c,ficpar);
       
       fscanf(ficpar,"backcast=%d starting-back-date=%lf/%lf/%lf final-back-date=%lf/%lf/%lf mobil_average=%d\n",&backcast,&jback1,&mback1,&anback1,&jback2,&mback2,&anback2,&mobilavproj);
       fscanf(ficparo,"backcast=%d starting-back-date=%lf/%lf/%lf final-back-date=%lf/%lf/%lf mobil_average=%d\n",&backcast,&jback1,&mback1,&anback1,&jback2,&mback2,&anback2,&mobilavproj);
       fscanf(ficlog,"backcast=%d starting-back-date=%lf/%lf/%lf final-back-date=%lf/%lf/%lf mobil_average=%d\n",&backcast,&jback1,&mback1,&anback1,&jback2,&mback2,&anback2,&mobilavproj);
       fscanf(ficres,"backcast=%d starting-back-date=%lf/%lf/%lf final-back-date=%lf/%lf/%lf mobil_average=%d\n",&backcast,&jback1,&mback1,&anback1,&jback2,&mback2,&anback2,&mobilavproj);
       /* day and month of proj2 are not used but only year anproj2.*/
       
       
        /* freqsummary(fileres, agemin, agemax, s, agev, nlstate, imx,Tvaraff,nbcode, ncodemax,mint,anint); */
       /* ,dateprev1,dateprev2,jprev1, mprev1,anprev1,jprev2, mprev2,anprev2); */
       
       replace_back_to_slash(pathc,pathcd); /* Even gnuplot wants a / */
       if(ageminpar == AGEOVERFLOW ||agemaxpar == -AGEOVERFLOW){
           printf("Warning! Error in gnuplot file with ageminpar %f or agemaxpar %f overflow\n\
   This is probably because your parameter file doesn't \n  contain the exact number of lines (or columns) corresponding to your model line.\n\
   Please run with mle=-1 to get a correct covariance matrix.\n",ageminpar,agemaxpar);
           fprintf(ficlog,"Warning! Error in gnuplot file with ageminpar %f or agemaxpar %f overflow\n\
   This is probably because your parameter file doesn't \n  contain the exact number of lines (or columns) corresponding to your model line.\n\
   Please run with mle=-1 to get a correct covariance matrix.\n",ageminpar,agemaxpar);
       }else
         printinggnuplot(fileresu, optionfilefiname,ageminpar,agemaxpar,fage, prevfcast, backcast, pathc,p);
       
       printinghtml(fileresu,title,datafile, firstpass, lastpass, stepm, weightopt,\
                    model,imx,jmin,jmax,jmean,rfileres,popforecast,prevfcast,backcast, estepm, \
                    jprev1,mprev1,anprev1,dateprev1,jprev2,mprev2,anprev2,dateprev2);
         
      /*------------ free_vector  -------------*/
      /*  chdir(path); */
    
       /* free_ivector(wav,1,imx); */  /* Moved after last prevalence call */
       /* free_imatrix(dh,1,lastpass-firstpass+2,1,imx); */
       /* free_imatrix(bh,1,lastpass-firstpass+2,1,imx); */
       /* free_imatrix(mw,1,lastpass-firstpass+2,1,imx);    */
       free_lvector(num,1,n);
       free_vector(agedc,1,n);
       /*free_matrix(covar,0,NCOVMAX,1,n);*/
       /*free_matrix(covar,1,NCOVMAX,1,n);*/
       fclose(ficparo);
       fclose(ficres);
   
   
       /* Other results (useful)*/
   
   
       /*--------------- Prevalence limit  (period or stable prevalence) --------------*/
       /*#include "prevlim.h"*/  /* Use ficrespl, ficlog */
       prlim=matrix(1,nlstate,1,nlstate);
       prevalence_limit(p, prlim,  ageminpar, agemaxpar, ftolpl, &ncvyear);
       fclose(ficrespl);
   
       /*------------- h Pij x at various ages ------------*/
       /*#include "hpijx.h"*/
       hPijx(p, bage, fage);
       fclose(ficrespij);
   
                   ncovcombmax=  pow(2,cptcoveff);
     /*-------------- Variance of one-step probabilities---*/
       k=1;
       varprob(optionfilefiname, matcov, p, delti, nlstate, bage, fage,k,Tvar,nbcode, ncodemax,strstart);
   
                   /* Prevalence for each covariates in probs[age][status][cov] */
       probs= ma3x(1,AGESUP,1,nlstate+ndeath, 1,ncovcombmax);
       for(i=1;i<=AGESUP;i++)
         for(j=1;j<=nlstate;j++)
                                   for(k=1;k<=ncovcombmax;k++)
                                           probs[i][j][k]=0.;
                   prevalence(probs, ageminpar, agemaxpar, s, agev, nlstate, imx, Tvar, nbcode, ncodemax, mint, anint, dateprev1, dateprev2, firstpass, lastpass);
                   if (mobilav!=0 ||mobilavproj !=0 ) {
                           mobaverage= ma3x(1, AGESUP,1,nlstate+ndeath, 1,ncovcombmax);
                           if (mobilav!=0) {
                                   if (movingaverage(probs, ageminpar, agemaxpar, mobaverage, mobilav)!=0){
                                           fprintf(ficlog," Error in movingaverage mobilav=%d\n",mobilav);
                                           printf(" Error in movingaverage mobilav=%d\n",mobilav);
                                   }
                           }
                           /* /\* Prevalence for each covariates in probs[age][status][cov] *\/ */
                           /* prevalence(probs, ageminpar, agemaxpar, s, agev, nlstate, imx, Tvar, nbcode, ncodemax, mint, anint, dateprev1, dateprev2, firstpass, lastpass); */
                           else if (mobilavproj !=0) {
                                   if (movingaverage(probs, ageminpar, agemaxpar, mobaverage, mobilavproj)!=0){
                                           fprintf(ficlog," Error in movingaverage mobilavproj=%d\n",mobilavproj);
                                           printf(" Error in movingaverage mobilavproj=%d\n",mobilavproj);
                                   }
                           }
                   }/* end if moving average */
   
       /*---------- Forecasting ------------------*/
       /*if((stepm == 1) && (strcmp(model,".")==0)){*/
       if(prevfcast==1){
         /*    if(stepm ==1){*/
         prevforecast(fileresu, anproj1, mproj1, jproj1, agemin, agemax, dateprev1, dateprev2, mobilavproj, bage, fage, firstpass, lastpass, anproj2, p, cptcoveff);
       }
       if(backcast==1){
                   ddnewms=matrix(1,nlstate+ndeath,1,nlstate+ndeath);      
                   ddoldms=matrix(1,nlstate+ndeath,1,nlstate+ndeath);      
                   ddsavms=matrix(1,nlstate+ndeath,1,nlstate+ndeath);
   
                           /*--------------- Back Prevalence limit  (period or stable prevalence) --------------*/
                           /*#include "prevlim.h"*/  /* Use ficresplb, ficlog */
                           bprlim=matrix(1,nlstate,1,nlstate);
                           back_prevalence_limit(p, bprlim,  ageminpar, agemaxpar, ftolpl, &ncvyear, dateprev1, dateprev2, firstpass, lastpass, mobilavproj);
                           fclose(ficresplb);
   
                           hBijx(p, bage, fage, mobaverage);
                           fclose(ficrespijb);
                           free_matrix(bprlim,1,nlstate,1,nlstate); /*here or after loop ? */
   
         /* prevbackforecast(fileresu, anback1, mback1, jback1, agemin, agemax, dateprev1, dateprev2, mobilavproj, bage, fage, firstpass, lastpass, anback2, p, cptcoveff); */
                           free_matrix(ddnewms, 1, nlstate+ndeath, 1, nlstate+ndeath);
                           free_matrix(ddsavms, 1, nlstate+ndeath, 1, nlstate+ndeath);
                           free_matrix(ddoldms, 1, nlstate+ndeath, 1, nlstate+ndeath);
                   }
     /* if (mobilav!=0) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX); */
     /* if (mobilavproj!=0) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX); */
   
       /* (popforecast==1) populforecast(fileres, anpyram,mpyram,jpyram, agemin,agemax, dateprev1, dateprev2,mobilav, agedeb, fage, popforecast, popfile, anpyram1,p, i1);*/
       /*      }  */
       /*      else{ */
       /*        erreur=108; */
       /*        printf("Warning %d!! You can only forecast the prevalences if the optimization\n  has been performed with stepm = 1 (month) instead of %d or model=. instead of '%s'\n", erreur, stepm, model); */
       /*        fprintf(ficlog,"Warning %d!! You can only forecast the prevalences if the optimization\n  has been performed with stepm = 1 (month) instead of %d or model=. instead of '%s'\n", erreur, stepm, model); */
       /*      } */
       
    
       /* ------ Other prevalence ratios------------ */
   
       /* Computes prevalence between agemin (i.e minimal age computed) and no more ageminpar */
   
       /* prevalence(probs, agemin, agemax, s, agev, nlstate, imx, Tvar, nbcode, ncodemax, mint, anint, dateprev1, dateprev2, firstpass, lastpass); */
       /*  printf("ageminpar=%f, agemax=%f, s[lastpass][imx]=%d, agev[lastpass][imx]=%f, nlstate=%d, imx=%d,  mint[lastpass][imx]=%f, anint[lastpass][imx]=%f,dateprev1=%f, dateprev2=%f, firstpass=%d, lastpass=%d\n",\
           ageminpar, agemax, s[lastpass][imx], agev[lastpass][imx], nlstate, imx, mint[lastpass][imx],anint[lastpass][imx], dateprev1, dateprev2, firstpass, lastpass);
       */
       free_ivector(wav,1,imx);
       free_imatrix(dh,1,lastpass-firstpass+2,1,imx);
       free_imatrix(bh,1,lastpass-firstpass+2,1,imx);
       free_imatrix(mw,1,lastpass-firstpass+2,1,imx);   
                   
                   
                   /*   if (mobilav!=0) { */
                   /*     mobaverage= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX); */
                   /*     if (movingaverage(probs, bage, fage, mobaverage,mobilav)!=0){ */
                   /* fprintf(ficlog," Error in movingaverage mobilav=%d\n",mobilav); */
                   /* printf(" Error in movingaverage mobilav=%d\n",mobilav); */
                   /*     } */
                   /*   } */
                   
                   
       /*---------- Health expectancies, no variances ------------*/
                   
       strcpy(filerese,"E_");
       strcat(filerese,fileresu);
       if((ficreseij=fopen(filerese,"w"))==NULL) {
         printf("Problem with Health Exp. resultfile: %s\n", filerese); exit(0);
         fprintf(ficlog,"Problem with Health Exp. resultfile: %s\n", filerese); exit(0);
       }
       printf("Computing Health Expectancies: result on file '%s' ...", filerese);fflush(stdout);
       fprintf(ficlog,"Computing Health Expectancies: result on file '%s' ...", filerese);fflush(ficlog);
       /*for(cptcov=1,k=0;cptcov<=i1;cptcov++){
         for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){*/
                   
       for (k=1; k <= (int) pow(2,cptcoveff); k++){
                           fprintf(ficreseij,"\n#****** ");
                           for(j=1;j<=cptcoveff;j++) {
                                   fprintf(ficreseij,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
                           }
                           fprintf(ficreseij,"******\n");
                           
                           eij=ma3x(1,nlstate,1,nlstate,(int) bage, (int) fage);
                           oldm=oldms;savm=savms;
                           evsij(eij, p, nlstate, stepm, (int) bage, (int)fage, oldm, savm, k, estepm, strstart);  
         
                           free_ma3x(eij,1,nlstate,1,nlstate,(int) bage, (int)fage);
         /*}*/
       }
       fclose(ficreseij);
       printf("done evsij\n");fflush(stdout);
       fprintf(ficlog,"done evsij\n");fflush(ficlog);
                   
       /*---------- Health expectancies and variances ------------*/
                   
                   
       strcpy(filerest,"T_");
       strcat(filerest,fileresu);
       if((ficrest=fopen(filerest,"w"))==NULL) {
         printf("Problem with total LE resultfile: %s\n", filerest);goto end;
         fprintf(ficlog,"Problem with total LE resultfile: %s\n", filerest);goto end;
       }
       printf("Computing Total Life expectancies with their standard errors: file '%s' ...\n", filerest); fflush(stdout);
       fprintf(ficlog,"Computing Total Life expectancies with their standard errors: file '%s' ...\n", filerest); fflush(ficlog);
                   
   
       strcpy(fileresstde,"STDE_");
       strcat(fileresstde,fileresu);
       if((ficresstdeij=fopen(fileresstde,"w"))==NULL) {
         printf("Problem with Health Exp. and std errors resultfile: %s\n", fileresstde); exit(0);
         fprintf(ficlog,"Problem with Health Exp. and std errors resultfile: %s\n", fileresstde); exit(0);
       }
       printf("  Computing Health Expectancies and standard errors: result on file '%s' \n", fileresstde);
       fprintf(ficlog,"  Computing Health Expectancies and standard errors: result on file '%s' \n", fileresstde);
   
       strcpy(filerescve,"CVE_");
       strcat(filerescve,fileresu);
       if((ficrescveij=fopen(filerescve,"w"))==NULL) {
         printf("Problem with Covar. Health Exp. resultfile: %s\n", filerescve); exit(0);
         fprintf(ficlog,"Problem with Covar. Health Exp. resultfile: %s\n", filerescve); exit(0);
       }
       printf("    Computing Covar. of Health Expectancies: result on file '%s' \n", filerescve);
       fprintf(ficlog,"    Computing Covar. of Health Expectancies: result on file '%s' \n", filerescve);
   
       strcpy(fileresv,"V_");
       strcat(fileresv,fileresu);
       if((ficresvij=fopen(fileresv,"w"))==NULL) {
         printf("Problem with variance resultfile: %s\n", fileresv);exit(0);
         fprintf(ficlog,"Problem with variance resultfile: %s\n", fileresv);exit(0);
       }
       printf("      Computing Variance-covariance of DFLEs: file '%s' ... ", fileresv);fflush(stdout);
       fprintf(ficlog,"      Computing Variance-covariance of DFLEs: file '%s' ... ", fileresv);fflush(ficlog);
   
       /*for(cptcov=1,k=0;cptcov<=i1;cptcov++){
         for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){*/
             
       for (k=1; k <= (int) pow(2,cptcoveff); k++){
         fprintf(ficrest,"\n#****** ");
         for(j=1;j<=cptcoveff;j++) 
                                   fprintf(ficrest,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
         fprintf(ficrest,"******\n");
         
         fprintf(ficresstdeij,"\n#****** ");
         fprintf(ficrescveij,"\n#****** ");
         for(j=1;j<=cptcoveff;j++) {
                                   fprintf(ficresstdeij,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
                                   fprintf(ficrescveij,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
         }
         fprintf(ficresstdeij,"******\n");
         fprintf(ficrescveij,"******\n");
         
         fprintf(ficresvij,"\n#****** ");
         for(j=1;j<=cptcoveff;j++) 
                                   fprintf(ficresvij,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
         fprintf(ficresvij,"******\n");
         
         eij=ma3x(1,nlstate,1,nlstate,(int) bage, (int) fage);
         oldm=oldms;savm=savms;
         printf(" cvevsij %d, ",k);
         fprintf(ficlog, " cvevsij %d, ",k);
         cvevsij(eij, p, nlstate, stepm, (int) bage, (int)fage, oldm, savm, k, estepm, delti, matcov, strstart);
         printf(" end cvevsij \n ");
         fprintf(ficlog, " end cvevsij \n ");
         
         /*
          */
         /* goto endfree; */
         
         vareij=ma3x(1,nlstate,1,nlstate,(int) bage, (int) fage);
         pstamp(ficrest);
         
         
         for(vpopbased=0; vpopbased <= popbased; vpopbased++){ /* Done for vpopbased=0 and vpopbased=1 if popbased==1*/
                                   oldm=oldms;savm=savms; /* ZZ Segmentation fault */
                                   cptcod= 0; /* To be deleted */
                                   printf("varevsij %d \n",vpopbased);
                                   fprintf(ficlog, "varevsij %d \n",vpopbased);
                                   varevsij(optionfilefiname, vareij, matcov, p, delti, nlstate, stepm, (int) bage, (int) fage, oldm, savm, prlim, ftolpl, &ncvyear, k, estepm, cptcov,cptcod,vpopbased,mobilav, strstart); /* cptcod not initialized Intel */
                                   fprintf(ficrest,"# Total life expectancy with std error and decomposition into time to be expected in each health state\n#  (weighted average of eij where weights are ");
                                   if(vpopbased==1)
                                           fprintf(ficrest,"the age specific prevalence observed (cross-sectionally) in the population i.e cross-sectionally\n in each health state (popbased=1) (mobilav=%d)\n",mobilav);
                                   else
                                           fprintf(ficrest,"the age specific period (stable) prevalences in each health state \n");
                                   fprintf(ficrest,"# Age popbased mobilav e.. (std) ");
                                   for (i=1;i<=nlstate;i++) fprintf(ficrest,"e.%d (std) ",i);
                                   fprintf(ficrest,"\n");
                                   /* printf("Which p?\n"); for(i=1;i<=npar;i++)printf("p[i=%d]=%lf,",i,p[i]);printf("\n"); */
                                   epj=vector(1,nlstate+1);
                                   printf("Computing age specific period (stable) prevalences in each health state \n");
                                   fprintf(ficlog,"Computing age specific period (stable) prevalences in each health state \n");
                                   for(age=bage; age <=fage ;age++){
                                           prevalim(prlim, nlstate, p, age, oldm, savm, ftolpl, &ncvyear, k); /*ZZ Is it the correct prevalim */
                                           if (vpopbased==1) {
                                                   if(mobilav ==0){
                                                           for(i=1; i<=nlstate;i++)
                                                                   prlim[i][i]=probs[(int)age][i][k];
                                                   }else{ /* mobilav */ 
                                                           for(i=1; i<=nlstate;i++)
                                                                   prlim[i][i]=mobaverage[(int)age][i][k];
                                                   }
                                           }
                                           
                                           fprintf(ficrest," %4.0f %d %d",age, vpopbased, mobilav);
                                           /* fprintf(ficrest," %4.0f %d %d %d %d",age, vpopbased, mobilav,Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]); */ /* to be done */
                                           /* printf(" age %4.0f ",age); */
                                           for(j=1, epj[nlstate+1]=0.;j <=nlstate;j++){
                                                   for(i=1, epj[j]=0.;i <=nlstate;i++) {
                                                           epj[j] += prlim[i][i]*eij[i][j][(int)age];
                                                           /*ZZZ  printf("%lf %lf ", prlim[i][i] ,eij[i][j][(int)age]);*/
                                                           /* printf("%lf %lf ", prlim[i][i] ,eij[i][j][(int)age]); */
                                                   }
                                                   epj[nlstate+1] +=epj[j];
                                           }
                                           /* printf(" age %4.0f \n",age); */
                                           
                                           for(i=1, vepp=0.;i <=nlstate;i++)
                                                   for(j=1;j <=nlstate;j++)
                                                           vepp += vareij[i][j][(int)age];
                                           fprintf(ficrest," %7.3f (%7.3f)", epj[nlstate+1],sqrt(vepp));
                                           for(j=1;j <=nlstate;j++){
                                                   fprintf(ficrest," %7.3f (%7.3f)", epj[j],sqrt(vareij[j][j][(int)age]));
                                           }
                                           fprintf(ficrest,"\n");
                                   }
         } /* End vpopbased */
         free_ma3x(eij,1,nlstate,1,nlstate,(int) bage, (int)fage);
         free_ma3x(vareij,1,nlstate,1,nlstate,(int) bage, (int)fage);
         free_vector(epj,1,nlstate+1);
         printf("done \n");fflush(stdout);
         fprintf(ficlog,"done\n");fflush(ficlog);
         
         /*}*/
       } /* End k */
       free_vector(weight,1,n);
       free_imatrix(Tvard,1,NCOVMAX,1,2);
       free_imatrix(s,1,maxwav+1,1,n);
       free_matrix(anint,1,maxwav,1,n); 
       free_matrix(mint,1,maxwav,1,n);
       free_ivector(cod,1,n);
       free_ivector(tab,1,NCOVMAX);
       fclose(ficresstdeij);
       fclose(ficrescveij);
       fclose(ficresvij);
       fclose(ficrest);
       printf("done Health expectancies\n");fflush(stdout);
       fprintf(ficlog,"done Health expectancies\n");fflush(ficlog);
       fclose(ficpar);
     
       /*------- Variance of period (stable) prevalence------*/   
   
       strcpy(fileresvpl,"VPL_");
       strcat(fileresvpl,fileresu);
       if((ficresvpl=fopen(fileresvpl,"w"))==NULL) {
         printf("Problem with variance of period (stable) prevalence  resultfile: %s\n", fileresvpl);
         exit(0);
       }
       printf("Computing Variance-covariance of period (stable) prevalence: file '%s' ...", fileresvpl);fflush(stdout);
       fprintf(ficlog, "Computing Variance-covariance of period (stable) prevalence: file '%s' ...", fileresvpl);fflush(ficlog);
   
       /*for(cptcov=1,k=0;cptcov<=i1;cptcov++){
         for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){*/
             
       for (k=1; k <= (int) pow(2,cptcoveff); k++){
           fprintf(ficresvpl,"\n#****** ");
                           for(j=1;j<=cptcoveff;j++) 
                                   fprintf(ficresvpl,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtabm(k,j)]);
                           fprintf(ficresvpl,"******\n");
         
                           varpl=matrix(1,nlstate,(int) bage, (int) fage);
                           oldm=oldms;savm=savms;
                           varprevlim(fileres, varpl, matcov, p, delti, nlstate, stepm, (int) bage, (int) fage, oldm, savm, prlim, ftolpl, &ncvyear, k, strstart);
                           free_matrix(varpl,1,nlstate,(int) bage, (int)fage);
         /*}*/
       }
                   
       fclose(ficresvpl);
       printf("done variance-covariance of period prevalence\n");fflush(stdout);
       fprintf(ficlog,"done variance-covariance of period prevalence\n");fflush(ficlog);
   
       /*---------- End : free ----------------*/
       if (mobilav!=0 ||mobilavproj !=0) free_ma3x(mobaverage,1, AGESUP,1,nlstate+ndeath, 1,ncovcombmax); /* We need to have a squared matrix with prevalence of the dead! */
       free_ma3x(probs,1,AGESUP,1,nlstate+ndeath, 1,ncovcombmax);
     }  /* mle==-3 arrives here for freeing */
    /* endfree:*/
       free_matrix(prlim,1,nlstate,1,nlstate); /*here or after loop ? */
       free_matrix(pmmij,1,nlstate+ndeath,1,nlstate+ndeath);
       free_matrix(oldms, 1,nlstate+ndeath,1,nlstate+ndeath);
       free_matrix(newms, 1,nlstate+ndeath,1,nlstate+ndeath);
       free_matrix(savms, 1,nlstate+ndeath,1,nlstate+ndeath);
       free_matrix(covar,0,NCOVMAX,1,n);
       free_matrix(matcov,1,npar,1,npar);
       free_matrix(hess,1,npar,1,npar);
       /*free_vector(delti,1,npar);*/
       free_ma3x(delti3,1,nlstate,1, nlstate+ndeath-1,1,ncovmodel); 
       free_matrix(agev,1,maxwav,1,imx);
       free_ma3x(param,1,nlstate,1, nlstate+ndeath-1,1,ncovmodel);
   
       free_ivector(ncodemax,1,NCOVMAX);
       free_ivector(ncodemaxwundef,1,NCOVMAX);
       free_ivector(Tvar,1,NCOVMAX);
       free_ivector(Tprod,1,NCOVMAX);
       free_ivector(Tvaraff,1,NCOVMAX);
       free_ivector(Tage,1,NCOVMAX);
   
       free_imatrix(nbcode,0,NCOVMAX,0,NCOVMAX);
       /* free_imatrix(codtab,1,100,1,10); */
     fflush(fichtm);
     fflush(ficgp);
     
   
     if((nberr >0) || (nbwarn>0)){
       printf("End of Imach with %d errors and/or %d warnings. Please look at the log file for details.\n",nberr,nbwarn);
       fprintf(ficlog,"End of Imach with %d errors and/or warnings %d. Please look at the log file for details.\n",nberr,nbwarn);
     }else{
       printf("End of Imach\n");
       fprintf(ficlog,"End of Imach\n");
     }
     printf("See log file on %s\n",filelog);
     /*  gettimeofday(&end_time, (struct timezone*)0);*/  /* after time */
     /*(void) gettimeofday(&end_time,&tzp);*/
     rend_time = time(NULL);  
     end_time = *localtime(&rend_time);
     /* tml = *localtime(&end_time.tm_sec); */
     strcpy(strtend,asctime(&end_time));
     printf("Local time at start %s\nLocal time at end   %s",strstart, strtend); 
     fprintf(ficlog,"Local time at start %s\nLocal time at end   %s\n",strstart, strtend); 
     printf("Total time used %s\n", asc_diff_time(rend_time -rstart_time,tmpout));
   
     printf("Total time was %.0lf Sec.\n", difftime(rend_time,rstart_time));
     fprintf(ficlog,"Total time used %s\n", asc_diff_time(rend_time -rstart_time,tmpout));
     fprintf(ficlog,"Total time was %.0lf Sec.\n", difftime(rend_time,rstart_time));
     /*  printf("Total time was %d uSec.\n", total_usecs);*/
   /*   if(fileappend(fichtm,optionfilehtm)){ */
     fprintf(fichtm,"<br>Local time at start %s<br>Local time at end   %s<br>\n</body></html>",strstart, strtend);
     fclose(fichtm);
     fprintf(fichtmcov,"<br>Local time at start %s<br>Local time at end   %s<br>\n</body></html>",strstart, strtend);
     fclose(fichtmcov);
     fclose(ficgp);
     fclose(ficlog);
     /*------ End -----------*/
   
   
      printf("Before Current directory %s!\n",pathcd);
   #ifdef WIN32
      if (_chdir(pathcd) != 0)
              printf("Can't move to directory %s!\n",path);
      if(_getcwd(pathcd,MAXLINE) > 0)
   #else
      if(chdir(pathcd) != 0)
              printf("Can't move to directory %s!\n", path);
      if (getcwd(pathcd, MAXLINE) > 0)
   #endif 
       printf("Current directory %s!\n",pathcd);
     /*strcat(plotcmd,CHARSEPARATOR);*/
     sprintf(plotcmd,"gnuplot");
   #ifdef _WIN32
     sprintf(plotcmd,"\"%sgnuplot.exe\"",pathimach);
   #endif
     if(!stat(plotcmd,&info)){
       printf("Error or gnuplot program not found: '%s'\n",plotcmd);fflush(stdout);
       if(!stat(getenv("GNUPLOTBIN"),&info)){
         printf("Error or gnuplot program not found: '%s' Environment GNUPLOTBIN not set.\n",plotcmd);fflush(stdout);
       }else
         strcpy(pplotcmd,plotcmd);
   #ifdef __unix
       strcpy(plotcmd,GNUPLOTPROGRAM);
       if(!stat(plotcmd,&info)){
         printf("Error gnuplot program not found: '%s'\n",plotcmd);fflush(stdout);
       }else
         strcpy(pplotcmd,plotcmd);
   #endif
     }else
       strcpy(pplotcmd,plotcmd);
     
     sprintf(plotcmd,"%s %s",pplotcmd, optionfilegnuplot);
     printf("Starting graphs with: '%s'\n",plotcmd);fflush(stdout);
   
     if((outcmd=system(plotcmd)) != 0){
       printf("gnuplot command might not be in your path: '%s', err=%d\n", plotcmd, outcmd);
       printf("\n Trying if gnuplot resides on the same directory that IMaCh\n");
       sprintf(plotcmd,"%sgnuplot %s", pathimach, optionfilegnuplot);
       if((outcmd=system(plotcmd)) != 0)
         printf("\n Still a problem with gnuplot command %s, err=%d\n", plotcmd, outcmd);
     }
     printf(" Successful, please wait...");
     while (z[0] != 'q') {
       /* chdir(path); */
       printf("\nType e to edit results with your browser, g to graph again and q for exit: ");
       scanf("%s",z);
   /*     if (z[0] == 'c') system("./imach"); */
       if (z[0] == 'e') {
   #ifdef __APPLE__
         sprintf(pplotcmd, "open %s", optionfilehtm);
   #elif __linux
         sprintf(pplotcmd, "xdg-open %s", optionfilehtm);
   #else
         sprintf(pplotcmd, "%s", optionfilehtm);
   #endif
         printf("Starting browser with: %s",pplotcmd);fflush(stdout);
         system(pplotcmd);
       }
       else if (z[0] == 'g') system(plotcmd);
       else if (z[0] == 'q') exit(0);
     }
     end:
     while (z[0] != 'q') {
       printf("\nType  q for exiting: "); fflush(stdout);
       scanf("%s",z);
     }
   }

Removed from v.1.29  
changed lines
  Added in v.1.218


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