Diff for /imach/src/imach.c between versions 1.20 and 1.90

version 1.20, 2002/02/20 17:22:01 version 1.90, 2003/06/24 12:34:15
Line 1 Line 1
      /* $Id$
 /*********************** Imach **************************************            $State$
   This program computes Healthy Life Expectancies from cross-longitudinal    $Log$
   data. Cross-longitudinal consist in a first survey ("cross") where    Revision 1.90  2003/06/24 12:34:15  brouard
   individuals from different ages are interviewed on their health status    (Module): Some bugs corrected for windows. Also, when
   or degree of  disability. At least a second wave of interviews    mle=-1 a template is output in file "or"mypar.txt with the design
   ("longitudinal") should  measure each new individual health status.    of the covariance matrix to be input.
   Health expectancies are computed from the transistions observed between  
   waves and are computed for each degree of severity of disability (number    Revision 1.89  2003/06/24 12:30:52  brouard
   of life states). More degrees you consider, more time is necessary to    (Module): Some bugs corrected for windows. Also, when
   reach the Maximum Likelihood of the parameters involved in the model.    mle=-1 a template is output in file "or"mypar.txt with the design
   The simplest model is the multinomial logistic model where pij is    of the covariance matrix to be input.
   the probabibility to be observed in state j at the second wave conditional  
   to be observed in state i at the first wave. Therefore the model is:    Revision 1.88  2003/06/23 17:54:56  brouard
   log(pij/pii)= aij + bij*age+ cij*sex + etc , where 'age' is age and 'sex'    * 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.
   is a covariate. If you want to have a more complex model than "constant and  
   age", you should modify the program where the markup    Revision 1.87  2003/06/18 12:26:01  brouard
     *Covariates have to be included here again* invites you to do it.    Version 0.96
   More covariates you add, less is the speed of the convergence.  
     Revision 1.86  2003/06/17 20:04:08  brouard
   The advantage that this computer programme claims, comes from that if the    (Module): Change position of html and gnuplot routines and added
   delay between waves is not identical for each individual, or if some    routine fileappend.
   individual missed an interview, the information is not rounded or lost, but  
   taken into account using an interpolation or extrapolation.    Revision 1.85  2003/06/17 13:12:43  brouard
   hPijx is the probability to be    * imach.c (Repository): Check when date of death was earlier that
   observed in state i at age x+h conditional to the observed state i at age    current date of interview. It may happen when the death was just
   x. The delay 'h' can be split into an exact number (nh*stepm) of    prior to the death. In this case, dh was negative and likelihood
   unobserved intermediate  states. This elementary transition (by month or    was wrong (infinity). We still send an "Error" but patch by
   quarter trimester, semester or year) is model as a multinomial logistic.    assuming that the date of death was just one stepm after the
   The hPx matrix is simply the matrix product of nh*stepm elementary matrices    interview.
   and the contribution of each individual to the likelihood is simply hPijx.    (Repository): Because some people have very long ID (first column)
     we changed int to long in num[] and we added a new lvector for
   Also this programme outputs the covariance matrix of the parameters but also    memory allocation. But we also truncated to 8 characters (left
   of the life expectancies. It also computes the prevalence limits.    truncation)
      (Repository): No more line truncation errors.
   Authors: Nicolas Brouard (brouard@ined.fr) and Agnès Lièvre (lievre@ined.fr).  
            Institut national d'études démographiques, Paris.    Revision 1.84  2003/06/13 21:44:43  brouard
   This software have been partly granted by Euro-REVES, a concerted action    * imach.c (Repository): Replace "freqsummary" at a correct
   from the European Union.    place. It differs from routine "prevalence" which may be called
   It is copyrighted identically to a GNU software product, ie programme and    many times. Probs is memory consuming and must be used with
   software can be distributed freely for non commercial use. Latest version    parcimony.
   can be accessed at http://euroreves.ined.fr/imach .    Version 0.95a3 (should output exactly the same maximization than 0.8a2)
   **********************************************************************/  
      Revision 1.83  2003/06/10 13:39:11  lievre
 #include <math.h>    *** empty log message ***
 #include <stdio.h>  
 #include <stdlib.h>    Revision 1.82  2003/06/05 15:57:20  brouard
 #include <unistd.h>    Add log in  imach.c and  fullversion number is now printed.
   
 #define MAXLINE 256  */
 #define FILENAMELENGTH 80  /*
 /*#define DEBUG*/     Interpolated Markov Chain
 #define windows  
 #define GLOCK_ERROR_NOPATH              -1      /* empty path */    Short summary of the programme:
 #define GLOCK_ERROR_GETCWD              -2      /* cannot get cwd */    
     This program computes Healthy Life Expectancies from
 #define MAXPARM 30 /* Maximum number of parameters for the optimization */    cross-longitudinal data. Cross-longitudinal data consist in: -1- a
 #define NPARMAX 64 /* (nlstate+ndeath-1)*nlstate*ncovmodel */    first survey ("cross") where individuals from different ages are
     interviewed on their health status or degree of disability (in the
 #define NINTERVMAX 8    case of a health survey which is our main interest) -2- at least a
 #define NLSTATEMAX 8 /* Maximum number of live states (for func) */    second wave of interviews ("longitudinal") which measure each change
 #define NDEATHMAX 8 /* Maximum number of dead states (for func) */    (if any) in individual health status.  Health expectancies are
 #define NCOVMAX 8 /* Maximum number of covariates */    computed from the time spent in each health state according to a
 #define MAXN 20000    model. More health states you consider, more time is necessary to reach the
 #define YEARM 12. /* Number of months per year */    Maximum Likelihood of the parameters involved in the model.  The
 #define AGESUP 130    simplest model is the multinomial logistic model where pij is the
 #define AGEBASE 40    probability to be observed in state j at the second wave
     conditional to be observed in state i at the first wave. Therefore
     the model is: log(pij/pii)= aij + bij*age+ cij*sex + etc , where
 int nvar;    'age' is age and 'sex' is a covariate. If you want to have a more
 int cptcovn, cptcovage=0, cptcoveff=0,cptcov;    complex model than "constant and age", you should modify the program
 int npar=NPARMAX;    where the markup *Covariates have to be included here again* invites
 int nlstate=2; /* Number of live states */    you to do it.  More covariates you add, slower the
 int ndeath=1; /* Number of dead states */    convergence.
 int ncovmodel, ncov;     /* Total number of covariables including constant a12*1 +b12*x ncovmodel=2 */  
 int popbased=0;    The advantage of this computer programme, compared to a simple
     multinomial logistic model, is clear when the delay between waves is not
 int *wav; /* Number of waves for this individuual 0 is possible */    identical for each individual. Also, if a individual missed an
 int maxwav; /* Maxim number of waves */    intermediate interview, the information is lost, but taken into
 int jmin, jmax; /* min, max spacing between 2 waves */    account using an interpolation or extrapolation.  
 int mle, weightopt;  
 int **mw; /* mw[mi][i] is number of the mi wave for this individual */    hPijx is the probability to be observed in state i at age x+h
 int **dh; /* dh[mi][i] is number of steps between mi,mi+1 for this individual */    conditional to the observed state i at age x. The delay 'h' can be
 double jmean; /* Mean space between 2 waves */    split into an exact number (nh*stepm) of unobserved intermediate
 double **oldm, **newm, **savm; /* Working pointers to matrices */    states. This elementary transition (by month, quarter,
 double **oldms, **newms, **savms; /* Fixed working pointers to matrices */    semester or year) is modelled as a multinomial logistic.  The hPx
 FILE *fic,*ficpar, *ficparo,*ficres,  *ficrespl, *ficrespij, *ficrest,*ficresf;    matrix is simply the matrix product of nh*stepm elementary matrices
 FILE *ficgp, *fichtm,*ficresprob,*ficpop;    and the contribution of each individual to the likelihood is simply
 FILE *ficreseij;    hPijx.
   char filerese[FILENAMELENGTH];  
  FILE  *ficresvij;    Also this programme outputs the covariance matrix of the parameters but also
   char fileresv[FILENAMELENGTH];    of the life expectancies. It also computes the stable prevalence. 
  FILE  *ficresvpl;    
   char fileresvpl[FILENAMELENGTH];    Authors: Nicolas Brouard (brouard@ined.fr) and Agnès Lièvre (lievre@ined.fr).
              Institut national d'études démographiques, Paris.
 #define NR_END 1    This software have been partly granted by Euro-REVES, a concerted action
 #define FREE_ARG char*    from the European Union.
 #define FTOL 1.0e-10    It is copyrighted identically to a GNU software product, ie programme and
     software can be distributed freely for non commercial use. Latest version
 #define NRANSI    can be accessed at http://euroreves.ined.fr/imach .
 #define ITMAX 200  
     Help to debug: LD_PRELOAD=/usr/local/lib/libnjamd.so ./imach foo.imach
 #define TOL 2.0e-4    or better on gdb : set env LD_PRELOAD=/usr/local/lib/libnjamd.so
     
 #define CGOLD 0.3819660    **********************************************************************/
 #define ZEPS 1.0e-10  /*
 #define SHFT(a,b,c,d) (a)=(b);(b)=(c);(c)=(d);    main
     read parameterfile
 #define GOLD 1.618034    read datafile
 #define GLIMIT 100.0    concatwav
 #define TINY 1.0e-20    freqsummary
     if (mle >= 1)
 static double maxarg1,maxarg2;      mlikeli
 #define FMAX(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)>(maxarg2)? (maxarg1):(maxarg2))    print results files
 #define FMIN(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)<(maxarg2)? (maxarg1):(maxarg2))    if mle==1 
         computes hessian
 #define SIGN(a,b) ((b)>0.0 ? fabs(a) : -fabs(a))    read end of parameter file: agemin, agemax, bage, fage, estepm
 #define rint(a) floor(a+0.5)        begin-prev-date,...
     open gnuplot file
 static double sqrarg;    open html file
 #define SQR(a) ((sqrarg=(a)) == 0.0 ? 0.0 :sqrarg*sqrarg)    stable prevalence
 #define SWAP(a,b) {temp=(a);(a)=(b);(b)=temp;}     for age prevalim()
     h Pij x
 int imx;    variance of p varprob
 int stepm;    forecasting if prevfcast==1 prevforecast call prevalence()
 /* Stepm, step in month: minimum step interpolation*/    health expectancies
     Variance-covariance of DFLE
 int m,nb;    prevalence()
 int *num, firstpass=0, lastpass=4,*cod, *ncodemax, *Tage;     movingaverage()
 double **agev,*moisnais, *annais, *moisdc, *andc,**mint, **anint;    varevsij() 
 double **pmmij, ***probs, ***mobaverage;    if popbased==1 varevsij(,popbased)
 double dateintmean=0;    total life expectancies
     Variance of stable prevalence
 double *weight;   end
 int **s; /* Status */  */
 double *agedc, **covar, idx;  
 int **nbcode, *Tcode, *Tvar, **codtab, **Tvard, *Tprod, cptcovprod, *Tvaraff;  
   
 double ftol=FTOL; /* Tolerance for computing Max Likelihood */   
 double ftolhess; /* Tolerance for computing hessian */  #include <math.h>
   #include <stdio.h>
 /**************** split *************************/  #include <stdlib.h>
 static  int split( char *path, char *dirc, char *name )  #include <unistd.h>
 {  
    char *s;                             /* pointer */  #include <sys/time.h>
    int  l1, l2;                         /* length counters */  #include <time.h>
   #include "timeval.h"
    l1 = strlen( path );                 /* length of path */  
    if ( l1 == 0 ) return( GLOCK_ERROR_NOPATH );  #define MAXLINE 256
    s = strrchr( path, '\\' );           /* find last / */  #define GNUPLOTPROGRAM "gnuplot"
    if ( s == NULL ) {                   /* no directory, so use current */  /*#define GNUPLOTPROGRAM "..\\gp37mgw\\wgnuplot"*/
 #if     defined(__bsd__)                /* get current working directory */  #define FILENAMELENGTH 132
       extern char       *getwd( );  /*#define DEBUG*/
   /*#define windows*/
       if ( getwd( dirc ) == NULL ) {  #define GLOCK_ERROR_NOPATH              -1      /* empty path */
 #else  #define GLOCK_ERROR_GETCWD              -2      /* cannot get cwd */
       extern char       *getcwd( );  
   #define MAXPARM 30 /* Maximum number of parameters for the optimization */
       if ( getcwd( dirc, FILENAME_MAX ) == NULL ) {  #define NPARMAX 64 /* (nlstate+ndeath-1)*nlstate*ncovmodel */
 #endif  
          return( GLOCK_ERROR_GETCWD );  #define NINTERVMAX 8
       }  #define NLSTATEMAX 8 /* Maximum number of live states (for func) */
       strcpy( name, path );             /* we've got it */  #define NDEATHMAX 8 /* Maximum number of dead states (for func) */
    } else {                             /* strip direcotry from path */  #define NCOVMAX 8 /* Maximum number of covariates */
       s++;                              /* after this, the filename */  #define MAXN 20000
       l2 = strlen( s );                 /* length of filename */  #define YEARM 12. /* Number of months per year */
       if ( l2 == 0 ) return( GLOCK_ERROR_NOPATH );  #define AGESUP 130
       strcpy( name, s );                /* save file name */  #define AGEBASE 40
       strncpy( dirc, path, l1 - l2 );   /* now the directory */  #ifdef unix
       dirc[l1-l2] = 0;                  /* add zero */  #define DIRSEPARATOR '/'
    }  #define ODIRSEPARATOR '\\'
    l1 = strlen( dirc );                 /* length of directory */  #else
    if ( dirc[l1-1] != '\\' ) { dirc[l1] = '\\'; dirc[l1+1] = 0; }  #define DIRSEPARATOR '\\'
    return( 0 );                         /* we're done */  #define ODIRSEPARATOR '/'
 }  #endif
   
   /* $Id$ */
 /******************************************/  /* $State$ */
   
 void replace(char *s, char*t)  char version[]="Imach version 0.96a, June 2003, INED-EUROREVES ";
 {  char fullversion[]="$Revision$ $Date$"; 
   int i;  int erreur; /* Error number */
   int lg=20;  int nvar;
   i=0;  int cptcovn=0, cptcovage=0, cptcoveff=0,cptcov;
   lg=strlen(t);  int npar=NPARMAX;
   for(i=0; i<= lg; i++) {  int nlstate=2; /* Number of live states */
     (s[i] = t[i]);  int ndeath=1; /* Number of dead states */
     if (t[i]== '\\') s[i]='/';  int ncovmodel, ncovcol;     /* Total number of covariables including constant a12*1 +b12*x ncovmodel=2 */
   }  int popbased=0;
 }  
   int *wav; /* Number of waves for this individuual 0 is possible */
 int nbocc(char *s, char occ)  int maxwav; /* Maxim number of waves */
 {  int jmin, jmax; /* min, max spacing between 2 waves */
   int i,j=0;  int gipmx, gsw; /* Global variables on the number of contributions 
   int lg=20;                     to the likelihood and the sum of weights (done by funcone)*/
   i=0;  int mle, weightopt;
   lg=strlen(s);  int **mw; /* mw[mi][i] is number of the mi wave for this individual */
   for(i=0; i<= lg; i++) {  int **dh; /* dh[mi][i] is number of steps between mi,mi+1 for this individual */
   if  (s[i] == occ ) j++;  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. */
   return j;  double jmean; /* Mean space between 2 waves */
 }  double **oldm, **newm, **savm; /* Working pointers to matrices */
   double **oldms, **newms, **savms; /* Fixed working pointers to matrices */
 void cutv(char *u,char *v, char*t, char occ)  FILE *fic,*ficpar, *ficparo,*ficres,  *ficrespl, *ficrespij, *ficrest,*ficresf,*ficrespop;
 {  FILE *ficlog, *ficrespow;
   int i,lg,j,p=0;  int globpr; /* Global variable for printing or not */
   i=0;  double fretone; /* Only one call to likelihood */
   for(j=0; j<=strlen(t)-1; j++) {  long ipmx; /* Number of contributions */
     if((t[j]!= occ) && (t[j+1]== occ)) p=j+1;  double sw; /* Sum of weights */
   }  char fileresilk[FILENAMELENGTH]; /* File of individual contributions to the likelihood */
   FILE *ficresilk;
   lg=strlen(t);  FILE *ficgp,*ficresprob,*ficpop, *ficresprobcov, *ficresprobcor;
   for(j=0; j<p; j++) {  FILE *ficresprobmorprev;
     (u[j] = t[j]);  FILE *fichtm; /* Html File */
   }  FILE *ficreseij;
      u[p]='\0';  char filerese[FILENAMELENGTH];
   FILE  *ficresvij;
    for(j=0; j<= lg; j++) {  char fileresv[FILENAMELENGTH];
     if (j>=(p+1))(v[j-p-1] = t[j]);  FILE  *ficresvpl;
   }  char fileresvpl[FILENAMELENGTH];
 }  char title[MAXLINE];
   char optionfile[FILENAMELENGTH], datafile[FILENAMELENGTH],  filerespl[FILENAMELENGTH];
 /********************** nrerror ********************/  char optionfilext[10], optionfilefiname[FILENAMELENGTH], plotcmd[FILENAMELENGTH];
   char tmpout[FILENAMELENGTH]; 
 void nrerror(char error_text[])  char command[FILENAMELENGTH];
 {  int  outcmd=0;
   fprintf(stderr,"ERREUR ...\n");  
   fprintf(stderr,"%s\n",error_text);  char fileres[FILENAMELENGTH], filerespij[FILENAMELENGTH], filereso[FILENAMELENGTH], rfileres[FILENAMELENGTH];
   exit(1);  char lfileres[FILENAMELENGTH];
 }  char filelog[FILENAMELENGTH]; /* Log file */
 /*********************** vector *******************/  char filerest[FILENAMELENGTH];
 double *vector(int nl, int nh)  char fileregp[FILENAMELENGTH];
 {  char popfile[FILENAMELENGTH];
   double *v;  
   v=(double *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(double)));  char optionfilegnuplot[FILENAMELENGTH], optionfilehtm[FILENAMELENGTH];
   if (!v) nrerror("allocation failure in vector");  
   return v-nl+NR_END;  #define NR_END 1
 }  #define FREE_ARG char*
   #define FTOL 1.0e-10
 /************************ free vector ******************/  
 void free_vector(double*v, int nl, int nh)  #define NRANSI 
 {  #define ITMAX 200 
   free((FREE_ARG)(v+nl-NR_END));  
 }  #define TOL 2.0e-4 
   
 /************************ivector *******************************/  #define CGOLD 0.3819660 
 int *ivector(long nl,long nh)  #define ZEPS 1.0e-10 
 {  #define SHFT(a,b,c,d) (a)=(b);(b)=(c);(c)=(d); 
   int *v;  
   v=(int *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(int)));  #define GOLD 1.618034 
   if (!v) nrerror("allocation failure in ivector");  #define GLIMIT 100.0 
   return v-nl+NR_END;  #define TINY 1.0e-20 
 }  
   static double maxarg1,maxarg2;
 /******************free ivector **************************/  #define FMAX(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)>(maxarg2)? (maxarg1):(maxarg2))
 void free_ivector(int *v, long nl, long nh)  #define FMIN(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)<(maxarg2)? (maxarg1):(maxarg2))
 {    
   free((FREE_ARG)(v+nl-NR_END));  #define SIGN(a,b) ((b)>0.0 ? fabs(a) : -fabs(a))
 }  #define rint(a) floor(a+0.5)
   
 /******************* imatrix *******************************/  static double sqrarg;
 int **imatrix(long nrl, long nrh, long ncl, long nch)  #define SQR(a) ((sqrarg=(a)) == 0.0 ? 0.0 :sqrarg*sqrarg)
      /* allocate a int matrix with subscript range m[nrl..nrh][ncl..nch] */  #define SWAP(a,b) {temp=(a);(a)=(b);(b)=temp;} 
 {  
   long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;  int imx; 
   int **m;  int stepm;
    /* Stepm, step in month: minimum step interpolation*/
   /* allocate pointers to rows */  
   m=(int **) malloc((size_t)((nrow+NR_END)*sizeof(int*)));  int estepm;
   if (!m) nrerror("allocation failure 1 in matrix()");  /* Estepm, step in month to interpolate survival function in order to approximate Life Expectancy*/
   m += NR_END;  
   m -= nrl;  int m,nb;
    long *num;
    int firstpass=0, lastpass=4,*cod, *ncodemax, *Tage;
   /* allocate rows and set pointers to them */  double **agev,*moisnais, *annais, *moisdc, *andc,**mint, **anint;
   m[nrl]=(int *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(int)));  double **pmmij, ***probs;
   if (!m[nrl]) nrerror("allocation failure 2 in matrix()");  double dateintmean=0;
   m[nrl] += NR_END;  
   m[nrl] -= ncl;  double *weight;
    int **s; /* Status */
   for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;  double *agedc, **covar, idx;
    int **nbcode, *Tcode, *Tvar, **codtab, **Tvard, *Tprod, cptcovprod, *Tvaraff;
   /* return pointer to array of pointers to rows */  
   return m;  double ftol=FTOL; /* Tolerance for computing Max Likelihood */
 }  double ftolhess; /* Tolerance for computing hessian */
   
 /****************** free_imatrix *************************/  /**************** split *************************/
 void free_imatrix(m,nrl,nrh,ncl,nch)  static  int split( char *path, char *dirc, char *name, char *ext, char *finame )
       int **m;  {
       long nch,ncl,nrh,nrl;    char  *ss;                            /* pointer */
      /* free an int matrix allocated by imatrix() */    int   l1, l2;                         /* length counters */
 {  
   free((FREE_ARG) (m[nrl]+ncl-NR_END));    l1 = strlen(path );                   /* length of path */
   free((FREE_ARG) (m+nrl-NR_END));    if ( l1 == 0 ) return( GLOCK_ERROR_NOPATH );
 }    ss= strrchr( path, DIRSEPARATOR );            /* find last / */
     if ( ss == NULL ) {                   /* no directory, so use current */
 /******************* matrix *******************************/      /*if(strrchr(path, ODIRSEPARATOR )==NULL)
 double **matrix(long nrl, long nrh, long ncl, long nch)        printf("Warning you should use %s as a separator\n",DIRSEPARATOR);*/
 {      /* get current working directory */
   long i, nrow=nrh-nrl+1, ncol=nch-ncl+1;      /*    extern  char* getcwd ( char *buf , int len);*/
   double **m;      if ( getcwd( dirc, FILENAME_MAX ) == NULL ) {
         return( GLOCK_ERROR_GETCWD );
   m=(double **) malloc((size_t)((nrow+NR_END)*sizeof(double*)));      }
   if (!m) nrerror("allocation failure 1 in matrix()");      strcpy( name, path );               /* we've got it */
   m += NR_END;    } else {                              /* strip direcotry from path */
   m -= nrl;      ss++;                               /* after this, the filename */
       l2 = strlen( ss );                  /* length of filename */
   m[nrl]=(double *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));      if ( l2 == 0 ) return( GLOCK_ERROR_NOPATH );
   if (!m[nrl]) nrerror("allocation failure 2 in matrix()");      strcpy( name, ss );         /* save file name */
   m[nrl] += NR_END;      strncpy( dirc, path, l1 - l2 );     /* now the directory */
   m[nrl] -= ncl;      dirc[l1-l2] = 0;                    /* add zero */
     }
   for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;    l1 = strlen( dirc );                  /* length of directory */
   return m;    /*#ifdef windows
 }    if ( dirc[l1-1] != '\\' ) { dirc[l1] = '\\'; dirc[l1+1] = 0; }
   #else
 /*************************free matrix ************************/    if ( dirc[l1-1] != '/' ) { dirc[l1] = '/'; dirc[l1+1] = 0; }
 void free_matrix(double **m, long nrl, long nrh, long ncl, long nch)  #endif
 {    */
   free((FREE_ARG)(m[nrl]+ncl-NR_END));    ss = strrchr( name, '.' );            /* find last / */
   free((FREE_ARG)(m+nrl-NR_END));    ss++;
 }    strcpy(ext,ss);                       /* save extension */
     l1= strlen( name);
 /******************* ma3x *******************************/    l2= strlen(ss)+1;
 double ***ma3x(long nrl, long nrh, long ncl, long nch, long nll, long nlh)    strncpy( finame, name, l1-l2);
 {    finame[l1-l2]= 0;
   long i, j, nrow=nrh-nrl+1, ncol=nch-ncl+1, nlay=nlh-nll+1;    return( 0 );                          /* we're done */
   double ***m;  }
   
   m=(double ***) malloc((size_t)((nrow+NR_END)*sizeof(double*)));  
   if (!m) nrerror("allocation failure 1 in matrix()");  /******************************************/
   m += NR_END;  
   m -= nrl;  void replace_back_to_slash(char *s, char*t)
   {
   m[nrl]=(double **) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));    int i;
   if (!m[nrl]) nrerror("allocation failure 2 in matrix()");    int lg=0;
   m[nrl] += NR_END;    i=0;
   m[nrl] -= ncl;    lg=strlen(t);
     for(i=0; i<= lg; i++) {
   for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;      (s[i] = t[i]);
       if (t[i]== '\\') s[i]='/';
   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;  int nbocc(char *s, char occ)
   for (j=ncl+1; j<=nch; j++)  {
     m[nrl][j]=m[nrl][j-1]+nlay;    int i,j=0;
      int lg=20;
   for (i=nrl+1; i<=nrh; i++) {    i=0;
     m[i][ncl]=m[i-1l][ncl]+ncol*nlay;    lg=strlen(s);
     for (j=ncl+1; j<=nch; j++)    for(i=0; i<= lg; i++) {
       m[i][j]=m[i][j-1]+nlay;    if  (s[i] == occ ) j++;
   }    }
   return m;    return j;
 }  }
   
 /*************************free ma3x ************************/  void cutv(char *u,char *v, char*t, char occ)
 void free_ma3x(double ***m, long nrl, long nrh, long ncl, long nch,long nll, long nlh)  {
 {    /* cuts string t into u and v where u is ended by char occ excluding it
   free((FREE_ARG)(m[nrl][ncl]+ nll-NR_END));       and v is after occ excluding it too : ex cutv(u,v,"abcdef2ghi2j",2)
   free((FREE_ARG)(m[nrl]+ncl-NR_END));       gives u="abcedf" and v="ghi2j" */
   free((FREE_ARG)(m+nrl-NR_END));    int i,lg,j,p=0;
 }    i=0;
     for(j=0; j<=strlen(t)-1; j++) {
 /***************** f1dim *************************/      if((t[j]!= occ) && (t[j+1]== occ)) p=j+1;
 extern int ncom;    }
 extern double *pcom,*xicom;  
 extern double (*nrfunc)(double []);    lg=strlen(t);
      for(j=0; j<p; j++) {
 double f1dim(double x)      (u[j] = t[j]);
 {    }
   int j;       u[p]='\0';
   double f;  
   double *xt;     for(j=0; j<= lg; j++) {
        if (j>=(p+1))(v[j-p-1] = t[j]);
   xt=vector(1,ncom);    }
   for (j=1;j<=ncom;j++) xt[j]=pcom[j]+x*xicom[j];  }
   f=(*nrfunc)(xt);  
   free_vector(xt,1,ncom);  /********************** nrerror ********************/
   return f;  
 }  void nrerror(char error_text[])
   {
 /*****************brent *************************/    fprintf(stderr,"ERREUR ...\n");
 double brent(double ax, double bx, double cx, double (*f)(double), double tol,  double *xmin)    fprintf(stderr,"%s\n",error_text);
 {    exit(EXIT_FAILURE);
   int iter;  }
   double a,b,d,etemp;  /*********************** vector *******************/
   double fu,fv,fw,fx;  double *vector(int nl, int nh)
   double ftemp;  {
   double p,q,r,tol1,tol2,u,v,w,x,xm;    double *v;
   double e=0.0;    v=(double *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(double)));
      if (!v) nrerror("allocation failure in vector");
   a=(ax < cx ? ax : cx);    return v-nl+NR_END;
   b=(ax > cx ? ax : cx);  }
   x=w=v=bx;  
   fw=fv=fx=(*f)(x);  /************************ free vector ******************/
   for (iter=1;iter<=ITMAX;iter++) {  void free_vector(double*v, int nl, int nh)
     xm=0.5*(a+b);  {
     tol2=2.0*(tol1=tol*fabs(x)+ZEPS);    free((FREE_ARG)(v+nl-NR_END));
     /*          if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret)))*/  }
     printf(".");fflush(stdout);  
 #ifdef DEBUG  /************************ivector *******************************/
     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);  int *ivector(long nl,long nh)
     /*          if ((fabs(x-xm) <= (tol2-0.5*(b-a)))||(2.0*fabs(fu-ftemp) <= ftol*1.e-2*(fabs(fu)+fabs(ftemp)))) { */  {
 #endif    int *v;
     if (fabs(x-xm) <= (tol2-0.5*(b-a))){    v=(int *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(int)));
       *xmin=x;    if (!v) nrerror("allocation failure in ivector");
       return fx;    return v-nl+NR_END;
     }  }
     ftemp=fu;  
     if (fabs(e) > tol1) {  /******************free ivector **************************/
       r=(x-w)*(fx-fv);  void free_ivector(int *v, long nl, long nh)
       q=(x-v)*(fx-fw);  {
       p=(x-v)*q-(x-w)*r;    free((FREE_ARG)(v+nl-NR_END));
       q=2.0*(q-r);  }
       if (q > 0.0) p = -p;  
       q=fabs(q);  /************************lvector *******************************/
       etemp=e;  long *lvector(long nl,long nh)
       e=d;  {
       if (fabs(p) >= fabs(0.5*q*etemp) || p <= q*(a-x) || p >= q*(b-x))    long *v;
         d=CGOLD*(e=(x >= xm ? a-x : b-x));    v=(long *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(long)));
       else {    if (!v) nrerror("allocation failure in ivector");
         d=p/q;    return v-nl+NR_END;
         u=x+d;  }
         if (u-a < tol2 || b-u < tol2)  
           d=SIGN(tol1,xm-x);  /******************free lvector **************************/
       }  void free_lvector(long *v, long nl, long nh)
     } else {  {
       d=CGOLD*(e=(x >= xm ? a-x : b-x));    free((FREE_ARG)(v+nl-NR_END));
     }  }
     u=(fabs(d) >= tol1 ? x+d : x+SIGN(tol1,d));  
     fu=(*f)(u);  /******************* imatrix *******************************/
     if (fu <= fx) {  int **imatrix(long nrl, long nrh, long ncl, long nch) 
       if (u >= x) a=x; else b=x;       /* allocate a int matrix with subscript range m[nrl..nrh][ncl..nch] */ 
       SHFT(v,w,x,u)  { 
         SHFT(fv,fw,fx,fu)    long i, nrow=nrh-nrl+1,ncol=nch-ncl+1; 
         } else {    int **m; 
           if (u < x) a=u; else b=u;    
           if (fu <= fw || w == x) {    /* allocate pointers to rows */ 
             v=w;    m=(int **) malloc((size_t)((nrow+NR_END)*sizeof(int*))); 
             w=u;    if (!m) nrerror("allocation failure 1 in matrix()"); 
             fv=fw;    m += NR_END; 
             fw=fu;    m -= nrl; 
           } else if (fu <= fv || v == x || v == w) {    
             v=u;    
             fv=fu;    /* allocate rows and set pointers to them */ 
           }    m[nrl]=(int *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(int))); 
         }    if (!m[nrl]) nrerror("allocation failure 2 in matrix()"); 
   }    m[nrl] += NR_END; 
   nrerror("Too many iterations in brent");    m[nrl] -= ncl; 
   *xmin=x;    
   return fx;    for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol; 
 }    
     /* return pointer to array of pointers to rows */ 
 /****************** mnbrak ***********************/    return m; 
   } 
 void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb, double *fc,  
             double (*func)(double))  /****************** free_imatrix *************************/
 {  void free_imatrix(m,nrl,nrh,ncl,nch)
   double ulim,u,r,q, dum;        int **m;
   double fu;        long nch,ncl,nrh,nrl; 
         /* free an int matrix allocated by imatrix() */ 
   *fa=(*func)(*ax);  { 
   *fb=(*func)(*bx);    free((FREE_ARG) (m[nrl]+ncl-NR_END)); 
   if (*fb > *fa) {    free((FREE_ARG) (m+nrl-NR_END)); 
     SHFT(dum,*ax,*bx,dum)  } 
       SHFT(dum,*fb,*fa,dum)  
       }  /******************* matrix *******************************/
   *cx=(*bx)+GOLD*(*bx-*ax);  double **matrix(long nrl, long nrh, long ncl, long nch)
   *fc=(*func)(*cx);  {
   while (*fb > *fc) {    long i, nrow=nrh-nrl+1, ncol=nch-ncl+1;
     r=(*bx-*ax)*(*fb-*fc);    double **m;
     q=(*bx-*cx)*(*fb-*fa);  
     u=(*bx)-((*bx-*cx)*q-(*bx-*ax)*r)/    m=(double **) malloc((size_t)((nrow+NR_END)*sizeof(double*)));
       (2.0*SIGN(FMAX(fabs(q-r),TINY),q-r));    if (!m) nrerror("allocation failure 1 in matrix()");
     ulim=(*bx)+GLIMIT*(*cx-*bx);    m += NR_END;
     if ((*bx-u)*(u-*cx) > 0.0) {    m -= nrl;
       fu=(*func)(u);  
     } else if ((*cx-u)*(u-ulim) > 0.0) {    m[nrl]=(double *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));
       fu=(*func)(u);    if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
       if (fu < *fc) {    m[nrl] += NR_END;
         SHFT(*bx,*cx,u,*cx+GOLD*(*cx-*bx))    m[nrl] -= ncl;
           SHFT(*fb,*fc,fu,(*func)(u))  
           }    for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;
     } else if ((u-ulim)*(ulim-*cx) >= 0.0) {    return m;
       u=ulim;    /* print *(*(m+1)+70) or print m[1][70]; print m+1 or print &(m[1]) 
       fu=(*func)(u);     */
     } else {  }
       u=(*cx)+GOLD*(*cx-*bx);  
       fu=(*func)(u);  /*************************free matrix ************************/
     }  void free_matrix(double **m, long nrl, long nrh, long ncl, long nch)
     SHFT(*ax,*bx,*cx,u)  {
       SHFT(*fa,*fb,*fc,fu)    free((FREE_ARG)(m[nrl]+ncl-NR_END));
       }    free((FREE_ARG)(m+nrl-NR_END));
 }  }
   
 /*************** linmin ************************/  /******************* ma3x *******************************/
   double ***ma3x(long nrl, long nrh, long ncl, long nch, long nll, long nlh)
 int ncom;  {
 double *pcom,*xicom;    long i, j, nrow=nrh-nrl+1, ncol=nch-ncl+1, nlay=nlh-nll+1;
 double (*nrfunc)(double []);    double ***m;
    
 void linmin(double p[], double xi[], int n, double *fret,double (*func)(double []))    m=(double ***) malloc((size_t)((nrow+NR_END)*sizeof(double*)));
 {    if (!m) nrerror("allocation failure 1 in matrix()");
   double brent(double ax, double bx, double cx,    m += NR_END;
                double (*f)(double), double tol, double *xmin);    m -= nrl;
   double f1dim(double x);  
   void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb,    m[nrl]=(double **) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));
               double *fc, double (*func)(double));    if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
   int j;    m[nrl] += NR_END;
   double xx,xmin,bx,ax;    m[nrl] -= ncl;
   double fx,fb,fa;  
      for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;
   ncom=n;  
   pcom=vector(1,n);    m[nrl][ncl]=(double *) malloc((size_t)((nrow*ncol*nlay+NR_END)*sizeof(double)));
   xicom=vector(1,n);    if (!m[nrl][ncl]) nrerror("allocation failure 3 in matrix()");
   nrfunc=func;    m[nrl][ncl] += NR_END;
   for (j=1;j<=n;j++) {    m[nrl][ncl] -= nll;
     pcom[j]=p[j];    for (j=ncl+1; j<=nch; j++) 
     xicom[j]=xi[j];      m[nrl][j]=m[nrl][j-1]+nlay;
   }    
   ax=0.0;    for (i=nrl+1; i<=nrh; i++) {
   xx=1.0;      m[i][ncl]=m[i-1l][ncl]+ncol*nlay;
   mnbrak(&ax,&xx,&bx,&fa,&fx,&fb,f1dim);      for (j=ncl+1; j<=nch; j++) 
   *fret=brent(ax,xx,bx,f1dim,TOL,&xmin);        m[i][j]=m[i][j-1]+nlay;
 #ifdef DEBUG    }
   printf("retour brent fret=%.12e xmin=%.12e\n",*fret,xmin);    return m; 
 #endif    /*  gdb: p *(m+1) <=> p m[1] and p (m+1) <=> p (m+1) <=> p &(m[1])
   for (j=1;j<=n;j++) {             &(m[i][j][k]) <=> *((*(m+i) + j)+k)
     xi[j] *= xmin;    */
     p[j] += xi[j];  }
   }  
   free_vector(xicom,1,n);  /*************************free ma3x ************************/
   free_vector(pcom,1,n);  void free_ma3x(double ***m, long nrl, long nrh, long ncl, long nch,long nll, long nlh)
 }  {
     free((FREE_ARG)(m[nrl][ncl]+ nll-NR_END));
 /*************** powell ************************/    free((FREE_ARG)(m[nrl]+ncl-NR_END));
 void powell(double p[], double **xi, int n, double ftol, int *iter, double *fret,    free((FREE_ARG)(m+nrl-NR_END));
             double (*func)(double []))  }
 {  
   void linmin(double p[], double xi[], int n, double *fret,  /***************** f1dim *************************/
               double (*func)(double []));  extern int ncom; 
   int i,ibig,j;  extern double *pcom,*xicom;
   double del,t,*pt,*ptt,*xit;  extern double (*nrfunc)(double []); 
   double fp,fptt;   
   double *xits;  double f1dim(double x) 
   pt=vector(1,n);  { 
   ptt=vector(1,n);    int j; 
   xit=vector(1,n);    double f;
   xits=vector(1,n);    double *xt; 
   *fret=(*func)(p);   
   for (j=1;j<=n;j++) pt[j]=p[j];    xt=vector(1,ncom); 
   for (*iter=1;;++(*iter)) {    for (j=1;j<=ncom;j++) xt[j]=pcom[j]+x*xicom[j]; 
     fp=(*fret);    f=(*nrfunc)(xt); 
     ibig=0;    free_vector(xt,1,ncom); 
     del=0.0;    return f; 
     printf("\nPowell iter=%d -2*LL=%.12f",*iter,*fret);  } 
     for (i=1;i<=n;i++)  
       printf(" %d %.12f",i, p[i]);  /*****************brent *************************/
     printf("\n");  double brent(double ax, double bx, double cx, double (*f)(double), double tol,  double *xmin) 
     for (i=1;i<=n;i++) {  { 
       for (j=1;j<=n;j++) xit[j]=xi[j][i];    int iter; 
       fptt=(*fret);    double a,b,d,etemp;
 #ifdef DEBUG    double fu,fv,fw,fx;
       printf("fret=%lf \n",*fret);    double ftemp;
 #endif    double p,q,r,tol1,tol2,u,v,w,x,xm; 
       printf("%d",i);fflush(stdout);    double e=0.0; 
       linmin(p,xit,n,fret,func);   
       if (fabs(fptt-(*fret)) > del) {    a=(ax < cx ? ax : cx); 
         del=fabs(fptt-(*fret));    b=(ax > cx ? ax : cx); 
         ibig=i;    x=w=v=bx; 
       }    fw=fv=fx=(*f)(x); 
 #ifdef DEBUG    for (iter=1;iter<=ITMAX;iter++) { 
       printf("%d %.12e",i,(*fret));      xm=0.5*(a+b); 
       for (j=1;j<=n;j++) {      tol2=2.0*(tol1=tol*fabs(x)+ZEPS); 
         xits[j]=FMAX(fabs(p[j]-pt[j]),1.e-5);      /*          if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret)))*/
         printf(" x(%d)=%.12e",j,xit[j]);      printf(".");fflush(stdout);
       }      fprintf(ficlog,".");fflush(ficlog);
       for(j=1;j<=n;j++)  #ifdef DEBUG
         printf(" p=%.12e",p[j]);      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);
       printf("\n");      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);
 #endif      /*          if ((fabs(x-xm) <= (tol2-0.5*(b-a)))||(2.0*fabs(fu-ftemp) <= ftol*1.e-2*(fabs(fu)+fabs(ftemp)))) { */
     }  #endif
     if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret))) {      if (fabs(x-xm) <= (tol2-0.5*(b-a))){ 
 #ifdef DEBUG        *xmin=x; 
       int k[2],l;        return fx; 
       k[0]=1;      } 
       k[1]=-1;      ftemp=fu;
       printf("Max: %.12e",(*func)(p));      if (fabs(e) > tol1) { 
       for (j=1;j<=n;j++)        r=(x-w)*(fx-fv); 
         printf(" %.12e",p[j]);        q=(x-v)*(fx-fw); 
       printf("\n");        p=(x-v)*q-(x-w)*r; 
       for(l=0;l<=1;l++) {        q=2.0*(q-r); 
         for (j=1;j<=n;j++) {        if (q > 0.0) p = -p; 
           ptt[j]=p[j]+(p[j]-pt[j])*k[l];        q=fabs(q); 
           printf("l=%d j=%d ptt=%.12e, xits=%.12e, p=%.12e, xit=%.12e", l,j,ptt[j],xits[j],p[j],xit[j]);        etemp=e; 
         }        e=d; 
         printf("func(ptt)=%.12e, deriv=%.12e\n",(*func)(ptt),(ptt[j]-p[j])/((*func)(ptt)-(*func)(p)));        if (fabs(p) >= fabs(0.5*q*etemp) || p <= q*(a-x) || p >= q*(b-x)) 
       }          d=CGOLD*(e=(x >= xm ? a-x : b-x)); 
 #endif        else { 
           d=p/q; 
           u=x+d; 
       free_vector(xit,1,n);          if (u-a < tol2 || b-u < tol2) 
       free_vector(xits,1,n);            d=SIGN(tol1,xm-x); 
       free_vector(ptt,1,n);        } 
       free_vector(pt,1,n);      } else { 
       return;        d=CGOLD*(e=(x >= xm ? a-x : b-x)); 
     }      } 
     if (*iter == ITMAX) nrerror("powell exceeding maximum iterations.");      u=(fabs(d) >= tol1 ? x+d : x+SIGN(tol1,d)); 
     for (j=1;j<=n;j++) {      fu=(*f)(u); 
       ptt[j]=2.0*p[j]-pt[j];      if (fu <= fx) { 
       xit[j]=p[j]-pt[j];        if (u >= x) a=x; else b=x; 
       pt[j]=p[j];        SHFT(v,w,x,u) 
     }          SHFT(fv,fw,fx,fu) 
     fptt=(*func)(ptt);          } else { 
     if (fptt < fp) {            if (u < x) a=u; else b=u; 
       t=2.0*(fp-2.0*(*fret)+fptt)*SQR(fp-(*fret)-del)-del*SQR(fp-fptt);            if (fu <= fw || w == x) { 
       if (t < 0.0) {              v=w; 
         linmin(p,xit,n,fret,func);              w=u; 
         for (j=1;j<=n;j++) {              fv=fw; 
           xi[j][ibig]=xi[j][n];              fw=fu; 
           xi[j][n]=xit[j];            } else if (fu <= fv || v == x || v == w) { 
         }              v=u; 
 #ifdef DEBUG              fv=fu; 
         printf("Direction changed  last moved %d in place of ibig=%d, new last is the average:\n",n,ibig);            } 
         for(j=1;j<=n;j++)          } 
           printf(" %.12e",xit[j]);    } 
         printf("\n");    nrerror("Too many iterations in brent"); 
 #endif    *xmin=x; 
       }    return fx; 
     }  } 
   }  
 }  /****************** mnbrak ***********************/
   
 /**** Prevalence limit ****************/  void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb, double *fc, 
               double (*func)(double)) 
 double **prevalim(double **prlim, int nlstate, double x[], double age, double **oldm, double **savm, double ftolpl, int ij)  { 
 {    double ulim,u,r,q, dum;
   /* Computes the prevalence limit in each live state at age x by left multiplying the unit    double fu; 
      matrix by transitions matrix until convergence is reached */   
     *fa=(*func)(*ax); 
   int i, ii,j,k;    *fb=(*func)(*bx); 
   double min, max, maxmin, maxmax,sumnew=0.;    if (*fb > *fa) { 
   double **matprod2();      SHFT(dum,*ax,*bx,dum) 
   double **out, cov[NCOVMAX], **pmij();        SHFT(dum,*fb,*fa,dum) 
   double **newm;        } 
   double agefin, delaymax=50 ; /* Max number of years to converge */    *cx=(*bx)+GOLD*(*bx-*ax); 
     *fc=(*func)(*cx); 
   for (ii=1;ii<=nlstate+ndeath;ii++)    while (*fb > *fc) { 
     for (j=1;j<=nlstate+ndeath;j++){      r=(*bx-*ax)*(*fb-*fc); 
       oldm[ii][j]=(ii==j ? 1.0 : 0.0);      q=(*bx-*cx)*(*fb-*fa); 
     }      u=(*bx)-((*bx-*cx)*q-(*bx-*ax)*r)/ 
         (2.0*SIGN(FMAX(fabs(q-r),TINY),q-r)); 
    cov[1]=1.;      ulim=(*bx)+GLIMIT*(*cx-*bx); 
        if ((*bx-u)*(u-*cx) > 0.0) { 
  /* Even if hstepm = 1, at least one multiplication by the unit matrix */        fu=(*func)(u); 
   for(agefin=age-stepm/YEARM; agefin>=age-delaymax; agefin=agefin-stepm/YEARM){      } else if ((*cx-u)*(u-ulim) > 0.0) { 
     newm=savm;        fu=(*func)(u); 
     /* Covariates have to be included here again */        if (fu < *fc) { 
      cov[2]=agefin;          SHFT(*bx,*cx,u,*cx+GOLD*(*cx-*bx)) 
              SHFT(*fb,*fc,fu,(*func)(u)) 
       for (k=1; k<=cptcovn;k++) {            } 
         cov[2+k]=nbcode[Tvar[k]][codtab[ij][Tvar[k]]];      } else if ((u-ulim)*(ulim-*cx) >= 0.0) { 
         /*printf("ij=%d Tvar[k]=%d nbcode=%d cov=%lf\n",ij, Tvar[k],nbcode[Tvar[k]][codtab[ij][Tvar[k]]],cov[2+k]);*/        u=ulim; 
       }        fu=(*func)(u); 
       for (k=1; k<=cptcovage;k++)      } else { 
         cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];        u=(*cx)+GOLD*(*cx-*bx); 
       for (k=1; k<=cptcovprod;k++)        fu=(*func)(u); 
         cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];      } 
       SHFT(*ax,*bx,*cx,u) 
       /*printf("ij=%d cptcovprod=%d tvar=%d ", ij, cptcovprod, Tvar[1]);*/        SHFT(*fa,*fb,*fc,fu) 
       /*printf("ij=%d cov[3]=%lf cov[4]=%lf \n",ij, cov[3],cov[4]);*/        } 
   } 
     out=matprod2(newm, pmij(pmmij,cov,ncovmodel,x,nlstate),1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm);  
   /*************** linmin ************************/
     savm=oldm;  
     oldm=newm;  int ncom; 
     maxmax=0.;  double *pcom,*xicom;
     for(j=1;j<=nlstate;j++){  double (*nrfunc)(double []); 
       min=1.;   
       max=0.;  void linmin(double p[], double xi[], int n, double *fret,double (*func)(double [])) 
       for(i=1; i<=nlstate; i++) {  { 
         sumnew=0;    double brent(double ax, double bx, double cx, 
         for(k=1; k<=ndeath; k++) sumnew+=newm[i][nlstate+k];                 double (*f)(double), double tol, double *xmin); 
         prlim[i][j]= newm[i][j]/(1-sumnew);    double f1dim(double x); 
         max=FMAX(max,prlim[i][j]);    void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb, 
         min=FMIN(min,prlim[i][j]);                double *fc, double (*func)(double)); 
       }    int j; 
       maxmin=max-min;    double xx,xmin,bx,ax; 
       maxmax=FMAX(maxmax,maxmin);    double fx,fb,fa;
     }   
     if(maxmax < ftolpl){    ncom=n; 
       return prlim;    pcom=vector(1,n); 
     }    xicom=vector(1,n); 
   }    nrfunc=func; 
 }    for (j=1;j<=n;j++) { 
       pcom[j]=p[j]; 
 /*************** transition probabilities ***************/      xicom[j]=xi[j]; 
     } 
 double **pmij(double **ps, double *cov, int ncovmodel, double *x, int nlstate )    ax=0.0; 
 {    xx=1.0; 
   double s1, s2;    mnbrak(&ax,&xx,&bx,&fa,&fx,&fb,f1dim); 
   /*double t34;*/    *fret=brent(ax,xx,bx,f1dim,TOL,&xmin); 
   int i,j,j1, nc, ii, jj;  #ifdef DEBUG
     printf("retour brent fret=%.12e xmin=%.12e\n",*fret,xmin);
     for(i=1; i<= nlstate; i++){    fprintf(ficlog,"retour brent fret=%.12e xmin=%.12e\n",*fret,xmin);
     for(j=1; j<i;j++){  #endif
       for (nc=1, s2=0.;nc <=ncovmodel; nc++){    for (j=1;j<=n;j++) { 
         /*s2 += param[i][j][nc]*cov[nc];*/      xi[j] *= xmin; 
         s2 += x[(i-1)*nlstate*ncovmodel+(j-1)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];      p[j] += xi[j]; 
         /*printf("Int j<i s1=%.17e, s2=%.17e\n",s1,s2);*/    } 
       }    free_vector(xicom,1,n); 
       ps[i][j]=s2;    free_vector(pcom,1,n); 
       /*printf("s1=%.17e, s2=%.17e\n",s1,s2);*/  } 
     }  
     for(j=i+1; j<=nlstate+ndeath;j++){  /*************** powell ************************/
       for (nc=1, s2=0.;nc <=ncovmodel; nc++){  void powell(double p[], double **xi, int n, double ftol, int *iter, double *fret, 
         s2 += x[(i-1)*nlstate*ncovmodel+(j-2)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];              double (*func)(double [])) 
         /*printf("Int j>i s1=%.17e, s2=%.17e %lx %lx\n",s1,s2,s1,s2);*/  { 
       }    void linmin(double p[], double xi[], int n, double *fret, 
       ps[i][j]=(s2);                double (*func)(double [])); 
     }    int i,ibig,j; 
   }    double del,t,*pt,*ptt,*xit;
     /*ps[3][2]=1;*/    double fp,fptt;
     double *xits;
   for(i=1; i<= nlstate; i++){    pt=vector(1,n); 
      s1=0;    ptt=vector(1,n); 
     for(j=1; j<i; j++)    xit=vector(1,n); 
       s1+=exp(ps[i][j]);    xits=vector(1,n); 
     for(j=i+1; j<=nlstate+ndeath; j++)    *fret=(*func)(p); 
       s1+=exp(ps[i][j]);    for (j=1;j<=n;j++) pt[j]=p[j]; 
     ps[i][i]=1./(s1+1.);    for (*iter=1;;++(*iter)) { 
     for(j=1; j<i; j++)      fp=(*fret); 
       ps[i][j]= exp(ps[i][j])*ps[i][i];      ibig=0; 
     for(j=i+1; j<=nlstate+ndeath; j++)      del=0.0; 
       ps[i][j]= exp(ps[i][j])*ps[i][i];      printf("\nPowell iter=%d -2*LL=%.12f",*iter,*fret);
     /* ps[i][nlstate+1]=1.-s1- ps[i][i];*/ /* Sum should be 1 */      fprintf(ficlog,"\nPowell iter=%d -2*LL=%.12f",*iter,*fret);
   } /* end i */      fprintf(ficrespow,"%d %.12f",*iter,*fret);
       for (i=1;i<=n;i++) {
   for(ii=nlstate+1; ii<= nlstate+ndeath; ii++){        printf(" %d %.12f",i, p[i]);
     for(jj=1; jj<= nlstate+ndeath; jj++){        fprintf(ficlog," %d %.12lf",i, p[i]);
       ps[ii][jj]=0;        fprintf(ficrespow," %.12lf", p[i]);
       ps[ii][ii]=1;      }
     }      printf("\n");
   }      fprintf(ficlog,"\n");
       fprintf(ficrespow,"\n");
       for (i=1;i<=n;i++) { 
   /*   for(ii=1; ii<= nlstate+ndeath; ii++){        for (j=1;j<=n;j++) xit[j]=xi[j][i]; 
     for(jj=1; jj<= nlstate+ndeath; jj++){        fptt=(*fret); 
      printf("%lf ",ps[ii][jj]);  #ifdef DEBUG
    }        printf("fret=%lf \n",*fret);
     printf("\n ");        fprintf(ficlog,"fret=%lf \n",*fret);
     }  #endif
     printf("\n ");printf("%lf ",cov[2]);*/        printf("%d",i);fflush(stdout);
 /*        fprintf(ficlog,"%d",i);fflush(ficlog);
   for(i=1; i<= npar; i++) printf("%f ",x[i]);        linmin(p,xit,n,fret,func); 
   goto end;*/        if (fabs(fptt-(*fret)) > del) { 
     return ps;          del=fabs(fptt-(*fret)); 
 }          ibig=i; 
         } 
 /**************** Product of 2 matrices ******************/  #ifdef DEBUG
         printf("%d %.12e",i,(*fret));
 double **matprod2(double **out, double **in,long nrl, long nrh, long ncl, long nch, long ncolol, long ncoloh, double **b)        fprintf(ficlog,"%d %.12e",i,(*fret));
 {        for (j=1;j<=n;j++) {
   /* Computes the matrix product of in(1,nrh-nrl+1)(1,nch-ncl+1) times          xits[j]=FMAX(fabs(p[j]-pt[j]),1.e-5);
      b(1,nch-ncl+1)(1,ncoloh-ncolol+1) into out(...) */          printf(" x(%d)=%.12e",j,xit[j]);
   /* in, b, out are matrice of pointers which should have been initialized          fprintf(ficlog," x(%d)=%.12e",j,xit[j]);
      before: only the contents of out is modified. The function returns        }
      a pointer to pointers identical to out */        for(j=1;j<=n;j++) {
   long i, j, k;          printf(" p=%.12e",p[j]);
   for(i=nrl; i<= nrh; i++)          fprintf(ficlog," p=%.12e",p[j]);
     for(k=ncolol; k<=ncoloh; k++)        }
       for(j=ncl,out[i][k]=0.; j<=nch; j++)        printf("\n");
         out[i][k] +=in[i][j]*b[j][k];        fprintf(ficlog,"\n");
   #endif
   return out;      } 
 }      if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret))) {
   #ifdef DEBUG
         int k[2],l;
 /************* Higher Matrix Product ***************/        k[0]=1;
         k[1]=-1;
 double ***hpxij(double ***po, int nhstepm, double age, int hstepm, double *x, int nlstate, int stepm, double **oldm, double **savm, int ij )        printf("Max: %.12e",(*func)(p));
 {        fprintf(ficlog,"Max: %.12e",(*func)(p));
   /* Computes the transition matrix starting at age 'age' over 'nhstepm*hstepm*stepm' month        for (j=1;j<=n;j++) {
      duration (i.e. until          printf(" %.12e",p[j]);
      age (in years)  age+nhstepm*stepm/12) by multiplying nhstepm*hstepm matrices.          fprintf(ficlog," %.12e",p[j]);
      Output is stored in matrix po[i][j][h] for h every 'hstepm' step        }
      (typically every 2 years instead of every month which is too big).        printf("\n");
      Model is determined by parameters x and covariates have to be        fprintf(ficlog,"\n");
      included manually here.        for(l=0;l<=1;l++) {
           for (j=1;j<=n;j++) {
      */            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]);
   int i, j, d, h, k;            fprintf(ficlog,"l=%d j=%d ptt=%.12e, xits=%.12e, p=%.12e, xit=%.12e", l,j,ptt[j],xits[j],p[j],xit[j]);
   double **out, cov[NCOVMAX];          }
   double **newm;          printf("func(ptt)=%.12e, deriv=%.12e\n",(*func)(ptt),(ptt[j]-p[j])/((*func)(ptt)-(*func)(p)));
           fprintf(ficlog,"func(ptt)=%.12e, deriv=%.12e\n",(*func)(ptt),(ptt[j]-p[j])/((*func)(ptt)-(*func)(p)));
   /* Hstepm could be zero and should return the unit matrix */        }
   for (i=1;i<=nlstate+ndeath;i++)  #endif
     for (j=1;j<=nlstate+ndeath;j++){  
       oldm[i][j]=(i==j ? 1.0 : 0.0);  
       po[i][j][0]=(i==j ? 1.0 : 0.0);        free_vector(xit,1,n); 
     }        free_vector(xits,1,n); 
   /* Even if hstepm = 1, at least one multiplication by the unit matrix */        free_vector(ptt,1,n); 
   for(h=1; h <=nhstepm; h++){        free_vector(pt,1,n); 
     for(d=1; d <=hstepm; d++){        return; 
       newm=savm;      } 
       /* Covariates have to be included here again */      if (*iter == ITMAX) nrerror("powell exceeding maximum iterations."); 
       cov[1]=1.;      for (j=1;j<=n;j++) { 
       cov[2]=age+((h-1)*hstepm + (d-1))*stepm/YEARM;        ptt[j]=2.0*p[j]-pt[j]; 
       for (k=1; k<=cptcovn;k++) cov[2+k]=nbcode[Tvar[k]][codtab[ij][Tvar[k]]];        xit[j]=p[j]-pt[j]; 
       for (k=1; k<=cptcovage;k++)        pt[j]=p[j]; 
         cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];      } 
       for (k=1; k<=cptcovprod;k++)      fptt=(*func)(ptt); 
         cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];      if (fptt < fp) { 
         t=2.0*(fp-2.0*(*fret)+fptt)*SQR(fp-(*fret)-del)-del*SQR(fp-fptt); 
         if (t < 0.0) { 
       /*printf("hxi cptcov=%d cptcode=%d\n",cptcov,cptcode);*/          linmin(p,xit,n,fret,func); 
       /*printf("h=%d d=%d age=%f cov=%f\n",h,d,age,cov[2]);*/          for (j=1;j<=n;j++) { 
       out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath,            xi[j][ibig]=xi[j][n]; 
                    pmij(pmmij,cov,ncovmodel,x,nlstate));            xi[j][n]=xit[j]; 
       savm=oldm;          }
       oldm=newm;  #ifdef DEBUG
     }          printf("Direction changed  last moved %d in place of ibig=%d, new last is the average:\n",n,ibig);
     for(i=1; i<=nlstate+ndeath; i++)          fprintf(ficlog,"Direction changed  last moved %d in place of ibig=%d, new last is the average:\n",n,ibig);
       for(j=1;j<=nlstate+ndeath;j++) {          for(j=1;j<=n;j++){
         po[i][j][h]=newm[i][j];            printf(" %.12e",xit[j]);
         /*printf("i=%d j=%d h=%d po[i][j][h]=%f ",i,j,h,po[i][j][h]);            fprintf(ficlog," %.12e",xit[j]);
          */          }
       }          printf("\n");
   } /* end h */          fprintf(ficlog,"\n");
   return po;  #endif
 }        }
       } 
     } 
 /*************** log-likelihood *************/  } 
 double func( double *x)  
 {  /**** Prevalence limit (stable prevalence)  ****************/
   int i, ii, j, k, mi, d, kk;  
   double l, ll[NLSTATEMAX], cov[NCOVMAX];  double **prevalim(double **prlim, int nlstate, double x[], double age, double **oldm, double **savm, double ftolpl, int ij)
   double **out;  {
   double sw; /* Sum of weights */    /* Computes the prevalence limit in each live state at age x by left multiplying the unit
   double lli; /* Individual log likelihood */       matrix by transitions matrix until convergence is reached */
   long ipmx;  
   /*extern weight */    int i, ii,j,k;
   /* We are differentiating ll according to initial status */    double min, max, maxmin, maxmax,sumnew=0.;
   /*  for (i=1;i<=npar;i++) printf("%f ", x[i]);*/    double **matprod2();
   /*for(i=1;i<imx;i++)    double **out, cov[NCOVMAX], **pmij();
     printf(" %d\n",s[4][i]);    double **newm;
   */    double agefin, delaymax=50 ; /* Max number of years to converge */
   cov[1]=1.;  
     for (ii=1;ii<=nlstate+ndeath;ii++)
   for(k=1; k<=nlstate; k++) ll[k]=0.;      for (j=1;j<=nlstate+ndeath;j++){
   for (i=1,ipmx=0, sw=0.; i<=imx; i++){        oldm[ii][j]=(ii==j ? 1.0 : 0.0);
     for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];      }
     for(mi=1; mi<= wav[i]-1; mi++){  
       for (ii=1;ii<=nlstate+ndeath;ii++)     cov[1]=1.;
         for (j=1;j<=nlstate+ndeath;j++) oldm[ii][j]=(ii==j ? 1.0 : 0.0);   
       for(d=0; d<dh[mi][i]; d++){   /* Even if hstepm = 1, at least one multiplication by the unit matrix */
         newm=savm;    for(agefin=age-stepm/YEARM; agefin>=age-delaymax; agefin=agefin-stepm/YEARM){
         cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;      newm=savm;
         for (kk=1; kk<=cptcovage;kk++) {      /* Covariates have to be included here again */
           cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];       cov[2]=agefin;
         }    
                for (k=1; k<=cptcovn;k++) {
         out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,          cov[2+k]=nbcode[Tvar[k]][codtab[ij][Tvar[k]]];
                      1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));          /*      printf("ij=%d k=%d Tvar[k]=%d nbcode=%d cov=%lf codtab[ij][Tvar[k]]=%d \n",ij,k, Tvar[k],nbcode[Tvar[k]][codtab[ij][Tvar[k]]],cov[2+k], codtab[ij][Tvar[k]]);*/
         savm=oldm;        }
         oldm=newm;        for (k=1; k<=cptcovage;k++) cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];
                for (k=1; k<=cptcovprod;k++)
                  cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];
       } /* end mult */  
              /*printf("ij=%d cptcovprod=%d tvar=%d ", ij, cptcovprod, Tvar[1]);*/
       lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);        /*printf("ij=%d cov[3]=%lf cov[4]=%lf \n",ij, cov[3],cov[4]);*/
       /* printf(" %f ",out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);*/        /*printf("ij=%d cov[3]=%lf \n",ij, cov[3]);*/
       ipmx +=1;      out=matprod2(newm, pmij(pmmij,cov,ncovmodel,x,nlstate),1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm);
       sw += weight[i];  
       ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;      savm=oldm;
     } /* end of wave */      oldm=newm;
   } /* end of individual */      maxmax=0.;
       for(j=1;j<=nlstate;j++){
   for(k=1,l=0.; k<=nlstate; k++) l += ll[k];        min=1.;
   /* printf("l1=%f l2=%f ",ll[1],ll[2]); */        max=0.;
   l= l*ipmx/sw; /* To get the same order of magnitude as if weight=1 for every body */        for(i=1; i<=nlstate; i++) {
   return -l;          sumnew=0;
 }          for(k=1; k<=ndeath; k++) sumnew+=newm[i][nlstate+k];
           prlim[i][j]= newm[i][j]/(1-sumnew);
           max=FMAX(max,prlim[i][j]);
 /*********** Maximum Likelihood Estimation ***************/          min=FMIN(min,prlim[i][j]);
         }
 void mlikeli(FILE *ficres,double p[], int npar, int ncovmodel, int nlstate, double ftol, double (*func)(double []))        maxmin=max-min;
 {        maxmax=FMAX(maxmax,maxmin);
   int i,j, iter;      }
   double **xi,*delti;      if(maxmax < ftolpl){
   double fret;        return prlim;
   xi=matrix(1,npar,1,npar);      }
   for (i=1;i<=npar;i++)    }
     for (j=1;j<=npar;j++)  }
       xi[i][j]=(i==j ? 1.0 : 0.0);  
   printf("Powell\n");  /*************** transition probabilities ***************/ 
   powell(p,xi,npar,ftol,&iter,&fret,func);  
   double **pmij(double **ps, double *cov, int ncovmodel, double *x, int nlstate )
    printf("\n#Number of iterations = %d, -2 Log likelihood = %.12f\n",iter,func(p));  {
   fprintf(ficres,"#Number of iterations = %d, -2 Log likelihood = %.12f ",iter,func(p));    double s1, s2;
     /*double t34;*/
 }    int i,j,j1, nc, ii, jj;
   
 /**** Computes Hessian and covariance matrix ***/      for(i=1; i<= nlstate; i++){
 void hesscov(double **matcov, double p[], int npar, double delti[], double ftolhess, double (*func)(double []))      for(j=1; j<i;j++){
 {        for (nc=1, s2=0.;nc <=ncovmodel; nc++){
   double  **a,**y,*x,pd;          /*s2 += param[i][j][nc]*cov[nc];*/
   double **hess;          s2 += x[(i-1)*nlstate*ncovmodel+(j-1)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];
   int i, j,jk;          /*printf("Int j<i s1=%.17e, s2=%.17e\n",s1,s2);*/
   int *indx;        }
         ps[i][j]=s2;
   double hessii(double p[], double delta, int theta, double delti[]);        /*printf("s1=%.17e, s2=%.17e\n",s1,s2);*/
   double hessij(double p[], double delti[], int i, int j);      }
   void lubksb(double **a, int npar, int *indx, double b[]) ;      for(j=i+1; j<=nlstate+ndeath;j++){
   void ludcmp(double **a, int npar, int *indx, double *d) ;        for (nc=1, s2=0.;nc <=ncovmodel; nc++){
           s2 += x[(i-1)*nlstate*ncovmodel+(j-2)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];
   hess=matrix(1,npar,1,npar);          /*printf("Int j>i s1=%.17e, s2=%.17e %lx %lx\n",s1,s2,s1,s2);*/
         }
   printf("\nCalculation of the hessian matrix. Wait...\n");        ps[i][j]=s2;
   for (i=1;i<=npar;i++){      }
     printf("%d",i);fflush(stdout);    }
     hess[i][i]=hessii(p,ftolhess,i,delti);      /*ps[3][2]=1;*/
     /*printf(" %f ",p[i]);*/  
     /*printf(" %lf ",hess[i][i]);*/    for(i=1; i<= nlstate; i++){
   }       s1=0;
        for(j=1; j<i; j++)
   for (i=1;i<=npar;i++) {        s1+=exp(ps[i][j]);
     for (j=1;j<=npar;j++)  {      for(j=i+1; j<=nlstate+ndeath; j++)
       if (j>i) {        s1+=exp(ps[i][j]);
         printf(".%d%d",i,j);fflush(stdout);      ps[i][i]=1./(s1+1.);
         hess[i][j]=hessij(p,delti,i,j);      for(j=1; j<i; j++)
         hess[j][i]=hess[i][j];            ps[i][j]= exp(ps[i][j])*ps[i][i];
         /*printf(" %lf ",hess[i][j]);*/      for(j=i+1; j<=nlstate+ndeath; j++)
       }        ps[i][j]= exp(ps[i][j])*ps[i][i];
     }      /* ps[i][nlstate+1]=1.-s1- ps[i][i];*/ /* Sum should be 1 */
   }    } /* end i */
   printf("\n");  
     for(ii=nlstate+1; ii<= nlstate+ndeath; ii++){
   printf("\nInverting the hessian to get the covariance matrix. Wait...\n");      for(jj=1; jj<= nlstate+ndeath; jj++){
          ps[ii][jj]=0;
   a=matrix(1,npar,1,npar);        ps[ii][ii]=1;
   y=matrix(1,npar,1,npar);      }
   x=vector(1,npar);    }
   indx=ivector(1,npar);  
   for (i=1;i<=npar;i++)  
     for (j=1;j<=npar;j++) a[i][j]=hess[i][j];    /*   for(ii=1; ii<= nlstate+ndeath; ii++){
   ludcmp(a,npar,indx,&pd);      for(jj=1; jj<= nlstate+ndeath; jj++){
        printf("%lf ",ps[ii][jj]);
   for (j=1;j<=npar;j++) {     }
     for (i=1;i<=npar;i++) x[i]=0;      printf("\n ");
     x[j]=1;      }
     lubksb(a,npar,indx,x);      printf("\n ");printf("%lf ",cov[2]);*/
     for (i=1;i<=npar;i++){  /*
       matcov[i][j]=x[i];    for(i=1; i<= npar; i++) printf("%f ",x[i]);
     }    goto end;*/
   }      return ps;
   }
   printf("\n#Hessian matrix#\n");  
   for (i=1;i<=npar;i++) {  /**************** Product of 2 matrices ******************/
     for (j=1;j<=npar;j++) {  
       printf("%.3e ",hess[i][j]);  double **matprod2(double **out, double **in,long nrl, long nrh, long ncl, long nch, long ncolol, long ncoloh, double **b)
     }  {
     printf("\n");    /* 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(...) */
     /* in, b, out are matrice of pointers which should have been initialized 
   /* Recompute Inverse */       before: only the contents of out is modified. The function returns
   for (i=1;i<=npar;i++)       a pointer to pointers identical to out */
     for (j=1;j<=npar;j++) a[i][j]=matcov[i][j];    long i, j, k;
   ludcmp(a,npar,indx,&pd);    for(i=nrl; i<= nrh; i++)
       for(k=ncolol; k<=ncoloh; k++)
   /*  printf("\n#Hessian matrix recomputed#\n");        for(j=ncl,out[i][k]=0.; j<=nch; j++)
           out[i][k] +=in[i][j]*b[j][k];
   for (j=1;j<=npar;j++) {  
     for (i=1;i<=npar;i++) x[i]=0;    return out;
     x[j]=1;  }
     lubksb(a,npar,indx,x);  
     for (i=1;i<=npar;i++){  
       y[i][j]=x[i];  /************* Higher Matrix Product ***************/
       printf("%.3e ",y[i][j]);  
     }  double ***hpxij(double ***po, int nhstepm, double age, int hstepm, double *x, int nlstate, int stepm, double **oldm, double **savm, int ij )
     printf("\n");  {
   }    /* Computes the transition matrix starting at age 'age' over 
   */       'nhstepm*hstepm*stepm' months (i.e. until
        age (in years)  age+nhstepm*hstepm*stepm/12) by multiplying 
   free_matrix(a,1,npar,1,npar);       nhstepm*hstepm matrices. 
   free_matrix(y,1,npar,1,npar);       Output is stored in matrix po[i][j][h] for h every 'hstepm' step 
   free_vector(x,1,npar);       (typically every 2 years instead of every month which is too big 
   free_ivector(indx,1,npar);       for the memory).
   free_matrix(hess,1,npar,1,npar);       Model is determined by parameters x and covariates have to be 
        included manually here. 
   
 }       */
   
 /*************** hessian matrix ****************/    int i, j, d, h, k;
 double hessii( double x[], double delta, int theta, double delti[])    double **out, cov[NCOVMAX];
 {    double **newm;
   int i;  
   int l=1, lmax=20;    /* Hstepm could be zero and should return the unit matrix */
   double k1,k2;    for (i=1;i<=nlstate+ndeath;i++)
   double p2[NPARMAX+1];      for (j=1;j<=nlstate+ndeath;j++){
   double res;        oldm[i][j]=(i==j ? 1.0 : 0.0);
   double delt, delts, nkhi=10.,nkhif=1., khi=1.e-4;        po[i][j][0]=(i==j ? 1.0 : 0.0);
   double fx;      }
   int k=0,kmax=10;    /* Even if hstepm = 1, at least one multiplication by the unit matrix */
   double l1;    for(h=1; h <=nhstepm; h++){
       for(d=1; d <=hstepm; d++){
   fx=func(x);        newm=savm;
   for (i=1;i<=npar;i++) p2[i]=x[i];        /* Covariates have to be included here again */
   for(l=0 ; l <=lmax; l++){        cov[1]=1.;
     l1=pow(10,l);        cov[2]=age+((h-1)*hstepm + (d-1))*stepm/YEARM;
     delts=delt;        for (k=1; k<=cptcovn;k++) cov[2+k]=nbcode[Tvar[k]][codtab[ij][Tvar[k]]];
     for(k=1 ; k <kmax; k=k+1){        for (k=1; k<=cptcovage;k++)
       delt = delta*(l1*k);          cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];
       p2[theta]=x[theta] +delt;        for (k=1; k<=cptcovprod;k++)
       k1=func(p2)-fx;          cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];
       p2[theta]=x[theta]-delt;  
       k2=func(p2)-fx;  
       /*res= (k1-2.0*fx+k2)/delt/delt; */        /*printf("hxi cptcov=%d cptcode=%d\n",cptcov,cptcode);*/
       res= (k1+k2)/delt/delt/2.; /* Divided by because L and not 2*L */        /*printf("h=%d d=%d age=%f cov=%f\n",h,d,age,cov[2]);*/
              out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, 
 #ifdef DEBUG                     pmij(pmmij,cov,ncovmodel,x,nlstate));
       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);        savm=oldm;
 #endif        oldm=newm;
       /*if(fabs(k1-2.0*fx+k2) <1.e-13){ */      }
       if((k1 <khi/nkhi/2.) || (k2 <khi/nkhi/2.)){      for(i=1; i<=nlstate+ndeath; i++)
         k=kmax;        for(j=1;j<=nlstate+ndeath;j++) {
       }          po[i][j][h]=newm[i][j];
       else if((k1 >khi/nkhif) || (k2 >khi/nkhif)){ /* Keeps lastvalue before 3.84/2 KHI2 5% 1d.f. */          /*printf("i=%d j=%d h=%d po[i][j][h]=%f ",i,j,h,po[i][j][h]);
         k=kmax; l=lmax*10.;           */
       }        }
       else if((k1 >khi/nkhi) || (k2 >khi/nkhi)){    } /* end h */
         delts=delt;    return po;
       }  }
     }  
   }  
   delti[theta]=delts;  /*************** log-likelihood *************/
   return res;  double func( double *x)
    {
 }    int i, ii, j, k, mi, d, kk;
     double l, ll[NLSTATEMAX], cov[NCOVMAX];
 double hessij( double x[], double delti[], int thetai,int thetaj)    double **out;
 {    double sw; /* Sum of weights */
   int i;    double lli; /* Individual log likelihood */
   int l=1, l1, lmax=20;    int s1, s2;
   double k1,k2,k3,k4,res,fx;    double bbh, survp;
   double p2[NPARMAX+1];    long ipmx;
   int k;    /*extern weight */
     /* We are differentiating ll according to initial status */
   fx=func(x);    /*  for (i=1;i<=npar;i++) printf("%f ", x[i]);*/
   for (k=1; k<=2; k++) {    /*for(i=1;i<imx;i++) 
     for (i=1;i<=npar;i++) p2[i]=x[i];      printf(" %d\n",s[4][i]);
     p2[thetai]=x[thetai]+delti[thetai]/k;    */
     p2[thetaj]=x[thetaj]+delti[thetaj]/k;    cov[1]=1.;
     k1=func(p2)-fx;  
      for(k=1; k<=nlstate; k++) ll[k]=0.;
     p2[thetai]=x[thetai]+delti[thetai]/k;  
     p2[thetaj]=x[thetaj]-delti[thetaj]/k;    if(mle==1){
     k2=func(p2)-fx;      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
          for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
     p2[thetai]=x[thetai]-delti[thetai]/k;        for(mi=1; mi<= wav[i]-1; mi++){
     p2[thetaj]=x[thetaj]+delti[thetaj]/k;          for (ii=1;ii<=nlstate+ndeath;ii++)
     k3=func(p2)-fx;            for (j=1;j<=nlstate+ndeath;j++){
                oldm[ii][j]=(ii==j ? 1.0 : 0.0);
     p2[thetai]=x[thetai]-delti[thetai]/k;              savm[ii][j]=(ii==j ? 1.0 : 0.0);
     p2[thetaj]=x[thetaj]-delti[thetaj]/k;            }
     k4=func(p2)-fx;          for(d=0; d<dh[mi][i]; d++){
     res=(k1-k2-k3+k4)/4.0/delti[thetai]*k/delti[thetaj]*k/2.; /* Because of L not 2*L */            newm=savm;
 #ifdef DEBUG            cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
     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);            for (kk=1; kk<=cptcovage;kk++) {
 #endif              cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
   }            }
   return res;            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
 }                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
             savm=oldm;
 /************** Inverse of matrix **************/            oldm=newm;
 void ludcmp(double **a, int n, int *indx, double *d)          } /* end mult */
 {        
   int i,imax,j,k;          /*lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);*/ /* Original formula */
   double big,dum,sum,temp;          /* But now since version 0.9 we anticipate for bias and large stepm.
   double *vv;           * 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 
   vv=vector(1,n);           * the nearest (and in case of equal distance, to the lowest) interval but now
   *d=1.0;           * we keep into memory the bias bh[mi][i] and also the previous matrix product
   for (i=1;i<=n;i++) {           * (i.e to dh[mi][i]-1) saved in 'savm'. The we inter(extra)polate the
     big=0.0;           * probability in order to take into account the bias as a fraction of the way
     for (j=1;j<=n;j++)           * from savm to out if bh is neagtive or even beyond if bh is positive. bh varies
       if ((temp=fabs(a[i][j])) > big) big=temp;           * -stepm/2 to stepm/2 .
     if (big == 0.0) nrerror("Singular matrix in routine ludcmp");           * For stepm=1 the results are the same as for previous versions of Imach.
     vv[i]=1.0/big;           * For stepm > 1 the results are less biased than in previous versions. 
   }           */
   for (j=1;j<=n;j++) {          s1=s[mw[mi][i]][i];
     for (i=1;i<j;i++) {          s2=s[mw[mi+1][i]][i];
       sum=a[i][j];          bbh=(double)bh[mi][i]/(double)stepm; 
       for (k=1;k<i;k++) sum -= a[i][k]*a[k][j];          /* bias is positive if real duration
       a[i][j]=sum;           * is higher than the multiple of stepm and negative otherwise.
     }           */
     big=0.0;          /* lli= (savm[s1][s2]>1.e-8 ?(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]):log((1.+bbh)*out[s1][s2]));*/
     for (i=j;i<=n;i++) {          if( s2 > nlstate){ 
       sum=a[i][j];            /* i.e. if s2 is a death state and if the date of death is known then the contribution
       for (k=1;k<j;k++)               to the likelihood is the probability to die between last step unit time and current 
         sum -= a[i][k]*a[k][j];               step unit time, which is also the differences between probability to die before dh 
       a[i][j]=sum;               and probability to die before dh-stepm . 
       if ( (dum=vv[i]*fabs(sum)) >= big) {               In version up to 0.92 likelihood was computed
         big=dum;          as if date of death was unknown. Death was treated as any other
         imax=i;          health state: the date of the interview describes the actual state
       }          and not the date of a change in health state. The former idea was
     }          to consider that at each interview the state was recorded
     if (j != imax) {          (healthy, disable or death) and IMaCh was corrected; but when we
       for (k=1;k<=n;k++) {          introduced the exact date of death then we should have modified
         dum=a[imax][k];          the contribution of an exact death to the likelihood. This new
         a[imax][k]=a[j][k];          contribution is smaller and very dependent of the step unit
         a[j][k]=dum;          stepm. It is no more the probability to die between last interview
       }          and month of death but the probability to survive from last
       *d = -(*d);          interview up to one month before death multiplied by the
       vv[imax]=vv[j];          probability to die within a month. Thanks to Chris
     }          Jackson for correcting this bug.  Former versions increased
     indx[j]=imax;          mortality artificially. The bad side is that we add another loop
     if (a[j][j] == 0.0) a[j][j]=TINY;          which slows down the processing. The difference can be up to 10%
     if (j != n) {          lower mortality.
       dum=1.0/(a[j][j]);            */
       for (i=j+1;i<=n;i++) a[i][j] *= dum;            lli=log(out[s1][s2] - savm[s1][s2]);
     }          }else{
   }            lli= log((1.+bbh)*out[s1][s2]- bbh*savm[s1][s2]); /* linear interpolation */
   free_vector(vv,1,n);  /* Doesn't work */            /*  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 */
 ;          } 
 }          /*lli=(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]);*/
           /*if(lli ==000.0)*/
 void lubksb(double **a, int n, int *indx, double b[])          /*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;
   int i,ii=0,ip,j;          sw += weight[i];
   double sum;          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
          } /* end of wave */
   for (i=1;i<=n;i++) {      } /* end of individual */
     ip=indx[i];    }  else if(mle==2){
     sum=b[ip];      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
     b[ip]=b[i];        for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
     if (ii)        for(mi=1; mi<= wav[i]-1; mi++){
       for (j=ii;j<=i-1;j++) sum -= a[i][j]*b[j];          for (ii=1;ii<=nlstate+ndeath;ii++)
     else if (sum) ii=i;            for (j=1;j<=nlstate+ndeath;j++){
     b[i]=sum;              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
   }              savm[ii][j]=(ii==j ? 1.0 : 0.0);
   for (i=n;i>=1;i--) {            }
     sum=b[i];          for(d=0; d<=dh[mi][i]; d++){
     for (j=i+1;j<=n;j++) sum -= a[i][j]*b[j];            newm=savm;
     b[i]=sum/a[i][i];            cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
   }            for (kk=1; kk<=cptcovage;kk++) {
 }              cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
             }
 /************ Frequencies ********************/            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
 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)                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
 {  /* Some frequencies */            savm=oldm;
              oldm=newm;
   int i, m, jk, k1,i1, j1, bool, z1,z2,j;          } /* end mult */
   double ***freq; /* Frequencies */        
   double *pp;          /*lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);*/ /* Original formula */
   double pos, k2, dateintsum=0,k2cpt=0;          /* But now since version 0.9 we anticipate for bias and large stepm.
   FILE *ficresp;           * If stepm is larger than one month (smallest stepm) and if the exact delay 
   char fileresp[FILENAMELENGTH];           * (in months) between two waves is not a multiple of stepm, we rounded to 
            * the nearest (and in case of equal distance, to the lowest) interval but now
   pp=vector(1,nlstate);           * we keep into memory the bias bh[mi][i] and also the previous matrix product
   probs= ma3x(1,AGESUP,1,NCOVMAX, 1,NCOVMAX);           * (i.e to dh[mi][i]-1) saved in 'savm'. The we inter(extra)polate the
   strcpy(fileresp,"p");           * probability in order to take into account the bias as a fraction of the way
   strcat(fileresp,fileres);           * from savm to out if bh is neagtive or even beyond if bh is positive. bh varies
   if((ficresp=fopen(fileresp,"w"))==NULL) {           * -stepm/2 to stepm/2 .
     printf("Problem with prevalence resultfile: %s\n", fileresp);           * For stepm=1 the results are the same as for previous versions of Imach.
     exit(0);           * For stepm > 1 the results are less biased than in previous versions. 
   }           */
   freq= ma3x(-1,nlstate+ndeath,-1,nlstate+ndeath,agemin,agemax+3);          s1=s[mw[mi][i]][i];
   j1=0;          s2=s[mw[mi+1][i]][i];
           bbh=(double)bh[mi][i]/(double)stepm; 
   j=cptcoveff;          /* bias is positive if real duration
   if (cptcovn<1) {j=1;ncodemax[1]=1;}           * is higher than the multiple of stepm and negative otherwise.
            */
   for(k1=1; k1<=j;k1++){          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(i1=1; i1<=ncodemax[k1];i1++){          /* lli= (savm[s1][s2]>1.e-8 ?(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]):log((1.+bbh)*out[s1][s2]));*/
        j1++;          /*lli= (savm[s1][s2]>1.e-8 ?(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]):log((1.-+bh)*out[s1][s2])); */ /* exponential interpolation */
        /*printf("cptcoveff=%d Tvaraff=%d", cptcoveff,Tvaraff[1]);          /*lli=(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]);*/
          scanf("%d", i);*/          /*if(lli ==000.0)*/
         for (i=-1; i<=nlstate+ndeath; i++)            /*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); */
          for (jk=-1; jk<=nlstate+ndeath; jk++)            ipmx +=1;
            for(m=agemin; m <= agemax+3; m++)          sw += weight[i];
              freq[i][jk][m]=0;          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
         } /* end of wave */
         dateintsum=0;      } /* end of individual */
         k2cpt=0;    }  else if(mle==3){  /* exponential inter-extrapolation */
        for (i=1; i<=imx; i++) {      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
          bool=1;        for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
          if  (cptcovn>0) {        for(mi=1; mi<= wav[i]-1; mi++){
            for (z1=1; z1<=cptcoveff; z1++)          for (ii=1;ii<=nlstate+ndeath;ii++)
              if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtab[j1][z1]])            for (j=1;j<=nlstate+ndeath;j++){
                bool=0;              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
          }              savm[ii][j]=(ii==j ? 1.0 : 0.0);
          if (bool==1) {            }
            for(m=firstpass; m<=lastpass; m++){          for(d=0; d<dh[mi][i]; d++){
              k2=anint[m][i]+(mint[m][i]/12.);            newm=savm;
              if ((k2>=dateprev1) && (k2<=dateprev2)) {            cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
                if(agev[m][i]==0) agev[m][i]=agemax+1;            for (kk=1; kk<=cptcovage;kk++) {
                if(agev[m][i]==1) agev[m][i]=agemax+2;              cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
                freq[s[m][i]][s[m+1][i]][(int)agev[m][i]] += weight[i];            }
                freq[s[m][i]][s[m+1][i]][(int) agemax+3] += weight[i];            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
                if ((agev[m][i]>1) && (agev[m][i]< (agemax+3))) {                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
                  dateintsum=dateintsum+k2;            savm=oldm;
                  k2cpt++;            oldm=newm;
                }          } /* end mult */
         
              }          /*lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);*/ /* Original formula */
            }          /* But now since version 0.9 we anticipate for bias and large stepm.
          }           * 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 
         if  (cptcovn>0) {           * the nearest (and in case of equal distance, to the lowest) interval but now
          fprintf(ficresp, "\n#********** Variable ");           * we keep into memory the bias bh[mi][i] and also the previous matrix product
          for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresp, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);           * (i.e to dh[mi][i]-1) saved in 'savm'. The we inter(extra)polate the
        fprintf(ficresp, "**********\n#");           * probability in order to take into account the bias as a fraction of the way
         }           * from savm to out if bh is neagtive or even beyond if bh is positive. bh varies
        for(i=1; i<=nlstate;i++)           * -stepm/2 to stepm/2 .
          fprintf(ficresp, " Age Prev(%d) N(%d) N",i,i);           * For stepm=1 the results are the same as for previous versions of Imach.
        fprintf(ficresp, "\n");           * For stepm > 1 the results are less biased than in previous versions. 
                   */
   for(i=(int)agemin; i <= (int)agemax+3; i++){          s1=s[mw[mi][i]][i];
     if(i==(int)agemax+3)          s2=s[mw[mi+1][i]][i];
       printf("Total");          bbh=(double)bh[mi][i]/(double)stepm; 
     else          /* bias is positive if real duration
       printf("Age %d", i);           * is higher than the multiple of stepm and negative otherwise.
     for(jk=1; jk <=nlstate ; jk++){           */
       for(m=-1, pp[jk]=0; m <=nlstate+ndeath ; m++)          /* 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 */
         pp[jk] += freq[jk][m][i];          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 */
     }          /*lli=(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]);*/
     for(jk=1; jk <=nlstate ; jk++){          /*if(lli ==000.0)*/
       for(m=-1, pos=0; m <=0 ; m++)          /*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); */
         pos += freq[jk][m][i];          ipmx +=1;
       if(pp[jk]>=1.e-10)          sw += weight[i];
         printf(" %d.=%.0f loss[%d]=%.1f%%",jk,pp[jk],jk,100*pos/pp[jk]);          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
       else        } /* end of wave */
         printf(" %d.=%.0f loss[%d]=NaNQ%%",jk,pp[jk],jk);      } /* end of individual */
     }    }else if (mle==4){  /* ml=4 no inter-extrapolation */
       for (i=1,ipmx=0, sw=0.; i<=imx; i++){
      for(jk=1; jk <=nlstate ; jk++){        for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
       for(m=0, pp[jk]=0; m <=nlstate+ndeath; m++)        for(mi=1; mi<= wav[i]-1; mi++){
         pp[jk] += freq[jk][m][i];          for (ii=1;ii<=nlstate+ndeath;ii++)
      }            for (j=1;j<=nlstate+ndeath;j++){
               oldm[ii][j]=(ii==j ? 1.0 : 0.0);
     for(jk=1,pos=0; jk <=nlstate ; jk++)              savm[ii][j]=(ii==j ? 1.0 : 0.0);
       pos += pp[jk];            }
     for(jk=1; jk <=nlstate ; jk++){          for(d=0; d<dh[mi][i]; d++){
       if(pos>=1.e-5)            newm=savm;
         printf(" %d.=%.0f prev[%d]=%.1f%%",jk,pp[jk],jk,100*pp[jk]/pos);            cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
       else            for (kk=1; kk<=cptcovage;kk++) {
         printf(" %d.=%.0f prev[%d]=NaNQ%%",jk,pp[jk],jk);              cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
       if( i <= (int) agemax){            }
         if(pos>=1.e-5){          
           fprintf(ficresp," %d %.5f %.0f %.0f",i,pp[jk]/pos, pp[jk],pos);            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
           probs[i][jk][j1]= pp[jk]/pos;                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
           /*printf("\ni=%d jk=%d j1=%d %.5f %.0f %.0f %f",i,jk,j1,pp[jk]/pos, pp[jk],pos,probs[i][jk][j1]);*/            savm=oldm;
         }            oldm=newm;
       else          } /* end mult */
           fprintf(ficresp," %d NaNq %.0f %.0f",i,pp[jk],pos);        
       }          s1=s[mw[mi][i]][i];
     }          s2=s[mw[mi+1][i]][i];
     for(jk=-1; jk <=nlstate+ndeath; jk++)          if( s2 > nlstate){ 
       for(m=-1; m <=nlstate+ndeath; m++)            lli=log(out[s1][s2] - savm[s1][s2]);
         if(freq[jk][m][i] !=0 ) printf(" %d%d=%.0f",jk,m,freq[jk][m][i]);          }else{
     if(i <= (int) agemax)            lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]); /* Original formula */
       fprintf(ficresp,"\n");          }
     printf("\n");          ipmx +=1;
     }          sw += weight[i];
     }          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
  }  /*      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]); */
   dateintmean=dateintsum/k2cpt;        } /* end of wave */
        } /* end of individual */
   fclose(ficresp);    }else{  /* ml=5 no inter-extrapolation no jackson =0.8a */
   free_ma3x(freq,-1,nlstate+ndeath,-1,nlstate+ndeath,(int) agemin,(int) agemax+3);      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
   free_vector(pp,1,nlstate);        for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
         for(mi=1; mi<= wav[i]-1; mi++){
   /* End of Freq */          for (ii=1;ii<=nlstate+ndeath;ii++)
 }            for (j=1;j<=nlstate+ndeath;j++){
               oldm[ii][j]=(ii==j ? 1.0 : 0.0);
 /************ Prevalence ********************/              savm[ii][j]=(ii==j ? 1.0 : 0.0);
 void prevalence(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 calagedate)            }
 {  /* Some frequencies */          for(d=0; d<dh[mi][i]; d++){
              newm=savm;
   int i, m, jk, k1, i1, j1, bool, z1,z2,j;            cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
   double ***freq; /* Frequencies */            for (kk=1; kk<=cptcovage;kk++) {
   double *pp;              cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
   double pos, k2;            }
           
   pp=vector(1,nlstate);            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
   probs= ma3x(1,AGESUP,1,NCOVMAX, 1,NCOVMAX);                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
              savm=oldm;
   freq=ma3x(-1,nlstate+ndeath,-1,nlstate+ndeath,agemin,agemax+3);            oldm=newm;
   j1=0;          } /* end mult */
          
   j=cptcoveff;          s1=s[mw[mi][i]][i];
   if (cptcovn<1) {j=1;ncodemax[1]=1;}          s2=s[mw[mi+1][i]][i];
            lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]); /* Original formula */
  for(k1=1; k1<=j;k1++){          ipmx +=1;
     for(i1=1; i1<=ncodemax[k1];i1++){          sw += weight[i];
       j1++;          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
            /*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 (i=-1; i<=nlstate+ndeath; i++)          } /* end of wave */
         for (jk=-1; jk<=nlstate+ndeath; jk++)        } /* end of individual */
           for(m=agemin; m <= agemax+3; m++)    } /* End of if */
             freq[i][jk][m]=0;    for(k=1,l=0.; k<=nlstate; k++) l += ll[k];
          /* printf("l1=%f l2=%f ",ll[1],ll[2]); */
       for (i=1; i<=imx; i++) {    l= l*ipmx/sw; /* To get the same order of magnitude as if weight=1 for every body */
         bool=1;    return -l;
         if  (cptcovn>0) {  }
           for (z1=1; z1<=cptcoveff; z1++)  
             if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtab[j1][z1]])  /*************** log-likelihood *************/
               bool=0;  double funcone( double *x)
         }  {
         if (bool==1) {    /* Same as likeli but slower because of a lot of printf and if */
           for(m=firstpass; m<=lastpass; m++){    int i, ii, j, k, mi, d, kk;
             k2=anint[m][i]+(mint[m][i]/12.);    double l, ll[NLSTATEMAX], cov[NCOVMAX];
             if ((k2>=dateprev1) && (k2<=dateprev2)) {    double **out;
               if(agev[m][i]==0) agev[m][i]=agemax+1;    double lli; /* Individual log likelihood */
               if(agev[m][i]==1) agev[m][i]=agemax+2;    double llt;
               freq[s[m][i]][s[m+1][i]][(int)(agev[m][i]+1-((int)calagedate %12)/12.)] += weight[i];    int s1, s2;
               freq[s[m][i]][s[m+1][i]][(int)(agemax+3+1)] += weight[i];      double bbh, survp;
             }    /*extern weight */
           }    /* 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]);
         for(i=(int)agemin; i <= (int)agemax+3; i++){    */
           for(jk=1; jk <=nlstate ; jk++){    cov[1]=1.;
             for(m=-1, pp[jk]=0; m <=nlstate+ndeath ; m++)  
               pp[jk] += freq[jk][m][i];    for(k=1; k<=nlstate; k++) ll[k]=0.;
           }  
           for(jk=1; jk <=nlstate ; jk++){    for (i=1,ipmx=0, sw=0.; i<=imx; i++){
             for(m=-1, pos=0; m <=0 ; m++)      for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
             pos += freq[jk][m][i];      for(mi=1; mi<= wav[i]-1; mi++){
         }        for (ii=1;ii<=nlstate+ndeath;ii++)
                  for (j=1;j<=nlstate+ndeath;j++){
          for(jk=1; jk <=nlstate ; jk++){            oldm[ii][j]=(ii==j ? 1.0 : 0.0);
            for(m=0, pp[jk]=0; m <=nlstate+ndeath; m++)            savm[ii][j]=(ii==j ? 1.0 : 0.0);
              pp[jk] += freq[jk][m][i];          }
          }        for(d=0; d<dh[mi][i]; d++){
                    newm=savm;
          for(jk=1,pos=0; jk <=nlstate ; jk++) pos += pp[jk];          cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
           for (kk=1; kk<=cptcovage;kk++) {
          for(jk=1; jk <=nlstate ; jk++){                      cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
            if( i <= (int) agemax){          }
              if(pos>=1.e-5){          out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
                probs[i][jk][j1]= pp[jk]/pos;                       1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
              }          savm=oldm;
            }          oldm=newm;
          }        } /* end mult */
                  
         }        s1=s[mw[mi][i]][i];
     }        s2=s[mw[mi+1][i]][i];
   }        bbh=(double)bh[mi][i]/(double)stepm; 
          /* bias is positive if real duration
           * is higher than the multiple of stepm and negative otherwise.
   free_ma3x(freq,-1,nlstate+ndeath,-1,nlstate+ndeath,(int) agemin,(int) agemax+3);         */
   free_vector(pp,1,nlstate);        if( s2 > nlstate && (mle <5) ){  /* Jackson */
            lli=log(out[s1][s2] - savm[s1][s2]);
 }  /* End of Freq */        } else if (mle==1){
           lli= log((1.+bbh)*out[s1][s2]- bbh*savm[s1][s2]); /* linear interpolation */
 /************* Waves Concatenation ***************/        } else if(mle==2){
           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 */
 void  concatwav(int wav[], int **dh, int **mw, int **s, double *agedc, double **agev, int  firstpass, int lastpass, int imx, int nlstate, int stepm)        } else if(mle==3){  /* exponential inter-extrapolation */
 {          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 */
   /* Concatenates waves: wav[i] is the number of effective (useful waves) of individual i.        } else if (mle==4){  /* mle=4 no inter-extrapolation */
      Death is a valid wave (if date is known).          lli=log(out[s1][s2]); /* Original formula */
      mw[mi][i] is the mi (mi=1 to wav[i])  effective wave of individual i        } else{  /* ml>=5 no inter-extrapolation no jackson =0.8a */
      dh[m][i] of dh[mw[mi][i][i] is the delay between two effective waves m=mw[mi][i]          lli=log(out[s1][s2]); /* Original formula */
      and mw[mi+1][i]. dh depends on stepm.        } /* End of if */
      */        ipmx +=1;
         sw += weight[i];
   int i, mi, m;        ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
   /* int j, k=0,jk, ju, jl,jmin=1e+5, jmax=-1;  /*       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]); */
      double sum=0., jmean=0.;*/        if(globpr){
           fprintf(ficresilk,"%9d %6d %1d %1d %1d %1d %3d %10.6f %6.4f\
   int j, k=0,jk, ju, jl;   %10.6f %10.6f %10.6f ", \
   double sum=0.;                  num[i],i,s1,s2,mi,mw[mi][i],dh[mi][i],exp(lli),weight[i],
   jmin=1e+5;                  2*weight[i]*lli,out[s1][s2],savm[s1][s2]);
   jmax=-1;          for(k=1,llt=0.,l=0.; k<=nlstate; k++){
   jmean=0.;            llt +=ll[k]*gipmx/gsw;
   for(i=1; i<=imx; i++){            fprintf(ficresilk," %10.6f",-ll[k]*gipmx/gsw);
     mi=0;          }
     m=firstpass;          fprintf(ficresilk," %10.6f\n", -llt);
     while(s[m][i] <= nlstate){        }
       if(s[m][i]>=1)      } /* end of wave */
         mw[++mi][i]=m;    } /* end of individual */
       if(m >=lastpass)    for(k=1,l=0.; k<=nlstate; k++) l += ll[k];
         break;    /* printf("l1=%f l2=%f ",ll[1],ll[2]); */
       else    l= l*ipmx/sw; /* To get the same order of magnitude as if weight=1 for every body */
         m++;    if(globpr==0){ /* First time we count the contributions and weights */
     }/* end while */      gipmx=ipmx;
     if (s[m][i] > nlstate){      gsw=sw;
       mi++;     /* Death is another wave */    }
       /* if(mi==0)  never been interviewed correctly before death */    return -l;
          /* Only death is a correct wave */  }
       mw[mi][i]=m;  
     }  char *subdirf(char fileres[])
   {
     wav[i]=mi;    
     if(mi==0)    strcpy(tmpout,optionfilefiname);
       printf("Warning, no any valid information for:%d line=%d\n",num[i],i);    strcat(tmpout,"/"); /* Add to the right */
   }    strcat(tmpout,fileres);
     return tmpout;
   for(i=1; i<=imx; i++){  }
     for(mi=1; mi<wav[i];mi++){  
       if (stepm <=0)  char *subdirf2(char fileres[], char *preop)
         dh[mi][i]=1;  {
       else{    
         if (s[mw[mi+1][i]][i] > nlstate) {    strcpy(tmpout,optionfilefiname);
           if (agedc[i] < 2*AGESUP) {    strcat(tmpout,"/");
           j= rint(agedc[i]*12-agev[mw[mi][i]][i]*12);    strcat(tmpout,preop);
           if(j==0) j=1;  /* Survives at least one month after exam */    strcat(tmpout,fileres);
           k=k+1;    return tmpout;
           if (j >= jmax) jmax=j;  }
           if (j <= jmin) jmin=j;  char *subdirf3(char fileres[], char *preop, char *preop2)
           sum=sum+j;  {
           /* if (j<10) printf("j=%d num=%d ",j,i); */    
           }    strcpy(tmpout,optionfilefiname);
         }    strcat(tmpout,"/");
         else{    strcat(tmpout,preop);
           j= rint( (agev[mw[mi+1][i]][i]*12 - agev[mw[mi][i]][i]*12));    strcat(tmpout,preop2);
           k=k+1;    strcat(tmpout,fileres);
           if (j >= jmax) jmax=j;    return tmpout;
           else if (j <= jmin)jmin=j;  }
           /*   if (j<10) printf("j=%d jmin=%d num=%d ",j,jmin,i); */  
           sum=sum+j;  void likelione(FILE *ficres,double p[], int npar, int nlstate, int *globpri, long *ipmx, double *sw, double *fretone, double (*funcone)(double []))
         }  {
         jk= j/stepm;    /* This routine should help understanding what is done with 
         jl= j -jk*stepm;       the selection of individuals/waves and
         ju= j -(jk+1)*stepm;       to check the exact contribution to the likelihood.
         if(jl <= -ju)       Plotting could be done.
           dh[mi][i]=jk;     */
         else    int k;
           dh[mi][i]=jk+1;  
         if(dh[mi][i]==0)    if(*globpri !=0){ /* Just counts and sums, no printings */
           dh[mi][i]=1; /* At least one step */      strcpy(fileresilk,"ilk"); 
       }      strcat(fileresilk,fileres);
     }      if((ficresilk=fopen(fileresilk,"w"))==NULL) {
   }        printf("Problem with resultfile: %s\n", fileresilk);
   jmean=sum/k;        fprintf(ficlog,"Problem with resultfile: %s\n", fileresilk);
   printf("Delay (in months) between two waves Min=%d Max=%d Mean=%f\n\n ",jmin, jmax,jmean);      }
  }      fprintf(ficresilk, "#individual(line's_record) s1 s2 wave# effective_wave# number_of_matrices_product pij weight -2ln(pij)*weight 0pij_x 0pij_(x-stepm) cumulating_loglikeli_by_health_state(reweighted=-2ll*weightXnumber_of_contribs/sum_of_weights) and_total\n");
 /*********** Tricode ****************************/      fprintf(ficresilk, "#num_i i s1 s2 mi mw dh likeli weight 2wlli out sav ");
 void tricode(int *Tvar, int **nbcode, int imx)      /*  i,s1,s2,mi,mw[mi][i],dh[mi][i],exp(lli),weight[i],2*weight[i]*lli,out[s1][s2],savm[s1][s2]); */
 {      for(k=1; k<=nlstate; k++) 
   int Ndum[20],ij=1, k, j, i;        fprintf(ficresilk," -2*gipw/gsw*weight*ll[%d]++",k);
   int cptcode=0;      fprintf(ficresilk," -2*gipw/gsw*weight*ll(total)\n");
   cptcoveff=0;    }
    
   for (k=0; k<19; k++) Ndum[k]=0;    *fretone=(*funcone)(p);
   for (k=1; k<=7; k++) ncodemax[k]=0;    if(*globpri !=0){
       fclose(ficresilk);
   for (j=1; j<=(cptcovn+2*cptcovprod); j++) {      fprintf(fichtm,"\n<br>File of contributions to the likelihood: <a href=\"%s\">%s</a><br>\n",subdirf(fileresilk),subdirf(fileresilk));
     for (i=1; i<=imx; i++) {      fflush(fichtm); 
       ij=(int)(covar[Tvar[j]][i]);    } 
       Ndum[ij]++;    return;
       /*printf("i=%d ij=%d Ndum[ij]=%d imx=%d",i,ij,Ndum[ij],imx);*/  }
       if (ij > cptcode) cptcode=ij;  
     }  
   /*********** Maximum Likelihood Estimation ***************/
     for (i=0; i<=cptcode; i++) {  
       if(Ndum[i]!=0) ncodemax[j]++;  void mlikeli(FILE *ficres,double p[], int npar, int ncovmodel, int nlstate, double ftol, double (*func)(double []))
     }  {
     ij=1;    int i,j, iter;
     double **xi;
     double fret;
     for (i=1; i<=ncodemax[j]; i++) {    double fretone; /* Only one call to likelihood */
       for (k=0; k<=19; k++) {    char filerespow[FILENAMELENGTH];
         if (Ndum[k] != 0) {    xi=matrix(1,npar,1,npar);
           nbcode[Tvar[j]][ij]=k;    for (i=1;i<=npar;i++)
           ij++;      for (j=1;j<=npar;j++)
         }        xi[i][j]=(i==j ? 1.0 : 0.0);
         if (ij > ncodemax[j]) break;    printf("Powell\n");  fprintf(ficlog,"Powell\n");
       }      strcpy(filerespow,"pow"); 
     }    strcat(filerespow,fileres);
   }      if((ficrespow=fopen(filerespow,"w"))==NULL) {
       printf("Problem with resultfile: %s\n", filerespow);
  for (k=0; k<19; k++) Ndum[k]=0;      fprintf(ficlog,"Problem with resultfile: %s\n", filerespow);
     }
  for (i=1; i<=ncovmodel-2; i++) {    fprintf(ficrespow,"# Powell\n# iter -2*LL");
       ij=Tvar[i];    for (i=1;i<=nlstate;i++)
       Ndum[ij]++;      for(j=1;j<=nlstate+ndeath;j++)
     }        if(j!=i)fprintf(ficrespow," p%1d%1d",i,j);
     fprintf(ficrespow,"\n");
  ij=1;  
  for (i=1; i<=10; i++) {    powell(p,xi,npar,ftol,&iter,&fret,func);
    if((Ndum[i]!=0) && (i<=ncov)){  
      Tvaraff[ij]=i;    fclose(ficrespow);
      ij++;    printf("\n#Number of iterations = %d, -2 Log likelihood = %.12f\n",iter,func(p));
    }    fprintf(ficlog,"\n#Number of iterations = %d, -2 Log likelihood = %.12f \n",iter,func(p));
  }    fprintf(ficres,"#Number of iterations = %d, -2 Log likelihood = %.12f \n",iter,func(p));
    
     cptcoveff=ij-1;  }
 }  
   /**** Computes Hessian and covariance matrix ***/
 /*********** Health Expectancies ****************/  void hesscov(double **matcov, double p[], int npar, double delti[], double ftolhess, double (*func)(double []))
   {
 void evsij(char fileres[], double ***eij, double x[], int nlstate, int stepm, int bage, int fage, double **oldm, double **savm, int ij)    double  **a,**y,*x,pd;
 {    double **hess;
   /* Health expectancies */    int i, j,jk;
   int i, j, nhstepm, hstepm, h;    int *indx;
   double age, agelim,hf;  
   double ***p3mat;    double hessii(double p[], double delta, int theta, double delti[]);
      double hessij(double p[], double delti[], int i, int j);
   fprintf(ficreseij,"# Health expectancies\n");    void lubksb(double **a, int npar, int *indx, double b[]) ;
   fprintf(ficreseij,"# Age");    void ludcmp(double **a, int npar, int *indx, double *d) ;
   for(i=1; i<=nlstate;i++)  
     for(j=1; j<=nlstate;j++)    hess=matrix(1,npar,1,npar);
       fprintf(ficreseij," %1d-%1d",i,j);  
   fprintf(ficreseij,"\n");    printf("\nCalculation of the hessian matrix. Wait...\n");
     fprintf(ficlog,"\nCalculation of the hessian matrix. Wait...\n");
   hstepm=1*YEARM; /*  Every j years of age (in month) */    for (i=1;i<=npar;i++){
   hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */      printf("%d",i);fflush(stdout);
       fprintf(ficlog,"%d",i);fflush(ficlog);
   agelim=AGESUP;      hess[i][i]=hessii(p,ftolhess,i,delti);
   for (age=bage; age<=fage; age ++){ /* If stepm=6 months */      /*printf(" %f ",p[i]);*/
     /* nhstepm age range expressed in number of stepm */      /*printf(" %lf ",hess[i][i]);*/
     nhstepm=(int) rint((agelim-age)*YEARM/stepm);    }
     /* Typically if 20 years = 20*12/6=40 stepm */    
     if (stepm >= YEARM) hstepm=1;    for (i=1;i<=npar;i++) {
     nhstepm = nhstepm/hstepm;/* Expressed in hstepm, typically 40/4=10 */      for (j=1;j<=npar;j++)  {
     p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);        if (j>i) { 
     /* Computed by stepm unit matrices, product of hstepm matrices, stored          printf(".%d%d",i,j);fflush(stdout);
        in an array of nhstepm length: nhstepm=10, hstepm=4, stepm=6 months */          fprintf(ficlog,".%d%d",i,j);fflush(ficlog);
     hpxij(p3mat,nhstepm,age,hstepm,x,nlstate,stepm,oldm, savm, ij);            hess[i][j]=hessij(p,delti,i,j);
           hess[j][i]=hess[i][j];    
           /*printf(" %lf ",hess[i][j]);*/
     for(i=1; i<=nlstate;i++)        }
       for(j=1; j<=nlstate;j++)      }
         for (h=0, eij[i][j][(int)age]=0; h<=nhstepm; h++){    }
           eij[i][j][(int)age] +=p3mat[i][j][h];    printf("\n");
         }    fprintf(ficlog,"\n");
      
     hf=1;    printf("\nInverting the hessian to get the covariance matrix. Wait...\n");
     if (stepm >= YEARM) hf=stepm/YEARM;    fprintf(ficlog,"\nInverting the hessian to get the covariance matrix. Wait...\n");
     fprintf(ficreseij,"%.0f",age );    
     for(i=1; i<=nlstate;i++)    a=matrix(1,npar,1,npar);
       for(j=1; j<=nlstate;j++){    y=matrix(1,npar,1,npar);
         fprintf(ficreseij," %.4f", hf*eij[i][j][(int)age]);    x=vector(1,npar);
       }    indx=ivector(1,npar);
     fprintf(ficreseij,"\n");    for (i=1;i<=npar;i++)
     free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);      for (j=1;j<=npar;j++) a[i][j]=hess[i][j];
   }    ludcmp(a,npar,indx,&pd);
 }  
     for (j=1;j<=npar;j++) {
 /************ Variance ******************/      for (i=1;i<=npar;i++) x[i]=0;
 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)      x[j]=1;
 {      lubksb(a,npar,indx,x);
   /* Variance of health expectancies */      for (i=1;i<=npar;i++){ 
   /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double ** savm,double ftolpl);*/        matcov[i][j]=x[i];
   double **newm;      }
   double **dnewm,**doldm;    }
   int i, j, nhstepm, hstepm, h;  
   int k, cptcode;    printf("\n#Hessian matrix#\n");
   double *xp;    fprintf(ficlog,"\n#Hessian matrix#\n");
   double **gp, **gm;    for (i=1;i<=npar;i++) { 
   double ***gradg, ***trgradg;      for (j=1;j<=npar;j++) { 
   double ***p3mat;        printf("%.3e ",hess[i][j]);
   double age,agelim;        fprintf(ficlog,"%.3e ",hess[i][j]);
   int theta;      }
       printf("\n");
    fprintf(ficresvij,"# Covariances of life expectancies\n");      fprintf(ficlog,"\n");
   fprintf(ficresvij,"# Age");    }
   for(i=1; i<=nlstate;i++)  
     for(j=1; j<=nlstate;j++)    /* Recompute Inverse */
       fprintf(ficresvij," Cov(e%1d, e%1d)",i,j);    for (i=1;i<=npar;i++)
   fprintf(ficresvij,"\n");      for (j=1;j<=npar;j++) a[i][j]=matcov[i][j];
     ludcmp(a,npar,indx,&pd);
   xp=vector(1,npar);  
   dnewm=matrix(1,nlstate,1,npar);    /*  printf("\n#Hessian matrix recomputed#\n");
   doldm=matrix(1,nlstate,1,nlstate);  
      for (j=1;j<=npar;j++) {
   hstepm=1*YEARM; /* Every year of age */      for (i=1;i<=npar;i++) x[i]=0;
   hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */      x[j]=1;
   agelim = AGESUP;      lubksb(a,npar,indx,x);
   for (age=bage; age<=fage; age ++){ /* If stepm=6 months */      for (i=1;i<=npar;i++){ 
     nhstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */        y[i][j]=x[i];
     if (stepm >= YEARM) hstepm=1;        printf("%.3e ",y[i][j]);
     nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */        fprintf(ficlog,"%.3e ",y[i][j]);
     p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);      }
     gradg=ma3x(0,nhstepm,1,npar,1,nlstate);      printf("\n");
     gp=matrix(0,nhstepm,1,nlstate);      fprintf(ficlog,"\n");
     gm=matrix(0,nhstepm,1,nlstate);    }
     */
     for(theta=1; theta <=npar; theta++){  
       for(i=1; i<=npar; i++){ /* Computes gradient */    free_matrix(a,1,npar,1,npar);
         xp[i] = x[i] + (i==theta ?delti[theta]:0);    free_matrix(y,1,npar,1,npar);
       }    free_vector(x,1,npar);
       hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);      free_ivector(indx,1,npar);
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);    free_matrix(hess,1,npar,1,npar);
   
       if (popbased==1) {  
         for(i=1; i<=nlstate;i++)  }
           prlim[i][i]=probs[(int)age][i][ij];  
       }  /*************** hessian matrix ****************/
        double hessii( double x[], double delta, int theta, double delti[])
       for(j=1; j<= nlstate; j++){  {
         for(h=0; h<=nhstepm; h++){    int i;
           for(i=1, gp[h][j]=0.;i<=nlstate;i++)    int l=1, lmax=20;
             gp[h][j] += prlim[i][i]*p3mat[i][j][h];    double k1,k2;
         }    double p2[NPARMAX+1];
       }    double res;
        double delt, delts, nkhi=10.,nkhif=1., khi=1.e-4;
       for(i=1; i<=npar; i++) /* Computes gradient */    double fx;
         xp[i] = x[i] - (i==theta ?delti[theta]:0);    int k=0,kmax=10;
       hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);      double l1;
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);  
     fx=func(x);
       if (popbased==1) {    for (i=1;i<=npar;i++) p2[i]=x[i];
         for(i=1; i<=nlstate;i++)    for(l=0 ; l <=lmax; l++){
           prlim[i][i]=probs[(int)age][i][ij];      l1=pow(10,l);
       }      delts=delt;
       for(k=1 ; k <kmax; k=k+1){
       for(j=1; j<= nlstate; j++){        delt = delta*(l1*k);
         for(h=0; h<=nhstepm; h++){        p2[theta]=x[theta] +delt;
           for(i=1, gm[h][j]=0.;i<=nlstate;i++)        k1=func(p2)-fx;
             gm[h][j] += prlim[i][i]*p3mat[i][j][h];        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 because L and not 2*L */
       for(j=1; j<= nlstate; j++)        
         for(h=0; h<=nhstepm; h++){  #ifdef DEBUG
           gradg[h][theta][j]= (gp[h][j]-gm[h][j])/2./delti[theta];        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);
     } /* End theta */  #endif
         /*if(fabs(k1-2.0*fx+k2) <1.e-13){ */
     trgradg =ma3x(0,nhstepm,1,nlstate,1,npar);        if((k1 <khi/nkhi/2.) || (k2 <khi/nkhi/2.)){
           k=kmax;
     for(h=0; h<=nhstepm; h++)        }
       for(j=1; j<=nlstate;j++)        else if((k1 >khi/nkhif) || (k2 >khi/nkhif)){ /* Keeps lastvalue before 3.84/2 KHI2 5% 1d.f. */
         for(theta=1; theta <=npar; theta++)          k=kmax; l=lmax*10.;
           trgradg[h][j][theta]=gradg[h][theta][j];        }
         else if((k1 >khi/nkhi) || (k2 >khi/nkhi)){ 
     for(i=1;i<=nlstate;i++)          delts=delt;
       for(j=1;j<=nlstate;j++)        }
         vareij[i][j][(int)age] =0.;      }
     for(h=0;h<=nhstepm;h++){    }
       for(k=0;k<=nhstepm;k++){    delti[theta]=delts;
         matprod2(dnewm,trgradg[h],1,nlstate,1,npar,1,npar,matcov);    return res; 
         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];  double hessij( double x[], double delti[], int thetai,int thetaj)
       }  {
     }    int i;
     h=1;    int l=1, l1, lmax=20;
     if (stepm >= YEARM) h=stepm/YEARM;    double k1,k2,k3,k4,res,fx;
     fprintf(ficresvij,"%.0f ",age );    double p2[NPARMAX+1];
     for(i=1; i<=nlstate;i++)    int k;
       for(j=1; j<=nlstate;j++){  
         fprintf(ficresvij," %.4f", h*vareij[i][j][(int)age]);    fx=func(x);
       }    for (k=1; k<=2; k++) {
     fprintf(ficresvij,"\n");      for (i=1;i<=npar;i++) p2[i]=x[i];
     free_matrix(gp,0,nhstepm,1,nlstate);      p2[thetai]=x[thetai]+delti[thetai]/k;
     free_matrix(gm,0,nhstepm,1,nlstate);      p2[thetaj]=x[thetaj]+delti[thetaj]/k;
     free_ma3x(gradg,0,nhstepm,1,npar,1,nlstate);      k1=func(p2)-fx;
     free_ma3x(trgradg,0,nhstepm,1,nlstate,1,npar);    
     free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);      p2[thetai]=x[thetai]+delti[thetai]/k;
   } /* End age */      p2[thetaj]=x[thetaj]-delti[thetaj]/k;
        k2=func(p2)-fx;
   free_vector(xp,1,npar);    
   free_matrix(doldm,1,nlstate,1,npar);      p2[thetai]=x[thetai]-delti[thetai]/k;
   free_matrix(dnewm,1,nlstate,1,nlstate);      p2[thetaj]=x[thetaj]+delti[thetaj]/k;
       k3=func(p2)-fx;
 }    
       p2[thetai]=x[thetai]-delti[thetai]/k;
 /************ Variance of prevlim ******************/      p2[thetaj]=x[thetaj]-delti[thetaj]/k;
 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)      k4=func(p2)-fx;
 {      res=(k1-k2-k3+k4)/4.0/delti[thetai]*k/delti[thetaj]*k/2.; /* Because of L not 2*L */
   /* Variance of prevalence limit */  #ifdef DEBUG
   /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double ** savm,double ftolpl);*/      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);
   double **newm;      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);
   double **dnewm,**doldm;  #endif
   int i, j, nhstepm, hstepm;    }
   int k, cptcode;    return res;
   double *xp;  }
   double *gp, *gm;  
   double **gradg, **trgradg;  /************** Inverse of matrix **************/
   double age,agelim;  void ludcmp(double **a, int n, int *indx, double *d) 
   int theta;  { 
        int i,imax,j,k; 
   fprintf(ficresvpl,"# Standard deviation of prevalences limit\n");    double big,dum,sum,temp; 
   fprintf(ficresvpl,"# Age");    double *vv; 
   for(i=1; i<=nlstate;i++)   
       fprintf(ficresvpl," %1d-%1d",i,i);    vv=vector(1,n); 
   fprintf(ficresvpl,"\n");    *d=1.0; 
     for (i=1;i<=n;i++) { 
   xp=vector(1,npar);      big=0.0; 
   dnewm=matrix(1,nlstate,1,npar);      for (j=1;j<=n;j++) 
   doldm=matrix(1,nlstate,1,nlstate);        if ((temp=fabs(a[i][j])) > big) big=temp; 
        if (big == 0.0) nrerror("Singular matrix in routine ludcmp"); 
   hstepm=1*YEARM; /* Every year of age */      vv[i]=1.0/big; 
   hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */    } 
   agelim = AGESUP;    for (j=1;j<=n;j++) { 
   for (age=bage; age<=fage; age ++){ /* If stepm=6 months */      for (i=1;i<j;i++) { 
     nhstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */        sum=a[i][j]; 
     if (stepm >= YEARM) hstepm=1;        for (k=1;k<i;k++) sum -= a[i][k]*a[k][j]; 
     nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */        a[i][j]=sum; 
     gradg=matrix(1,npar,1,nlstate);      } 
     gp=vector(1,nlstate);      big=0.0; 
     gm=vector(1,nlstate);      for (i=j;i<=n;i++) { 
         sum=a[i][j]; 
     for(theta=1; theta <=npar; theta++){        for (k=1;k<j;k++) 
       for(i=1; i<=npar; i++){ /* Computes gradient */          sum -= a[i][k]*a[k][j]; 
         xp[i] = x[i] + (i==theta ?delti[theta]:0);        a[i][j]=sum; 
       }        if ( (dum=vv[i]*fabs(sum)) >= big) { 
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);          big=dum; 
       for(i=1;i<=nlstate;i++)          imax=i; 
         gp[i] = prlim[i][i];        } 
          } 
       for(i=1; i<=npar; i++) /* Computes gradient */      if (j != imax) { 
         xp[i] = x[i] - (i==theta ?delti[theta]:0);        for (k=1;k<=n;k++) { 
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);          dum=a[imax][k]; 
       for(i=1;i<=nlstate;i++)          a[imax][k]=a[j][k]; 
         gm[i] = prlim[i][i];          a[j][k]=dum; 
         } 
       for(i=1;i<=nlstate;i++)        *d = -(*d); 
         gradg[theta][i]= (gp[i]-gm[i])/2./delti[theta];        vv[imax]=vv[j]; 
     } /* End theta */      } 
       indx[j]=imax; 
     trgradg =matrix(1,nlstate,1,npar);      if (a[j][j] == 0.0) a[j][j]=TINY; 
       if (j != n) { 
     for(j=1; j<=nlstate;j++)        dum=1.0/(a[j][j]); 
       for(theta=1; theta <=npar; theta++)        for (i=j+1;i<=n;i++) a[i][j] *= dum; 
         trgradg[j][theta]=gradg[theta][j];      } 
     } 
     for(i=1;i<=nlstate;i++)    free_vector(vv,1,n);  /* Doesn't work */
       varpl[i][(int)age] =0.;  ;
     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++)  void lubksb(double **a, int n, int *indx, double b[]) 
       varpl[i][(int)age] = doldm[i][i]; /* Covariances are useless */  { 
     int i,ii=0,ip,j; 
     fprintf(ficresvpl,"%.0f ",age );    double sum; 
     for(i=1; i<=nlstate;i++)   
       fprintf(ficresvpl," %.5f (%.5f)",prlim[i][i],sqrt(varpl[i][(int)age]));    for (i=1;i<=n;i++) { 
     fprintf(ficresvpl,"\n");      ip=indx[i]; 
     free_vector(gp,1,nlstate);      sum=b[ip]; 
     free_vector(gm,1,nlstate);      b[ip]=b[i]; 
     free_matrix(gradg,1,npar,1,nlstate);      if (ii) 
     free_matrix(trgradg,1,nlstate,1,npar);        for (j=ii;j<=i-1;j++) sum -= a[i][j]*b[j]; 
   } /* End age */      else if (sum) ii=i; 
       b[i]=sum; 
   free_vector(xp,1,npar);    } 
   free_matrix(doldm,1,nlstate,1,npar);    for (i=n;i>=1;i--) { 
   free_matrix(dnewm,1,nlstate,1,nlstate);      sum=b[i]; 
       for (j=i+1;j<=n;j++) sum -= a[i][j]*b[j]; 
 }      b[i]=sum/a[i][i]; 
     } 
 /************ Variance of one-step probabilities  ******************/  } 
 void varprob(char fileres[], double **matcov, double x[], double delti[], int nlstate, double bage, double fage, int ij)  
 {  /************ Frequencies ********************/
   int i, j;  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)
   int k=0, cptcode;  {  /* Some frequencies */
   double **dnewm,**doldm;    
   double *xp;    int i, m, jk, k1,i1, j1, bool, z1,z2,j;
   double *gp, *gm;    int first;
   double **gradg, **trgradg;    double ***freq; /* Frequencies */
   double age,agelim, cov[NCOVMAX];    double *pp, **prop;
   int theta;    double pos,posprop, k2, dateintsum=0,k2cpt=0;
   char fileresprob[FILENAMELENGTH];    FILE *ficresp;
     char fileresp[FILENAMELENGTH];
   strcpy(fileresprob,"prob");    
   strcat(fileresprob,fileres);    pp=vector(1,nlstate);
   if((ficresprob=fopen(fileresprob,"w"))==NULL) {    prop=matrix(1,nlstate,iagemin,iagemax+3);
     printf("Problem with resultfile: %s\n", fileresprob);    strcpy(fileresp,"p");
   }    strcat(fileresp,fileres);
   printf("Computing variance of one-step probabilities: result on file '%s' \n",fileresprob);    if((ficresp=fopen(fileresp,"w"))==NULL) {
        printf("Problem with prevalence resultfile: %s\n", fileresp);
       fprintf(ficlog,"Problem with prevalence resultfile: %s\n", fileresp);
   xp=vector(1,npar);      exit(0);
   dnewm=matrix(1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);    }
   doldm=matrix(1,(nlstate+ndeath)*(nlstate+ndeath),1,(nlstate+ndeath)*(nlstate+ndeath));    freq= ma3x(-1,nlstate+ndeath,-1,nlstate+ndeath,iagemin,iagemax+3);
      j1=0;
   cov[1]=1;    
   for (age=bage; age<=fage; age ++){    j=cptcoveff;
     cov[2]=age;    if (cptcovn<1) {j=1;ncodemax[1]=1;}
     gradg=matrix(1,npar,1,9);  
     trgradg=matrix(1,9,1,npar);    first=1;
     gp=vector(1,(nlstate+ndeath)*(nlstate+ndeath));  
     gm=vector(1,(nlstate+ndeath)*(nlstate+ndeath));    for(k1=1; k1<=j;k1++){
          for(i1=1; i1<=ncodemax[k1];i1++){
     for(theta=1; theta <=npar; theta++){        j1++;
       for(i=1; i<=npar; i++)        /*printf("cptcoveff=%d Tvaraff=%d", cptcoveff,Tvaraff[1]);
         xp[i] = x[i] + (i==theta ?delti[theta]:0);          scanf("%d", i);*/
              for (i=-1; i<=nlstate+ndeath; i++)  
       pmij(pmmij,cov,ncovmodel,xp,nlstate);          for (jk=-1; jk<=nlstate+ndeath; jk++)  
                for(m=iagemin; m <= iagemax+3; m++)
       k=0;              freq[i][jk][m]=0;
       for(i=1; i<= (nlstate+ndeath); i++){  
         for(j=1; j<=(nlstate+ndeath);j++){      for (i=1; i<=nlstate; i++)  
            k=k+1;        for(m=iagemin; m <= iagemax+3; m++)
           gp[k]=pmmij[i][j];          prop[i][m]=0;
         }        
       }        dateintsum=0;
         k2cpt=0;
       for(i=1; i<=npar; i++)        for (i=1; i<=imx; i++) {
         xp[i] = x[i] - (i==theta ?delti[theta]:0);          bool=1;
              if  (cptcovn>0) {
             for (z1=1; z1<=cptcoveff; z1++) 
       pmij(pmmij,cov,ncovmodel,xp,nlstate);              if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtab[j1][z1]]) 
       k=0;                bool=0;
       for(i=1; i<=(nlstate+ndeath); i++){          }
         for(j=1; j<=(nlstate+ndeath);j++){          if (bool==1){
           k=k+1;            for(m=firstpass; m<=lastpass; m++){
           gm[k]=pmmij[i][j];              k2=anint[m][i]+(mint[m][i]/12.);
         }              /*if ((k2>=dateprev1) && (k2<=dateprev2)) {*/
       }                if(agev[m][i]==0) agev[m][i]=iagemax+1;
                      if(agev[m][i]==1) agev[m][i]=iagemax+2;
        for(i=1; i<= (nlstate+ndeath)*(nlstate+ndeath); i++)                if (s[m][i]>0 && s[m][i]<=nlstate) prop[s[m][i]][(int)agev[m][i]] += weight[i];
            gradg[theta][i]=(gp[i]-gm[i])/2./delti[theta];                  if (m<lastpass) {
     }                  freq[s[m][i]][s[m+1][i]][(int)agev[m][i]] += weight[i];
                   freq[s[m][i]][s[m+1][i]][iagemax+3] += weight[i];
      for(j=1; j<=(nlstate+ndeath)*(nlstate+ndeath);j++)                }
       for(theta=1; theta <=npar; theta++)                
       trgradg[j][theta]=gradg[theta][j];                if ((agev[m][i]>1) && (agev[m][i]< (iagemax+3))) {
                    dateintsum=dateintsum+k2;
      matprod2(dnewm,trgradg,1,9,1,npar,1,npar,matcov);                  k2cpt++;
      matprod2(doldm,dnewm,1,9,1,npar,1,9,gradg);                }
                 /*}*/
      pmij(pmmij,cov,ncovmodel,x,nlstate);            }
           }
      k=0;        }
      for(i=1; i<=(nlstate+ndeath); i++){         
        for(j=1; j<=(nlstate+ndeath);j++){        /*      fprintf(ficresp, "#Count between %.lf/%.lf/%.lf and %.lf/%.lf/%.lf\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2);*/
          k=k+1;  
          gm[k]=pmmij[i][j];        if  (cptcovn>0) {
         }          fprintf(ficresp, "\n#********** Variable "); 
      }          for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresp, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
                fprintf(ficresp, "**********\n#");
      /*printf("\n%d ",(int)age);        }
      for (i=1; i<=(nlstate+ndeath)*(nlstate+ndeath-1);i++){        for(i=1; i<=nlstate;i++) 
                  fprintf(ficresp, " Age Prev(%d) N(%d) N",i,i);
         fprintf(ficresp, "\n");
        printf("%e [%e ;%e] ",gm[i],gm[i]-2*sqrt(doldm[i][i]),gm[i]+2*sqrt(doldm[i][i]));        
      }*/        for(i=iagemin; i <= iagemax+3; i++){
           if(i==iagemax+3){
   fprintf(ficresprob,"\n%d ",(int)age);            fprintf(ficlog,"Total");
           }else{
   for (i=1; i<=(nlstate+ndeath)*(nlstate+ndeath-1);i++){            if(first==1){
     if (i== 2) fprintf(ficresprob,"%.3e %.3e ",gm[i],doldm[i][i]);              first=0;
 if (i== 4) fprintf(ficresprob,"%.3e %.3e ",gm[i],doldm[i][i]);              printf("See log file for details...\n");
   }            }
             fprintf(ficlog,"Age %d", i);
     free_vector(gp,1,(nlstate+ndeath)*(nlstate+ndeath));          }
     free_vector(gm,1,(nlstate+ndeath)*(nlstate+ndeath));          for(jk=1; jk <=nlstate ; jk++){
     free_matrix(trgradg,1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);            for(m=-1, pp[jk]=0; m <=nlstate+ndeath ; m++)
     free_matrix(gradg,1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);              pp[jk] += freq[jk][m][i]; 
 }          }
  free_vector(xp,1,npar);          for(jk=1; jk <=nlstate ; jk++){
 fclose(ficresprob);            for(m=-1, pos=0; m <=0 ; m++)
  exit(0);              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]);
 /**************** Main Program *****************/              }
 /***********************************************/              fprintf(ficlog," %d.=%.0f loss[%d]=%.1f%%",jk,pp[jk],jk,100*pos/pp[jk]);
             }else{
 /*int main(int argc, char *argv[])*/              if(first==1)
 int main()                printf(" %d.=%.0f loss[%d]=NaNQ%%",jk,pp[jk],jk);
 {              fprintf(ficlog," %d.=%.0f loss[%d]=NaNQ%%",jk,pp[jk],jk);
             }
   int i,j, k, n=MAXN,iter,m,size,cptcode, cptcod;          }
   double agedeb, agefin,hf;  
   double agemin=1.e20, agemax=-1.e20;          for(jk=1; jk <=nlstate ; jk++){
             for(m=0, pp[jk]=0; m <=nlstate+ndeath; m++)
   double fret;              pp[jk] += freq[jk][m][i];
   double **xi,tmp,delta;          }       
           for(jk=1,pos=0,posprop=0; jk <=nlstate ; jk++){
   double dum; /* Dummy variable */            pos += pp[jk];
   double ***p3mat;            posprop += prop[jk][i];
   int *indx;          }
   char line[MAXLINE], linepar[MAXLINE];          for(jk=1; jk <=nlstate ; jk++){
   char title[MAXLINE];            if(pos>=1.e-5){
   char optionfile[FILENAMELENGTH], datafile[FILENAMELENGTH],  filerespl[FILENAMELENGTH], optionfilehtm[FILENAMELENGTH];              if(first==1)
   char fileres[FILENAMELENGTH], filerespij[FILENAMELENGTH], filereso[FILENAMELENGTH], fileresf[FILENAMELENGTH];                printf(" %d.=%.0f prev[%d]=%.1f%%",jk,pp[jk],jk,100*pp[jk]/pos);
   char filerest[FILENAMELENGTH];              fprintf(ficlog," %d.=%.0f prev[%d]=%.1f%%",jk,pp[jk],jk,100*pp[jk]/pos);
   char fileregp[FILENAMELENGTH];            }else{
   char popfile[FILENAMELENGTH];              if(first==1)
   char path[80],pathc[80],pathcd[80],pathtot[80],model[20];                printf(" %d.=%.0f prev[%d]=NaNQ%%",jk,pp[jk],jk);
   int firstobs=1, lastobs=10;              fprintf(ficlog," %d.=%.0f prev[%d]=NaNQ%%",jk,pp[jk],jk);
   int sdeb, sfin; /* Status at beginning and end */            }
   int c,  h , cpt,l;            if( i <= iagemax){
   int ju,jl, mi;              if(pos>=1.e-5){
   int i1,j1, k1,k2,k3,jk,aa,bb, stepsize, ij;                fprintf(ficresp," %d %.5f %.0f %.0f",i,prop[jk][i]/posprop, prop[jk][i],posprop);
   int jnais,jdc,jint4,jint1,jint2,jint3,**outcome,**adl,*tab;                /*probs[i][jk][j1]= pp[jk]/pos;*/
   int mobilav=0,popforecast=0;                /*printf("\ni=%d jk=%d j1=%d %.5f %.0f %.0f %f",i,jk,j1,pp[jk]/pos, pp[jk],pos,probs[i][jk][j1]);*/
   int hstepm, nhstepm;              }
   int *popage;/*boolprev=0 if date and zero if wave*/              else
   double jprev1, mprev1,anprev1,jprev2, mprev2,anprev2;                fprintf(ficresp," %d NaNq %.0f %.0f",i,prop[jk][i],posprop);
             }
   double bage, fage, age, agelim, agebase;          }
   double ftolpl=FTOL;          
   double **prlim;          for(jk=-1; jk <=nlstate+ndeath; jk++)
   double *severity;            for(m=-1; m <=nlstate+ndeath; m++)
   double ***param; /* Matrix of parameters */              if(freq[jk][m][i] !=0 ) {
   double  *p;              if(first==1)
   double **matcov; /* Matrix of covariance */                printf(" %d%d=%.0f",jk,m,freq[jk][m][i]);
   double ***delti3; /* Scale */                fprintf(ficlog," %d%d=%.0f",jk,m,freq[jk][m][i]);
   double *delti; /* Scale */              }
   double ***eij, ***vareij;          if(i <= iagemax)
   double **varpl; /* Variances of prevalence limits by age */            fprintf(ficresp,"\n");
   double *epj, vepp;          if(first==1)
   double kk1, kk2;            printf("Others in log...\n");
   double *popeffectif,*popcount;          fprintf(ficlog,"\n");
   double dateprev1, dateprev2,jproj1,mproj1,anproj1,jproj2,mproj2,anproj2,jprojmean,mprojmean,anprojmean, calagedate;        }
   double yp,yp1,yp2;      }
     }
   char version[80]="Imach version 64b, May 2001, INED-EUROREVES ";    dateintmean=dateintsum/k2cpt; 
   char *alph[]={"a","a","b","c","d","e"}, str[4];   
     fclose(ficresp);
     free_ma3x(freq,-1,nlstate+ndeath,-1,nlstate+ndeath, iagemin, iagemax+3);
   char z[1]="c", occ;    free_vector(pp,1,nlstate);
 #include <sys/time.h>    free_matrix(prop,1,nlstate,iagemin, iagemax+3);
 #include <time.h>    /* End of Freq */
   char stra[80], strb[80], strc[80], strd[80],stre[80],modelsav[80];  }
    
   /* long total_usecs;  /************ Prevalence ********************/
   struct timeval start_time, end_time;  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)
    {  
   gettimeofday(&start_time, (struct timezone*)0); */ /* at first time */    /* 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.
   printf("\nIMACH, Version 0.7");    */
   printf("\nEnter the parameter file name: ");   
     int i, m, jk, k1, i1, j1, bool, z1,z2,j;
 #ifdef windows    double ***freq; /* Frequencies */
   scanf("%s",pathtot);    double *pp, **prop;
   getcwd(pathcd, size);    double pos,posprop; 
   /*cygwin_split_path(pathtot,path,optionfile);    double  y2; /* in fractional years */
     printf("pathtot=%s, path=%s, optionfile=%s\n",pathtot,path,optionfile);*/    int iagemin, iagemax;
   /* cutv(path,optionfile,pathtot,'\\');*/  
     iagemin= (int) agemin;
 split(pathtot, path,optionfile);    iagemax= (int) agemax;
   chdir(path);    /*pp=vector(1,nlstate);*/
   replace(pathc,path);    prop=matrix(1,nlstate,iagemin,iagemax+3); 
 #endif    /*  freq=ma3x(-1,nlstate+ndeath,-1,nlstate+ndeath,iagemin,iagemax+3);*/
 #ifdef unix    j1=0;
   scanf("%s",optionfile);    
 #endif    j=cptcoveff;
     if (cptcovn<1) {j=1;ncodemax[1]=1;}
 /*-------- arguments in the command line --------*/    
     for(k1=1; k1<=j;k1++){
   strcpy(fileres,"r");      for(i1=1; i1<=ncodemax[k1];i1++){
   strcat(fileres, optionfile);        j1++;
         
   /*---------arguments file --------*/        for (i=1; i<=nlstate; i++)  
           for(m=iagemin; m <= iagemax+3; m++)
   if((ficpar=fopen(optionfile,"r"))==NULL)    {            prop[i][m]=0.0;
     printf("Problem with optionfile %s\n",optionfile);       
     goto end;        for (i=1; i<=imx; i++) { /* Each individual */
   }          bool=1;
           if  (cptcovn>0) {
   strcpy(filereso,"o");            for (z1=1; z1<=cptcoveff; z1++) 
   strcat(filereso,fileres);              if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtab[j1][z1]]) 
   if((ficparo=fopen(filereso,"w"))==NULL) {                bool=0;
     printf("Problem with Output resultfile: %s\n", filereso);goto end;          } 
   }          if (bool==1) { 
             for(m=firstpass; m<=lastpass; m++){/* Other selection (we can limit to certain interviews*/
   /* Reads comments: lines beginning with '#' */              y2=anint[m][i]+(mint[m][i]/12.); /* Fractional date in year */
   while((c=getc(ficpar))=='#' && c!= EOF){              if ((y2>=dateprev1) && (y2<=dateprev2)) { /* Here is the main selection (fractional years) */
     ungetc(c,ficpar);                if(agev[m][i]==0) agev[m][i]=iagemax+1;
     fgets(line, MAXLINE, ficpar);                if(agev[m][i]==1) agev[m][i]=iagemax+2;
     puts(line);                if((int)agev[m][i] <iagemin || (int)agev[m][i] >iagemax+3) printf("Error on individual =%d agev[m][i]=%f m=%d\n",i, agev[m][i],m); 
     fputs(line,ficparo);                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]]);*/
   ungetc(c,ficpar);                  prop[s[m][i]][(int)agev[m][i]] += weight[i];
                   prop[s[m][i]][iagemax+3] += weight[i]; 
   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);              }
   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);            } /* end selection of waves */
 while((c=getc(ficpar))=='#' && c!= EOF){          }
     ungetc(c,ficpar);        }
     fgets(line, MAXLINE, ficpar);        for(i=iagemin; i <= iagemax+3; i++){  
     puts(line);          
     fputs(line,ficparo);          for(jk=1,posprop=0; jk <=nlstate ; jk++) { 
   }            posprop += prop[jk][i]; 
   ungetc(c,ficpar);          } 
    
              for(jk=1; jk <=nlstate ; jk++){     
   covar=matrix(0,NCOVMAX,1,n);            if( i <=  iagemax){ 
   cptcovn=0;              if(posprop>=1.e-5){ 
   if (strlen(model)>1) cptcovn=nbocc(model,'+')+1;                probs[i][jk][j1]= prop[jk][i]/posprop;
               } 
   ncovmodel=2+cptcovn;            } 
   nvar=ncovmodel-1; /* Suppressing age as a basic covariate */          }/* end jk */ 
          }/* end i */ 
   /* Read guess parameters */      } /* end i1 */
   /* Reads comments: lines beginning with '#' */    } /* end k1 */
   while((c=getc(ficpar))=='#' && c!= EOF){    
     ungetc(c,ficpar);    /*  free_ma3x(freq,-1,nlstate+ndeath,-1,nlstate+ndeath, iagemin, iagemax+3);*/
     fgets(line, MAXLINE, ficpar);    /*free_vector(pp,1,nlstate);*/
     puts(line);    free_matrix(prop,1,nlstate, iagemin,iagemax+3);
     fputs(line,ficparo);  }  /* End of prevalence */
   }  
   ungetc(c,ficpar);  /************* Waves Concatenation ***************/
    
   param= ma3x(1,nlstate,1,nlstate+ndeath-1,1,ncovmodel);  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)
     for(i=1; i <=nlstate; i++)  {
     for(j=1; j <=nlstate+ndeath-1; j++){    /* Concatenates waves: wav[i] is the number of effective (useful waves) of individual i.
       fscanf(ficpar,"%1d%1d",&i1,&j1);       Death is a valid wave (if date is known).
       fprintf(ficparo,"%1d%1d",i1,j1);       mw[mi][i] is the mi (mi=1 to wav[i])  effective wave of individual i
       printf("%1d%1d",i,j);       dh[m][i] or dh[mw[mi][i]][i] is the delay between two effective waves m=mw[mi][i]
       for(k=1; k<=ncovmodel;k++){       and mw[mi+1][i]. dh depends on stepm.
         fscanf(ficpar," %lf",&param[i][j][k]);       */
         printf(" %lf",param[i][j][k]);  
         fprintf(ficparo," %lf",param[i][j][k]);    int i, mi, m;
       }    /* int j, k=0,jk, ju, jl,jmin=1e+5, jmax=-1;
       fscanf(ficpar,"\n");       double sum=0., jmean=0.;*/
       printf("\n");    int first;
       fprintf(ficparo,"\n");    int j, k=0,jk, ju, jl;
     }    double sum=0.;
      first=0;
     npar= (nlstate+ndeath-1)*nlstate*ncovmodel;    jmin=1e+5;
     jmax=-1;
   p=param[1][1];    jmean=0.;
      for(i=1; i<=imx; i++){
   /* Reads comments: lines beginning with '#' */      mi=0;
   while((c=getc(ficpar))=='#' && c!= EOF){      m=firstpass;
     ungetc(c,ficpar);      while(s[m][i] <= nlstate){
     fgets(line, MAXLINE, ficpar);        if(s[m][i]>=1)
     puts(line);          mw[++mi][i]=m;
     fputs(line,ficparo);        if(m >=lastpass)
   }          break;
   ungetc(c,ficpar);        else
           m++;
   delti3= ma3x(1,nlstate,1,nlstate+ndeath-1,1,ncovmodel);      }/* end while */
   delti=vector(1,npar); /* Scale of each paramater (output from hesscov) */      if (s[m][i] > nlstate){
   for(i=1; i <=nlstate; i++){        mi++;     /* Death is another wave */
     for(j=1; j <=nlstate+ndeath-1; j++){        /* if(mi==0)  never been interviewed correctly before death */
       fscanf(ficpar,"%1d%1d",&i1,&j1);           /* Only death is a correct wave */
       printf("%1d%1d",i,j);        mw[mi][i]=m;
       fprintf(ficparo,"%1d%1d",i1,j1);      }
       for(k=1; k<=ncovmodel;k++){  
         fscanf(ficpar,"%le",&delti3[i][j][k]);      wav[i]=mi;
         printf(" %le",delti3[i][j][k]);      if(mi==0){
         fprintf(ficparo," %le",delti3[i][j][k]);        if(first==0){
       }          printf("Warning! None valid information for:%ld line=%d (skipped) and may be others, see log file\n",num[i],i);
       fscanf(ficpar,"\n");          first=1;
       printf("\n");        }
       fprintf(ficparo,"\n");        if(first==1){
     }          fprintf(ficlog,"Warning! None valid information for:%ld line=%d (skipped)\n",num[i],i);
   }        }
   delti=delti3[1][1];      } /* end mi==0 */
      } /* End individuals */
   /* Reads comments: lines beginning with '#' */  
   while((c=getc(ficpar))=='#' && c!= EOF){    for(i=1; i<=imx; i++){
     ungetc(c,ficpar);      for(mi=1; mi<wav[i];mi++){
     fgets(line, MAXLINE, ficpar);        if (stepm <=0)
     puts(line);          dh[mi][i]=1;
     fputs(line,ficparo);        else{
   }          if (s[mw[mi+1][i]][i] > nlstate) { /* A death */
   ungetc(c,ficpar);            if (agedc[i] < 2*AGESUP) {
                j= rint(agedc[i]*12-agev[mw[mi][i]][i]*12); 
   matcov=matrix(1,npar,1,npar);              if(j==0) j=1;  /* Survives at least one month after exam */
   for(i=1; i <=npar; i++){              else if(j<0){
     fscanf(ficpar,"%s",&str);                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]);
     printf("%s",str);                j=1; /* Careful Patch */
     fprintf(ficparo,"%s",str);                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.\n  You MUST fix the contradiction between dates.\n",stepm);
     for(j=1; j <=i; j++){                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]);
       fscanf(ficpar," %le",&matcov[i][j]);                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.\n  You MUST fix the contradiction between dates.\n",stepm);
       printf(" %.5le",matcov[i][j]);              }
       fprintf(ficparo," %.5le",matcov[i][j]);              k=k+1;
     }              if (j >= jmax) jmax=j;
     fscanf(ficpar,"\n");              if (j <= jmin) jmin=j;
     printf("\n");              sum=sum+j;
     fprintf(ficparo,"\n");              /*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);*/
   for(i=1; i <=npar; i++)            }
     for(j=i+1;j<=npar;j++)          }
       matcov[i][j]=matcov[j][i];          else{
                j= rint( (agev[mw[mi+1][i]][i]*12 - agev[mw[mi][i]][i]*12));
   printf("\n");            /*      printf("%d %d %d %d\n", s[mw[mi][i]][i] ,s[mw[mi+1][i]][i],j,i);*/
             k=k+1;
             if (j >= jmax) jmax=j;
     /*-------- data file ----------*/            else if (j <= jmin)jmin=j;
     if((ficres =fopen(fileres,"w"))==NULL) {            /*        if (j<10) printf("j=%d jmin=%d num=%d ",j,jmin,i); */
       printf("Problem with resultfile: %s\n", fileres);goto end;            /*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){
     fprintf(ficres,"#%s\n",version);              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]);
     if((fic=fopen(datafile,"r"))==NULL)    {            }
       printf("Problem with datafile: %s\n", datafile);goto end;            sum=sum+j;
     }          }
           jk= j/stepm;
     n= lastobs;          jl= j -jk*stepm;
     severity = vector(1,maxwav);          ju= j -(jk+1)*stepm;
     outcome=imatrix(1,maxwav+1,1,n);          if(mle <=1){ /* only if we use a the linear-interpoloation pseudo-likelihood */
     num=ivector(1,n);            if(jl==0){
     moisnais=vector(1,n);              dh[mi][i]=jk;
     annais=vector(1,n);              bh[mi][i]=0;
     moisdc=vector(1,n);            }else{ /* We want a negative bias in order to only have interpolation ie
     andc=vector(1,n);                    * at the price of an extra matrix product in likelihood */
     agedc=vector(1,n);              dh[mi][i]=jk+1;
     cod=ivector(1,n);              bh[mi][i]=ju;
     weight=vector(1,n);            }
     for(i=1;i<=n;i++) weight[i]=1.0; /* Equal weights, 1 by default */          }else{
     mint=matrix(1,maxwav,1,n);            if(jl <= -ju){
     anint=matrix(1,maxwav,1,n);              dh[mi][i]=jk;
     s=imatrix(1,maxwav+1,1,n);              bh[mi][i]=jl;       /* bias is positive if real duration
     adl=imatrix(1,maxwav+1,1,n);                                       * is higher than the multiple of stepm and negative otherwise.
     tab=ivector(1,NCOVMAX);                                   */
     ncodemax=ivector(1,8);            }
             else{
     i=1;              dh[mi][i]=jk+1;
     while (fgets(line, MAXLINE, fic) != NULL)    {              bh[mi][i]=ju;
       if ((i >= firstobs) && (i <=lastobs)) {            }
                    if(dh[mi][i]==0){
         for (j=maxwav;j>=1;j--){              dh[mi][i]=1; /* At least one step */
           cutv(stra, strb,line,' '); s[j][i]=atoi(strb);              bh[mi][i]=ju; /* At least one step */
           strcpy(line,stra);              /*  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);*/
           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);          } /* end if mle */
         }        }
              } /* end wave */
         cutv(stra, strb,line,'/'); andc[i]=(double)(atoi(strb)); strcpy(line,stra);    }
         cutv(stra, strb,line,' '); moisdc[i]=(double)(atoi(strb)); strcpy(line,stra);    jmean=sum/k;
     printf("Delay (in months) between two waves Min=%d Max=%d Mean=%f\n\n ",jmin, jmax,jmean);
         cutv(stra, strb,line,'/'); annais[i]=(double)(atoi(strb)); strcpy(line,stra);    fprintf(ficlog,"Delay (in months) between two waves Min=%d Max=%d Mean=%f\n\n ",jmin, jmax,jmean);
         cutv(stra, strb,line,' '); moisnais[i]=(double)(atoi(strb)); strcpy(line,stra);   }
   
         cutv(stra, strb,line,' '); weight[i]=(double)(atoi(strb)); strcpy(line,stra);  /*********** Tricode ****************************/
         for (j=ncov;j>=1;j--){  void tricode(int *Tvar, int **nbcode, int imx)
           cutv(stra, strb,line,' '); covar[j][i]=(double)(atoi(strb)); strcpy(line,stra);  {
         }    
         num[i]=atol(stra);    int Ndum[20],ij=1, k, j, i, maxncov=19;
            int cptcode=0;
         /*if((s[2][i]==2) && (s[3][i]==-1)&&(s[4][i]==9)){    cptcoveff=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])); ij=ij+1;}*/   
     for (k=0; k<maxncov; k++) Ndum[k]=0;
         i=i+1;    for (k=1; k<=7; k++) ncodemax[k]=0;
       }  
     }    for (j=1; j<=(cptcovn+2*cptcovprod); j++) {
     /* printf("ii=%d", ij);      for (i=1; i<=imx; i++) { /*reads the data file to get the maximum 
        scanf("%d",i);*/                                 modality*/ 
   imx=i-1; /* Number of individuals */        ij=(int)(covar[Tvar[j]][i]); /* ij is the modality of this individual*/
         Ndum[ij]++; /*store the modality */
   /* for (i=1; i<=imx; i++){        /*printf("i=%d ij=%d Ndum[ij]=%d imx=%d",i,ij,Ndum[ij],imx);*/
     if ((s[1][i]==3) && (s[2][i]==2)) s[2][i]=3;        if (ij > cptcode) cptcode=ij; /* getting the maximum of covariable 
     if ((s[2][i]==3) && (s[3][i]==2)) s[3][i]=3;                                         Tvar[j]. If V=sex and male is 0 and 
     if ((s[3][i]==3) && (s[4][i]==2)) s[4][i]=3;                                         female is 1, then  cptcode=1.*/
     }      }
   
     for (i=1; i<=imx; i++)      for (i=0; i<=cptcode; i++) {
     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]));*/        if(Ndum[i]!=0) ncodemax[j]++; /* Nomber of modalities of the j th covariates. In fact ncodemax[j]=2 (dichotom. variables) but it can be more */
       }
   /* Calculation of the number of parameter from char model*/  
   Tvar=ivector(1,15);      ij=1; 
   Tprod=ivector(1,15);      for (i=1; i<=ncodemax[j]; i++) {
   Tvaraff=ivector(1,15);        for (k=0; k<= maxncov; k++) {
   Tvard=imatrix(1,15,1,2);          if (Ndum[k] != 0) {
   Tage=ivector(1,15);                  nbcode[Tvar[j]][ij]=k; 
                /* store the modality in an array. 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; */
   if (strlen(model) >1){            
     j=0, j1=0, k1=1, k2=1;            ij++;
     j=nbocc(model,'+');          }
     j1=nbocc(model,'*');          if (ij > ncodemax[j]) break; 
     cptcovn=j+1;        }  
     cptcovprod=j1;      } 
        }  
      
     strcpy(modelsav,model);   for (k=0; k< maxncov; k++) Ndum[k]=0;
     if ((strcmp(model,"age")==0) || (strcmp(model,"age*age")==0)){  
       printf("Error. Non available option model=%s ",model);   for (i=1; i<=ncovmodel-2; i++) { 
       goto end;     /* Listing of all covariables in staement model to see if some covariates appear twice. For example, V1 appears twice in V1+V1*V2.*/
     }     ij=Tvar[i];
         Ndum[ij]++;
     for(i=(j+1); i>=1;i--){   }
       cutv(stra,strb,modelsav,'+');  
       if (nbocc(modelsav,'+')==0) strcpy(strb,modelsav);   ij=1;
       /*      printf("i=%d a=%s b=%s sav=%s\n",i, stra,strb,modelsav);*/   for (i=1; i<= maxncov; i++) {
       /*scanf("%d",i);*/     if((Ndum[i]!=0) && (i<=ncovcol)){
       if (strchr(strb,'*')) {       Tvaraff[ij]=i; /*For printing */
         cutv(strd,strc,strb,'*');       ij++;
         if (strcmp(strc,"age")==0) {     }
           cptcovprod--;   }
           cutv(strb,stre,strd,'V');   
           Tvar[i]=atoi(stre);   cptcoveff=ij-1; /*Number of simple covariates*/
           cptcovage++;  }
             Tage[cptcovage]=i;  
             /*printf("stre=%s ", stre);*/  /*********** Health Expectancies ****************/
         }  
         else if (strcmp(strd,"age")==0) {  void evsij(char fileres[], double ***eij, double x[], int nlstate, int stepm, int bage, int fage, double **oldm, double **savm, int ij, int estepm,double delti[],double **matcov )
           cptcovprod--;  
           cutv(strb,stre,strc,'V');  {
           Tvar[i]=atoi(stre);    /* Health expectancies */
           cptcovage++;    int i, j, nhstepm, hstepm, h, nstepm, k, cptj;
           Tage[cptcovage]=i;    double age, agelim, hf;
         }    double ***p3mat,***varhe;
         else {    double **dnewm,**doldm;
           cutv(strb,stre,strc,'V');    double *xp;
           Tvar[i]=ncov+k1;    double **gp, **gm;
           cutv(strb,strc,strd,'V');    double ***gradg, ***trgradg;
           Tprod[k1]=i;    int theta;
           Tvard[k1][1]=atoi(strc);  
           Tvard[k1][2]=atoi(stre);    varhe=ma3x(1,nlstate*nlstate,1,nlstate*nlstate,(int) bage, (int) fage);
           Tvar[cptcovn+k2]=Tvard[k1][1];    xp=vector(1,npar);
           Tvar[cptcovn+k2+1]=Tvard[k1][2];    dnewm=matrix(1,nlstate*nlstate,1,npar);
           for (k=1; k<=lastobs;k++)    doldm=matrix(1,nlstate*nlstate,1,nlstate*nlstate);
             covar[ncov+k1][k]=covar[atoi(stre)][k]*covar[atoi(strc)][k];    
           k1++;    fprintf(ficreseij,"# Health expectancies\n");
           k2=k2+2;    fprintf(ficreseij,"# Age");
         }    for(i=1; i<=nlstate;i++)
       }      for(j=1; j<=nlstate;j++)
       else {        fprintf(ficreseij," %1d-%1d (SE)",i,j);
         /*printf("d=%s c=%s b=%s\n", strd,strc,strb);*/    fprintf(ficreseij,"\n");
        /*  scanf("%d",i);*/  
       cutv(strd,strc,strb,'V');    if(estepm < stepm){
       Tvar[i]=atoi(strc);      printf ("Problem %d lower than %d\n",estepm, stepm);
       }    }
       strcpy(modelsav,stra);      else  hstepm=estepm;   
       /*printf("a=%s b=%s sav=%s\n", stra,strb,modelsav);    /* We compute the life expectancy from trapezoids spaced every estepm months
         scanf("%d",i);*/     * 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
   /*printf("tvar1=%d tvar2=%d tvar3=%d cptcovage=%d Tage=%d",Tvar[1],Tvar[2],Tvar[3],cptcovage,Tage[1]);     * to the curvature of the survival function. If, for the same date, we 
   printf("cptcovprod=%d ", cptcovprod);     * estimate the model with stepm=1 month, we can keep estepm to 24 months
   scanf("%d ",i);*/     * to compare the new estimate of Life expectancy with the same linear 
     fclose(fic);     * hypothesis. A more precise result, taking into account a more precise
      * curvature will be obtained if estepm is as small as stepm. */
     /*  if(mle==1){*/  
     if (weightopt != 1) { /* Maximisation without weights*/    /* For example we decided to compute the life expectancy with the smallest unit */
       for(i=1;i<=n;i++) weight[i]=1.0;    /* 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 
     /*-calculation of age at interview from date of interview and age at death -*/       nstepm is the number of stepm from age to agelin. 
     agev=matrix(1,maxwav,1,imx);       Look at hpijx to understand the reason of that which relies in memory size
        and note for a fixed period like estepm months */
    for (i=1; i<=imx; i++)    /* We decided (b) to get a life expectancy respecting the most precise curvature of the
      for(m=2; (m<= maxwav); m++)       survival function given by stepm (the optimization length). Unfortunately it
        if ((mint[m][i]== 99) && (s[m][i] <= nlstate)){       means that if the survival funtion is printed only each two years of age and if
          anint[m][i]=9999;       you sum them up and add 1 year (area under the trapezoids) you won't get the same 
          s[m][i]=-1;       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 */ 
     for (i=1; i<=imx; i++)  {  
       agedc[i]=(moisdc[i]/12.+andc[i])-(moisnais[i]/12.+annais[i]);    agelim=AGESUP;
       for(m=1; (m<= maxwav); m++){    for (age=bage; age<=fage; age ++){ /* If stepm=6 months */
         if(s[m][i] >0){      /* nhstepm age range expressed in number of stepm */
           if (s[m][i] == nlstate+1) {      nstepm=(int) rint((agelim-age)*YEARM/stepm); 
             if(agedc[i]>0)      /* Typically if 20 years nstepm = 20*12/6=40 stepm */ 
               if(moisdc[i]!=99 && andc[i]!=9999)      /* if (stepm >= YEARM) hstepm=1;*/
               agev[m][i]=agedc[i];      nhstepm = nstepm/hstepm;/* Expressed in hstepm, typically nhstepm=40/4=10 */
             else {      p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
               if (andc[i]!=9999){      gradg=ma3x(0,nhstepm,1,npar,1,nlstate*nlstate);
               printf("Warning negative age at death: %d line:%d\n",num[i],i);      gp=matrix(0,nhstepm,1,nlstate*nlstate);
               agev[m][i]=-1;      gm=matrix(0,nhstepm,1,nlstate*nlstate);
               }  
             }      /* Computed by stepm unit matrices, product of hstepm matrices, stored
           }         in an array of nhstepm length: nhstepm=10, hstepm=4, stepm=6 months */
           else if(s[m][i] !=9){ /* Should no more exist */      hpxij(p3mat,nhstepm,age,hstepm,x,nlstate,stepm,oldm, savm, ij);  
             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)  
               agev[m][i]=1;      hf=hstepm*stepm/YEARM;  /* Duration of hstepm expressed in year unit. */
             else if(agev[m][i] <agemin){  
               agemin=agev[m][i];      /* Computing Variances of health expectancies */
               /*printf(" Min anint[%d][%d]=%.2f annais[%d]=%.2f, agemin=%.2f\n",m,i,anint[m][i], i,annais[i], agemin);*/  
             }       for(theta=1; theta <=npar; theta++){
             else if(agev[m][i] >agemax){        for(i=1; i<=npar; i++){ 
               agemax=agev[m][i];          xp[i] = x[i] + (i==theta ?delti[theta]:0);
              /* printf(" anint[%d][%d]=%.0f annais[%d]=%.0f, agemax=%.0f\n",m,i,anint[m][i], i,annais[i], agemax);*/        }
             }        hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);  
             /*agev[m][i]=anint[m][i]-annais[i];*/    
             /*   agev[m][i] = age[i]+2*m;*/        cptj=0;
           }        for(j=1; j<= nlstate; j++){
           else { /* =9 */          for(i=1; i<=nlstate; i++){
             agev[m][i]=1;            cptj=cptj+1;
             s[m][i]=-1;            for(h=0, gp[h][cptj]=0.; h<=nhstepm-1; h++){
           }              gp[h][cptj] = (p3mat[i][j][h]+p3mat[i][j][h+1])/2.;
         }            }
         else /*= 0 Unknown */          }
           agev[m][i]=1;        }
       }       
           
     }        for(i=1; i<=npar; i++) 
     for (i=1; i<=imx; i++)  {          xp[i] = x[i] - (i==theta ?delti[theta]:0);
       for(m=1; (m<= maxwav); m++){        hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);  
         if (s[m][i] > (nlstate+ndeath)) {        
           printf("Error: Wrong value in nlstate or ndeath\n");          cptj=0;
           goto end;        for(j=1; j<= nlstate; j++){
         }          for(i=1;i<=nlstate;i++){
       }            cptj=cptj+1;
     }            for(h=0, gm[h][cptj]=0.; h<=nhstepm-1; h++){
   
 printf("Total number of individuals= %d, Agemin = %.2f, Agemax= %.2f\n\n", imx, agemin, agemax);              gm[h][cptj] = (p3mat[i][j][h]+p3mat[i][j][h+1])/2.;
             }
     free_vector(severity,1,maxwav);          }
     free_imatrix(outcome,1,maxwav+1,1,n);        }
     free_vector(moisnais,1,n);        for(j=1; j<= nlstate*nlstate; j++)
     free_vector(annais,1,n);          for(h=0; h<=nhstepm-1; h++){
     /* free_matrix(mint,1,maxwav,1,n);            gradg[h][theta][j]= (gp[h][j]-gm[h][j])/2./delti[theta];
        free_matrix(anint,1,maxwav,1,n);*/          }
     free_vector(moisdc,1,n);       } 
     free_vector(andc,1,n);     
   /* End theta */
      
     wav=ivector(1,imx);       trgradg =ma3x(0,nhstepm,1,nlstate*nlstate,1,npar);
     dh=imatrix(1,lastpass-firstpass+1,1,imx);  
     mw=imatrix(1,lastpass-firstpass+1,1,imx);       for(h=0; h<=nhstepm-1; h++)
            for(j=1; j<=nlstate*nlstate;j++)
     /* Concatenates waves */          for(theta=1; theta <=npar; theta++)
       concatwav(wav, dh, mw, s, agedc, agev,  firstpass, lastpass, imx, nlstate, stepm);            trgradg[h][j][theta]=gradg[h][theta][j];
        
   
       Tcode=ivector(1,100);       for(i=1;i<=nlstate*nlstate;i++)
       nbcode=imatrix(0,NCOVMAX,0,NCOVMAX);        for(j=1;j<=nlstate*nlstate;j++)
       ncodemax[1]=1;          varhe[i][j][(int)age] =0.;
       if (cptcovn > 0) tricode(Tvar,nbcode,imx);  
             printf("%d|",(int)age);fflush(stdout);
    codtab=imatrix(1,100,1,10);       fprintf(ficlog,"%d|",(int)age);fflush(ficlog);
    h=0;       for(h=0;h<=nhstepm-1;h++){
    m=pow(2,cptcoveff);        for(k=0;k<=nhstepm-1;k++){
            matprod2(dnewm,trgradg[h],1,nlstate*nlstate,1,npar,1,npar,matcov);
    for(k=1;k<=cptcoveff; k++){          matprod2(doldm,dnewm,1,nlstate*nlstate,1,npar,1,nlstate*nlstate,gradg[k]);
      for(i=1; i <=(m/pow(2,k));i++){          for(i=1;i<=nlstate*nlstate;i++)
        for(j=1; j <= ncodemax[k]; j++){            for(j=1;j<=nlstate*nlstate;j++)
          for(cpt=1; cpt <=(m/pow(2,cptcoveff+1-k)); cpt++){              varhe[i][j][(int)age] += doldm[i][j]*hf*hf;
            h++;        }
            if (h>m) h=1;codtab[h][k]=j;      }
          }      /* 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;
    /* Calculates basic frequencies. Computes observed prevalence at single age            
        and prints on file fileres'p'. */  /* 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]);*/
   
              }
      
     pmmij= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */      fprintf(ficreseij,"%3.0f",age );
     oldms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */      cptj=0;
     newms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */      for(i=1; i<=nlstate;i++)
     savms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */        for(j=1; j<=nlstate;j++){
     oldm=oldms; newm=newms; savm=savms; /* Keeps fixed addresses to free */          cptj++;
                fprintf(ficreseij," %9.4f (%.4f)", eij[i][j][(int)age], sqrt(varhe[cptj][cptj][(int)age]) );
     /* 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] */      fprintf(ficreseij,"\n");
     p=param[1][1]; /* *(*(*(param +1)+1)+0) */     
       free_matrix(gm,0,nhstepm,1,nlstate*nlstate);
     if(mle==1){      free_matrix(gp,0,nhstepm,1,nlstate*nlstate);
     mlikeli(ficres,p, npar, ncovmodel, nlstate, ftol, func);      free_ma3x(gradg,0,nhstepm,1,npar,1,nlstate*nlstate);
     }      free_ma3x(trgradg,0,nhstepm,1,nlstate*nlstate,1,npar);
          free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
     /*--------- results files --------------*/    }
     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=%d weight=%d\nmodel=%s\n", title, datafile, lastobs, firstpass,lastpass,ftol, stepm, ncov, nlstate, ndeath, maxwav, mle,weightopt,model);    printf("\n");
      fprintf(ficlog,"\n");
   
    jk=1;    free_vector(xp,1,npar);
    fprintf(ficres,"# Parameters\n");    free_matrix(dnewm,1,nlstate*nlstate,1,npar);
    printf("# Parameters\n");    free_matrix(doldm,1,nlstate*nlstate,1,nlstate*nlstate);
    for(i=1,jk=1; i <=nlstate; i++){    free_ma3x(varhe,1,nlstate*nlstate,1,nlstate*nlstate,(int) bage, (int)fage);
      for(k=1; k <=(nlstate+ndeath); k++){  }
        if (k != i)  
          {  /************ Variance ******************/
            printf("%d%d ",i,k);  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 ij, int estepm, int cptcov, int cptcod, int popbased, int mobilav)
            fprintf(ficres,"%1d%1d ",i,k);  {
            for(j=1; j <=ncovmodel; j++){    /* Variance of health expectancies */
              printf("%f ",p[jk]);    /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double ** savm,double ftolpl);*/
              fprintf(ficres,"%f ",p[jk]);    /* double **newm;*/
              jk++;    double **dnewm,**doldm;
            }    double **dnewmp,**doldmp;
            printf("\n");    int i, j, nhstepm, hstepm, h, nstepm ;
            fprintf(ficres,"\n");    int k, cptcode;
          }    double *xp;
      }    double **gp, **gm;  /* for var eij */
    }    double ***gradg, ***trgradg; /*for var eij */
  if(mle==1){    double **gradgp, **trgradgp; /* for var p point j */
     /* Computing hessian and covariance matrix */    double *gpp, *gmp; /* for var p point j */
     ftolhess=ftol; /* Usually correct */    double **varppt; /* for var p point j nlstate to nlstate+ndeath */
     hesscov(matcov, p, npar, delti, ftolhess, func);    double ***p3mat;
  }    double age,agelim, hf;
     fprintf(ficres,"# Scales\n");    double ***mobaverage;
     printf("# Scales\n");    int theta;
      for(i=1,jk=1; i <=nlstate; i++){    char digit[4];
       for(j=1; j <=nlstate+ndeath; j++){    char digitp[25];
         if (j!=i) {  
           fprintf(ficres,"%1d%1d",i,j);    char fileresprobmorprev[FILENAMELENGTH];
           printf("%1d%1d",i,j);  
           for(k=1; k<=ncovmodel;k++){    if(popbased==1){
             printf(" %.5e",delti[jk]);      if(mobilav!=0)
             fprintf(ficres," %.5e",delti[jk]);        strcpy(digitp,"-populbased-mobilav-");
             jk++;      else strcpy(digitp,"-populbased-nomobil-");
           }    }
           printf("\n");    else 
           fprintf(ficres,"\n");      strcpy(digitp,"-stablbased-");
         }  
       }    if (mobilav!=0) {
      }      mobaverage= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX);
          if (movingaverage(probs, bage, fage, mobaverage,mobilav)!=0){
     k=1;        fprintf(ficlog," Error in movingaverage mobilav=%d\n",mobilav);
     fprintf(ficres,"# Covariance\n");        printf(" Error in movingaverage mobilav=%d\n",mobilav);
     printf("# Covariance\n");      }
     for(i=1;i<=npar;i++){    }
       /*  if (k>nlstate) k=1;  
       i1=(i-1)/(ncovmodel*nlstate)+1;    strcpy(fileresprobmorprev,"prmorprev"); 
       fprintf(ficres,"%s%d%d",alph[k],i1,tab[i]);    sprintf(digit,"%-d",ij);
       printf("%s%d%d",alph[k],i1,tab[i]);*/    /*printf("DIGIT=%s, ij=%d ijr=%-d|\n",digit, ij,ij);*/
       fprintf(ficres,"%3d",i);    strcat(fileresprobmorprev,digit); /* Tvar to be done */
       printf("%3d",i);    strcat(fileresprobmorprev,digitp); /* Popbased or not, mobilav or not */
       for(j=1; j<=i;j++){    strcat(fileresprobmorprev,fileres);
         fprintf(ficres," %.5e",matcov[i][j]);    if((ficresprobmorprev=fopen(fileresprobmorprev,"w"))==NULL) {
         printf(" %.5e",matcov[i][j]);      printf("Problem with resultfile: %s\n", fileresprobmorprev);
       }      fprintf(ficlog,"Problem with resultfile: %s\n", fileresprobmorprev);
       fprintf(ficres,"\n");    }
       printf("\n");    printf("Computing total mortality p.j=w1*p1j+w2*p2j+..: result on file '%s' \n",fileresprobmorprev);
       k++;    fprintf(ficlog,"Computing total mortality p.j=w1*p1j+w2*p2j+..: result on file '%s' \n",fileresprobmorprev);
     }    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);
     while((c=getc(ficpar))=='#' && c!= EOF){    for(j=nlstate+1; j<=(nlstate+ndeath);j++){
       ungetc(c,ficpar);      fprintf(ficresprobmorprev," p.%-d SE",j);
       fgets(line, MAXLINE, ficpar);      for(i=1; i<=nlstate;i++)
       puts(line);        fprintf(ficresprobmorprev," w%1d p%-d%-d",i,i,j);
       fputs(line,ficparo);    }  
     }    fprintf(ficresprobmorprev,"\n");
     ungetc(c,ficpar);    fprintf(ficgp,"\n# Routine varevsij");
      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");
     fscanf(ficpar,"agemin=%lf agemax=%lf bage=%lf fage=%lf\n",&agemin,&agemax, &bage, &fage);    fprintf(fichtm,"\n<br>%s  <br>\n",digitp);
      /*   } */
     if (fage <= 2) {    varppt = matrix(nlstate+1,nlstate+ndeath,nlstate+1,nlstate+ndeath);
       bage = agemin;  
       fage = agemax;    fprintf(ficresvij,"# Variance and covariance of health expectancies e.j \n#  (weighted average of eij where weights are the stable prevalence in health states i\n");
     }    fprintf(ficresvij,"# Age");
     for(i=1; i<=nlstate;i++)
     fprintf(ficres,"# agemin agemax for life expectancy.\n");      for(j=1; j<=nlstate;j++)
         fprintf(ficresvij," Cov(e%1d, e%1d)",i,j);
     fprintf(ficres,"agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f\n",agemin,agemax,bage,fage);    fprintf(ficresvij,"\n");
     fprintf(ficparo,"agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f\n",agemin,agemax,bage,fage);  
      xp=vector(1,npar);
     while((c=getc(ficpar))=='#' && c!= EOF){    dnewm=matrix(1,nlstate,1,npar);
     ungetc(c,ficpar);    doldm=matrix(1,nlstate,1,nlstate);
     fgets(line, MAXLINE, ficpar);    dnewmp= matrix(nlstate+1,nlstate+ndeath,1,npar);
     puts(line);    doldmp= matrix(nlstate+1,nlstate+ndeath,nlstate+1,nlstate+ndeath);
     fputs(line,ficparo);  
   }    gradgp=matrix(1,npar,nlstate+1,nlstate+ndeath);
   ungetc(c,ficpar);    gpp=vector(nlstate+1,nlstate+ndeath);
      gmp=vector(nlstate+1,nlstate+ndeath);
   fscanf(ficpar,"begin-prev-date=%lf/%lf/%lf end-prev-date=%lf/%lf/%lf mob_average=%d\n",&jprev1, &mprev1,&anprev1,&jprev2, &mprev2,&anprev2,&mobilav);    trgradgp =matrix(nlstate+1,nlstate+ndeath,1,npar); /* mu or p point j*/
   fprintf(ficparo,"begin-prev-date=%.lf/%.lf/%.lf end-prev-date=%.lf/%.lf/%.lf mob_average=%d\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2,mobilav);    
  fprintf(ficres,"begin-prev-date=%.lf/%.lf/%.lf end-prev-date=%.lf/%.lf/%.lf mob_average=%d\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2,mobilav);    if(estepm < stepm){
            printf ("Problem %d lower than %d\n",estepm, stepm);
   while((c=getc(ficpar))=='#' && c!= EOF){    }
     ungetc(c,ficpar);    else  hstepm=estepm;   
     fgets(line, MAXLINE, ficpar);    /* For example we decided to compute the life expectancy with the smallest unit */
     puts(line);    /* hstepm beeing the number of stepms, if hstepm=1 the length of hstepm is stepm. 
     fputs(line,ficparo);       nhstepm is the number of hstepm from age to agelim 
   }       nstepm is the number of stepm from age to agelin. 
   ungetc(c,ficpar);       Look at hpijx to understand the reason of that which relies in memory size
         and note for a fixed period like k years */
     /* We decided (b) to get a life expectancy respecting the most precise curvature of the
    dateprev1=anprev1+mprev1/12.+jprev1/365.;       survival function given by stepm (the optimization length). Unfortunately it
    dateprev2=anprev2+mprev2/12.+jprev2/365.;       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 
   fscanf(ficpar,"pop_based=%d\n",&popbased);       results. So we changed our mind and took the option of the best precision.
    fprintf(ficparo,"pop_based=%d\n",popbased);      */
    fprintf(ficres,"pop_based=%d\n",popbased);      hstepm=hstepm/stepm; /* Typically in stepm units, if stepm=6 & estepm=24 , = 24/6 months = 4 */ 
     agelim = AGESUP;
   while((c=getc(ficpar))=='#' && c!= EOF){    for (age=bage; age<=fage; age ++){ /* If stepm=6 months */
     ungetc(c,ficpar);      nstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */ 
     fgets(line, MAXLINE, ficpar);      nhstepm = nstepm/hstepm;/* Expressed in hstepm, typically nhstepm=40/4=10 */
     puts(line);      p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
     fputs(line,ficparo);      gradg=ma3x(0,nhstepm,1,npar,1,nlstate);
   }      gp=matrix(0,nhstepm,1,nlstate);
   ungetc(c,ficpar);      gm=matrix(0,nhstepm,1,nlstate);
   fscanf(ficpar,"popforecast=%d popfile=%s starting-proj-date=%lf/%lf/%lf final-proj-date=%lf/%lf/%lf\n",&popforecast,popfile,&jproj1,&mproj1,&anproj1,&jproj2,&mproj2,&anproj2);  
 fprintf(ficparo,"popforecast=%d popfile=%s starting-proj-date=%.lf/%.lf/%.lf final-proj-date=%.lf/%.lf/%.lf\n",popforecast,popfile,jproj1,mproj1,anproj1,jproj2,mproj2,anproj2);  
 fprintf(ficres,"popforecast=%d popfile=%s starting-proj-date=%.lf/%.lf/%.lf final-proj-date=%.lf/%.lf/%.lf\n",popforecast,popfile,jproj1,mproj1,anproj1,jproj2,mproj2,anproj2);      for(theta=1; theta <=npar; theta++){
         for(i=1; i<=npar; i++){ /* Computes gradient x + delta*/
  freqsummary(fileres, agemin, agemax, s, agev, nlstate, imx,Tvar,nbcode, ncodemax,mint,anint,dateprev1,dateprev2);          xp[i] = x[i] + (i==theta ?delti[theta]:0);
         }
  /*------------ gnuplot -------------*/        hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);  
 chdir(pathcd);        prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);
   if((ficgp=fopen("graph.plt","w"))==NULL) {  
     printf("Problem with file graph.gp");goto end;        if (popbased==1) {
   }          if(mobilav ==0){
 #ifdef windows            for(i=1; i<=nlstate;i++)
   fprintf(ficgp,"cd \"%s\" \n",pathc);              prlim[i][i]=probs[(int)age][i][ij];
 #endif          }else{ /* mobilav */ 
 m=pow(2,cptcoveff);            for(i=1; i<=nlstate;i++)
                prlim[i][i]=mobaverage[(int)age][i][ij];
  /* 1eme*/          }
   for (cpt=1; cpt<= nlstate ; cpt ++) {        }
    for (k1=1; k1<= m ; k1 ++) {    
         for(j=1; j<= nlstate; j++){
 #ifdef windows          for(h=0; h<=nhstepm; h++){
     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);            for(i=1, gp[h][j]=0.;i<=nlstate;i++)
 #endif              gp[h][j] += prlim[i][i]*p3mat[i][j][h];
 #ifdef unix          }
 fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability\" \nplot [%.f:%.f] \"vpl%s\" u 1:2 \"\%%lf",agemin,fage,fileres);        }
 #endif        /* This for computing probability of death (h=1 means
            computed over hstepm matrices product = hstepm*stepm months) 
 for (i=1; i<= nlstate ; i ++) {           as a weighted average of prlim.
   if (i==cpt) fprintf(ficgp," \%%lf (\%%lf)");        */
   else fprintf(ficgp," \%%*lf (\%%*lf)");        for(j=nlstate+1;j<=nlstate+ndeath;j++){
 }          for(i=1,gpp[j]=0.; i<= nlstate; i++)
     fprintf(ficgp,"\" t\"Stationary prevalence\" w l 0,\"vpl%s\" every :::%d::%d u 1:($2+2*$3) \"\%%lf",fileres,k1-1,k1-1);            gpp[j] += prlim[i][i]*p3mat[i][j][1];
     for (i=1; i<= nlstate ; i ++) {        }    
   if (i==cpt) fprintf(ficgp," \%%lf (\%%lf)");        /* end probability of death */
   else fprintf(ficgp," \%%*lf (\%%*lf)");  
 }        for(i=1; i<=npar; i++) /* Computes gradient x - delta */
   fprintf(ficgp,"\" t\"95\%% CI\" w l 1,\"vpl%s\" every :::%d::%d u 1:($2-2*$3) \"\%%lf",fileres,k1-1,k1-1);          xp[i] = x[i] - (i==theta ?delti[theta]:0);
      for (i=1; i<= nlstate ; i ++) {        hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);  
   if (i==cpt) fprintf(ficgp," \%%lf (\%%lf)");        prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);
   else fprintf(ficgp," \%%*lf (\%%*lf)");   
 }          if (popbased==1) {
      fprintf(ficgp,"\" t\"\" w l 1,\"p%s\" every :::%d::%d u 1:($%d) t\"Observed prevalence \" w l 2",fileres,k1-1,k1-1,2+4*(cpt-1));          if(mobilav ==0){
 #ifdef unix            for(i=1; i<=nlstate;i++)
 fprintf(ficgp,"\nset ter gif small size 400,300");              prlim[i][i]=probs[(int)age][i][ij];
 #endif          }else{ /* mobilav */ 
 fprintf(ficgp,"\nset out \"v%s%d%d.gif\" \nreplot\n\n",strtok(optionfile, "."),cpt,k1);            for(i=1; i<=nlstate;i++)
    }              prlim[i][i]=mobaverage[(int)age][i][ij];
   }          }
   /*2 eme*/        }
   
   for (k1=1; k1<= m ; k1 ++) {        for(j=1; j<= nlstate; j++){
     fprintf(ficgp,"set ylabel \"Years\" \nset ter gif small size 400,300\nplot [%.f:%.f] ",agemin,fage);          for(h=0; h<=nhstepm; h++){
                for(i=1, gm[h][j]=0.;i<=nlstate;i++)
     for (i=1; i<= nlstate+1 ; i ++) {              gm[h][j] += prlim[i][i]*p3mat[i][j][h];
       k=2*i;          }
       fprintf(ficgp,"\"t%s\" every :::%d::%d u 1:2 \"\%%lf",fileres,k1-1,k1-1);        }
       for (j=1; j<= nlstate+1 ; j ++) {        /* This for computing probability of death (h=1 means
   if (j==i) fprintf(ficgp," \%%lf (\%%lf)");           computed over hstepm matrices product = hstepm*stepm months) 
   else fprintf(ficgp," \%%*lf (\%%*lf)");           as a weighted average of prlim.
 }          */
       if (i== 1) fprintf(ficgp,"\" t\"TLE\" w l ,");        for(j=nlstate+1;j<=nlstate+ndeath;j++){
       else fprintf(ficgp,"\" t\"LE in state (%d)\" w l ,",i-1);          for(i=1,gmp[j]=0.; i<= nlstate; i++)
     fprintf(ficgp,"\"t%s\" every :::%d::%d u 1:($2-$3*2) \"\%%lf",fileres,k1-1,k1-1);           gmp[j] += prlim[i][i]*p3mat[i][j][1];
       for (j=1; j<= nlstate+1 ; j ++) {        }    
         if (j==i) fprintf(ficgp," \%%lf (\%%lf)");        /* end probability of death */
         else fprintf(ficgp," \%%*lf (\%%*lf)");  
 }          for(j=1; j<= nlstate; j++) /* vareij */
       fprintf(ficgp,"\" t\"\" w l 0,");          for(h=0; h<=nhstepm; h++){
      fprintf(ficgp,"\"t%s\" every :::%d::%d u 1:($2+$3*2) \"\%%lf",fileres,k1-1,k1-1);            gradg[h][theta][j]= (gp[h][j]-gm[h][j])/2./delti[theta];
       for (j=1; j<= nlstate+1 ; j ++) {          }
   if (j==i) fprintf(ficgp," \%%lf (\%%lf)");  
   else fprintf(ficgp," \%%*lf (\%%*lf)");        for(j=nlstate+1; j<= nlstate+ndeath; j++){ /* var mu */
 }            gradgp[theta][j]= (gpp[j]-gmp[j])/2./delti[theta];
       if (i== (nlstate+1)) fprintf(ficgp,"\" t\"\" w l 0");        }
       else fprintf(ficgp,"\" t\"\" w l 0,");  
     }      } /* End theta */
     fprintf(ficgp,"\nset out \"e%s%d.gif\" \nreplot\n\n",strtok(optionfile, "."),k1);  
   }      trgradg =ma3x(0,nhstepm,1,nlstate,1,npar); /* veij */
    
   /*3eme*/      for(h=0; h<=nhstepm; h++) /* veij */
         for(j=1; j<=nlstate;j++)
   for (k1=1; k1<= m ; k1 ++) {          for(theta=1; theta <=npar; theta++)
     for (cpt=1; cpt<= nlstate ; cpt ++) {            trgradg[h][j][theta]=gradg[h][theta][j];
       k=2+nlstate*(cpt-1);  
       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);      for(j=nlstate+1; j<=nlstate+ndeath;j++) /* mu */
       for (i=1; i< nlstate ; i ++) {        for(theta=1; theta <=npar; theta++)
         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);          trgradgp[j][theta]=gradgp[theta][j];
       }    
       fprintf(ficgp,"\nset out \"exp%s%d%d.gif\" \nreplot\n\n",strtok(optionfile, "."),cpt,k1);  
     }      hf=hstepm*stepm/YEARM;  /* Duration of hstepm expressed in year unit. */
   }      for(i=1;i<=nlstate;i++)
          for(j=1;j<=nlstate;j++)
   /* CV preval stat */          vareij[i][j][(int)age] =0.;
   for (k1=1; k1<= m ; k1 ++) {  
     for (cpt=1; cpt<nlstate ; cpt ++) {      for(h=0;h<=nhstepm;h++){
       k=3;        for(k=0;k<=nhstepm;k++){
       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/($%d",agemin,agemax,fileres,k1,k+cpt+1,k+1);          matprod2(dnewm,trgradg[h],1,nlstate,1,npar,1,npar,matcov);
       for (i=1; i< nlstate ; i ++)          matprod2(doldm,dnewm,1,nlstate,1,npar,1,nlstate,gradg[k]);
         fprintf(ficgp,"+$%d",k+i+1);          for(i=1;i<=nlstate;i++)
       fprintf(ficgp,")) t\"prev(%d,%d)\" w l",cpt,cpt+1);            for(j=1;j<=nlstate;j++)
                    vareij[i][j][(int)age] += doldm[i][j]*hf*hf;
       l=3+(nlstate+ndeath)*cpt;        }
       fprintf(ficgp,",\"pij%s\" u ($1==%d ? ($3):1/0):($%d/($%d",fileres,k1,l+cpt+1,l+1);      }
       for (i=1; i< nlstate ; i ++) {    
         l=3+(nlstate+ndeath)*cpt;      /* pptj */
         fprintf(ficgp,"+$%d",l+i+1);      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);
       fprintf(ficgp,")) t\"prev(%d,%d)\" w l\n",cpt+1,cpt+1);        for(j=nlstate+1;j<=nlstate+ndeath;j++)
       fprintf(ficgp,"set out \"p%s%d%d.gif\" \nreplot\n\n",strtok(optionfile, "."),cpt,k1);        for(i=nlstate+1;i<=nlstate+ndeath;i++)
     }          varppt[j][i]=doldmp[j][i];
   }        /* end ppptj */
       /*  x centered again */
   /* proba elementaires */      hpxij(p3mat,nhstepm,age,hstepm,x,nlstate,stepm,oldm,savm, ij);  
    for(i=1,jk=1; i <=nlstate; i++){      prevalim(prlim,nlstate,x,age,oldm,savm,ftolpl,ij);
     for(k=1; k <=(nlstate+ndeath); k++){   
       if (k != i) {      if (popbased==1) {
         for(j=1; j <=ncovmodel; j++){        if(mobilav ==0){
           /*fprintf(ficgp,"%s%1d%1d=%f ",alph[j],i,k,p[jk]);*/          for(i=1; i<=nlstate;i++)
           /*fprintf(ficgp,"%s",alph[1]);*/            prlim[i][i]=probs[(int)age][i][ij];
           fprintf(ficgp,"p%d=%f ",jk,p[jk]);        }else{ /* mobilav */ 
           jk++;          for(i=1; i<=nlstate;i++)
           fprintf(ficgp,"\n");            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) 
   for(jk=1; jk <=m; jk++) {         as a weighted average of prlim.
   fprintf(ficgp,"\nset ter gif small size 400,300\nset log y\nplot  [%.f:%.f] ",agemin,agemax);      */
    i=1;      for(j=nlstate+1;j<=nlstate+ndeath;j++){
    for(k2=1; k2<=nlstate; k2++) {        for(i=1,gmp[j]=0.;i<= nlstate; i++) 
      k3=i;          gmp[j] += prlim[i][i]*p3mat[i][j][1]; 
      for(k=1; k<=(nlstate+ndeath); k++) {      }    
        if (k != k2){      /* end probability of death */
         fprintf(ficgp," exp(p%d+p%d*x",i,i+1);  
 ij=1;      fprintf(ficresprobmorprev,"%3d %d ",(int) age, ij);
         for(j=3; j <=ncovmodel; j++) {      for(j=nlstate+1; j<=(nlstate+ndeath);j++){
           if(((j-2)==Tage[ij]) &&(ij <=cptcovage)) {        fprintf(ficresprobmorprev," %11.3e %11.3e",gmp[j], sqrt(varppt[j][j]));
             fprintf(ficgp,"+p%d*%d*x",i+j-1,nbcode[Tvar[j-2]][codtab[jk][Tvar[j-2]]]);        for(i=1; i<=nlstate;i++){
             ij++;          fprintf(ficresprobmorprev," %11.3e %11.3e ",prlim[i][i],p3mat[i][j][1]);
           }        }
           else      } 
           fprintf(ficgp,"+p%d*%d",i+j-1,nbcode[Tvar[j-2]][codtab[jk][j-2]]);      fprintf(ficresprobmorprev,"\n");
         }  
           fprintf(ficgp,")/(1");      fprintf(ficresvij,"%.0f ",age );
              for(i=1; i<=nlstate;i++)
         for(k1=1; k1 <=nlstate; k1++){          for(j=1; j<=nlstate;j++){
           fprintf(ficgp,"+exp(p%d+p%d*x",k3+(k1-1)*ncovmodel,k3+(k1-1)*ncovmodel+1);          fprintf(ficresvij," %.4f", vareij[i][j][(int)age]);
 ij=1;        }
           for(j=3; j <=ncovmodel; j++){      fprintf(ficresvij,"\n");
           if(((j-2)==Tage[ij]) &&(ij <=cptcovage)) {      free_matrix(gp,0,nhstepm,1,nlstate);
             fprintf(ficgp,"+p%d*%d*x",k3+(k1-1)*ncovmodel+1+j-2,nbcode[Tvar[j-2]][codtab[jk][Tvar[j-2]]]);      free_matrix(gm,0,nhstepm,1,nlstate);
             ij++;      free_ma3x(gradg,0,nhstepm,1,npar,1,nlstate);
           }      free_ma3x(trgradg,0,nhstepm,1,nlstate,1,npar);
           else      free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
             fprintf(ficgp,"+p%d*%d",k3+(k1-1)*ncovmodel+1+j-2,nbcode[Tvar[j-2]][codtab[jk][j-2]]);    } /* End age */
           }    free_vector(gpp,nlstate+1,nlstate+ndeath);
           fprintf(ficgp,")");    free_vector(gmp,nlstate+1,nlstate+ndeath);
         }    free_matrix(gradgp,1,npar,nlstate+1,nlstate+ndeath);
         fprintf(ficgp,") t \"p%d%d\" ", k2,k);    free_matrix(trgradgp,nlstate+1,nlstate+ndeath,1,npar); /* mu or p point j*/
         if ((k+k2)!= (nlstate*2+ndeath)) fprintf(ficgp,",");    fprintf(ficgp,"\nset noparametric;set nolabel; set ter png small;set size 0.65, 0.65");
         i=i+ncovmodel;    /* for(j=nlstate+1; j<= nlstate+ndeath; j++){ *//* Only the first actually */
        }    fprintf(ficgp,"\n set log y; set nolog x;set xlabel \"Age\"; set ylabel \"Force of mortality (year-1)\";");
      }  /*   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,"\nset out \"pe%s%d.gif\" \nreplot\n\n",strtok(optionfile, "."),jk);  /*   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 1 ",subdirf(fileresprobmorprev));
        fprintf(ficgp,"\n replot \"%s\"  u 1:(($3+1.96*$4)) t \"95\%% interval\" w l 2 ",subdirf(fileresprobmorprev));
   fclose(ficgp);    fprintf(ficgp,"\n replot \"%s\"  u 1:(($3-1.96*$4)) not w l 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));
 chdir(path);    fprintf(fichtm,"\n<br> Probability is computed over estepm=%d months. <br> <img src=\"%s%s.png\"> <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.png\"> <br>\n", stepm,YEARM,digitp,digit);
     free_ivector(wav,1,imx);  */
     free_imatrix(dh,1,lastpass-firstpass+1,1,imx);  /*   fprintf(ficgp,"\nset out \"varmuptjgr%s%s%s.png\";replot;",digitp,optionfilefiname,digit); */
     free_imatrix(mw,1,lastpass-firstpass+1,1,imx);      fprintf(ficgp,"\nset out \"%s%s.png\";replot;\n",subdirf3(optionfilefiname,"varmuptjgr",digitp),digit);
     free_ivector(num,1,n);  
     free_vector(agedc,1,n);    free_vector(xp,1,npar);
     /*free_matrix(covar,1,NCOVMAX,1,n);*/    free_matrix(doldm,1,nlstate,1,nlstate);
     fclose(ficparo);    free_matrix(dnewm,1,nlstate,1,npar);
     fclose(ficres);    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);
    /*________fin mle=1_________*/    if (mobilav!=0) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX);
        fclose(ficresprobmorprev);
     fflush(ficgp);
      fflush(fichtm); 
     /* No more information from the sample is required now */  }  /* end varevsij */
   /* Reads comments: lines beginning with '#' */  
   while((c=getc(ficpar))=='#' && c!= EOF){  /************ Variance of prevlim ******************/
     ungetc(c,ficpar);  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)
     fgets(line, MAXLINE, ficpar);  {
     puts(line);    /* Variance of prevalence limit */
     fputs(line,ficparo);    /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double **savm,double ftolpl);*/
   }    double **newm;
   ungetc(c,ficpar);    double **dnewm,**doldm;
      int i, j, nhstepm, hstepm;
   fscanf(ficpar,"agemin=%lf agemax=%lf bage=%lf fage=%lf\n",&agemin,&agemax, &bage, &fage);    int k, cptcode;
   printf("agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f\n",agemin,agemax, bage, fage);    double *xp;
   fprintf(ficparo,"agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f\n",agemin,agemax,bage,fage);    double *gp, *gm;
 /*--------- index.htm --------*/    double **gradg, **trgradg;
     double age,agelim;
   strcpy(optionfilehtm,optionfile);    int theta;
   strcat(optionfilehtm,".htm");     
   if((fichtm=fopen(optionfilehtm,"w"))==NULL)    {    fprintf(ficresvpl,"# Standard deviation of stable prevalences \n");
     printf("Problem with %s \n",optionfilehtm);goto end;    fprintf(ficresvpl,"# Age");
   }    for(i=1; i<=nlstate;i++)
         fprintf(ficresvpl," %1d-%1d",i,i);
  fprintf(fichtm,"<body><ul> <font size=\"6\">Imach, Version 0.7 </font> <hr size=\"2\" color=\"#EC5E5E\">    fprintf(ficresvpl,"\n");
 Titre=%s <br>Datafile=%s Firstpass=%d Lastpass=%d Stepm=%d Weight=%d Model=%s<br>  
 Total number of observations=%d <br>    xp=vector(1,npar);
 Interval (in months) between two waves: Min=%d Max=%d Mean=%.2lf<br>    dnewm=matrix(1,nlstate,1,npar);
 <hr  size=\"2\" color=\"#EC5E5E\">    doldm=matrix(1,nlstate,1,nlstate);
 <li>Outputs files<br><br>\n    
         - Observed prevalence in each state: <a href=\"p%s\">p%s</a> <br>\n    hstepm=1*YEARM; /* Every year of age */
 - Estimated parameters and the covariance matrix: <a href=\"%s\">%s</a> <br>    hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */ 
         - Stationary prevalence in each state: <a href=\"pl%s\">pl%s</a> <br>    agelim = AGESUP;
         - Transition probabilities: <a href=\"pij%s\">pij%s</a><br>    for (age=bage; age<=fage; age ++){ /* If stepm=6 months */
         - Copy of the parameter file: <a href=\"o%s\">o%s</a><br>      nhstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */ 
         - Life expectancies by age and initial health status: <a href=\"e%s\">e%s</a> <br>      if (stepm >= YEARM) hstepm=1;
         - Variances of life expectancies by age and initial health status: <a href=\"v%s\">v%s</a><br>      nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */
         - Health expectancies with their variances: <a href=\"t%s\">t%s</a> <br>      gradg=matrix(1,npar,1,nlstate);
         - Standard deviation of stationary prevalences: <a href=\"vpl%s\">vpl%s</a> <br>      gp=vector(1,nlstate);
         - Prevalences and population forecasting: <a href=\"f%s\">f%s</a> <br>      gm=vector(1,nlstate);
 <br>",title,datafile,firstpass,lastpass,stepm, weightopt,model,imx,jmin,jmax,jmean,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres);  
       for(theta=1; theta <=npar; theta++){
  fprintf(fichtm," <li>Graphs</li><p>");        for(i=1; i<=npar; i++){ /* Computes gradient */
           xp[i] = x[i] + (i==theta ?delti[theta]:0);
  m=cptcoveff;        }
  if (cptcovn < 1) {m=1;ncodemax[1]=1;}        prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);
         for(i=1;i<=nlstate;i++)
  j1=0;          gp[i] = prlim[i][i];
  for(k1=1; k1<=m;k1++){      
    for(i1=1; i1<=ncodemax[k1];i1++){        for(i=1; i<=npar; i++) /* Computes gradient */
        j1++;          xp[i] = x[i] - (i==theta ?delti[theta]:0);
        if (cptcovn > 0) {        prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);
          fprintf(fichtm,"<hr  size=\"2\" color=\"#EC5E5E\">************ Results for covariates");        for(i=1;i<=nlstate;i++)
          for (cpt=1; cpt<=cptcoveff;cpt++)          gm[i] = prlim[i][i];
            fprintf(fichtm," V%d=%d ",Tvaraff[cpt],nbcode[Tvaraff[cpt]][codtab[j1][cpt]]);  
          fprintf(fichtm," ************\n<hr size=\"2\" color=\"#EC5E5E\">");        for(i=1;i<=nlstate;i++)
        }          gradg[theta][i]= (gp[i]-gm[i])/2./delti[theta];
        fprintf(fichtm,"<br>- Probabilities: pe%s%d.gif<br>      } /* End theta */
 <img src=\"pe%s%d.gif\">",strtok(optionfile, "."),j1,strtok(optionfile, "."),j1);      
        for(cpt=1; cpt<nlstate;cpt++){      trgradg =matrix(1,nlstate,1,npar);
          fprintf(fichtm,"<br>- Prevalence of disability : p%s%d%d.gif<br>  
 <img src=\"p%s%d%d.gif\">",strtok(optionfile, "."),cpt,j1,strtok(optionfile, "."),cpt,j1);      for(j=1; j<=nlstate;j++)
        }        for(theta=1; theta <=npar; theta++)
     for(cpt=1; cpt<=nlstate;cpt++) {          trgradg[j][theta]=gradg[theta][j];
        fprintf(fichtm,"<br>- Observed and stationary prevalence (with confident  
 interval) in state (%d): v%s%d%d.gif <br>      for(i=1;i<=nlstate;i++)
 <img src=\"v%s%d%d.gif\">",cpt,strtok(optionfile, "."),cpt,j1,strtok(optionfile, "."),cpt,j1);          varpl[i][(int)age] =0.;
      }      matprod2(dnewm,trgradg,1,nlstate,1,npar,1,npar,matcov);
      for(cpt=1; cpt<=nlstate;cpt++) {      matprod2(doldm,dnewm,1,nlstate,1,npar,1,nlstate,gradg);
         fprintf(fichtm,"\n<br>- Health life expectancies by age and initial health state (%d): exp%s%d%d.gif <br>      for(i=1;i<=nlstate;i++)
 <img src=\"exp%s%d%d.gif\">",cpt,strtok(optionfile, "."),cpt,j1,strtok(optionfile, "."),cpt,j1);        varpl[i][(int)age] = doldm[i][i]; /* Covariances are useless */
      }  
      fprintf(fichtm,"\n<br>- Total life expectancy by age and      fprintf(ficresvpl,"%.0f ",age );
 health expectancies in states (1) and (2): e%s%d.gif<br>      for(i=1; i<=nlstate;i++)
 <img src=\"e%s%d.gif\">",strtok(optionfile, "."),j1,strtok(optionfile, "."),j1);        fprintf(ficresvpl," %.5f (%.5f)",prlim[i][i],sqrt(varpl[i][(int)age]));
 fprintf(fichtm,"\n</body>");      fprintf(ficresvpl,"\n");
    }      free_vector(gp,1,nlstate);
  }      free_vector(gm,1,nlstate);
 fclose(fichtm);      free_matrix(gradg,1,npar,1,nlstate);
       free_matrix(trgradg,1,nlstate,1,npar);
   /*--------------- Prevalence limit --------------*/    } /* End age */
    
   strcpy(filerespl,"pl");    free_vector(xp,1,npar);
   strcat(filerespl,fileres);    free_matrix(doldm,1,nlstate,1,npar);
   if((ficrespl=fopen(filerespl,"w"))==NULL) {    free_matrix(dnewm,1,nlstate,1,nlstate);
     printf("Problem with Prev limit resultfile: %s\n", filerespl);goto end;  
   }  }
   printf("Computing prevalence limit: result on file '%s' \n", filerespl);  
   fprintf(ficrespl,"#Prevalence limit\n");  /************ Variance of one-step probabilities  ******************/
   fprintf(ficrespl,"#Age ");  void varprob(char optionfilefiname[], double **matcov, double x[], double delti[], int nlstate, double bage, double fage, int ij, int *Tvar, int **nbcode, int *ncodemax)
   for(i=1; i<=nlstate;i++) fprintf(ficrespl,"%d-%d ",i,i);  {
   fprintf(ficrespl,"\n");    int i, j=0,  i1, k1, l1, t, tj;
      int k2, l2, j1,  z1;
   prlim=matrix(1,nlstate,1,nlstate);    int k=0,l, cptcode;
   pmmij= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */    int first=1, first1;
   oldms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */    double cv12, mu1, mu2, lc1, lc2, v12, v21, v11, v22,v1,v2, c12, tnalp;
   newms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */    double **dnewm,**doldm;
   savms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */    double *xp;
   oldm=oldms; newm=newms; savm=savms; /* Keeps fixed addresses to free */    double *gp, *gm;
   k=0;    double **gradg, **trgradg;
   agebase=agemin;    double **mu;
   agelim=agemax;    double age,agelim, cov[NCOVMAX];
   ftolpl=1.e-10;    double std=2.0; /* Number of standard deviation wide of confidence ellipsoids */
   i1=cptcoveff;    int theta;
   if (cptcovn < 1){i1=1;}    char fileresprob[FILENAMELENGTH];
     char fileresprobcov[FILENAMELENGTH];
   for(cptcov=1;cptcov<=i1;cptcov++){    char fileresprobcor[FILENAMELENGTH];
     for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){  
         k=k+1;    double ***varpij;
         /*printf("cptcov=%d cptcod=%d codtab=%d nbcode=%d\n",cptcov, cptcod,Tcode[cptcode],codtab[cptcod][cptcov]);*/  
         fprintf(ficrespl,"\n#******");    strcpy(fileresprob,"prob"); 
         for(j=1;j<=cptcoveff;j++)    strcat(fileresprob,fileres);
           fprintf(ficrespl," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);    if((ficresprob=fopen(fileresprob,"w"))==NULL) {
         fprintf(ficrespl,"******\n");      printf("Problem with resultfile: %s\n", fileresprob);
              fprintf(ficlog,"Problem with resultfile: %s\n", fileresprob);
         for (age=agebase; age<=agelim; age++){    }
           prevalim(prlim, nlstate, p, age, oldm, savm,ftolpl,k);    strcpy(fileresprobcov,"probcov"); 
           fprintf(ficrespl,"%.0f",age );    strcat(fileresprobcov,fileres);
           for(i=1; i<=nlstate;i++)    if((ficresprobcov=fopen(fileresprobcov,"w"))==NULL) {
           fprintf(ficrespl," %.5f", prlim[i][i]);      printf("Problem with resultfile: %s\n", fileresprobcov);
           fprintf(ficrespl,"\n");      fprintf(ficlog,"Problem with resultfile: %s\n", fileresprobcov);
         }    }
       }    strcpy(fileresprobcor,"probcor"); 
     }    strcat(fileresprobcor,fileres);
   fclose(ficrespl);    if((ficresprobcor=fopen(fileresprobcor,"w"))==NULL) {
       printf("Problem with resultfile: %s\n", fileresprobcor);
   /*------------- h Pij x at various ages ------------*/      fprintf(ficlog,"Problem with resultfile: %s\n", fileresprobcor);
      }
   strcpy(filerespij,"pij");  strcat(filerespij,fileres);    printf("Computing standard deviation of one-step probabilities: result on file '%s' \n",fileresprob);
   if((ficrespij=fopen(filerespij,"w"))==NULL) {    fprintf(ficlog,"Computing standard deviation of one-step probabilities: result on file '%s' \n",fileresprob);
     printf("Problem with Pij resultfile: %s\n", filerespij);goto end;    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("Computing pij: result on file '%s' \n", filerespij);    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);
   stepsize=(int) (stepm+YEARM-1)/YEARM;    
   /*if (stepm<=24) stepsize=2;*/    fprintf(ficresprob,"#One-step probabilities and stand. devi in ()\n");
     fprintf(ficresprob,"# Age");
   agelim=AGESUP;    fprintf(ficresprobcov,"#One-step probabilities and covariance matrix\n");
   hstepm=stepsize*YEARM; /* Every year of age */    fprintf(ficresprobcov,"# Age");
   hstepm=hstepm/stepm; /* Typically 2 years, = 2/6 months = 4 */    fprintf(ficresprobcor,"#One-step probabilities and correlation matrix\n");
      fprintf(ficresprobcov,"# Age");
   k=0;  
   for(cptcov=1;cptcov<=i1;cptcov++){  
     for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){    for(i=1; i<=nlstate;i++)
       k=k+1;      for(j=1; j<=(nlstate+ndeath);j++){
         fprintf(ficrespij,"\n#****** ");        fprintf(ficresprob," p%1d-%1d (SE)",i,j);
         for(j=1;j<=cptcoveff;j++)        fprintf(ficresprobcov," p%1d-%1d ",i,j);
           fprintf(ficrespij,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);        fprintf(ficresprobcor," p%1d-%1d ",i,j);
         fprintf(ficrespij,"******\n");      }  
           /* fprintf(ficresprob,"\n");
         for (agedeb=fage; agedeb>=bage; agedeb--){ /* If stepm=6 months */    fprintf(ficresprobcov,"\n");
           nhstepm=(int) rint((agelim-agedeb)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */    fprintf(ficresprobcor,"\n");
           nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */   */
           p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);   xp=vector(1,npar);
           oldm=oldms;savm=savms;    dnewm=matrix(1,(nlstate)*(nlstate+ndeath),1,npar);
           hpxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);      doldm=matrix(1,(nlstate)*(nlstate+ndeath),1,(nlstate)*(nlstate+ndeath));
           fprintf(ficrespij,"# Age");    mu=matrix(1,(nlstate)*(nlstate+ndeath), (int) bage, (int)fage);
           for(i=1; i<=nlstate;i++)    varpij=ma3x(1,nlstate*(nlstate+ndeath),1,nlstate*(nlstate+ndeath),(int) bage, (int) fage);
             for(j=1; j<=nlstate+ndeath;j++)    first=1;
               fprintf(ficrespij," %1d-%1d",i,j);    fprintf(ficgp,"\n# Routine varprob");
           fprintf(ficrespij,"\n");    fprintf(fichtm,"\n<li><h4> Computing and drawing one step probabilities with their confidence intervals</h4></li>\n");
           for (h=0; h<=nhstepm; h++){    fprintf(fichtm,"\n");
             fprintf(ficrespij,"%d %.0f %.0f",k,agedeb, agedeb+ h*hstepm/YEARM*stepm );  
             for(i=1; i<=nlstate;i++)    fprintf(fichtm,"\n<li><h4> Computing matrix of variance-covariance of step probabilities</h4></li>\n");
               for(j=1; j<=nlstate+ndeath;j++)    fprintf(fichtm,"\nWe have drawn ellipsoids of confidence around the p<inf>ij</inf>, p<inf>kl</inf> to understand the covariance between two incidences. They are expressed in year<sup>-1</sup> in order to be less dependent of stepm.<br>\n");
                 fprintf(ficrespij," %.5f", p3mat[i][j][h]);    fprintf(fichtm,"\n<br> We have drawn x'cov<sup>-1</sup>x = 4 where x is the column vector (pij,pkl). It means that if pij and pkl where uncorrelated the (2X2) matrix 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> When both incidences are correlated we diagonalised the inverse of the covariance matrix and made the appropriate rotation.<br> \n");
             fprintf(ficrespij,"\n");  
           }    cov[1]=1;
           free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);    tj=cptcoveff;
           fprintf(ficrespij,"\n");    if (cptcovn<1) {tj=1;ncodemax[1]=1;}
         }    j1=0;
     }    for(t=1; t<=tj;t++){
   }      for(i1=1; i1<=ncodemax[t];i1++){ 
         j1++;
   /* varprob(fileres, matcov, p, delti, nlstate, (int) bage, (int) fage,k);*/        if  (cptcovn>0) {
           fprintf(ficresprob, "\n#********** Variable "); 
   fclose(ficrespij);          for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresprob, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
           fprintf(ficresprob, "**********\n#\n");
   /*---------- Forecasting ------------------*/          fprintf(ficresprobcov, "\n#********** Variable "); 
   calagedate=(anproj1+mproj1/12.+jproj1/365.-dateintmean)*YEARM;          for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresprobcov, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
           fprintf(ficresprobcov, "**********\n#\n");
   prevalence(agemin, agemax, s, agev, nlstate, imx,Tvar,nbcode, ncodemax,mint,anint,dateprev1,dateprev2, calagedate);          
           fprintf(ficgp, "\n#********** Variable "); 
           for (z1=1; z1<=cptcoveff; z1++) fprintf(ficgp, " V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
   strcpy(fileresf,"f");          fprintf(ficgp, "**********\n#\n");
   strcat(fileresf,fileres);          
   if((ficresf=fopen(fileresf,"w"))==NULL) {          
     printf("Problem with forecast resultfile: %s\n", fileresf);goto end;          fprintf(fichtm, "\n<hr  size=\"2\" color=\"#EC5E5E\">********** Variable "); 
   }          for (z1=1; z1<=cptcoveff; z1++) fprintf(fichtm, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
   printf("Computing forecasting: result on file '%s' \n", fileresf);          fprintf(fichtm, "**********\n<hr size=\"2\" color=\"#EC5E5E\">");
           
   free_matrix(mint,1,maxwav,1,n);          fprintf(ficresprobcor, "\n#********** Variable ");    
   free_matrix(anint,1,maxwav,1,n);          for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresprobcor, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
   free_matrix(agev,1,maxwav,1,imx);          fprintf(ficresprobcor, "**********\n#");    
   /* Mobile average */        }
         
   if (cptcoveff==0) ncodemax[cptcoveff]=1;        for (age=bage; age<=fage; age ++){ 
           cov[2]=age;
   if (mobilav==1) {          for (k=1; k<=cptcovn;k++) {
     mobaverage= ma3x(1, AGESUP,1,NCOVMAX, 1,NCOVMAX);            cov[2+k]=nbcode[Tvar[k]][codtab[j1][Tvar[k]]];
     for (agedeb=bage+3; agedeb<=fage-2; agedeb++)          }
       for (i=1; i<=nlstate;i++)          for (k=1; k<=cptcovage;k++) cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];
         for (cptcod=1;cptcod<=ncodemax[cptcov];cptcod++)          for (k=1; k<=cptcovprod;k++)
           mobaverage[(int)agedeb][i][cptcod]=0.;            cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];
              
     for (agedeb=bage+4; agedeb<=fage; agedeb++){          gradg=matrix(1,npar,1,(nlstate)*(nlstate+ndeath));
       for (i=1; i<=nlstate;i++){          trgradg=matrix(1,(nlstate)*(nlstate+ndeath),1,npar);
         for (cptcod=1;cptcod<=ncodemax[cptcoveff];cptcod++){          gp=vector(1,(nlstate)*(nlstate+ndeath));
           for (cpt=0;cpt<=4;cpt++){          gm=vector(1,(nlstate)*(nlstate+ndeath));
             mobaverage[(int)agedeb-2][i][cptcod]=mobaverage[(int)agedeb-2][i][cptcod]+probs[(int)agedeb-cpt][i][cptcod];      
           }          for(theta=1; theta <=npar; theta++){
           mobaverage[(int)agedeb-2][i][cptcod]=mobaverage[(int)agedeb-2][i][cptcod]/5;            for(i=1; i<=npar; i++)
         }              xp[i] = x[i] + (i==theta ?delti[theta]:(double)0);
       }            
     }              pmij(pmmij,cov,ncovmodel,xp,nlstate);
   }            
             k=0;
   stepsize=(int) (stepm+YEARM-1)/YEARM;            for(i=1; i<= (nlstate); i++){
   if (stepm<=12) stepsize=1;              for(j=1; j<=(nlstate+ndeath);j++){
                 k=k+1;
   agelim=AGESUP;                gp[k]=pmmij[i][j];
   /*hstepm=stepsize*YEARM; *//* Every year of age */              }
   hstepm=1;            }
   hstepm=hstepm/stepm; /* Typically 2 years, = 2 years/6 months = 4 */            
   yp1=modf(dateintmean,&yp);            for(i=1; i<=npar; i++)
   anprojmean=yp;              xp[i] = x[i] - (i==theta ?delti[theta]:(double)0);
   yp2=modf((yp1*12),&yp);      
   mprojmean=yp;            pmij(pmmij,cov,ncovmodel,xp,nlstate);
   yp1=modf((yp2*30.5),&yp);            k=0;
   jprojmean=yp;            for(i=1; i<=(nlstate); i++){
   if(jprojmean==0) jprojmean=1;              for(j=1; j<=(nlstate+ndeath);j++){
   if(mprojmean==0) jprojmean=1;                k=k+1;
                 gm[k]=pmmij[i][j];
   fprintf(ficresf,"# Estimated date of observed prevalence: %.lf/%.lf/%.lf ",jprojmean,mprojmean,anprojmean);              }
             }
   if (popforecast==1) {       
     if((ficpop=fopen(popfile,"r"))==NULL)    {            for(i=1; i<= (nlstate)*(nlstate+ndeath); i++) 
       printf("Problem with population file : %s\n",popfile);goto end;              gradg[theta][i]=(gp[i]-gm[i])/(double)2./delti[theta];  
     }          }
     popage=ivector(0,AGESUP);  
     popeffectif=vector(0,AGESUP);          for(j=1; j<=(nlstate)*(nlstate+ndeath);j++)
     popcount=vector(0,AGESUP);            for(theta=1; theta <=npar; theta++)
               trgradg[j][theta]=gradg[theta][j];
     i=1;            
     while ((c=fscanf(ficpop,"%d %lf\n",&popage[i],&popcount[i])) != EOF)          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);
         i=i+1;          free_vector(gp,1,(nlstate+ndeath)*(nlstate+ndeath));
       }          free_vector(gm,1,(nlstate+ndeath)*(nlstate+ndeath));
     imx=i;          free_matrix(trgradg,1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);
              free_matrix(gradg,1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);
     for (i=1; i<imx;i++) popeffectif[popage[i]]=popcount[i];  
   }          pmij(pmmij,cov,ncovmodel,x,nlstate);
           
   for(cptcov=1;cptcov<=i1;cptcov++){          k=0;
     for(cptcod=1;cptcod<=ncodemax[cptcoveff];cptcod++){          for(i=1; i<=(nlstate); i++){
       k=k+1;            for(j=1; j<=(nlstate+ndeath);j++){
       fprintf(ficresf,"\n#******");              k=k+1;
       for(j=1;j<=cptcoveff;j++) {              mu[k][(int) age]=pmmij[i][j];
         fprintf(ficresf," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);            }
       }          }
       fprintf(ficresf,"******\n");          for(i=1;i<=(nlstate)*(nlstate+ndeath);i++)
       fprintf(ficresf,"# StartingAge FinalAge");            for(j=1;j<=(nlstate)*(nlstate+ndeath);j++)
       for(j=1; j<=nlstate+ndeath;j++) fprintf(ficresf," P.%d",j);              varpij[i][j][(int)age] = doldm[i][j];
       if (popforecast==1)  fprintf(ficresf," [Population]");  
            /*printf("\n%d ",(int)age);
       for (cpt=0; cpt<=5;cpt++) {            for (i=1; i<=(nlstate)*(nlstate+ndeath);i++){
         fprintf(ficresf,"\n");            printf("%e [%e ;%e] ",gm[i],gm[i]-2*sqrt(doldm[i][i]),gm[i]+2*sqrt(doldm[i][i]));
   fprintf(ficresf,"\n# Forecasting at date %.lf/%.lf/%.lf ",jproj1,mproj1,anproj1+cpt);              fprintf(ficlog,"%e [%e ;%e] ",gm[i],gm[i]-2*sqrt(doldm[i][i]),gm[i]+2*sqrt(doldm[i][i]));
       for (agedeb=(fage-((int)calagedate %12/12.)); agedeb>=(bage-((int)calagedate %12)/12.); agedeb--){ /* If stepm=6 months */            }*/
         nhstepm=(int) rint((agelim-agedeb)*YEARM/stepm);  
         nhstepm = nhstepm/hstepm;          fprintf(ficresprob,"\n%d ",(int)age);
         /*printf("agedeb=%.lf stepm=%d hstepm=%d nhstepm=%d \n",agedeb,stepm,hstepm,nhstepm);*/          fprintf(ficresprobcov,"\n%d ",(int)age);
           fprintf(ficresprobcor,"\n%d ",(int)age);
         p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);  
         oldm=oldms;savm=savms;          for (i=1; i<=(nlstate)*(nlstate+ndeath);i++)
         hpxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);              fprintf(ficresprob,"%11.3e (%11.3e) ",mu[i][(int) age],sqrt(varpij[i][i][(int)age]));
                          for (i=1; i<=(nlstate)*(nlstate+ndeath);i++){
         for (h=0; h<=nhstepm; h++){            fprintf(ficresprobcov,"%11.3e ",mu[i][(int) age]);
           if (h==(int) (calagedate+YEARM*cpt)) {            fprintf(ficresprobcor,"%11.3e ",mu[i][(int) age]);
             fprintf(ficresf,"\n %.f ",agedeb+h*hstepm/YEARM*stepm);          }
           }          i=0;
           for(j=1; j<=nlstate+ndeath;j++) {          for (k=1; k<=(nlstate);k++){
             kk1=0.;kk2=0;            for (l=1; l<=(nlstate+ndeath);l++){ 
             for(i=1; i<=nlstate;i++) {                      i=i++;
               if (mobilav==1)              fprintf(ficresprobcov,"\n%d %d-%d",(int)age,k,l);
                 kk1=kk1+p3mat[i][j][h]*mobaverage[(int)agedeb+1][i][cptcod];              fprintf(ficresprobcor,"\n%d %d-%d",(int)age,k,l);
               else {              for (j=1; j<=i;j++){
                 kk1=kk1+p3mat[i][j][h]*probs[(int)(agedeb+1)][i][cptcod];                fprintf(ficresprobcov," %11.3e",varpij[i][j][(int)age]);
                 /* fprintf(ficresf," p3=%.3f p=%.3f ", p3mat[i][j][h], probs[(int)(agedeb)+1][i][cptcod]);*/                fprintf(ficresprobcor," %11.3e",varpij[i][j][(int) age]/sqrt(varpij[i][i][(int) age])/sqrt(varpij[j][j][(int)age]));
               }              }
             }
               if (popforecast==1) kk2=kk1*popeffectif[(int)agedeb];          }/* end of loop for state */
             }        } /* end of loop for age */
            
             if (h==(int)(calagedate+12*cpt)){        /* Confidence intervalle of pij  */
               fprintf(ficresf," %.3f", kk1);        /*
                        fprintf(ficgp,"\nset noparametric;unset label");
               if (popforecast==1) fprintf(ficresf," [%.f]", kk2);          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);
         free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);          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)*/
   if (mobilav==1) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX);        first1=1;
   if (popforecast==1) {        for (k2=1; k2<=(nlstate);k2++){
     free_ivector(popage,0,AGESUP);          for (l2=1; l2<=(nlstate+ndeath);l2++){ 
     free_vector(popeffectif,0,AGESUP);            if(l2==k2) continue;
     free_vector(popcount,0,AGESUP);            j=(k2-1)*(nlstate+ndeath)+l2;
   }            for (k1=1; k1<=(nlstate);k1++){
   free_imatrix(s,1,maxwav+1,1,n);              for (l1=1; l1<=(nlstate+ndeath);l1++){ 
   free_vector(weight,1,n);                if(l1==k1) continue;
   fclose(ficresf);                i=(k1-1)*(nlstate+ndeath)+l1;
   /*---------- Health expectancies and variances ------------*/                if(i<=j) continue;
                 for (age=bage; age<=fage; age ++){ 
   strcpy(filerest,"t");                  if ((int)age %5==0){
   strcat(filerest,fileres);                    v1=varpij[i][i][(int)age]/stepm*YEARM/stepm*YEARM;
   if((ficrest=fopen(filerest,"w"))==NULL) {                    v2=varpij[j][j][(int)age]/stepm*YEARM/stepm*YEARM;
     printf("Problem with total LE resultfile: %s\n", filerest);goto end;                    cv12=varpij[i][j][(int)age]/stepm*YEARM/stepm*YEARM;
   }                    mu1=mu[i][(int) age]/stepm*YEARM ;
   printf("Computing Total LEs with variances: file '%s' \n", filerest);                    mu2=mu[j][(int) age]/stepm*YEARM;
                     c12=cv12/sqrt(v1*v2);
                     /* Computing eigen value of matrix of covariance */
   strcpy(filerese,"e");                    lc1=((v1+v2)+sqrt((v1+v2)*(v1+v2) - 4*(v1*v2-cv12*cv12)))/2.;
   strcat(filerese,fileres);                    lc2=((v1+v2)-sqrt((v1+v2)*(v1+v2) - 4*(v1*v2-cv12*cv12)))/2.;
   if((ficreseij=fopen(filerese,"w"))==NULL) {                    /* Eigen vectors */
     printf("Problem with Health Exp. resultfile: %s\n", filerese); exit(0);                    v11=(1./sqrt(1+(v1-lc1)*(v1-lc1)/cv12/cv12));
   }                    /*v21=sqrt(1.-v11*v11); *//* error */
   printf("Computing Health Expectancies: result on file '%s' \n", filerese);                    v21=(lc1-v1)/cv12*v11;
                     v12=-v21;
  strcpy(fileresv,"v");                    v22=v11;
   strcat(fileresv,fileres);                    tnalp=v21/v11;
   if((ficresvij=fopen(fileresv,"w"))==NULL) {                    if(first1==1){
     printf("Problem with variance resultfile: %s\n", fileresv);exit(0);                      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);
   printf("Computing Variance-covariance of DFLEs: file '%s' \n", fileresv);                    }
                     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);
   k=0;                    /*printf(fignu*/
   for(cptcov=1;cptcov<=i1;cptcov++){                    /* mu1+ v11*lc1*cost + v12*lc2*sin(t) */
     for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){                    /* mu2+ v21*lc1*cost + v22*lc2*sin(t) */
       k=k+1;                    if(first==1){
       fprintf(ficrest,"\n#****** ");                      first=0;
       for(j=1;j<=cptcoveff;j++)                      fprintf(ficgp,"\nset parametric;unset label");
         fprintf(ficrest,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);                      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(ficrest,"******\n");                      fprintf(ficgp,"\nset ter png small\nset size 0.65,0.65");
                       fprintf(fichtm,"\n<br>Ellipsoids of confidence cov(p%1d%1d,p%1d%1d) expressed in year<sup>-1</sup>\
       fprintf(ficreseij,"\n#****** ");   :<a href=\"%s%d%1d%1d-%1d%1d.png\">\
       for(j=1;j<=cptcoveff;j++)  %s%d%1d%1d-%1d%1d.png</A>, ",k1,l1,k2,l2,\
         fprintf(ficreseij,"V%d=%d ",j,nbcode[j][codtab[k][j]]);                              subdirf2(optionfilefiname,"varpijgr"), j1,k1,l1,k2,l2,\
       fprintf(ficreseij,"******\n");                              subdirf2(optionfilefiname,"varpijgr"), j1,k1,l1,k2,l2);
                       fprintf(fichtm,"\n<br><img src=\"%s%d%1d%1d-%1d%1d.png\"> ",subdirf2(optionfilefiname,"varpijgr"), j1,k1,l1,k2,l2);
       fprintf(ficresvij,"\n#****** ");                      fprintf(fichtm,"\n<br> Correlation at age %d (%.3f),",(int) age, c12);
       for(j=1;j<=cptcoveff;j++)                      fprintf(ficgp,"\nset out \"%s%d%1d%1d-%1d%1d.png\"",subdirf2(optionfilefiname,"varpijgr"), j1,k1,l1,k2,l2);
         fprintf(ficresvij,"V%d=%d ",j,nbcode[j][codtab[k][j]]);                      fprintf(ficgp,"\nset label \"%d\" at %11.3e,%11.3e center",(int) age, mu1,mu2);
       fprintf(ficresvij,"******\n");                      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",\
       eij=ma3x(1,nlstate,1,nlstate,(int) bage, (int) fage);                              mu1,std,v11,sqrt(lc1),v12,sqrt(lc2),\
       oldm=oldms;savm=savms;                              mu2,std,v21,sqrt(lc1),v22,sqrt(lc2));
       evsij(fileres, eij, p, nlstate, stepm, (int) bage, (int)fage, oldm, savm, k);                      }else{
       vareij=ma3x(1,nlstate,1,nlstate,(int) bage, (int) fage);                      first=0;
       oldm=oldms;savm=savms;                      fprintf(fichtm," %d (%.3f),",(int) age, c12);
       varevsij(fileres, vareij, matcov, p, delti, nlstate, stepm, (int) bage, (int) fage, oldm, savm, prlim, ftolpl,k);                      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(ficrest,"#Total LEs with variances: e.. (std) ");                      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",\
       for (i=1;i<=nlstate;i++) fprintf(ficrest,"e.%d (std) ",i);                              mu1,std,v11,sqrt(lc1),v12,sqrt(lc2),\
       fprintf(ficrest,"\n");                              mu2,std,v21,sqrt(lc1),v22,sqrt(lc2));
                            }/* if first */
       hf=1;                  } /* age mod 5 */
       if (stepm >= YEARM) hf=stepm/YEARM;                } /* end loop age */
       epj=vector(1,nlstate+1);                fprintf(ficgp,"\nset out \"%s%d%1d%1d-%1d%1d.png\";replot;",subdirf2(optionfilefiname,"varpijgr"), j1,k1,l1,k2,l2);
       for(age=bage; age <=fage ;age++){                first=1;
         prevalim(prlim, nlstate, p, age, oldm, savm,ftolpl,k);              } /*l12 */
         if (popbased==1) {            } /* k12 */
           for(i=1; i<=nlstate;i++)          } /*l1 */
             prlim[i][i]=probs[(int)age][i][k];        }/* k1 */
         }      } /* loop covariates */
            }
         fprintf(ficrest," %.0f",age);    free_ma3x(varpij,1,nlstate,1,nlstate+ndeath,(int) bage, (int)fage);
         for(j=1, epj[nlstate+1]=0.;j <=nlstate;j++){    free_matrix(mu,1,(nlstate+ndeath)*(nlstate+ndeath),(int) bage, (int)fage);
           for(i=1, epj[j]=0.;i <=nlstate;i++) {    free_vector(xp,1,npar);
             epj[j] += prlim[i][i]*hf*eij[i][j][(int)age];    fclose(ficresprob);
           }    fclose(ficresprobcov);
           epj[nlstate+1] +=epj[j];    fclose(ficresprobcor);
         }    /*  fclose(ficgp);*/
         for(i=1, vepp=0.;i <=nlstate;i++)  }
           for(j=1;j <=nlstate;j++)  
             vepp += vareij[i][j][(int)age];  
         fprintf(ficrest," %.2f (%.2f)", epj[nlstate+1],hf*sqrt(vepp));  /******************* Printing html file ***********/
         for(j=1;j <=nlstate;j++){  void printinghtml(char fileres[], char title[], char datafile[], int firstpass, \
           fprintf(ficrest," %.2f (%.2f)", epj[j],hf*sqrt(vareij[j][j][(int)age]));                    int lastpass, int stepm, int weightopt, char model[],\
         }                    int imx,int jmin, int jmax, double jmeanint,char rfileres[],\
         fprintf(ficrest,"\n");                    int popforecast, int estepm ,\
       }                    double jprev1, double mprev1,double anprev1, \
     }                    double jprev2, double mprev2,double anprev2){
   }    int jj1, k1, i1, cpt;
            /*char optionfilehtm[FILENAMELENGTH];*/
          /*   if((fichtm=fopen(optionfilehtm,"a"))==NULL)    { */
   /*     printf("Problem with %s \n",optionfilehtm), exit(0); */
   /*     fprintf(ficlog,"Problem with %s \n",optionfilehtm), exit(0); */
  fclose(ficreseij);  /*   } */
  fclose(ficresvij);  
   fclose(ficrest);     fprintf(fichtm,"<ul><li><h4>Result files (first order: no variance)</h4>\n \
   fclose(ficpar);   - Observed prevalence in each state (during the period defined between %.lf/%.lf/%.lf and %.lf/%.lf/%.lf): <a href=\"%s\">%s</a> <br>\n \
   free_vector(epj,1,nlstate+1);   - Estimated transition probabilities over %d (stepm) months: <a href=\"%s\">%s</a><br>\n \
   /*  scanf("%d ",i); */   - Stable prevalence in each health state: <a href=\"%s\">%s</a> <br>\n \
    - Life expectancies by age and initial health status (estepm=%2d months): \
   /*------- Variance limit prevalence------*/       <a href=\"%s\">%s</a> <br>\n</li>", \
              jprev1, mprev1,anprev1,jprev2, mprev2,anprev2,subdirf2(fileres,"p"),subdirf2(fileres,"p"),\
 strcpy(fileresvpl,"vpl");             stepm,subdirf2(fileres,"pij"),subdirf2(fileres,"pij"),\
   strcat(fileresvpl,fileres);             subdirf2(fileres,"pl"),subdirf2(fileres,"pl"),\
   if((ficresvpl=fopen(fileresvpl,"w"))==NULL) {             estepm,subdirf2(fileres,"e"),subdirf2(fileres,"e"));
     printf("Problem with variance prev lim resultfile: %s\n", fileresvpl);  
     exit(0);  fprintf(fichtm," \n<ul><li><b>Graphs</b></li><p>");
   }  
   printf("Computing Variance-covariance of Prevalence limit: file '%s' \n", fileresvpl);   m=cptcoveff;
    if (cptcovn < 1) {m=1;ncodemax[1]=1;}
  k=0;  
  for(cptcov=1;cptcov<=i1;cptcov++){   jj1=0;
    for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){   for(k1=1; k1<=m;k1++){
      k=k+1;     for(i1=1; i1<=ncodemax[k1];i1++){
      fprintf(ficresvpl,"\n#****** ");       jj1++;
      for(j=1;j<=cptcoveff;j++)       if (cptcovn > 0) {
        fprintf(ficresvpl,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);         fprintf(fichtm,"<hr  size=\"2\" color=\"#EC5E5E\">************ Results for covariates");
      fprintf(ficresvpl,"******\n");         for (cpt=1; cpt<=cptcoveff;cpt++) 
                 fprintf(fichtm," V%d=%d ",Tvaraff[cpt],nbcode[Tvaraff[cpt]][codtab[jj1][cpt]]);
      varpl=matrix(1,nlstate,(int) bage, (int) fage);         fprintf(fichtm," ************\n<hr size=\"2\" color=\"#EC5E5E\">");
      oldm=oldms;savm=savms;       }
      varprevlim(fileres, varpl, matcov, p, delti, nlstate, stepm, (int) bage, (int) fage, oldm, savm, prlim, ftolpl,k);       /* Pij */
    }       fprintf(fichtm,"<br>- Pij or Conditional probabilities to be observed in state j being in state i, %d (stepm) months before: %s%d1.png<br> \
  }  <img src=\"%s%d1.png\">",stepm,subdirf2(optionfilefiname,"pe"),jj1,subdirf2(optionfilefiname,"pe"),jj1);     
        /* Quasi-incidences */
   fclose(ficresvpl);       fprintf(fichtm,"<br>- Pij 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: %s%d2.png<br> \
   /*---------- End : free ----------------*/  <img src=\"%s%d2.png\">",stepm,subdirf2(optionfilefiname,"pe"),jj1,subdirf2(optionfilefiname,"pe"),jj1); 
   free_matrix(varpl,1,nlstate,(int) bage, (int)fage);         /* Stable prevalence in each health state */
           for(cpt=1; cpt<nlstate;cpt++){
   free_ma3x(vareij,1,nlstate,1,nlstate,(int) bage, (int)fage);           fprintf(fichtm,"<br>- Stable prevalence in each health state : p%s%d%d.png<br> \
   free_ma3x(eij,1,nlstate,1,nlstate,(int) bage, (int)fage);  <img src=\"%s%d%d.png\">",subdirf2(optionfilefiname,"p"),cpt,jj1,subdirf2(optionfilefiname,"p"),cpt,jj1);
           }
         for(cpt=1; cpt<=nlstate;cpt++) {
   free_matrix(pmmij,1,nlstate+ndeath,1,nlstate+ndeath);          fprintf(fichtm,"\n<br>- Health life expectancies by age and initial health state (%d): %s%d%d.png <br> \
   free_matrix(oldms, 1,nlstate+ndeath,1,nlstate+ndeath);  <img src=\"%s%d%d.png\">",cpt,subdirf2(optionfilefiname,"exp"),cpt,jj1,subdirf2(optionfilefiname,"exp"),cpt,jj1);
   free_matrix(newms, 1,nlstate+ndeath,1,nlstate+ndeath);       }
   free_matrix(savms, 1,nlstate+ndeath,1,nlstate+ndeath);       fprintf(fichtm,"\n<br>- Total life expectancy by age and \
    health expectancies in states (1) and (2): %s%d.png<br>\
   free_matrix(matcov,1,npar,1,npar);  <img src=\"%s%d.png\">",subdirf2(optionfilefiname,"e"),jj1,subdirf2(optionfilefiname,"e"),jj1);
   free_vector(delti,1,npar);     } /* end i1 */
     }/* End k1 */
   free_ma3x(param,1,nlstate,1, nlstate+ndeath-1,1,ncovmodel);   fprintf(fichtm,"</ul>");
   
   printf("End of Imach\n");  
   /*  gettimeofday(&end_time, (struct timezone*)0);*/  /* after time */   fprintf(fichtm,"\n<br><li><h4> Result files (second order: variances)</h4>\n\
     - Parameter file with estimated parameters and covariance matrix: <a href=\"%s\">%s</a> <br>\n\
   /* 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);*/   - Variance of one-step probabilities: <a href=\"%s\">%s</a> <br>\n\
   /*printf("Total time was %d uSec.\n", total_usecs);*/   - Variance-covariance of one-step probabilities: <a href=\"%s\">%s</a> <br>\n\
   /*------ End -----------*/   - Correlation matrix of one-step probabilities: <a href=\"%s\">%s</a> <br>\n\
    - Variances and covariances of life expectancies by age and initial health status (estepm=%d months): <a href=\"%s\">%s</a><br>\n\
    - Health expectancies with their variances (no covariance): <a href=\"%s\">%s</a> <br>\n\
  end:   - Standard deviation of stable prevalences: <a href=\"%s\">%s</a> <br>\n",\
 #ifdef windows           rfileres,rfileres,\
  chdir(pathcd);           subdirf2(fileres,"prob"),subdirf2(fileres,"prob"),\
 #endif           subdirf2(fileres,"probcov"),subdirf2(fileres,"probcov"),\
             subdirf2(fileres,"probcor"),subdirf2(fileres,"probcor"),\
  system("..\\gp37mgw\\wgnuplot graph.plt");           estepm, subdirf2(fileres,"v"),subdirf2(fileres,"v"),\
            subdirf2(fileres,"t"),subdirf2(fileres,"t"),\
 #ifdef windows           subdirf2(fileres,"vpl"),subdirf2(fileres,"vpl"));
   while (z[0] != 'q') {  
     chdir(pathcd);  /*  if(popforecast==1) fprintf(fichtm,"\n */
     printf("\nType e to edit output files, c to start again, and q for exiting: ");  /*  - Prevalences forecasting: <a href=\"f%s\">f%s</a> <br>\n */
     scanf("%s",z);  /*  - Population forecasting (if popforecast=1): <a href=\"pop%s\">pop%s</a> <br>\n */
     if (z[0] == 'c') system("./imach");  /*      <br>",fileres,fileres,fileres,fileres); */
     else if (z[0] == 'e') {  /*  else  */
       chdir(path);  /*    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); */
       system(optionfilehtm);  fprintf(fichtm," <ul><li><b>Graphs</b></li><p>");
     }  
     else if (z[0] == 'q') exit(0);   m=cptcoveff;
   }   if (cptcovn < 1) {m=1;ncodemax[1]=1;}
 #endif  
 }   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]][codtab[jj1][cpt]]);
          fprintf(fichtm," ************\n<hr size=\"2\" color=\"#EC5E5E\">");
        }
        for(cpt=1; cpt<=nlstate;cpt++) {
          fprintf(fichtm,"<br>- Observed and period prevalence (with confident\
   interval) in state (%d): %s%d%d.png <br>\
   <img src=\"%s%d%d.png\">",cpt,subdirf2(optionfilefiname,"v"),cpt,jj1,subdirf2(optionfilefiname,"v"),cpt,jj1);  
        }
      } /* end i1 */
    }/* End k1 */
    fprintf(fichtm,"</ul>");
    fflush(fichtm);
   }
   
   /******************* Gnuplot file **************/
   void printinggnuplot(char fileres[], char optionfilefiname[], double ageminpar, double agemaxpar, double fage , char pathc[], double p[]){
   
     char dirfileres[132],optfileres[132];
     int m,cpt,k1,i,k,j,jk,k2,k3,ij,l;
     int ng;
   /*   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);
   
     strcpy(dirfileres,optionfilefiname);
     strcpy(optfileres,"vpl");
    /* 1eme*/
     for (cpt=1; cpt<= nlstate ; cpt ++) {
      for (k1=1; k1<= m ; k1 ++) {
        fprintf(ficgp,"\nset out \"%s%d%d.png\" \n",subdirf2(optionfilefiname,"v"),cpt,k1);
        fprintf(ficgp,"\n#set out \"v%s%d%d.png\" \n",optionfilefiname,cpt,k1);
        fprintf(ficgp,"set xlabel \"Age\" \n\
   set ylabel \"Probability\" \n\
   set ter png small\n\
   set size 0.65,0.65\n\
   plot [%.f:%.f] \"%s\" every :::%d::%d u 1:2 \"\%%lf",ageminpar,fage,subdirf2(fileres,"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\"Stable prevalence\" w l 0,\"%s\" every :::%d::%d u 1:($2+1.96*$3) \"\%%lf",subdirf2(fileres,"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 1,\"%s\" every :::%d::%d u 1:($2-1.96*$3) \"\%%lf",subdirf2(fileres,"vpl"),k1-1,k1-1); 
        for (i=1; i<= nlstate ; i ++) {
          if (i==cpt) fprintf(ficgp," \%%lf (\%%lf)");
          else fprintf(ficgp," \%%*lf (\%%*lf)");
        }  
        fprintf(ficgp,"\" t\"\" w l 1,\"%s\" every :::%d::%d u 1:($%d) t\"Observed prevalence \" w l 2",subdirf2(fileres,"p"),k1-1,k1-1,2+4*(cpt-1));
      }
     }
     /*2 eme*/
     
     for (k1=1; k1<= m ; k1 ++) { 
       fprintf(ficgp,"\nset out \"%s%d.png\" \n",subdirf2(optionfilefiname,"e"),k1);
       fprintf(ficgp,"set ylabel \"Years\" \nset ter png small\nset size 0.65,0.65\nplot [%.f:%.f] ",ageminpar,fage);
       
       for (i=1; i<= nlstate+1 ; i ++) {
         k=2*i;
         fprintf(ficgp,"\"%s\" every :::%d::%d u 1:2 \"\%%lf",subdirf2(fileres,"t"),k1-1,k1-1);
         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 ,");
         else fprintf(ficgp,"\" t\"LE in state (%d)\" w l ,",i-1);
         fprintf(ficgp,"\"%s\" every :::%d::%d u 1:($2-$3*2) \"\%%lf",subdirf2(fileres,"t"),k1-1,k1-1);
         for (j=1; j<= nlstate+1 ; j ++) {
           if (j==i) fprintf(ficgp," \%%lf (\%%lf)");
           else fprintf(ficgp," \%%*lf (\%%*lf)");
         }   
         fprintf(ficgp,"\" t\"\" w l 0,");
         fprintf(ficgp,"\"%s\" every :::%d::%d u 1:($2+$3*2) \"\%%lf",subdirf2(fileres,"t"),k1-1,k1-1);
         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 0");
         else fprintf(ficgp,"\" t\"\" w l 0,");
       }
     }
     
     /*3eme*/
     
     for (k1=1; k1<= m ; k1 ++) { 
       for (cpt=1; cpt<= nlstate ; cpt ++) {
         k=2+nlstate*(2*cpt-2);
         fprintf(ficgp,"\nset out \"%s%d%d.png\" \n",subdirf2(optionfilefiname,"exp"),cpt,k1);
         fprintf(ficgp,"set ter png small\n\
   set size 0.65,0.65\n\
   plot [%.f:%.f] \"%s\" every :::%d::%d u 1:%d t \"e%d1\" w l",ageminpar,fage,subdirf2(fileres,"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(fileres,"e"),k1-1,k1-1,k+2*i,cpt,i+1);
           
         } 
       }
     }
     
     /* CV preval stable (period) */
     for (k1=1; k1<= m ; k1 ++) { 
       for (cpt=1; cpt<=nlstate ; cpt ++) {
         k=3;
         fprintf(ficgp,"\nset out \"%s%d%d.png\" \n",subdirf2(optionfilefiname,"p"),cpt,k1);
         fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability\" \n\
   set ter png small\nset size 0.65,0.65\n\
   unset log y\n\
   plot [%.f:%.f] \"%s\" u ($1==%d ? ($3):1/0):($%d/($%d",ageminpar,agemaxpar,subdirf2(fileres,"pij"),k1,k+cpt+1,k+1);
         
         for (i=1; i< nlstate ; i ++)
           fprintf(ficgp,"+$%d",k+i+1);
         fprintf(ficgp,")) t\"prev(%d,%d)\" w l",cpt,cpt+1);
         
         l=3+(nlstate+ndeath)*cpt;
         fprintf(ficgp,",\"%s\" u ($1==%d ? ($3):1/0):($%d/($%d",subdirf2(fileres,"pij"),k1,l+cpt+1,l+1);
         for (i=1; i< nlstate ; i ++) {
           l=3+(nlstate+ndeath)*cpt;
           fprintf(ficgp,"+$%d",l+i+1);
         }
         fprintf(ficgp,")) t\"prev(%d,%d)\" w l\n",cpt+1,cpt+1);   
       } 
     }  
     
     /* proba elementaires */
     for(i=1,jk=1; i <=nlstate; i++){
       for(k=1; k <=(nlstate+ndeath); k++){
         if (k != i) {
           for(j=1; j <=ncovmodel; j++){
             fprintf(ficgp,"p%d=%f ",jk,p[jk]);
             jk++; 
             fprintf(ficgp,"\n");
           }
         }
       }
      }
   
      for(ng=1; ng<=2;ng++){ /* Number of graphics: first is probabilities second is incidence per year*/
        for(jk=1; jk <=m; jk++) {
          fprintf(ficgp,"\nset out \"%s%d%d.png\" \n",subdirf2(optionfilefiname,"pe"),jk,ng); 
          if (ng==2)
            fprintf(ficgp,"\nset ylabel \"Quasi-incidence per year\"\n");
          else
            fprintf(ficgp,"\nset title \"Probability\"\n");
          fprintf(ficgp,"\nset ter png small\nset size 0.65,0.65\nset log y\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){
                if(ng==2)
                  fprintf(ficgp," %f*exp(p%d+p%d*x",YEARM/stepm,i,i+1);
                else
                  fprintf(ficgp," exp(p%d+p%d*x",i,i+1);
                ij=1;
                for(j=3; j <=ncovmodel; j++) {
                  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++;
                  }
                  else
                    fprintf(ficgp,"+p%d*%d",i+j-1,nbcode[Tvar[j-2]][codtab[jk][j-2]]);
                }
                fprintf(ficgp,")/(1");
                
                for(k1=1; k1 <=nlstate; k1++){   
                  fprintf(ficgp,"+exp(p%d+p%d*x",k3+(k1-1)*ncovmodel,k3+(k1-1)*ncovmodel+1);
                  ij=1;
                  for(j=3; j <=ncovmodel; j++){
                    if(((j-2)==Tage[ij]) &&(ij <=cptcovage)) {
                      fprintf(ficgp,"+p%d*%d*x",k3+(k1-1)*ncovmodel+1+j-2,nbcode[Tvar[j-2]][codtab[jk][Tvar[j-2]]]);
                      ij++;
                    }
                    else
                      fprintf(ficgp,"+p%d*%d",k3+(k1-1)*ncovmodel+1+j-2,nbcode[Tvar[j-2]][codtab[jk][j-2]]);
                  }
                  fprintf(ficgp,")");
                }
                fprintf(ficgp,") t \"p%d%d\" ", k2,k);
                if ((k+k2)!= (nlstate*2+ndeath)) fprintf(ficgp,",");
                i=i+ncovmodel;
              }
            } /* end k */
          } /* end k2 */
        } /* end jk */
      } /* end ng */
      fflush(ficgp); 
   }  /* end gnuplot */
   
   
   /*************** Moving average **************/
   int movingaverage(double ***probs, double bage,double fage, double ***mobaverage, int mobilav){
   
     int i, cpt, cptcod;
     int modcovmax =1;
     int mobilavrange, mob;
     double age;
   
     modcovmax=2*cptcoveff;/* Max number of modalities. We suppose 
                              a covariate has 2 modalities */
     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;
     return 0;
   }/* End movingaverage */
   
   
   /************** Forecasting ******************/
   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, c, cptcod, i, h, i1;
     int *popage;
     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;
     prevalence(probs, ageminpar, agemax, s, agev, nlstate, imx, Tvar, nbcode, ncodemax, mint, anint, dateprev1, dateprev2, firstpass, lastpass);
    
     strcpy(fileresf,"f"); 
     strcat(fileresf,fileres);
     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' \n", fileresf);
     fprintf(ficlog,"Computing forecasting: result on file '%s' \n", fileresf);
   
     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(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#******");
         for(j=1;j<=cptcoveff;j++) {
           fprintf(ficresf," V%d=%d, hpijx=probability over h years, hp.jx is weighted by observed prev ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);
         }
         fprintf(ficresf,"******\n");
         fprintf(ficresf,"# Covariate valuofcovar 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]][codtab[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 */
          
     if (mobilav!=0) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX);
   
     fclose(ficresf);
   }
   
   /************** Forecasting *****not tested NB*************/
   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,fileres);
     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]][codtab[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);
   }
   void prwizard(int ncovmodel, int nlstate, int ndeath,  char model[], FILE *ficparo)
   {
   
     char ca[32], cb[32], cc[32];
     int i,j, k, l, 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 of prwizard */
   
   /***********************************************/
   /**************** Main Program *****************/
   /***********************************************/
   
   int main(int argc, char *argv[])
   {
     int movingaverage(double ***probs, double bage,double fage, double ***mobaverage, int mobilav);
     int i,j, k, n=MAXN,iter,m,size=100,cptcode, cptcod;
     int jj, imk;
     int numlinepar=0; /* Current linenumber of parameter file */
     /*  FILE *fichtm; *//* Html File */
     /* FILE *ficgp;*/ /*Gnuplot File */
     double agedeb, agefin,hf;
     double ageminpar=1.e20,agemin=1.e20, agemaxpar=-1.e20, agemax=-1.e20;
   
     double fret;
     double **xi,tmp,delta;
   
     double dum; /* Dummy variable */
     double ***p3mat;
     double ***mobaverage;
     int *indx;
     char line[MAXLINE], linepar[MAXLINE];
     char path[MAXLINE],pathc[MAXLINE],pathcd[MAXLINE],pathtot[MAXLINE],model[MAXLINE];
     char pathr[MAXLINE]; 
     int firstobs=1, lastobs=10;
     int sdeb, sfin; /* Status at beginning and end */
     int c,  h , cpt,l;
     int ju,jl, mi;
     int i1,j1, k1,k2,k3,jk,aa,bb, stepsize, ij;
     int jnais,jdc,jint4,jint1,jint2,jint3,**outcome,*tab; 
     int mobilavproj=0 , prevfcast=0 ; /* moving average of prev, If prevfcast=1 prevalence projection */
     int mobilav=0,popforecast=0;
     int hstepm, nhstepm;
     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, fage, age, agelim, agebase;
     double ftolpl=FTOL;
     double **prlim;
     double *severity;
     double ***param; /* Matrix of parameters */
     double  *p;
     double **matcov; /* Matrix of covariance */
     double ***delti3; /* Scale */
     double *delti; /* Scale */
     double ***eij, ***vareij;
     double **varpl; /* Variances of prevalence limits by age */
     double *epj, vepp;
     double kk1, kk2;
     double dateprev1, dateprev2,jproj1=1,mproj1=1,anproj1=2000,jproj2=1,mproj2=1,anproj2=2000;
   
     char *alph[]={"a","a","b","c","d","e"}, str[4];
   
   
     char z[1]="c", occ;
   
     char stra[80], strb[80], strc[80], strd[80],stre[80],modelsav[80];
     char strstart[80], *strt, strtend[80];
     char *stratrunc;
     int lstra;
   
     long total_usecs;
     struct timeval start_time, end_time, curr_time;
     struct timezone tzp;
     extern int gettimeofday();
     struct tm tmg, tm, *gmtime(), *localtime();
     long time_value;
     extern long time();
    
     /*   gettimeofday(&start_time, (struct timezone*)0); */ /* at first time */
     (void) gettimeofday(&start_time,&tzp);
     tm = *localtime(&start_time.tv_sec);
     tmg = *gmtime(&start_time.tv_sec);
     strcpy(strstart,asctime(&tm));
   
   /*  printf("Localtime (at start)=%s",strstart); */
   /*  tp.tv_sec = tp.tv_sec +86400; */
   /*  tm = *localtime(&start_time.tv_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.tv_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); 
   */
   
     getcwd(pathcd, size);
   
     printf("\n%s\n%s",version,fullversion);
     if(argc <=1){
       printf("\nEnter the parameter file name: ");
       scanf("%s",pathtot);
     }
     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(pathtot,path,optionfile,optionfilext,optionfilefiname);
     printf("pathtot=%s,\npath=%s,\noptionfile=%s \noptionfilext=%s \noptionfilefiname=%s\n",pathtot,path,optionfile,optionfilext,optionfilefiname);
     chdir(path);
     strcpy(command,"mkdir ");
     strcat(command,optionfilefiname);
     if((outcmd=system(command)) != 0){
       printf("Problem creating directory or it already exists %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 --------*/
   
     /* 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,"\n%s\n%s",version,fullversion);
     fprintf(ficlog,"\nEnter the parameter file name: ");
     fprintf(ficlog,"pathtot=%s\n\
    path=%s \n\
    optionfile=%s\n\
    optionfilext=%s\n\
    optionfilefiname=%s\n",pathtot,path,optionfile,optionfilext,optionfilefiname);
   
     printf("Localtime (at start):%s",strstart);
     fprintf(ficlog,"Localtime (at start): %s",strstart);
     fflush(ficlog);
   
     /* */
     strcpy(fileres,"r");
     strcat(fileres, optionfilefiname);
     strcat(fileres,".txt");    /* Other files have txt extension */
   
     /*---------arguments file --------*/
   
     if((ficpar=fopen(optionfile,"r"))==NULL)    {
       printf("Problem with optionfile %s\n",optionfile);
       fprintf(ficlog,"Problem with optionfile %s\n",optionfile);
       fflush(ficlog);
       goto end;
     }
   
   
   
     strcpy(filereso,"o");
     strcat(filereso,fileres);
     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;
     while((c=getc(ficpar))=='#' && c!= EOF){
       ungetc(c,ficpar);
       fgets(line, MAXLINE, ficpar);
       numlinepar++;
       puts(line);
       fputs(line,ficparo);
       fputs(line,ficlog);
     }
     ungetc(c,ficpar);
   
     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=%s\n",title, datafile, &lastobs, &firstpass,&lastpass,&ftol, &stepm, &ncovcol, &nlstate,&ndeath, &maxwav, &mle, &weightopt,model);
     numlinepar++;
     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=%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=%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=%s\n", title, datafile, lastobs, firstpass,lastpass,ftol,stepm,ncovcol,nlstate,ndeath,maxwav, mle, weightopt,model);
     fflush(ficlog);
     while((c=getc(ficpar))=='#' && c!= EOF){
       ungetc(c,ficpar);
       fgets(line, MAXLINE, ficpar);
       numlinepar++;
       puts(line);
       fputs(line,ficparo);
       fputs(line,ficlog);
     }
     ungetc(c,ficpar);
   
      
     covar=matrix(0,NCOVMAX,1,n); 
     cptcovn=0; /*Number of covariates, i.e. number of '+' in model statement*/
     if (strlen(model)>1) cptcovn=nbocc(model,'+')+1;
   
     ncovmodel=2+cptcovn; /*Number of variables = cptcovn + intercept + age */
     nvar=ncovmodel-1; /* Suppressing age as a basic covariate */
    
     if(mle==-1){ /* Print a wizard for help writing covariance matrix */
       prwizard(ncovmodel, nlstate, ndeath, model, ficparo);
       printf(" You choose mle=-1, look at file %s for a template of covariance matrix \n",filereso);
       fprintf(ficlog," You choose mle=-1, look at file %s for a template of covariance matrix \n",filereso);
       fclose (ficparo);
       fclose (ficlog);
       exit(0);
     }
     /* Read guess parameters */
     /* Reads comments: lines beginning with '#' */
     while((c=getc(ficpar))=='#' && c!= EOF){
       ungetc(c,ficpar);
       fgets(line, MAXLINE, ficpar);
       numlinepar++;
       puts(line);
       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 != j)){
           printf("Error in line parameters number %d, %1d%1d instead of %1d%1d \n",numlinepar, i,j, i1, j1);
           exit(1);
         }
         fprintf(ficparo,"%1d%1d",i1,j1);
         if(mle==1)
           printf("%1d%1d",i,j);
         fprintf(ficlog,"%1d%1d",i,j);
         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);
   
     npar= (nlstate+ndeath-1)*nlstate*ncovmodel; /* Number of parameters*/
   
     p=param[1][1];
     
     /* Reads comments: lines beginning with '#' */
     while((c=getc(ficpar))=='#' && c!= EOF){
       ungetc(c,ficpar);
       fgets(line, MAXLINE, ficpar);
       numlinepar++;
       puts(line);
       fputs(line,ficparo);
       fputs(line,ficlog);
     }
     ungetc(c,ficpar);
   
     delti3= ma3x(1,nlstate,1,nlstate+ndeath-1,1,ncovmodel);
     /* delti=vector(1,npar); *//* Scale of each paramater (output from hesscov) */
     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);
   
     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++;
       puts(line);
       fputs(line,ficparo);
       fputs(line,ficlog);
     }
     ungetc(c,ficpar);
     
     matcov=matrix(1,npar,1,npar);
     for(i=1; i <=npar; i++){
       fscanf(ficpar,"%s",&str);
       if(mle==1)
         printf("%s",str);
       fprintf(ficlog,"%s",str);
       fprintf(ficparo,"%s",str);
       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");
     }
     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 paramater 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", fileres);goto end;
       fprintf(ficlog,"Problem writing new parameter file: %s\n", fileres);goto end;
     }
     fprintf(ficres,"#%s\n",version);
       
     /*-------- data file ----------*/
     if((fic=fopen(datafile,"r"))==NULL)    {
       printf("Problem with datafile: %s\n", datafile);goto end;
       fprintf(ficlog,"Problem with datafile: %s\n", datafile);goto end;
     }
   
     n= lastobs;
     severity = vector(1,maxwav);
     outcome=imatrix(1,maxwav+1,1,n);
     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);
     tab=ivector(1,NCOVMAX);
     ncodemax=ivector(1,8);
   
     i=1;
     while (fgets(line, MAXLINE, fic) != NULL)    {
       if ((i >= firstobs) && (i <=lastobs)) {
           
         for (j=maxwav;j>=1;j--){
           cutv(stra, strb,line,' '); s[j][i]=atoi(strb); 
           strcpy(line,stra);
           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);
         }
           
         cutv(stra, strb,line,'/'); andc[i]=(double)(atoi(strb)); strcpy(line,stra);
         cutv(stra, strb,line,' '); moisdc[i]=(double)(atoi(strb)); strcpy(line,stra);
   
         cutv(stra, strb,line,'/'); annais[i]=(double)(atoi(strb)); strcpy(line,stra);
         cutv(stra, strb,line,' '); moisnais[i]=(double)(atoi(strb)); strcpy(line,stra);
   
         cutv(stra, strb,line,' '); weight[i]=(double)(atoi(strb)); strcpy(line,stra);
         for (j=ncovcol;j>=1;j--){
           cutv(stra, strb,line,' '); covar[j][i]=(double)(atoi(strb)); 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;
       }
     }
     /* printf("ii=%d", ij);
        scanf("%d",i);*/
     imx=i-1; /* Number of individuals */
   
     /* for (i=1; i<=imx; i++){
       if ((s[1][i]==3) && (s[2][i]==2)) s[2][i]=3;
       if ((s[2][i]==3) && (s[3][i]==2)) s[3][i]=3;
       if ((s[3][i]==3) && (s[4][i]==2)) s[4][i]=3;
       }*/
      /*  for (i=1; i<=imx; i++){
        if (s[4][i]==9)  s[4][i]=-1; 
        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]));}*/
     
    for (i=1; i<=imx; i++)
    
      /*if ((s[3][i]==3) ||  (s[4][i]==3)) weight[i]=0.08;
        else weight[i]=1;*/
   
     /* Calculation of the number of parameter from char model*/
     Tvar=ivector(1,15); /* stores the number n of the covariates in Vm+Vn at 1 and m at 2 */
     Tprod=ivector(1,15); 
     Tvaraff=ivector(1,15); 
     Tvard=imatrix(1,15,1,2);
     Tage=ivector(1,15);      
      
     if (strlen(model) >1){ /* If there is at least 1 covariate */
       j=0, j1=0, k1=1, k2=1;
       j=nbocc(model,'+'); /* j=Number of '+' */
       j1=nbocc(model,'*'); /* j1=Number of '*' */
       cptcovn=j+1; 
       cptcovprod=j1; /*Number of products */
       
       strcpy(modelsav,model); 
       if ((strcmp(model,"age")==0) || (strcmp(model,"age*age")==0)){
         printf("Error. Non available option model=%s ",model);
         fprintf(ficlog,"Error. Non available option model=%s ",model);
         goto end;
       }
       
       /* This loop fills the array Tvar from the string 'model'.*/
   
       for(i=(j+1); i>=1;i--){
         cutv(stra,strb,modelsav,'+'); /* keeps in strb after the last + */ 
         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 */
           cutv(strd,strc,strb,'*'); /* strd*strc  Vm*Vn (if not *age)*/
           if (strcmp(strc,"age")==0) { /* Vn*age */
             cptcovprod--;
             cutv(strb,stre,strd,'V');
             Tvar[i]=atoi(stre); /* computes n in Vn and stores in Tvar*/
             cptcovage++;
               Tage[cptcovage]=i;
               /*printf("stre=%s ", stre);*/
           }
           else if (strcmp(strd,"age")==0) { /* or age*Vn */
             cptcovprod--;
             cutv(strb,stre,strc,'V');
             Tvar[i]=atoi(stre);
             cptcovage++;
             Tage[cptcovage]=i;
           }
           else {  /* Age is not in the model */
             cutv(strb,stre,strc,'V'); /* strc= Vn, stre is n*/
             Tvar[i]=ncovcol+k1;
             cutv(strb,strc,strd,'V'); /* strd was Vm, strc is m */
             Tprod[k1]=i;
             Tvard[k1][1]=atoi(strc); /* m*/
             Tvard[k1][2]=atoi(stre); /* n */
             Tvar[cptcovn+k2]=Tvard[k1][1];
             Tvar[cptcovn+k2+1]=Tvard[k1][2]; 
             for (k=1; k<=lastobs;k++) 
               covar[ncovcol+k1][k]=covar[atoi(stre)][k]*covar[atoi(strc)][k];
             k1++;
             k2=k2+2;
           }
         }
         else { /* no more sum */
           /*printf("d=%s c=%s b=%s\n", strd,strc,strb);*/
          /*  scanf("%d",i);*/
         cutv(strd,strc,strb,'V');
         Tvar[i]=atoi(strc);
         }
         strcpy(modelsav,stra);  
         /*printf("a=%s b=%s sav=%s\n", stra,strb,modelsav);
           scanf("%d",i);*/
       } /* end of loop + */
     } /* end model */
     
     /*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);
     fclose(fic);*/
   
       /*  if(mle==1){*/
     if (weightopt != 1) { /* Maximisation without weights*/
       for(i=1;i<=n;i++) weight[i]=1.0;
     }
       /*-calculation of age at interview from date of interview and age at death -*/
     agev=matrix(1,maxwav,1,imx);
   
     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;
           s[m][i]=-1;
         }
         if((int)moisdc[i]==99 && (int)andc[i]==9999 && s[m][i]>nlstate){
           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 are biased\n",(int)moisdc[i],(int)andc[i],num[i],i);
           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 are biased\n",(int)moisdc[i],(int)andc[i],num[i],i);
           s[m][i]=-1;
         }
         if((int)moisdc[i]==99 && (int)andc[i]!=9999 && s[m][i]>nlstate){
           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){
           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){
                   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;
                 }
               }
           }
           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(" anint[%d][%d]=%.0f annais[%d]=%.0f, agemax=%.0f\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;*/
           }
           else { /* =9 */
             agev[m][i]=1;
             s[m][i]=-1;
           }
         }
         else /*= 0 Unknown */
           agev[m][i]=1;
       }
       
     }
     for (i=1; i<=imx; i++)  {
       for(m=firstpass; (m<=lastpass); m++){
         if (s[m][i] > (nlstate+ndeath)) {
           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);     
           goto end;
         }
       }
     }
   
     /*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); 
   
     free_vector(severity,1,maxwav);
     free_imatrix(outcome,1,maxwav+1,1,n);
     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);
      
     /* Concatenates waves */
     concatwav(wav, dh, bh, mw, s, agedc, agev,  firstpass, lastpass, imx, nlstate, stepm);
   
     /* Routine tricode is to calculate cptcoveff (real number of unique covariates) and to associate covariable number and modality */
   
     Tcode=ivector(1,100);
     nbcode=imatrix(0,NCOVMAX,0,NCOVMAX); 
     ncodemax[1]=1;
     if (cptcovn > 0) tricode(Tvar,nbcode,imx);
         
     codtab=imatrix(1,100,1,10); /* Cross tabulation to get the order of 
                                    the estimations*/
     h=0;
     m=pow(2,cptcoveff);
    
     for(k=1;k<=cptcoveff; k++){
       for(i=1; i <=(m/pow(2,k));i++){
         for(j=1; j <= ncodemax[k]; j++){
           for(cpt=1; cpt <=(m/pow(2,cptcoveff+1-k)); cpt++){
             h++;
             if (h>m) h=1;codtab[h][k]=j;codtab[h][Tvar[k]]=j;
             /*  printf("h=%d k=%d j=%d codtab[h][k]=%d tvar[k]=%d \n",h, k,j,codtab[h][k],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);*/
       
     /*------------ gnuplot -------------*/
     strcpy(optionfilegnuplot,optionfilefiname);
     strcat(optionfilegnuplot,".gp");
     if((ficgp=fopen(optionfilegnuplot,"w"))==NULL) {
       printf("Problem with file %s",optionfilegnuplot);
     }
     else{
       fprintf(ficgp,"\n# %s\n", version); 
       fprintf(ficgp,"# %s\n", optionfilegnuplot); 
       fprintf(ficgp,"set missing 'NaNq'\n");
     }
     /*  fclose(ficgp);*/
     /*--------- index.htm --------*/
   
     strcpy(optionfilehtm,optionfilefiname);
     strcat(optionfilehtm,".htm");
     if((fichtm=fopen(optionfilehtm,"w"))==NULL)    {
       printf("Problem with %s \n",optionfilehtm), exit(0);
     }
   
     fprintf(fichtm,"<body>\n<title>IMaCh %s</title>\n <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=%s<br>\n\
   \n\
   <hr  size=\"2\" color=\"#EC5E5E\">\
    <ul><li><h4>Parameter files</h4>\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",\
             fileres,version,fullversion,title,datafile,firstpass,lastpass,stepm, weightopt,\
             model,fileres,fileres,\
             filelog,filelog,optionfilegnuplot,optionfilegnuplot,strstart);
     /*fclose(fichtm);*/
     fflush(fichtm);
   
     strcpy(pathr,path);
     strcat(pathr,optionfilefiname);
     chdir(optionfilefiname); /* Move to directory named optionfile */
     strcpy(lfileres,fileres);
     strcat(lfileres,"/");
     strcat(lfileres,optionfilefiname);
     
     /* 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);
   
     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*/
     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");
     globpr=1; /* to print the contributions */
     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");
     if(mle>=1){ /* Could be 1 or 2 */
       mlikeli(ficres,p, npar, ncovmodel, nlstate, ftol, func);
     }
       
     /*--------- 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=%s\n", title, datafile, lastobs, firstpass,lastpass,ftol, stepm, ncovcol, nlstate, ndeath, maxwav, weightopt,model);
     
   
     jk=1;
     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("%f ",p[jk]);
               fprintf(ficlog,"%f ",p[jk]);
               fprintf(ficres,"%f ",p[jk]);
               jk++; 
             }
             printf("\n");
             fprintf(ficlog,"\n");
             fprintf(ficres,"\n");
           }
       }
     }
     if(mle!=0){
       /* Computing hessian and covariance matrix */
       ftolhess=ftol; /* Usually correct */
       hesscov(matcov, p, npar, delti, ftolhess, func);
     }
     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)
       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");
     for(i=1,k=1;i<=npar;i++){
       /*  if (k>nlstate) k=1;
           i1=(i-1)/(ncovmodel*nlstate)+1; 
           fprintf(ficres,"%s%d%d",alph[k],i1,tab[i]);
           printf("%s%d%d",alph[k],i1,tab[i]);
       */
       fprintf(ficres,"%3d",i);
       if(mle==1)
         printf("%3d",i);
       fprintf(ficlog,"%3d",i);
       for(j=1; j<=i;j++){
         fprintf(ficres," %.5e",matcov[i][j]);
         if(mle==1)
           printf(" %.5e",matcov[i][j]);
         fprintf(ficlog," %.5e",matcov[i][j]);
       }
       fprintf(ficres,"\n");
       if(mle==1)
         printf("\n");
       fprintf(ficlog,"\n");
       k++;
     }
      
     while((c=getc(ficpar))=='#' && c!= EOF){
       ungetc(c,ficpar);
       fgets(line, MAXLINE, ficpar);
       puts(line);
       fputs(line,ficparo);
     }
     ungetc(c,ficpar);
   
     estepm=0;
     fscanf(ficpar,"agemin=%lf agemax=%lf bage=%lf fage=%lf estepm=%d\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\n",ageminpar,agemaxpar,bage,fage, estepm);
     fprintf(ficparo,"agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f estepm=%d\n",ageminpar,agemaxpar,bage,fage, estepm);
      
     while((c=getc(ficpar))=='#' && c!= EOF){
       ungetc(c,ficpar);
       fgets(line, MAXLINE, ficpar);
       puts(line);
       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);
       puts(line);
       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(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);
       puts(line);
       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);
       puts(line);
       fputs(line,ficparo);
     }
     ungetc(c,ficpar);
   
     fscanf(ficpar,"popforecast=%d popfile=%s popfiledate=%lf/%lf/%lf last-popfiledate=%lf/%lf/%lf\n",&popforecast,popfile,&jpyram,&mpyram,&anpyram,&jpyram1,&mpyram1,&anpyram1);
     fprintf(ficparo,"popforecast=%d popfile=%s popfiledate=%.lf/%.lf/%.lf last-popfiledate=%.lf/%.lf/%.lf\n",popforecast,popfile,jpyram,mpyram,anpyram,jpyram1,mpyram1,anpyram1);
     fprintf(ficres,"popforecast=%d popfile=%s popfiledate=%.lf/%.lf/%.lf last-popfiledate=%.lf/%.lf/%.lf\n",popforecast,popfile,jpyram,mpyram,anpyram,jpyram1,mpyram1,anpyram1);
   
     /*  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,path); /* Even gnuplot wants a / */
     printinggnuplot(fileres, optionfilefiname,ageminpar,agemaxpar,fage, pathc,p);
   
     printinghtml(fileres,title,datafile, firstpass, lastpass, stepm, weightopt,\
                  model,imx,jmin,jmax,jmean,rfileres,popforecast,estepm,\
                  jprev1,mprev1,anprev1,jprev2,mprev2,anprev2);
    
     /*------------ free_vector  -------------*/
     /*  chdir(path); */
    
     free_ivector(wav,1,imx);
     free_imatrix(dh,1,lastpass-firstpass+1,1,imx);
     free_imatrix(bh,1,lastpass-firstpass+1,1,imx);
     free_imatrix(mw,1,lastpass-firstpass+1,1,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);
   
   
     /*--------------- Prevalence limit  (stable prevalence) --------------*/
     
     strcpy(filerespl,"pl");
     strcat(filerespl,fileres);
     if((ficrespl=fopen(filerespl,"w"))==NULL) {
       printf("Problem with stable prevalence resultfile: %s\n", filerespl);goto end;
       fprintf(ficlog,"Problem with stable prevalence resultfile: %s\n", filerespl);goto end;
     }
     printf("Computing stable prevalence: result on file '%s' \n", filerespl);
     fprintf(ficlog,"Computing stable prevalence: result on file '%s' \n", filerespl);
     fprintf(ficrespl,"#Stable prevalence \n");
     fprintf(ficrespl,"#Age ");
     for(i=1; i<=nlstate;i++) fprintf(ficrespl,"%d-%d ",i,i);
     fprintf(ficrespl,"\n");
     
     prlim=matrix(1,nlstate,1,nlstate);
   
     agebase=ageminpar;
     agelim=agemaxpar;
     ftolpl=1.e-10;
     i1=cptcoveff;
     if (cptcovn < 1){i1=1;}
   
     for(cptcov=1,k=0;cptcov<=i1;cptcov++){
       for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){
         k=k+1;
         /*printf("cptcov=%d cptcod=%d codtab=%d nbcode=%d\n",cptcov, cptcod,Tcode[cptcode],codtab[cptcod][cptcov]);*/
         fprintf(ficrespl,"\n#******");
         printf("\n#******");
         fprintf(ficlog,"\n#******");
         for(j=1;j<=cptcoveff;j++) {
           fprintf(ficrespl," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);
           printf(" V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);
           fprintf(ficlog," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);
         }
         fprintf(ficrespl,"******\n");
         printf("******\n");
         fprintf(ficlog,"******\n");
           
         for (age=agebase; age<=agelim; age++){
           prevalim(prlim, nlstate, p, age, oldm, savm,ftolpl,k);
           fprintf(ficrespl,"%.0f ",age );
           for(j=1;j<=cptcoveff;j++)
             fprintf(ficrespl,"%d %d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);
           for(i=1; i<=nlstate;i++)
             fprintf(ficrespl," %.5f", prlim[i][i]);
           fprintf(ficrespl,"\n");
         }
       }
     }
     fclose(ficrespl);
   
     /*------------- h Pij x at various ages ------------*/
     
     strcpy(filerespij,"pij");  strcat(filerespij,fileres);
     if((ficrespij=fopen(filerespij,"w"))==NULL) {
       printf("Problem with Pij resultfile: %s\n", filerespij);goto end;
       fprintf(ficlog,"Problem with Pij resultfile: %s\n", filerespij);goto end;
     }
     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*/
   
     fprintf(ficrespij,"#****** h Pij x Probability to be in state j at age x+h being in i at x ");
     for(cptcov=1,k=0;cptcov<=i1;cptcov++){
       for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){
         k=k+1;
         fprintf(ficrespij,"\n#****** ");
         for(j=1;j<=cptcoveff;j++) 
           fprintf(ficrespij,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[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++){
             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");
         }
       }
     }
   
     varprob(optionfilefiname, matcov, p, delti, nlstate, bage, fage,k,Tvar,nbcode, ncodemax);
   
     fclose(ficrespij);
   
     probs= ma3x(1,AGESUP,1,NCOVMAX, 1,NCOVMAX);
   
     /*---------- Forecasting ------------------*/
     /*if((stepm == 1) && (strcmp(model,".")==0)){*/
     if(prevfcast==1){
       /*    if(stepm ==1){*/
         prevforecast(fileres, anproj1, mproj1, jproj1, agemin, agemax, dateprev1, dateprev2, mobilavproj, bage, fage, firstpass, lastpass, anproj2, p, cptcoveff);
         /* (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); */
   /*      } */
     }
     
   
     /*---------- Health expectancies and variances ------------*/
   
     strcpy(filerest,"t");
     strcat(filerest,fileres);
     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 LEs with variances: file '%s' \n", filerest); 
     fprintf(ficlog,"Computing Total LEs with variances: file '%s' \n", filerest); 
   
   
     strcpy(filerese,"e");
     strcat(filerese,fileres);
     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' \n", filerese);
     fprintf(ficlog,"Computing Health Expectancies: result on file '%s' \n", filerese);
   
     strcpy(fileresv,"v");
     strcat(fileresv,fileres);
     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' \n", fileresv);
     fprintf(ficlog,"Computing Variance-covariance of DFLEs: file '%s' \n", fileresv);
   
     /* 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);
     */
   
     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);
       }
     }
   
     for(cptcov=1,k=0;cptcov<=i1;cptcov++){
       for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){
         k=k+1; 
         fprintf(ficrest,"\n#****** ");
         for(j=1;j<=cptcoveff;j++) 
           fprintf(ficrest,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);
         fprintf(ficrest,"******\n");
   
         fprintf(ficreseij,"\n#****** ");
         for(j=1;j<=cptcoveff;j++) 
           fprintf(ficreseij,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);
         fprintf(ficreseij,"******\n");
   
         fprintf(ficresvij,"\n#****** ");
         for(j=1;j<=cptcoveff;j++) 
           fprintf(ficresvij,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);
         fprintf(ficresvij,"******\n");
   
         eij=ma3x(1,nlstate,1,nlstate,(int) bage, (int) fage);
         oldm=oldms;savm=savms;
         evsij(fileres, eij, p, nlstate, stepm, (int) bage, (int)fage, oldm, savm, k, estepm, delti, matcov);  
    
         vareij=ma3x(1,nlstate,1,nlstate,(int) bage, (int) fage);
         oldm=oldms;savm=savms;
         varevsij(optionfilefiname, vareij, matcov, p, delti, nlstate, stepm, (int) bage, (int) fage, oldm, savm, prlim, ftolpl,k, estepm, cptcov,cptcod,0, mobilav);
         if(popbased==1){
           varevsij(optionfilefiname, vareij, matcov, p, delti, nlstate, stepm, (int) bage, (int) fage, oldm, savm, prlim, ftolpl,k, estepm, cptcov,cptcod,popbased,mobilav);
         }
   
    
         fprintf(ficrest,"#Total LEs with variances: e.. (std) ");
         for (i=1;i<=nlstate;i++) fprintf(ficrest,"e.%d (std) ",i);
         fprintf(ficrest,"\n");
   
         epj=vector(1,nlstate+1);
         for(age=bage; age <=fage ;age++){
           prevalim(prlim, nlstate, p, age, oldm, savm,ftolpl,k);
           if (popbased==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",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];
               /*  printf("%lf %lf ", prlim[i][i] ,eij[i][j][(int)age]);*/
             }
             epj[nlstate+1] +=epj[j];
           }
   
           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");
         }
         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);
       }
     }
     free_vector(weight,1,n);
     free_imatrix(Tvard,1,15,1,2);
     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(ficreseij);
     fclose(ficresvij);
     fclose(ficrest);
     fclose(ficpar);
     
     /*------- Variance of stable prevalence------*/   
   
     strcpy(fileresvpl,"vpl");
     strcat(fileresvpl,fileres);
     if((ficresvpl=fopen(fileresvpl,"w"))==NULL) {
       printf("Problem with variance of stable prevalence  resultfile: %s\n", fileresvpl);
       exit(0);
     }
     printf("Computing Variance-covariance of stable prevalence: file '%s' \n", fileresvpl);
   
     for(cptcov=1,k=0;cptcov<=i1;cptcov++){
       for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){
         k=k+1;
         fprintf(ficresvpl,"\n#****** ");
         for(j=1;j<=cptcoveff;j++) 
           fprintf(ficresvpl,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[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,k);
         free_matrix(varpl,1,nlstate,(int) bage, (int)fage);
       }
     }
   
     fclose(ficresvpl);
   
     /*---------- End : free ----------------*/
     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_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);
     if (mobilav!=0) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX);
     free_ma3x(probs,1,AGESUP,1,NCOVMAX, 1,NCOVMAX);
   
     free_ivector(ncodemax,1,8);
     free_ivector(Tvar,1,15);
     free_ivector(Tprod,1,15);
     free_ivector(Tvaraff,1,15);
     free_ivector(Tage,1,15);
     free_ivector(Tcode,1,100);
   
     fflush(fichtm);
     fflush(ficgp);
     
   
     if(erreur >0){
       printf("End of Imach with error or warning %d\n",erreur);
       fprintf(ficlog,"End of Imach with error or warning %d\n",erreur);
     }else{
      printf("End of Imach\n");
      fprintf(ficlog,"End of Imach\n");
     }
     printf("See log file on %s\n",filelog);
     fclose(ficlog);
     /*  gettimeofday(&end_time, (struct timezone*)0);*/  /* after time */
     (void) gettimeofday(&end_time,&tzp);
     tm = *localtime(&end_time.tv_sec);
     tmg = *gmtime(&end_time.tv_sec);
     strcpy(strtend,asctime(&tm));
     printf("Localtime at start %s\nLocaltime at end   %s",strstart, strtend); 
     fprintf(ficlog,"Localtime at start %s\nLocal time at end   %s",strstart, strtend); 
     /*  printf("Total time used %d Sec\n", asc_time(end_time.tv_sec -start_time.tv_sec);*/
   
     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);
     fprintf(ficlog,"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("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>",strstart, strtend);
     fclose(fichtm);
     fclose(ficgp);
     /*------ End -----------*/
   
     end:
   #ifdef windows
     /* chdir(pathcd);*/
   #endif 
     chdir(path);
    /*system("wgnuplot graph.plt");*/
    /*system("../gp37mgw/wgnuplot graph.plt");*/
    /*system("cd ../gp37mgw");*/
    /* system("..\\gp37mgw\\wgnuplot graph.plt");*/
     strcpy(plotcmd,GNUPLOTPROGRAM);
     strcat(plotcmd," ");
     strcat(plotcmd,optionfilegnuplot);
     printf("Starting graphs with: %s",plotcmd);fflush(stdout);
     system(plotcmd);
     printf(" Wait...");
   
    /*#ifdef windows*/
     while (z[0] != 'q') {
       /* chdir(path); */
       printf("\nType e to edit output files, g to graph again, c to start again, and q for exiting: ");
       scanf("%s",z);
       if (z[0] == 'c') system("./imach");
       else if (z[0] == 'e') system(optionfilehtm);
       else if (z[0] == 'g') system(plotcmd);
       else if (z[0] == 'q') exit(0);
     }
     /*#endif */
   }
   
   
   

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  Added in v.1.90


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