Diff for /imach/src/imach.c between versions 1.9 and 1.86

version 1.9, 2001/05/02 18:44:18 version 1.86, 2003/06/17 20:04:08
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 1.86  2003/06/17 20:04:08  brouard
   individuals from different ages are interviewed on their health status    (Module): Change position of html and gnuplot routines and added
   or degree of  disability. At least a second wave of interviews    routine fileappend.
   ("longitudinal") should  measure each new individual health status.  
   Health expectancies are computed from the transistions observed between    Revision 1.85  2003/06/17 13:12:43  brouard
   waves and are computed for each degree of severity of disability (number    * imach.c (Repository): Check when date of death was earlier that
   of life states). More degrees you consider, more time is necessary to    current date of interview. It may happen when the death was just
   reach the Maximum Likelihood of the parameters involved in the model.    prior to the death. In this case, dh was negative and likelihood
   The simplest model is the multinomial logistic model where pij is    was wrong (infinity). We still send an "Error" but patch by
   the probabibility to be observed in state j at the second wave conditional    assuming that the date of death was just one stepm after the
   to be observed in state i at the first wave. Therefore the model is:    interview.
   log(pij/pii)= aij + bij*age+ cij*sex + etc , where 'age' is age and 'sex'    (Repository): Because some people have very long ID (first column)
   is a covariate. If you want to have a more complex model than "constant and    we changed int to long in num[] and we added a new lvector for
   age", you should modify the program where the markup    memory allocation. But we also truncated to 8 characters (left
     *Covariates have to be included here again* invites you to do it.    truncation)
   More covariates you add, less is the speed of the convergence.    (Repository): No more line truncation errors.
   
   The advantage that this computer programme claims, comes from that if the    Revision 1.84  2003/06/13 21:44:43  brouard
   delay between waves is not identical for each individual, or if some    * imach.c (Repository): Replace "freqsummary" at a correct
   individual missed an interview, the information is not rounded or lost, but    place. It differs from routine "prevalence" which may be called
   taken into account using an interpolation or extrapolation.    many times. Probs is memory consuming and must be used with
   hPijx is the probability to be    parcimony.
   observed in state i at age x+h conditional to the observed state i at age    Version 0.95a3 (should output exactly the same maximization than 0.8a2)
   x. The delay 'h' can be split into an exact number (nh*stepm) of  
   unobserved intermediate  states. This elementary transition (by month or    Revision 1.83  2003/06/10 13:39:11  lievre
   quarter trimester, semester or year) is model as a multinomial logistic.    *** empty log message ***
   The hPx matrix is simply the matrix product of nh*stepm elementary matrices  
   and the contribution of each individual to the likelihood is simply hPijx.    Revision 1.82  2003/06/05 15:57:20  brouard
     Add log in  imach.c and  fullversion number is now printed.
   Also this programme outputs the covariance matrix of the parameters but also  
   of the life expectancies. It also computes the prevalence limits.  */
    /*
   Authors: Nicolas Brouard (brouard@ined.fr) and Agnès Lièvre (lievre@ined.fr).     Interpolated Markov Chain
            Institut national d'études démographiques, Paris.  
   This software have been partly granted by Euro-REVES, a concerted action    Short summary of the programme:
   from the European Union.    
   It is copyrighted identically to a GNU software product, ie programme and    This program computes Healthy Life Expectancies from
   software can be distributed freely for non commercial use. Latest version    cross-longitudinal data. Cross-longitudinal data consist in: -1- a
   can be accessed at http://euroreves.ined.fr/imach .    first survey ("cross") where individuals from different ages are
   **********************************************************************/    interviewed on their health status or degree of disability (in the
      case of a health survey which is our main interest) -2- at least a
 #include <math.h>    second wave of interviews ("longitudinal") which measure each change
 #include <stdio.h>    (if any) in individual health status.  Health expectancies are
 #include <stdlib.h>    computed from the time spent in each health state according to a
 #include <unistd.h>    model. More health states you consider, more time is necessary to reach the
     Maximum Likelihood of the parameters involved in the model.  The
 #define MAXLINE 256    simplest model is the multinomial logistic model where pij is the
 #define FILENAMELENGTH 80    probability to be observed in state j at the second wave
 /*#define DEBUG*/    conditional to be observed in state i at the first wave. Therefore
 #define windows    the model is: log(pij/pii)= aij + bij*age+ cij*sex + etc , where
 #define GLOCK_ERROR_NOPATH              -1      /* empty path */    'age' is age and 'sex' is a covariate. If you want to have a more
 #define GLOCK_ERROR_GETCWD              -2      /* cannot get cwd */    complex model than "constant and age", you should modify the program
     where the markup *Covariates have to be included here again* invites
 #define MAXPARM 30 /* Maximum number of parameters for the optimization */    you to do it.  More covariates you add, slower the
 #define NPARMAX 64 /* (nlstate+ndeath-1)*nlstate*ncovmodel */    convergence.
   
 #define NINTERVMAX 8    The advantage of this computer programme, compared to a simple
 #define NLSTATEMAX 8 /* Maximum number of live states (for func) */    multinomial logistic model, is clear when the delay between waves is not
 #define NDEATHMAX 8 /* Maximum number of dead states (for func) */    identical for each individual. Also, if a individual missed an
 #define NCOVMAX 8 /* Maximum number of covariates */    intermediate interview, the information is lost, but taken into
 #define MAXN 20000    account using an interpolation or extrapolation.  
 #define YEARM 12. /* Number of months per year */  
 #define AGESUP 130    hPijx is the probability to be observed in state i at age x+h
 #define AGEBASE 40    conditional to the observed state i at age x. The delay 'h' can be
     split into an exact number (nh*stepm) of unobserved intermediate
     states. This elementary transition (by month, quarter,
 int nvar;    semester or year) is modelled as a multinomial logistic.  The hPx
 int cptcovn, cptcovage=0, cptcoveff=0,cptcov;    matrix is simply the matrix product of nh*stepm elementary matrices
 int npar=NPARMAX;    and the contribution of each individual to the likelihood is simply
 int nlstate=2; /* Number of live states */    hPijx.
 int ndeath=1; /* Number of dead states */  
 int ncovmodel, ncov;     /* Total number of covariables including constant a12*1 +b12*x ncovmodel=2 */    Also this programme outputs the covariance matrix of the parameters but also
     of the life expectancies. It also computes the stable prevalence. 
 int *wav; /* Number of waves for this individuual 0 is possible */    
 int maxwav; /* Maxim number of waves */    Authors: Nicolas Brouard (brouard@ined.fr) and Agnès Lièvre (lievre@ined.fr).
 int jmin, jmax; /* min, max spacing between 2 waves */             Institut national d'études démographiques, Paris.
 int mle, weightopt;    This software have been partly granted by Euro-REVES, a concerted action
 int **mw; /* mw[mi][i] is number of the mi wave for this individual */    from the European Union.
 int **dh; /* dh[mi][i] is number of steps between mi,mi+1 for this individual */    It is copyrighted identically to a GNU software product, ie programme and
 double jmean; /* Mean space between 2 waves */    software can be distributed freely for non commercial use. Latest version
 double **oldm, **newm, **savm; /* Working pointers to matrices */    can be accessed at http://euroreves.ined.fr/imach .
 double **oldms, **newms, **savms; /* Fixed working pointers to matrices */  
 FILE *fic,*ficpar, *ficparo,*ficres,  *ficrespl, *ficrespij, *ficrest;    Help to debug: LD_PRELOAD=/usr/local/lib/libnjamd.so ./imach foo.imach
 FILE *ficgp, *fichtm;    or better on gdb : set env LD_PRELOAD=/usr/local/lib/libnjamd.so
 FILE *ficreseij;    
   char filerese[FILENAMELENGTH];    **********************************************************************/
  FILE  *ficresvij;  /*
   char fileresv[FILENAMELENGTH];    main
  FILE  *ficresvpl;    read parameterfile
   char fileresvpl[FILENAMELENGTH];    read datafile
     concatwav
 #define NR_END 1    freqsummary
 #define FREE_ARG char*    if (mle >= 1)
 #define FTOL 1.0e-10      mlikeli
     print results files
 #define NRANSI    if mle==1 
 #define ITMAX 200       computes hessian
     read end of parameter file: agemin, agemax, bage, fage, estepm
 #define TOL 2.0e-4        begin-prev-date,...
     open gnuplot file
 #define CGOLD 0.3819660    open html file
 #define ZEPS 1.0e-10    stable prevalence
 #define SHFT(a,b,c,d) (a)=(b);(b)=(c);(c)=(d);     for age prevalim()
     h Pij x
 #define GOLD 1.618034    variance of p varprob
 #define GLIMIT 100.0    forecasting if prevfcast==1 prevforecast call prevalence()
 #define TINY 1.0e-20    health expectancies
     Variance-covariance of DFLE
 static double maxarg1,maxarg2;    prevalence()
 #define FMAX(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)>(maxarg2)? (maxarg1):(maxarg2))     movingaverage()
 #define FMIN(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)<(maxarg2)? (maxarg1):(maxarg2))    varevsij() 
      if popbased==1 varevsij(,popbased)
 #define SIGN(a,b) ((b)>0.0 ? fabs(a) : -fabs(a))    total life expectancies
 #define rint(a) floor(a+0.5)    Variance of stable prevalence
    end
 static double sqrarg;  */
 #define SQR(a) ((sqrarg=(a)) == 0.0 ? 0.0 :sqrarg*sqrarg)  
 #define SWAP(a,b) {temp=(a);(a)=(b);(b)=temp;}  
   
 int imx;   
 int stepm;  #include <math.h>
 /* Stepm, step in month: minimum step interpolation*/  #include <stdio.h>
   #include <stdlib.h>
 int m,nb;  #include <unistd.h>
 int *num, firstpass=0, lastpass=4,*cod, *ncodemax, *Tage;  
 double **agev,*moisnais, *annais, *moisdc, *andc,**mint, **anint;  #include <sys/time.h>
 double **pmmij;  #include <time.h>
   #include "timeval.h"
 double *weight;  
 int **s; /* Status */  #define MAXLINE 256
 double *agedc, **covar, idx;  #define GNUPLOTPROGRAM "gnuplot"
 int **nbcode, *Tcode, *Tvar, **codtab, **Tvard, *Tprod, cptcovprod, *Tvaraff;  /*#define GNUPLOTPROGRAM "..\\gp37mgw\\wgnuplot"*/
   #define FILENAMELENGTH 132
 double ftol=FTOL; /* Tolerance for computing Max Likelihood */  /*#define DEBUG*/
 double ftolhess; /* Tolerance for computing hessian */  /*#define windows*/
   #define GLOCK_ERROR_NOPATH              -1      /* empty path */
 /**************** split *************************/  #define GLOCK_ERROR_GETCWD              -2      /* cannot get cwd */
 static  int split( char *path, char *dirc, char *name )  
 {  #define MAXPARM 30 /* Maximum number of parameters for the optimization */
    char *s;                             /* pointer */  #define NPARMAX 64 /* (nlstate+ndeath-1)*nlstate*ncovmodel */
    int  l1, l2;                         /* length counters */  
   #define NINTERVMAX 8
    l1 = strlen( path );                 /* length of path */  #define NLSTATEMAX 8 /* Maximum number of live states (for func) */
    if ( l1 == 0 ) return( GLOCK_ERROR_NOPATH );  #define NDEATHMAX 8 /* Maximum number of dead states (for func) */
    s = strrchr( path, '\\' );           /* find last / */  #define NCOVMAX 8 /* Maximum number of covariates */
    if ( s == NULL ) {                   /* no directory, so use current */  #define MAXN 20000
 #if     defined(__bsd__)                /* get current working directory */  #define YEARM 12. /* Number of months per year */
       extern char       *getwd( );  #define AGESUP 130
   #define AGEBASE 40
       if ( getwd( dirc ) == NULL ) {  #ifdef unix
 #else  #define DIRSEPARATOR '/'
       extern char       *getcwd( );  #define ODIRSEPARATOR '\\'
   #else
       if ( getcwd( dirc, FILENAME_MAX ) == NULL ) {  #define DIRSEPARATOR '\\'
 #endif  #define ODIRSEPARATOR '/'
          return( GLOCK_ERROR_GETCWD );  #endif
       }  
       strcpy( name, path );             /* we've got it */  /* $Id$ */
    } else {                             /* strip direcotry from path */  /* $State$ */
       s++;                              /* after this, the filename */  
       l2 = strlen( s );                 /* length of filename */  char version[]="Imach version 0.95a2, June 2003, INED-EUROREVES ";
       if ( l2 == 0 ) return( GLOCK_ERROR_NOPATH );  char fullversion[]="$Revision$ $Date$"; 
       strcpy( name, s );                /* save file name */  int erreur; /* Error number */
       strncpy( dirc, path, l1 - l2 );   /* now the directory */  int nvar;
       dirc[l1-l2] = 0;                  /* add zero */  int cptcovn=0, cptcovage=0, cptcoveff=0,cptcov;
    }  int npar=NPARMAX;
    l1 = strlen( dirc );                 /* length of directory */  int nlstate=2; /* Number of live states */
    if ( dirc[l1-1] != '\\' ) { dirc[l1] = '\\'; dirc[l1+1] = 0; }  int ndeath=1; /* Number of dead states */
    return( 0 );                         /* we're done */  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 maxwav; /* Maxim number of waves */
   int jmin, jmax; /* min, max spacing between 2 waves */
 void replace(char *s, char*t)  int mle, weightopt;
 {  int **mw; /* mw[mi][i] is number of the mi wave for this individual */
   int i;  int **dh; /* dh[mi][i] is number of steps between mi,mi+1 for this individual */
   int lg=20;  int **bh; /* bh[mi][i] is the bias (+ or -) for this individual if the delay between
   i=0;             * wave mi and wave mi+1 is not an exact multiple of stepm. */
   lg=strlen(t);  double jmean; /* Mean space between 2 waves */
   for(i=0; i<= lg; i++) {  double **oldm, **newm, **savm; /* Working pointers to matrices */
     (s[i] = t[i]);  double **oldms, **newms, **savms; /* Fixed working pointers to matrices */
     if (t[i]== '\\') s[i]='/';  FILE *fic,*ficpar, *ficparo,*ficres,  *ficrespl, *ficrespij, *ficrest,*ficresf,*ficrespop;
   }  FILE *ficlog, *ficrespow;
 }  int globpr; /* Global variable for printing or not */
   double fretone; /* Only one call to likelihood */
 int nbocc(char *s, char occ)  long ipmx; /* Number of contributions */
 {  double sw; /* Sum of weights */
   int i,j=0;  char fileresilk[FILENAMELENGTH]; /* File of individual contributions to the likelihood */
   int lg=20;  FILE *ficresilk;
   i=0;  FILE *ficgp,*ficresprob,*ficpop, *ficresprobcov, *ficresprobcor;
   lg=strlen(s);  FILE *ficresprobmorprev;
   for(i=0; i<= lg; i++) {  FILE *fichtm; /* Html File */
   if  (s[i] == occ ) j++;  FILE *ficreseij;
   }  char filerese[FILENAMELENGTH];
   return j;  FILE  *ficresvij;
 }  char fileresv[FILENAMELENGTH];
   FILE  *ficresvpl;
 void cutv(char *u,char *v, char*t, char occ)  char fileresvpl[FILENAMELENGTH];
 {  char title[MAXLINE];
   int i,lg,j,p=0;  char optionfile[FILENAMELENGTH], datafile[FILENAMELENGTH],  filerespl[FILENAMELENGTH];
   i=0;  char optionfilext[10], optionfilefiname[FILENAMELENGTH], plotcmd[FILENAMELENGTH];
   for(j=0; j<=strlen(t)-1; j++) {  
     if((t[j]!= occ) && (t[j+1]== occ)) p=j+1;  char fileres[FILENAMELENGTH], filerespij[FILENAMELENGTH], filereso[FILENAMELENGTH], rfileres[FILENAMELENGTH];
   }  char filelog[FILENAMELENGTH]; /* Log file */
   char filerest[FILENAMELENGTH];
   lg=strlen(t);  char fileregp[FILENAMELENGTH];
   for(j=0; j<p; j++) {  char popfile[FILENAMELENGTH];
     (u[j] = t[j]);  
   }  char optionfilegnuplot[FILENAMELENGTH], optionfilehtm[FILENAMELENGTH];
      u[p]='\0';  
   #define NR_END 1
    for(j=0; j<= lg; j++) {  #define FREE_ARG char*
     if (j>=(p+1))(v[j-p-1] = t[j]);  #define FTOL 1.0e-10
   }  
 }  #define NRANSI 
   #define ITMAX 200 
 /********************** nrerror ********************/  
   #define TOL 2.0e-4 
 void nrerror(char error_text[])  
 {  #define CGOLD 0.3819660 
   fprintf(stderr,"ERREUR ...\n");  #define ZEPS 1.0e-10 
   fprintf(stderr,"%s\n",error_text);  #define SHFT(a,b,c,d) (a)=(b);(b)=(c);(c)=(d); 
   exit(1);  
 }  #define GOLD 1.618034 
 /*********************** vector *******************/  #define GLIMIT 100.0 
 double *vector(int nl, int nh)  #define TINY 1.0e-20 
 {  
   double *v;  static double maxarg1,maxarg2;
   v=(double *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(double)));  #define FMAX(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)>(maxarg2)? (maxarg1):(maxarg2))
   if (!v) nrerror("allocation failure in vector");  #define FMIN(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1)<(maxarg2)? (maxarg1):(maxarg2))
   return v-nl+NR_END;    
 }  #define SIGN(a,b) ((b)>0.0 ? fabs(a) : -fabs(a))
   #define rint(a) floor(a+0.5)
 /************************ free vector ******************/  
 void free_vector(double*v, int nl, int nh)  static double sqrarg;
 {  #define SQR(a) ((sqrarg=(a)) == 0.0 ? 0.0 :sqrarg*sqrarg)
   free((FREE_ARG)(v+nl-NR_END));  #define SWAP(a,b) {temp=(a);(a)=(b);(b)=temp;} 
 }  
   int imx; 
 /************************ivector *******************************/  int stepm;
 int *ivector(long nl,long nh)  /* Stepm, step in month: minimum step interpolation*/
 {  
   int *v;  int estepm;
   v=(int *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(int)));  /* Estepm, step in month to interpolate survival function in order to approximate Life Expectancy*/
   if (!v) nrerror("allocation failure in ivector");  
   return v-nl+NR_END;  int m,nb;
 }  long *num;
   int firstpass=0, lastpass=4,*cod, *ncodemax, *Tage;
 /******************free ivector **************************/  double **agev,*moisnais, *annais, *moisdc, *andc,**mint, **anint;
 void free_ivector(int *v, long nl, long nh)  double **pmmij, ***probs;
 {  double dateintmean=0;
   free((FREE_ARG)(v+nl-NR_END));  
 }  double *weight;
   int **s; /* Status */
 /******************* imatrix *******************************/  double *agedc, **covar, idx;
 int **imatrix(long nrl, long nrh, long ncl, long nch)  int **nbcode, *Tcode, *Tvar, **codtab, **Tvard, *Tprod, cptcovprod, *Tvaraff;
      /* allocate a int matrix with subscript range m[nrl..nrh][ncl..nch] */  
 {  double ftol=FTOL; /* Tolerance for computing Max Likelihood */
   long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;  double ftolhess; /* Tolerance for computing hessian */
   int **m;  
    /**************** split *************************/
   /* allocate pointers to rows */  static  int split( char *path, char *dirc, char *name, char *ext, char *finame )
   m=(int **) malloc((size_t)((nrow+NR_END)*sizeof(int*)));  {
   if (!m) nrerror("allocation failure 1 in matrix()");    char  *ss;                            /* pointer */
   m += NR_END;    int   l1, l2;                         /* length counters */
   m -= nrl;  
      l1 = strlen(path );                   /* length of path */
      if ( l1 == 0 ) return( GLOCK_ERROR_NOPATH );
   /* allocate rows and set pointers to them */    ss= strrchr( path, DIRSEPARATOR );            /* find last / */
   m[nrl]=(int *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(int)));    if ( ss == NULL ) {                   /* no directory, so use current */
   if (!m[nrl]) nrerror("allocation failure 2 in matrix()");      /*if(strrchr(path, ODIRSEPARATOR )==NULL)
   m[nrl] += NR_END;        printf("Warning you should use %s as a separator\n",DIRSEPARATOR);*/
   m[nrl] -= ncl;      /* get current working directory */
        /*    extern  char* getcwd ( char *buf , int len);*/
   for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;      if ( getcwd( dirc, FILENAME_MAX ) == NULL ) {
          return( GLOCK_ERROR_GETCWD );
   /* return pointer to array of pointers to rows */      }
   return m;      strcpy( name, path );               /* we've got it */
 }    } else {                              /* strip direcotry from path */
       ss++;                               /* after this, the filename */
 /****************** free_imatrix *************************/      l2 = strlen( ss );                  /* length of filename */
 void free_imatrix(m,nrl,nrh,ncl,nch)      if ( l2 == 0 ) return( GLOCK_ERROR_NOPATH );
       int **m;      strcpy( name, ss );         /* save file name */
       long nch,ncl,nrh,nrl;      strncpy( dirc, path, l1 - l2 );     /* now the directory */
      /* free an int matrix allocated by imatrix() */      dirc[l1-l2] = 0;                    /* add zero */
 {    }
   free((FREE_ARG) (m[nrl]+ncl-NR_END));    l1 = strlen( dirc );                  /* length of directory */
   free((FREE_ARG) (m+nrl-NR_END));    /*#ifdef windows
 }    if ( dirc[l1-1] != '\\' ) { dirc[l1] = '\\'; dirc[l1+1] = 0; }
   #else
 /******************* matrix *******************************/    if ( dirc[l1-1] != '/' ) { dirc[l1] = '/'; dirc[l1+1] = 0; }
 double **matrix(long nrl, long nrh, long ncl, long nch)  #endif
 {    */
   long i, nrow=nrh-nrl+1, ncol=nch-ncl+1;    ss = strrchr( name, '.' );            /* find last / */
   double **m;    ss++;
     strcpy(ext,ss);                       /* save extension */
   m=(double **) malloc((size_t)((nrow+NR_END)*sizeof(double*)));    l1= strlen( name);
   if (!m) nrerror("allocation failure 1 in matrix()");    l2= strlen(ss)+1;
   m += NR_END;    strncpy( finame, name, l1-l2);
   m -= nrl;    finame[l1-l2]= 0;
     return( 0 );                          /* we're done */
   m[nrl]=(double *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));  }
   if (!m[nrl]) nrerror("allocation failure 2 in matrix()");  
   m[nrl] += NR_END;  
   m[nrl] -= ncl;  /******************************************/
   
   for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;  void replace(char *s, char*t)
   return m;  {
 }    int i;
     int lg=20;
 /*************************free matrix ************************/    i=0;
 void free_matrix(double **m, long nrl, long nrh, long ncl, long nch)    lg=strlen(t);
 {    for(i=0; i<= lg; i++) {
   free((FREE_ARG)(m[nrl]+ncl-NR_END));      (s[i] = t[i]);
   free((FREE_ARG)(m+nrl-NR_END));      if (t[i]== '\\') s[i]='/';
 }    }
   }
 /******************* ma3x *******************************/  
 double ***ma3x(long nrl, long nrh, long ncl, long nch, long nll, long nlh)  int nbocc(char *s, char occ)
 {  {
   long i, j, nrow=nrh-nrl+1, ncol=nch-ncl+1, nlay=nlh-nll+1;    int i,j=0;
   double ***m;    int lg=20;
     i=0;
   m=(double ***) malloc((size_t)((nrow+NR_END)*sizeof(double*)));    lg=strlen(s);
   if (!m) nrerror("allocation failure 1 in matrix()");    for(i=0; i<= lg; i++) {
   m += NR_END;    if  (s[i] == occ ) j++;
   m -= nrl;    }
     return j;
   m[nrl]=(double **) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));  }
   if (!m[nrl]) nrerror("allocation failure 2 in matrix()");  
   m[nrl] += NR_END;  void cutv(char *u,char *v, char*t, char occ)
   m[nrl] -= ncl;  {
     /* cuts string t into u and v where u is ended by char occ excluding it
   for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;       and v is after occ excluding it too : ex cutv(u,v,"abcdef2ghi2j",2)
        gives u="abcedf" and v="ghi2j" */
   m[nrl][ncl]=(double *) malloc((size_t)((nrow*ncol*nlay+NR_END)*sizeof(double)));    int i,lg,j,p=0;
   if (!m[nrl][ncl]) nrerror("allocation failure 3 in matrix()");    i=0;
   m[nrl][ncl] += NR_END;    for(j=0; j<=strlen(t)-1; j++) {
   m[nrl][ncl] -= nll;      if((t[j]!= occ) && (t[j+1]== occ)) p=j+1;
   for (j=ncl+1; j<=nch; j++)    }
     m[nrl][j]=m[nrl][j-1]+nlay;  
      lg=strlen(t);
   for (i=nrl+1; i<=nrh; i++) {    for(j=0; j<p; j++) {
     m[i][ncl]=m[i-1l][ncl]+ncol*nlay;      (u[j] = t[j]);
     for (j=ncl+1; j<=nch; j++)    }
       m[i][j]=m[i][j-1]+nlay;       u[p]='\0';
   }  
   return m;     for(j=0; j<= lg; j++) {
 }      if (j>=(p+1))(v[j-p-1] = t[j]);
     }
 /*************************free ma3x ************************/  }
 void free_ma3x(double ***m, long nrl, long nrh, long ncl, long nch,long nll, long nlh)  
 {  /********************** nrerror ********************/
   free((FREE_ARG)(m[nrl][ncl]+ nll-NR_END));  
   free((FREE_ARG)(m[nrl]+ncl-NR_END));  void nrerror(char error_text[])
   free((FREE_ARG)(m+nrl-NR_END));  {
 }    fprintf(stderr,"ERREUR ...\n");
     fprintf(stderr,"%s\n",error_text);
 /***************** f1dim *************************/    exit(EXIT_FAILURE);
 extern int ncom;  }
 extern double *pcom,*xicom;  /*********************** vector *******************/
 extern double (*nrfunc)(double []);  double *vector(int nl, int nh)
    {
 double f1dim(double x)    double *v;
 {    v=(double *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(double)));
   int j;    if (!v) nrerror("allocation failure in vector");
   double f;    return v-nl+NR_END;
   double *xt;  }
    
   xt=vector(1,ncom);  /************************ free vector ******************/
   for (j=1;j<=ncom;j++) xt[j]=pcom[j]+x*xicom[j];  void free_vector(double*v, int nl, int nh)
   f=(*nrfunc)(xt);  {
   free_vector(xt,1,ncom);    free((FREE_ARG)(v+nl-NR_END));
   return f;  }
 }  
   /************************ivector *******************************/
 /*****************brent *************************/  int *ivector(long nl,long nh)
 double brent(double ax, double bx, double cx, double (*f)(double), double tol,  double *xmin)  {
 {    int *v;
   int iter;    v=(int *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(int)));
   double a,b,d,etemp;    if (!v) nrerror("allocation failure in ivector");
   double fu,fv,fw,fx;    return v-nl+NR_END;
   double ftemp;  }
   double p,q,r,tol1,tol2,u,v,w,x,xm;  
   double e=0.0;  /******************free ivector **************************/
    void free_ivector(int *v, long nl, long nh)
   a=(ax < cx ? ax : cx);  {
   b=(ax > cx ? ax : cx);    free((FREE_ARG)(v+nl-NR_END));
   x=w=v=bx;  }
   fw=fv=fx=(*f)(x);  
   for (iter=1;iter<=ITMAX;iter++) {  /************************lvector *******************************/
     xm=0.5*(a+b);  long *lvector(long nl,long nh)
     tol2=2.0*(tol1=tol*fabs(x)+ZEPS);  {
     /*          if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret)))*/    long *v;
     printf(".");fflush(stdout);    v=(long *) malloc((size_t)((nh-nl+1+NR_END)*sizeof(long)));
 #ifdef DEBUG    if (!v) nrerror("allocation failure in 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);    return v-nl+NR_END;
     /*          if ((fabs(x-xm) <= (tol2-0.5*(b-a)))||(2.0*fabs(fu-ftemp) <= ftol*1.e-2*(fabs(fu)+fabs(ftemp)))) { */  }
 #endif  
     if (fabs(x-xm) <= (tol2-0.5*(b-a))){  /******************free lvector **************************/
       *xmin=x;  void free_lvector(long *v, long nl, long nh)
       return fx;  {
     }    free((FREE_ARG)(v+nl-NR_END));
     ftemp=fu;  }
     if (fabs(e) > tol1) {  
       r=(x-w)*(fx-fv);  /******************* imatrix *******************************/
       q=(x-v)*(fx-fw);  int **imatrix(long nrl, long nrh, long ncl, long nch) 
       p=(x-v)*q-(x-w)*r;       /* allocate a int matrix with subscript range m[nrl..nrh][ncl..nch] */ 
       q=2.0*(q-r);  { 
       if (q > 0.0) p = -p;    long i, nrow=nrh-nrl+1,ncol=nch-ncl+1; 
       q=fabs(q);    int **m; 
       etemp=e;    
       e=d;    /* allocate pointers to rows */ 
       if (fabs(p) >= fabs(0.5*q*etemp) || p <= q*(a-x) || p >= q*(b-x))    m=(int **) malloc((size_t)((nrow+NR_END)*sizeof(int*))); 
         d=CGOLD*(e=(x >= xm ? a-x : b-x));    if (!m) nrerror("allocation failure 1 in matrix()"); 
       else {    m += NR_END; 
         d=p/q;    m -= nrl; 
         u=x+d;    
         if (u-a < tol2 || b-u < tol2)    
           d=SIGN(tol1,xm-x);    /* allocate rows and set pointers to them */ 
       }    m[nrl]=(int *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(int))); 
     } else {    if (!m[nrl]) nrerror("allocation failure 2 in matrix()"); 
       d=CGOLD*(e=(x >= xm ? a-x : b-x));    m[nrl] += NR_END; 
     }    m[nrl] -= ncl; 
     u=(fabs(d) >= tol1 ? x+d : x+SIGN(tol1,d));    
     fu=(*f)(u);    for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol; 
     if (fu <= fx) {    
       if (u >= x) a=x; else b=x;    /* return pointer to array of pointers to rows */ 
       SHFT(v,w,x,u)    return m; 
         SHFT(fv,fw,fx,fu)  } 
         } else {  
           if (u < x) a=u; else b=u;  /****************** free_imatrix *************************/
           if (fu <= fw || w == x) {  void free_imatrix(m,nrl,nrh,ncl,nch)
             v=w;        int **m;
             w=u;        long nch,ncl,nrh,nrl; 
             fv=fw;       /* free an int matrix allocated by imatrix() */ 
             fw=fu;  { 
           } else if (fu <= fv || v == x || v == w) {    free((FREE_ARG) (m[nrl]+ncl-NR_END)); 
             v=u;    free((FREE_ARG) (m+nrl-NR_END)); 
             fv=fu;  } 
           }  
         }  /******************* matrix *******************************/
   }  double **matrix(long nrl, long nrh, long ncl, long nch)
   nrerror("Too many iterations in brent");  {
   *xmin=x;    long i, nrow=nrh-nrl+1, ncol=nch-ncl+1;
   return fx;    double **m;
 }  
     m=(double **) malloc((size_t)((nrow+NR_END)*sizeof(double*)));
 /****************** mnbrak ***********************/    if (!m) nrerror("allocation failure 1 in matrix()");
     m += NR_END;
 void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb, double *fc,    m -= nrl;
             double (*func)(double))  
 {    m[nrl]=(double *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));
   double ulim,u,r,q, dum;    if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
   double fu;    m[nrl] += NR_END;
      m[nrl] -= ncl;
   *fa=(*func)(*ax);  
   *fb=(*func)(*bx);    for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;
   if (*fb > *fa) {    return m;
     SHFT(dum,*ax,*bx,dum)    /* print *(*(m+1)+70) or print m[1][70]; print m+1 or print &(m[1]) 
       SHFT(dum,*fb,*fa,dum)     */
       }  }
   *cx=(*bx)+GOLD*(*bx-*ax);  
   *fc=(*func)(*cx);  /*************************free matrix ************************/
   while (*fb > *fc) {  void free_matrix(double **m, long nrl, long nrh, long ncl, long nch)
     r=(*bx-*ax)*(*fb-*fc);  {
     q=(*bx-*cx)*(*fb-*fa);    free((FREE_ARG)(m[nrl]+ncl-NR_END));
     u=(*bx)-((*bx-*cx)*q-(*bx-*ax)*r)/    free((FREE_ARG)(m+nrl-NR_END));
       (2.0*SIGN(FMAX(fabs(q-r),TINY),q-r));  }
     ulim=(*bx)+GLIMIT*(*cx-*bx);  
     if ((*bx-u)*(u-*cx) > 0.0) {  /******************* ma3x *******************************/
       fu=(*func)(u);  double ***ma3x(long nrl, long nrh, long ncl, long nch, long nll, long nlh)
     } else if ((*cx-u)*(u-ulim) > 0.0) {  {
       fu=(*func)(u);    long i, j, nrow=nrh-nrl+1, ncol=nch-ncl+1, nlay=nlh-nll+1;
       if (fu < *fc) {    double ***m;
         SHFT(*bx,*cx,u,*cx+GOLD*(*cx-*bx))  
           SHFT(*fb,*fc,fu,(*func)(u))    m=(double ***) malloc((size_t)((nrow+NR_END)*sizeof(double*)));
           }    if (!m) nrerror("allocation failure 1 in matrix()");
     } else if ((u-ulim)*(ulim-*cx) >= 0.0) {    m += NR_END;
       u=ulim;    m -= nrl;
       fu=(*func)(u);  
     } else {    m[nrl]=(double **) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));
       u=(*cx)+GOLD*(*cx-*bx);    if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
       fu=(*func)(u);    m[nrl] += NR_END;
     }    m[nrl] -= ncl;
     SHFT(*ax,*bx,*cx,u)  
       SHFT(*fa,*fb,*fc,fu)    for (i=nrl+1; i<=nrh; i++) m[i]=m[i-1]+ncol;
       }  
 }    m[nrl][ncl]=(double *) malloc((size_t)((nrow*ncol*nlay+NR_END)*sizeof(double)));
     if (!m[nrl][ncl]) nrerror("allocation failure 3 in matrix()");
 /*************** linmin ************************/    m[nrl][ncl] += NR_END;
     m[nrl][ncl] -= nll;
 int ncom;    for (j=ncl+1; j<=nch; j++) 
 double *pcom,*xicom;      m[nrl][j]=m[nrl][j-1]+nlay;
 double (*nrfunc)(double []);    
      for (i=nrl+1; i<=nrh; i++) {
 void linmin(double p[], double xi[], int n, double *fret,double (*func)(double []))      m[i][ncl]=m[i-1l][ncl]+ncol*nlay;
 {      for (j=ncl+1; j<=nch; j++) 
   double brent(double ax, double bx, double cx,        m[i][j]=m[i][j-1]+nlay;
                double (*f)(double), double tol, double *xmin);    }
   double f1dim(double x);    return m; 
   void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb,    /*  gdb: p *(m+1) <=> p m[1] and p (m+1) <=> p (m+1) <=> p &(m[1])
               double *fc, double (*func)(double));             &(m[i][j][k]) <=> *((*(m+i) + j)+k)
   int j;    */
   double xx,xmin,bx,ax;  }
   double fx,fb,fa;  
    /*************************free ma3x ************************/
   ncom=n;  void free_ma3x(double ***m, long nrl, long nrh, long ncl, long nch,long nll, long nlh)
   pcom=vector(1,n);  {
   xicom=vector(1,n);    free((FREE_ARG)(m[nrl][ncl]+ nll-NR_END));
   nrfunc=func;    free((FREE_ARG)(m[nrl]+ncl-NR_END));
   for (j=1;j<=n;j++) {    free((FREE_ARG)(m+nrl-NR_END));
     pcom[j]=p[j];  }
     xicom[j]=xi[j];  
   }  /***************** f1dim *************************/
   ax=0.0;  extern int ncom; 
   xx=1.0;  extern double *pcom,*xicom;
   mnbrak(&ax,&xx,&bx,&fa,&fx,&fb,f1dim);  extern double (*nrfunc)(double []); 
   *fret=brent(ax,xx,bx,f1dim,TOL,&xmin);   
 #ifdef DEBUG  double f1dim(double x) 
   printf("retour brent fret=%.12e xmin=%.12e\n",*fret,xmin);  { 
 #endif    int j; 
   for (j=1;j<=n;j++) {    double f;
     xi[j] *= xmin;    double *xt; 
     p[j] += xi[j];   
   }    xt=vector(1,ncom); 
   free_vector(xicom,1,n);    for (j=1;j<=ncom;j++) xt[j]=pcom[j]+x*xicom[j]; 
   free_vector(pcom,1,n);    f=(*nrfunc)(xt); 
 }    free_vector(xt,1,ncom); 
     return f; 
 /*************** powell ************************/  } 
 void powell(double p[], double **xi, int n, double ftol, int *iter, double *fret,  
             double (*func)(double []))  /*****************brent *************************/
 {  double brent(double ax, double bx, double cx, double (*f)(double), double tol,  double *xmin) 
   void linmin(double p[], double xi[], int n, double *fret,  { 
               double (*func)(double []));    int iter; 
   int i,ibig,j;    double a,b,d,etemp;
   double del,t,*pt,*ptt,*xit;    double fu,fv,fw,fx;
   double fp,fptt;    double ftemp;
   double *xits;    double p,q,r,tol1,tol2,u,v,w,x,xm; 
   pt=vector(1,n);    double e=0.0; 
   ptt=vector(1,n);   
   xit=vector(1,n);    a=(ax < cx ? ax : cx); 
   xits=vector(1,n);    b=(ax > cx ? ax : cx); 
   *fret=(*func)(p);    x=w=v=bx; 
   for (j=1;j<=n;j++) pt[j]=p[j];    fw=fv=fx=(*f)(x); 
   for (*iter=1;;++(*iter)) {    for (iter=1;iter<=ITMAX;iter++) { 
     fp=(*fret);      xm=0.5*(a+b); 
     ibig=0;      tol2=2.0*(tol1=tol*fabs(x)+ZEPS); 
     del=0.0;      /*          if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret)))*/
     printf("\nPowell iter=%d -2*LL=%.12f",*iter,*fret);      printf(".");fflush(stdout);
     for (i=1;i<=n;i++)      fprintf(ficlog,".");fflush(ficlog);
       printf(" %d %.12f",i, p[i]);  #ifdef DEBUG
     printf("\n");      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);
     for (i=1;i<=n;i++) {      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);
       for (j=1;j<=n;j++) xit[j]=xi[j][i];      /*          if ((fabs(x-xm) <= (tol2-0.5*(b-a)))||(2.0*fabs(fu-ftemp) <= ftol*1.e-2*(fabs(fu)+fabs(ftemp)))) { */
       fptt=(*fret);  #endif
 #ifdef DEBUG      if (fabs(x-xm) <= (tol2-0.5*(b-a))){ 
       printf("fret=%lf \n",*fret);        *xmin=x; 
 #endif        return fx; 
       printf("%d",i);fflush(stdout);      } 
       linmin(p,xit,n,fret,func);      ftemp=fu;
       if (fabs(fptt-(*fret)) > del) {      if (fabs(e) > tol1) { 
         del=fabs(fptt-(*fret));        r=(x-w)*(fx-fv); 
         ibig=i;        q=(x-v)*(fx-fw); 
       }        p=(x-v)*q-(x-w)*r; 
 #ifdef DEBUG        q=2.0*(q-r); 
       printf("%d %.12e",i,(*fret));        if (q > 0.0) p = -p; 
       for (j=1;j<=n;j++) {        q=fabs(q); 
         xits[j]=FMAX(fabs(p[j]-pt[j]),1.e-5);        etemp=e; 
         printf(" x(%d)=%.12e",j,xit[j]);        e=d; 
       }        if (fabs(p) >= fabs(0.5*q*etemp) || p <= q*(a-x) || p >= q*(b-x)) 
       for(j=1;j<=n;j++)          d=CGOLD*(e=(x >= xm ? a-x : b-x)); 
         printf(" p=%.12e",p[j]);        else { 
       printf("\n");          d=p/q; 
 #endif          u=x+d; 
     }          if (u-a < tol2 || b-u < tol2) 
     if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret))) {            d=SIGN(tol1,xm-x); 
 #ifdef DEBUG        } 
       int k[2],l;      } else { 
       k[0]=1;        d=CGOLD*(e=(x >= xm ? a-x : b-x)); 
       k[1]=-1;      } 
       printf("Max: %.12e",(*func)(p));      u=(fabs(d) >= tol1 ? x+d : x+SIGN(tol1,d)); 
       for (j=1;j<=n;j++)      fu=(*f)(u); 
         printf(" %.12e",p[j]);      if (fu <= fx) { 
       printf("\n");        if (u >= x) a=x; else b=x; 
       for(l=0;l<=1;l++) {        SHFT(v,w,x,u) 
         for (j=1;j<=n;j++) {          SHFT(fv,fw,fx,fu) 
           ptt[j]=p[j]+(p[j]-pt[j])*k[l];          } else { 
           printf("l=%d j=%d ptt=%.12e, xits=%.12e, p=%.12e, xit=%.12e", l,j,ptt[j],xits[j],p[j],xit[j]);            if (u < x) a=u; else b=u; 
         }            if (fu <= fw || w == x) { 
         printf("func(ptt)=%.12e, deriv=%.12e\n",(*func)(ptt),(ptt[j]-p[j])/((*func)(ptt)-(*func)(p)));              v=w; 
       }              w=u; 
 #endif              fv=fw; 
               fw=fu; 
             } else if (fu <= fv || v == x || v == w) { 
       free_vector(xit,1,n);              v=u; 
       free_vector(xits,1,n);              fv=fu; 
       free_vector(ptt,1,n);            } 
       free_vector(pt,1,n);          } 
       return;    } 
     }    nrerror("Too many iterations in brent"); 
     if (*iter == ITMAX) nrerror("powell exceeding maximum iterations.");    *xmin=x; 
     for (j=1;j<=n;j++) {    return fx; 
       ptt[j]=2.0*p[j]-pt[j];  } 
       xit[j]=p[j]-pt[j];  
       pt[j]=p[j];  /****************** mnbrak ***********************/
     }  
     fptt=(*func)(ptt);  void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb, double *fc, 
     if (fptt < fp) {              double (*func)(double)) 
       t=2.0*(fp-2.0*(*fret)+fptt)*SQR(fp-(*fret)-del)-del*SQR(fp-fptt);  { 
       if (t < 0.0) {    double ulim,u,r,q, dum;
         linmin(p,xit,n,fret,func);    double fu; 
         for (j=1;j<=n;j++) {   
           xi[j][ibig]=xi[j][n];    *fa=(*func)(*ax); 
           xi[j][n]=xit[j];    *fb=(*func)(*bx); 
         }    if (*fb > *fa) { 
 #ifdef DEBUG      SHFT(dum,*ax,*bx,dum) 
         printf("Direction changed  last moved %d in place of ibig=%d, new last is the average:\n",n,ibig);        SHFT(dum,*fb,*fa,dum) 
         for(j=1;j<=n;j++)        } 
           printf(" %.12e",xit[j]);    *cx=(*bx)+GOLD*(*bx-*ax); 
         printf("\n");    *fc=(*func)(*cx); 
 #endif    while (*fb > *fc) { 
       }      r=(*bx-*ax)*(*fb-*fc); 
     }      q=(*bx-*cx)*(*fb-*fa); 
   }      u=(*bx)-((*bx-*cx)*q-(*bx-*ax)*r)/ 
 }        (2.0*SIGN(FMAX(fabs(q-r),TINY),q-r)); 
       ulim=(*bx)+GLIMIT*(*cx-*bx); 
 /**** Prevalence limit ****************/      if ((*bx-u)*(u-*cx) > 0.0) { 
         fu=(*func)(u); 
 double **prevalim(double **prlim, int nlstate, double x[], double age, double **oldm, double **savm, double ftolpl, int ij)      } else if ((*cx-u)*(u-ulim) > 0.0) { 
 {        fu=(*func)(u); 
   /* Computes the prevalence limit in each live state at age x by left multiplying the unit        if (fu < *fc) { 
      matrix by transitions matrix until convergence is reached */          SHFT(*bx,*cx,u,*cx+GOLD*(*cx-*bx)) 
             SHFT(*fb,*fc,fu,(*func)(u)) 
   int i, ii,j,k;            } 
   double min, max, maxmin, maxmax,sumnew=0.;      } else if ((u-ulim)*(ulim-*cx) >= 0.0) { 
   double **matprod2();        u=ulim; 
   double **out, cov[NCOVMAX], **pmij();        fu=(*func)(u); 
   double **newm;      } else { 
   double agefin, delaymax=50 ; /* Max number of years to converge */        u=(*cx)+GOLD*(*cx-*bx); 
         fu=(*func)(u); 
   for (ii=1;ii<=nlstate+ndeath;ii++)      } 
     for (j=1;j<=nlstate+ndeath;j++){      SHFT(*ax,*bx,*cx,u) 
       oldm[ii][j]=(ii==j ? 1.0 : 0.0);        SHFT(*fa,*fb,*fc,fu) 
     }        } 
   } 
    cov[1]=1.;  
    /*************** linmin ************************/
  /* Even if hstepm = 1, at least one multiplication by the unit matrix */  
   for(agefin=age-stepm/YEARM; agefin>=age-delaymax; agefin=agefin-stepm/YEARM){  int ncom; 
     newm=savm;  double *pcom,*xicom;
     /* Covariates have to be included here again */  double (*nrfunc)(double []); 
      cov[2]=agefin;   
    void linmin(double p[], double xi[], int n, double *fret,double (*func)(double [])) 
       for (k=1; k<=cptcovn;k++) {  { 
         cov[2+k]=nbcode[Tvar[k]][codtab[ij][Tvar[k]]];    double brent(double ax, double bx, double cx, 
         /*printf("ij=%d Tvar[k]=%d nbcode=%d cov=%lf\n",ij, Tvar[k],nbcode[Tvar[k]][codtab[ij][Tvar[k]]],cov[2+k]);*/                 double (*f)(double), double tol, double *xmin); 
       }    double f1dim(double x); 
       for (k=1; k<=cptcovage;k++)    void mnbrak(double *ax, double *bx, double *cx, double *fa, double *fb, 
         cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];                double *fc, double (*func)(double)); 
       for (k=1; k<=cptcovprod;k++)    int j; 
         cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];    double xx,xmin,bx,ax; 
     double fx,fb,fa;
       /*printf("ij=%d cptcovprod=%d tvar=%d ", ij, cptcovprod, Tvar[1]);*/   
       /*printf("ij=%d cov[3]=%lf cov[4]=%lf \n",ij, cov[3],cov[4]);*/    ncom=n; 
     pcom=vector(1,n); 
     out=matprod2(newm, pmij(pmmij,cov,ncovmodel,x,nlstate),1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm);    xicom=vector(1,n); 
     nrfunc=func; 
     savm=oldm;    for (j=1;j<=n;j++) { 
     oldm=newm;      pcom[j]=p[j]; 
     maxmax=0.;      xicom[j]=xi[j]; 
     for(j=1;j<=nlstate;j++){    } 
       min=1.;    ax=0.0; 
       max=0.;    xx=1.0; 
       for(i=1; i<=nlstate; i++) {    mnbrak(&ax,&xx,&bx,&fa,&fx,&fb,f1dim); 
         sumnew=0;    *fret=brent(ax,xx,bx,f1dim,TOL,&xmin); 
         for(k=1; k<=ndeath; k++) sumnew+=newm[i][nlstate+k];  #ifdef DEBUG
         prlim[i][j]= newm[i][j]/(1-sumnew);    printf("retour brent fret=%.12e xmin=%.12e\n",*fret,xmin);
         max=FMAX(max,prlim[i][j]);    fprintf(ficlog,"retour brent fret=%.12e xmin=%.12e\n",*fret,xmin);
         min=FMIN(min,prlim[i][j]);  #endif
       }    for (j=1;j<=n;j++) { 
       maxmin=max-min;      xi[j] *= xmin; 
       maxmax=FMAX(maxmax,maxmin);      p[j] += xi[j]; 
     }    } 
     if(maxmax < ftolpl){    free_vector(xicom,1,n); 
       return prlim;    free_vector(pcom,1,n); 
     }  } 
   }  
 }  /*************** powell ************************/
   void powell(double p[], double **xi, int n, double ftol, int *iter, double *fret, 
 /*************** transition probabilities **********/              double (*func)(double [])) 
   { 
 double **pmij(double **ps, double *cov, int ncovmodel, double *x, int nlstate )    void linmin(double p[], double xi[], int n, double *fret, 
 {                double (*func)(double [])); 
   double s1, s2;    int i,ibig,j; 
   /*double t34;*/    double del,t,*pt,*ptt,*xit;
   int i,j,j1, nc, ii, jj;    double fp,fptt;
     double *xits;
     for(i=1; i<= nlstate; i++){    pt=vector(1,n); 
     for(j=1; j<i;j++){    ptt=vector(1,n); 
       for (nc=1, s2=0.;nc <=ncovmodel; nc++){    xit=vector(1,n); 
         /*s2 += param[i][j][nc]*cov[nc];*/    xits=vector(1,n); 
         s2 += x[(i-1)*nlstate*ncovmodel+(j-1)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];    *fret=(*func)(p); 
         /*printf("Int j<i s1=%.17e, s2=%.17e\n",s1,s2);*/    for (j=1;j<=n;j++) pt[j]=p[j]; 
       }    for (*iter=1;;++(*iter)) { 
       ps[i][j]=s2;      fp=(*fret); 
       /*printf("s1=%.17e, s2=%.17e\n",s1,s2);*/      ibig=0; 
     }      del=0.0; 
     for(j=i+1; j<=nlstate+ndeath;j++){      printf("\nPowell iter=%d -2*LL=%.12f",*iter,*fret);
       for (nc=1, s2=0.;nc <=ncovmodel; nc++){      fprintf(ficlog,"\nPowell iter=%d -2*LL=%.12f",*iter,*fret);
         s2 += x[(i-1)*nlstate*ncovmodel+(j-2)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];      fprintf(ficrespow,"%d %.12f",*iter,*fret);
         /*printf("Int j>i s1=%.17e, s2=%.17e %lx %lx\n",s1,s2,s1,s2);*/      for (i=1;i<=n;i++) {
       }        printf(" %d %.12f",i, p[i]);
       ps[i][j]=s2;        fprintf(ficlog," %d %.12lf",i, p[i]);
     }        fprintf(ficrespow," %.12lf", p[i]);
   }      }
   for(i=1; i<= nlstate; i++){      printf("\n");
      s1=0;      fprintf(ficlog,"\n");
     for(j=1; j<i; j++)      fprintf(ficrespow,"\n");
       s1+=exp(ps[i][j]);      for (i=1;i<=n;i++) { 
     for(j=i+1; j<=nlstate+ndeath; j++)        for (j=1;j<=n;j++) xit[j]=xi[j][i]; 
       s1+=exp(ps[i][j]);        fptt=(*fret); 
     ps[i][i]=1./(s1+1.);  #ifdef DEBUG
     for(j=1; j<i; j++)        printf("fret=%lf \n",*fret);
       ps[i][j]= exp(ps[i][j])*ps[i][i];        fprintf(ficlog,"fret=%lf \n",*fret);
     for(j=i+1; j<=nlstate+ndeath; j++)  #endif
       ps[i][j]= exp(ps[i][j])*ps[i][i];        printf("%d",i);fflush(stdout);
     /* ps[i][nlstate+1]=1.-s1- ps[i][i];*/ /* Sum should be 1 */        fprintf(ficlog,"%d",i);fflush(ficlog);
   } /* end i */        linmin(p,xit,n,fret,func); 
         if (fabs(fptt-(*fret)) > del) { 
   for(ii=nlstate+1; ii<= nlstate+ndeath; ii++){          del=fabs(fptt-(*fret)); 
     for(jj=1; jj<= nlstate+ndeath; jj++){          ibig=i; 
       ps[ii][jj]=0;        } 
       ps[ii][ii]=1;  #ifdef DEBUG
     }        printf("%d %.12e",i,(*fret));
   }        fprintf(ficlog,"%d %.12e",i,(*fret));
         for (j=1;j<=n;j++) {
   /*   for(ii=1; ii<= nlstate+ndeath; ii++){          xits[j]=FMAX(fabs(p[j]-pt[j]),1.e-5);
     for(jj=1; jj<= nlstate+ndeath; jj++){          printf(" x(%d)=%.12e",j,xit[j]);
      printf("%lf ",ps[ii][jj]);          fprintf(ficlog," x(%d)=%.12e",j,xit[j]);
    }        }
     printf("\n ");        for(j=1;j<=n;j++) {
     }          printf(" p=%.12e",p[j]);
     printf("\n ");printf("%lf ",cov[2]);*/          fprintf(ficlog," p=%.12e",p[j]);
 /*        }
   for(i=1; i<= npar; i++) printf("%f ",x[i]);        printf("\n");
   goto end;*/        fprintf(ficlog,"\n");
     return ps;  #endif
 }      } 
       if (2.0*fabs(fp-(*fret)) <= ftol*(fabs(fp)+fabs(*fret))) {
 /**************** Product of 2 matrices ******************/  #ifdef DEBUG
         int k[2],l;
 double **matprod2(double **out, double **in,long nrl, long nrh, long ncl, long nch, long ncolol, long ncoloh, double **b)        k[0]=1;
 {        k[1]=-1;
   /* Computes the matric product of in(1,nrh-nrl+1)(1,nch-ncl+1) times        printf("Max: %.12e",(*func)(p));
      b(1,nch-ncl+1)(1,ncoloh-ncolol+1) into out(...) */        fprintf(ficlog,"Max: %.12e",(*func)(p));
   /* in, b, out are matrice of pointers which should have been initialized        for (j=1;j<=n;j++) {
      before: only the contents of out is modified. The function returns          printf(" %.12e",p[j]);
      a pointer to pointers identical to out */          fprintf(ficlog," %.12e",p[j]);
   long i, j, k;        }
   for(i=nrl; i<= nrh; i++)        printf("\n");
     for(k=ncolol; k<=ncoloh; k++)        fprintf(ficlog,"\n");
       for(j=ncl,out[i][k]=0.; j<=nch; j++)        for(l=0;l<=1;l++) {
         out[i][k] +=in[i][j]*b[j][k];          for (j=1;j<=n;j++) {
             ptt[j]=p[j]+(p[j]-pt[j])*k[l];
   return out;            printf("l=%d j=%d ptt=%.12e, xits=%.12e, p=%.12e, xit=%.12e", l,j,ptt[j],xits[j],p[j],xit[j]);
 }            fprintf(ficlog,"l=%d j=%d ptt=%.12e, xits=%.12e, p=%.12e, xit=%.12e", l,j,ptt[j],xits[j],p[j],xit[j]);
           }
           printf("func(ptt)=%.12e, deriv=%.12e\n",(*func)(ptt),(ptt[j]-p[j])/((*func)(ptt)-(*func)(p)));
 /************* Higher Matrix Product ***************/          fprintf(ficlog,"func(ptt)=%.12e, deriv=%.12e\n",(*func)(ptt),(ptt[j]-p[j])/((*func)(ptt)-(*func)(p)));
         }
 double ***hpxij(double ***po, int nhstepm, double age, int hstepm, double *x, int nlstate, int stepm, double **oldm, double **savm, int ij )  #endif
 {  
   /* Computes the transition matrix starting at age 'age' over 'nhstepm*hstepm*stepm' month  
      duration (i.e. until        free_vector(xit,1,n); 
      age (in years)  age+nhstepm*stepm/12) by multiplying nhstepm*hstepm matrices.        free_vector(xits,1,n); 
      Output is stored in matrix po[i][j][h] for h every 'hstepm' step        free_vector(ptt,1,n); 
      (typically every 2 years instead of every month which is too big).        free_vector(pt,1,n); 
      Model is determined by parameters x and covariates have to be        return; 
      included manually here.      } 
       if (*iter == ITMAX) nrerror("powell exceeding maximum iterations."); 
      */      for (j=1;j<=n;j++) { 
         ptt[j]=2.0*p[j]-pt[j]; 
   int i, j, d, h, k;        xit[j]=p[j]-pt[j]; 
   double **out, cov[NCOVMAX];        pt[j]=p[j]; 
   double **newm;      } 
       fptt=(*func)(ptt); 
   /* Hstepm could be zero and should return the unit matrix */      if (fptt < fp) { 
   for (i=1;i<=nlstate+ndeath;i++)        t=2.0*(fp-2.0*(*fret)+fptt)*SQR(fp-(*fret)-del)-del*SQR(fp-fptt); 
     for (j=1;j<=nlstate+ndeath;j++){        if (t < 0.0) { 
       oldm[i][j]=(i==j ? 1.0 : 0.0);          linmin(p,xit,n,fret,func); 
       po[i][j][0]=(i==j ? 1.0 : 0.0);          for (j=1;j<=n;j++) { 
     }            xi[j][ibig]=xi[j][n]; 
   /* Even if hstepm = 1, at least one multiplication by the unit matrix */            xi[j][n]=xit[j]; 
   for(h=1; h <=nhstepm; h++){          }
     for(d=1; d <=hstepm; d++){  #ifdef DEBUG
       newm=savm;          printf("Direction changed  last moved %d in place of ibig=%d, new last is the average:\n",n,ibig);
       /* Covariates have to be included here again */          fprintf(ficlog,"Direction changed  last moved %d in place of ibig=%d, new last is the average:\n",n,ibig);
       cov[1]=1.;          for(j=1;j<=n;j++){
       cov[2]=age+((h-1)*hstepm + (d-1))*stepm/YEARM;            printf(" %.12e",xit[j]);
       for (k=1; k<=cptcovn;k++) cov[2+k]=nbcode[Tvar[k]][codtab[ij][Tvar[k]]];            fprintf(ficlog," %.12e",xit[j]);
 for (k=1; k<=cptcovage;k++)          }
         cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];          printf("\n");
    for (k=1; k<=cptcovprod;k++)          fprintf(ficlog,"\n");
         cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];  #endif
         }
       } 
       /*printf("hxi cptcov=%d cptcode=%d\n",cptcov,cptcode);*/    } 
       /*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,  
                    pmij(pmmij,cov,ncovmodel,x,nlstate));  /**** Prevalence limit (stable prevalence)  ****************/
       savm=oldm;  
       oldm=newm;  double **prevalim(double **prlim, int nlstate, double x[], double age, double **oldm, double **savm, double ftolpl, int ij)
     }  {
     for(i=1; i<=nlstate+ndeath; i++)    /* Computes the prevalence limit in each live state at age x by left multiplying the unit
       for(j=1;j<=nlstate+ndeath;j++) {       matrix by transitions matrix until convergence is reached */
         po[i][j][h]=newm[i][j];  
         /*printf("i=%d j=%d h=%d po[i][j][h]=%f ",i,j,h,po[i][j][h]);    int i, ii,j,k;
          */    double min, max, maxmin, maxmax,sumnew=0.;
       }    double **matprod2();
   } /* end h */    double **out, cov[NCOVMAX], **pmij();
   return po;    double **newm;
 }    double agefin, delaymax=50 ; /* Max number of years to converge */
   
     for (ii=1;ii<=nlstate+ndeath;ii++)
 /*************** log-likelihood *************/      for (j=1;j<=nlstate+ndeath;j++){
 double func( double *x)        oldm[ii][j]=(ii==j ? 1.0 : 0.0);
 {      }
   int i, ii, j, k, mi, d, kk;  
   double l, ll[NLSTATEMAX], cov[NCOVMAX];     cov[1]=1.;
   double **out;   
   double sw; /* Sum of weights */   /* Even if hstepm = 1, at least one multiplication by the unit matrix */
   double lli; /* Individual log likelihood */    for(agefin=age-stepm/YEARM; agefin>=age-delaymax; agefin=agefin-stepm/YEARM){
   long ipmx;      newm=savm;
   /*extern weight */      /* Covariates have to be included here again */
   /* We are differentiating ll according to initial status */       cov[2]=agefin;
   /*  for (i=1;i<=npar;i++) printf("%f ", x[i]);*/    
   /*for(i=1;i<imx;i++)        for (k=1; k<=cptcovn;k++) {
     printf(" %d\n",s[4][i]);          cov[2+k]=nbcode[Tvar[k]][codtab[ij][Tvar[k]]];
   */          /*      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]]);*/
   cov[1]=1.;        }
         for (k=1; k<=cptcovage;k++) cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];
   for(k=1; k<=nlstate; k++) ll[k]=0.;        for (k=1; k<=cptcovprod;k++)
   for (i=1,ipmx=0, sw=0.; i<=imx; i++){          cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];
     for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];  
     for(mi=1; mi<= wav[i]-1; mi++){        /*printf("ij=%d cptcovprod=%d tvar=%d ", ij, cptcovprod, Tvar[1]);*/
       for (ii=1;ii<=nlstate+ndeath;ii++)        /*printf("ij=%d cov[3]=%lf cov[4]=%lf \n",ij, cov[3],cov[4]);*/
         for (j=1;j<=nlstate+ndeath;j++) oldm[ii][j]=(ii==j ? 1.0 : 0.0);        /*printf("ij=%d cov[3]=%lf \n",ij, cov[3]);*/
       for(d=0; d<dh[mi][i]; d++){      out=matprod2(newm, pmij(pmmij,cov,ncovmodel,x,nlstate),1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm);
         newm=savm;  
         cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;      savm=oldm;
         for (kk=1; kk<=cptcovage;kk++) {      oldm=newm;
           cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];      maxmax=0.;
         }      for(j=1;j<=nlstate;j++){
                min=1.;
         out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,        max=0.;
                      1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));        for(i=1; i<=nlstate; i++) {
         savm=oldm;          sumnew=0;
         oldm=newm;          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]);
       } /* end mult */          min=FMIN(min,prlim[i][j]);
              }
       lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);        maxmin=max-min;
       /* printf(" %f ",out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);*/        maxmax=FMAX(maxmax,maxmin);
       ipmx +=1;      }
       sw += weight[i];      if(maxmax < ftolpl){
       ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;        return prlim;
     } /* end of wave */      }
   } /* end of individual */    }
   }
   for(k=1,l=0.; k<=nlstate; k++) l += ll[k];  
   /* printf("l1=%f l2=%f ",ll[1],ll[2]); */  /*************** transition probabilities ***************/ 
   l= l*ipmx/sw; /* To get the same order of magnitude as if weight=1 for every body */  
   return -l;  double **pmij(double **ps, double *cov, int ncovmodel, double *x, int nlstate )
 }  {
     double s1, s2;
     /*double t34;*/
 /*********** Maximum Likelihood Estimation ***************/    int i,j,j1, nc, ii, jj;
   
 void mlikeli(FILE *ficres,double p[], int npar, int ncovmodel, int nlstate, double ftol, double (*func)(double []))      for(i=1; i<= nlstate; i++){
 {      for(j=1; j<i;j++){
   int i,j, iter;        for (nc=1, s2=0.;nc <=ncovmodel; nc++){
   double **xi,*delti;          /*s2 += param[i][j][nc]*cov[nc];*/
   double fret;          s2 += x[(i-1)*nlstate*ncovmodel+(j-1)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];
   xi=matrix(1,npar,1,npar);          /*printf("Int j<i s1=%.17e, s2=%.17e\n",s1,s2);*/
   for (i=1;i<=npar;i++)        }
     for (j=1;j<=npar;j++)        ps[i][j]=s2;
       xi[i][j]=(i==j ? 1.0 : 0.0);        /*printf("s1=%.17e, s2=%.17e\n",s1,s2);*/
   printf("Powell\n");      }
   powell(p,xi,npar,ftol,&iter,&fret,func);      for(j=i+1; j<=nlstate+ndeath;j++){
         for (nc=1, s2=0.;nc <=ncovmodel; nc++){
    printf("\n#Number of iterations = %d, -2 Log likelihood = %.12f\n",iter,func(p));          s2 += x[(i-1)*nlstate*ncovmodel+(j-2)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];
   fprintf(ficres,"#Number of iterations = %d, -2 Log likelihood = %.12f ",iter,func(p));          /*printf("Int j>i s1=%.17e, s2=%.17e %lx %lx\n",s1,s2,s1,s2);*/
         }
 }        ps[i][j]=s2;
       }
 /**** Computes Hessian and covariance matrix ***/    }
 void hesscov(double **matcov, double p[], int npar, double delti[], double ftolhess, double (*func)(double []))      /*ps[3][2]=1;*/
 {  
   double  **a,**y,*x,pd;    for(i=1; i<= nlstate; i++){
   double **hess;       s1=0;
   int i, j,jk;      for(j=1; j<i; j++)
   int *indx;        s1+=exp(ps[i][j]);
       for(j=i+1; j<=nlstate+ndeath; j++)
   double hessii(double p[], double delta, int theta, double delti[]);        s1+=exp(ps[i][j]);
   double hessij(double p[], double delti[], int i, int j);      ps[i][i]=1./(s1+1.);
   void lubksb(double **a, int npar, int *indx, double b[]) ;      for(j=1; j<i; j++)
   void ludcmp(double **a, int npar, int *indx, double *d) ;        ps[i][j]= exp(ps[i][j])*ps[i][i];
       for(j=i+1; j<=nlstate+ndeath; j++)
         ps[i][j]= exp(ps[i][j])*ps[i][i];
   hess=matrix(1,npar,1,npar);      /* ps[i][nlstate+1]=1.-s1- ps[i][i];*/ /* Sum should be 1 */
     } /* end i */
   printf("\nCalculation of the hessian matrix. Wait...\n");  
   for (i=1;i<=npar;i++){    for(ii=nlstate+1; ii<= nlstate+ndeath; ii++){
     printf("%d",i);fflush(stdout);      for(jj=1; jj<= nlstate+ndeath; jj++){
     hess[i][i]=hessii(p,ftolhess,i,delti);        ps[ii][jj]=0;
     /*printf(" %f ",p[i]);*/        ps[ii][ii]=1;
   }      }
     }
   for (i=1;i<=npar;i++) {  
     for (j=1;j<=npar;j++)  {  
       if (j>i) {    /*   for(ii=1; ii<= nlstate+ndeath; ii++){
         printf(".%d%d",i,j);fflush(stdout);      for(jj=1; jj<= nlstate+ndeath; jj++){
         hess[i][j]=hessij(p,delti,i,j);       printf("%lf ",ps[ii][jj]);
         hess[j][i]=hess[i][j];     }
       }      printf("\n ");
     }      }
   }      printf("\n ");printf("%lf ",cov[2]);*/
   printf("\n");  /*
     for(i=1; i<= npar; i++) printf("%f ",x[i]);
   printf("\nInverting the hessian to get the covariance matrix. Wait...\n");    goto end;*/
        return ps;
   a=matrix(1,npar,1,npar);  }
   y=matrix(1,npar,1,npar);  
   x=vector(1,npar);  /**************** Product of 2 matrices ******************/
   indx=ivector(1,npar);  
   for (i=1;i<=npar;i++)  double **matprod2(double **out, double **in,long nrl, long nrh, long ncl, long nch, long ncolol, long ncoloh, double **b)
     for (j=1;j<=npar;j++) a[i][j]=hess[i][j];  {
   ludcmp(a,npar,indx,&pd);    /* 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(...) */
   for (j=1;j<=npar;j++) {    /* in, b, out are matrice of pointers which should have been initialized 
     for (i=1;i<=npar;i++) x[i]=0;       before: only the contents of out is modified. The function returns
     x[j]=1;       a pointer to pointers identical to out */
     lubksb(a,npar,indx,x);    long i, j, k;
     for (i=1;i<=npar;i++){    for(i=nrl; i<= nrh; i++)
       matcov[i][j]=x[i];      for(k=ncolol; k<=ncoloh; k++)
     }        for(j=ncl,out[i][k]=0.; j<=nch; j++)
   }          out[i][k] +=in[i][j]*b[j][k];
   
   printf("\n#Hessian matrix#\n");    return out;
   for (i=1;i<=npar;i++) {  }
     for (j=1;j<=npar;j++) {  
       printf("%.3e ",hess[i][j]);  
     }  /************* Higher Matrix Product ***************/
     printf("\n");  
   }  double ***hpxij(double ***po, int nhstepm, double age, int hstepm, double *x, int nlstate, int stepm, double **oldm, double **savm, int ij )
   {
   /* Recompute Inverse */    /* Computes the transition matrix starting at age 'age' over 
   for (i=1;i<=npar;i++)       'nhstepm*hstepm*stepm' months (i.e. until
     for (j=1;j<=npar;j++) a[i][j]=matcov[i][j];       age (in years)  age+nhstepm*hstepm*stepm/12) by multiplying 
   ludcmp(a,npar,indx,&pd);       nhstepm*hstepm matrices. 
        Output is stored in matrix po[i][j][h] for h every 'hstepm' step 
   /*  printf("\n#Hessian matrix recomputed#\n");       (typically every 2 years instead of every month which is too big 
        for the memory).
   for (j=1;j<=npar;j++) {       Model is determined by parameters x and covariates have to be 
     for (i=1;i<=npar;i++) x[i]=0;       included manually here. 
     x[j]=1;  
     lubksb(a,npar,indx,x);       */
     for (i=1;i<=npar;i++){  
       y[i][j]=x[i];    int i, j, d, h, k;
       printf("%.3e ",y[i][j]);    double **out, cov[NCOVMAX];
     }    double **newm;
     printf("\n");  
   }    /* Hstepm could be zero and should return the unit matrix */
   */    for (i=1;i<=nlstate+ndeath;i++)
       for (j=1;j<=nlstate+ndeath;j++){
   free_matrix(a,1,npar,1,npar);        oldm[i][j]=(i==j ? 1.0 : 0.0);
   free_matrix(y,1,npar,1,npar);        po[i][j][0]=(i==j ? 1.0 : 0.0);
   free_vector(x,1,npar);      }
   free_ivector(indx,1,npar);    /* Even if hstepm = 1, at least one multiplication by the unit matrix */
   free_matrix(hess,1,npar,1,npar);    for(h=1; h <=nhstepm; h++){
       for(d=1; d <=hstepm; d++){
         newm=savm;
 }        /* Covariates have to be included here again */
         cov[1]=1.;
 /*************** hessian matrix ****************/        cov[2]=age+((h-1)*hstepm + (d-1))*stepm/YEARM;
 double hessii( double x[], double delta, int theta, double delti[])        for (k=1; k<=cptcovn;k++) cov[2+k]=nbcode[Tvar[k]][codtab[ij][Tvar[k]]];
 {        for (k=1; k<=cptcovage;k++)
   int i;          cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];
   int l=1, lmax=20;        for (k=1; k<=cptcovprod;k++)
   double k1,k2;          cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];
   double p2[NPARMAX+1];  
   double res;  
   double delt, delts, nkhi=10.,nkhif=1., khi=1.e-4;        /*printf("hxi cptcov=%d cptcode=%d\n",cptcov,cptcode);*/
   double fx;        /*printf("h=%d d=%d age=%f cov=%f\n",h,d,age,cov[2]);*/
   int k=0,kmax=10;        out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, 
   double l1;                     pmij(pmmij,cov,ncovmodel,x,nlstate));
         savm=oldm;
   fx=func(x);        oldm=newm;
   for (i=1;i<=npar;i++) p2[i]=x[i];      }
   for(l=0 ; l <=lmax; l++){      for(i=1; i<=nlstate+ndeath; i++)
     l1=pow(10,l);        for(j=1;j<=nlstate+ndeath;j++) {
     delts=delt;          po[i][j][h]=newm[i][j];
     for(k=1 ; k <kmax; k=k+1){          /*printf("i=%d j=%d h=%d po[i][j][h]=%f ",i,j,h,po[i][j][h]);
       delt = delta*(l1*k);           */
       p2[theta]=x[theta] +delt;        }
       k1=func(p2)-fx;    } /* end h */
       p2[theta]=x[theta]-delt;    return po;
       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 */  
        /*************** log-likelihood *************/
 #ifdef DEBUG  double func( double *x)
       printf("%d %d k1=%.12e k2=%.12e xk1=%.12e xk2=%.12e delt=%.12e res=%.12e l=%d k=%d,fx=%.12e\n",theta,theta,k1,k2,x[theta]+delt,x[theta]-delt,delt,res, l, k,fx);  {
 #endif    int i, ii, j, k, mi, d, kk;
       /*if(fabs(k1-2.0*fx+k2) <1.e-13){ */    double l, ll[NLSTATEMAX], cov[NCOVMAX];
       if((k1 <khi/nkhi/2.) || (k2 <khi/nkhi/2.)){    double **out;
         k=kmax;    double sw; /* Sum of weights */
       }    double lli; /* Individual log likelihood */
       else if((k1 >khi/nkhif) || (k2 >khi/nkhif)){ /* Keeps lastvalue before 3.84/2 KHI2 5% 1d.f. */    int s1, s2;
         k=kmax; l=lmax*10.;    double bbh, survp;
       }    long ipmx;
       else if((k1 >khi/nkhi) || (k2 >khi/nkhi)){    /*extern weight */
         delts=delt;    /* 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]);
   delti[theta]=delts;    */
   return res;    cov[1]=1.;
    
 }    for(k=1; k<=nlstate; k++) ll[k]=0.;
   
 double hessij( double x[], double delti[], int thetai,int thetaj)    if(mle==1){
 {      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
   int i;        for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
   int l=1, l1, lmax=20;        for(mi=1; mi<= wav[i]-1; mi++){
   double k1,k2,k3,k4,res,fx;          for (ii=1;ii<=nlstate+ndeath;ii++)
   double p2[NPARMAX+1];            for (j=1;j<=nlstate+ndeath;j++){
   int k;              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
               savm[ii][j]=(ii==j ? 1.0 : 0.0);
   fx=func(x);            }
   for (k=1; k<=2; k++) {          for(d=0; d<dh[mi][i]; d++){
     for (i=1;i<=npar;i++) p2[i]=x[i];            newm=savm;
     p2[thetai]=x[thetai]+delti[thetai]/k;            cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
     p2[thetaj]=x[thetaj]+delti[thetaj]/k;            for (kk=1; kk<=cptcovage;kk++) {
     k1=func(p2)-fx;              cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
              }
     p2[thetai]=x[thetai]+delti[thetai]/k;            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
     p2[thetaj]=x[thetaj]-delti[thetaj]/k;                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
     k2=func(p2)-fx;            savm=oldm;
              oldm=newm;
     p2[thetai]=x[thetai]-delti[thetai]/k;          } /* end mult */
     p2[thetaj]=x[thetaj]+delti[thetaj]/k;        
     k3=func(p2)-fx;          /*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.
     p2[thetai]=x[thetai]-delti[thetai]/k;           * If stepm is larger than one month (smallest stepm) and if the exact delay 
     p2[thetaj]=x[thetaj]-delti[thetaj]/k;           * (in months) between two waves is not a multiple of stepm, we rounded to 
     k4=func(p2)-fx;           * the nearest (and in case of equal distance, to the lowest) interval but now
     res=(k1-k2-k3+k4)/4.0/delti[thetai]*k/delti[thetaj]*k/2.; /* Because of L not 2*L */           * we keep into memory the bias bh[mi][i] and also the previous matrix product
 #ifdef DEBUG           * (i.e to dh[mi][i]-1) saved in 'savm'. The we inter(extra)polate the
     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);           * probability in order to take into account the bias as a fraction of the way
 #endif           * from savm to out if bh is neagtive or even beyond if bh is positive. bh varies
   }           * -stepm/2 to stepm/2 .
   return res;           * For stepm=1 the results are the same as for previous versions of Imach.
 }           * For stepm > 1 the results are less biased than in previous versions. 
            */
 /************** Inverse of matrix **************/          s1=s[mw[mi][i]][i];
 void ludcmp(double **a, int n, int *indx, double *d)          s2=s[mw[mi+1][i]][i];
 {          bbh=(double)bh[mi][i]/(double)stepm; 
   int i,imax,j,k;          /* bias is positive if real duration
   double big,dum,sum,temp;           * is higher than the multiple of stepm and negative otherwise.
   double *vv;           */
            /* lli= (savm[s1][s2]>1.e-8 ?(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]):log((1.+bbh)*out[s1][s2]));*/
   vv=vector(1,n);          if( s2 > nlstate){ 
   *d=1.0;            /* i.e. if s2 is a death state and if the date of death is known then the contribution
   for (i=1;i<=n;i++) {               to the likelihood is the probability to die between last step unit time and current 
     big=0.0;               step unit time, which is also the differences between probability to die before dh 
     for (j=1;j<=n;j++)               and probability to die before dh-stepm . 
       if ((temp=fabs(a[i][j])) > big) big=temp;               In version up to 0.92 likelihood was computed
     if (big == 0.0) nrerror("Singular matrix in routine ludcmp");          as if date of death was unknown. Death was treated as any other
     vv[i]=1.0/big;          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
   for (j=1;j<=n;j++) {          to consider that at each interview the state was recorded
     for (i=1;i<j;i++) {          (healthy, disable or death) and IMaCh was corrected; but when we
       sum=a[i][j];          introduced the exact date of death then we should have modified
       for (k=1;k<i;k++) sum -= a[i][k]*a[k][j];          the contribution of an exact death to the likelihood. This new
       a[i][j]=sum;          contribution is smaller and very dependent of the step unit
     }          stepm. It is no more the probability to die between last interview
     big=0.0;          and month of death but the probability to survive from last
     for (i=j;i<=n;i++) {          interview up to one month before death multiplied by the
       sum=a[i][j];          probability to die within a month. Thanks to Chris
       for (k=1;k<j;k++)          Jackson for correcting this bug.  Former versions increased
         sum -= a[i][k]*a[k][j];          mortality artificially. The bad side is that we add another loop
       a[i][j]=sum;          which slows down the processing. The difference can be up to 10%
       if ( (dum=vv[i]*fabs(sum)) >= big) {          lower mortality.
         big=dum;            */
         imax=i;            lli=log(out[s1][s2] - savm[s1][s2]);
       }          }else{
     }            lli= log((1.+bbh)*out[s1][s2]- bbh*savm[s1][s2]); /* linear interpolation */
     if (j != imax) {            /*  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 (k=1;k<=n;k++) {          } 
         dum=a[imax][k];          /*lli=(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]);*/
         a[imax][k]=a[j][k];          /*if(lli ==000.0)*/
         a[j][k]=dum;          /*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;
       *d = -(*d);          sw += weight[i];
       vv[imax]=vv[j];          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
     }        } /* end of wave */
     indx[j]=imax;      } /* end of individual */
     if (a[j][j] == 0.0) a[j][j]=TINY;    }  else if(mle==2){
     if (j != n) {      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
       dum=1.0/(a[j][j]);        for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
       for (i=j+1;i<=n;i++) a[i][j] *= dum;        for(mi=1; mi<= wav[i]-1; mi++){
     }          for (ii=1;ii<=nlstate+ndeath;ii++)
   }            for (j=1;j<=nlstate+ndeath;j++){
   free_vector(vv,1,n);  /* Doesn't work */              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
 ;              savm[ii][j]=(ii==j ? 1.0 : 0.0);
 }            }
           for(d=0; d<=dh[mi][i]; d++){
 void lubksb(double **a, int n, int *indx, double b[])            newm=savm;
 {            cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
   int i,ii=0,ip,j;            for (kk=1; kk<=cptcovage;kk++) {
   double sum;              cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
              }
   for (i=1;i<=n;i++) {            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
     ip=indx[i];                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
     sum=b[ip];            savm=oldm;
     b[ip]=b[i];            oldm=newm;
     if (ii)          } /* end mult */
       for (j=ii;j<=i-1;j++) sum -= a[i][j]*b[j];        
     else if (sum) ii=i;          /*lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);*/ /* Original formula */
     b[i]=sum;          /* 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 
   for (i=n;i>=1;i--) {           * (in months) between two waves is not a multiple of stepm, we rounded to 
     sum=b[i];           * the nearest (and in case of equal distance, to the lowest) interval but now
     for (j=i+1;j<=n;j++) sum -= a[i][j]*b[j];           * we keep into memory the bias bh[mi][i] and also the previous matrix product
     b[i]=sum/a[i][i];           * (i.e to dh[mi][i]-1) saved in 'savm'. The we inter(extra)polate the
   }           * 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
            * -stepm/2 to stepm/2 .
 /************ Frequencies ********************/           * For stepm=1 the results are the same as for previous versions of Imach.
 void  freqsummary(char fileres[], int agemin, int agemax, int **s, double **agev, int nlstate, int imx, int *Tvar, int **nbcode, int *ncodemax)           * For stepm > 1 the results are less biased than in previous versions. 
 {  /* Some frequencies */           */
            s1=s[mw[mi][i]][i];
   int i, m, jk, k1, i1, j1, bool, z1,z2,j;          s2=s[mw[mi+1][i]][i];
   double ***freq; /* Frequencies */          bbh=(double)bh[mi][i]/(double)stepm; 
   double *pp;          /* bias is positive if real duration
   double pos;           * is higher than the multiple of stepm and negative otherwise.
   FILE *ficresp;           */
   char fileresp[FILENAMELENGTH];          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= (savm[s1][s2]>1.e-8 ?(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]):log((1.+bbh)*out[s1][s2]));*/
   pp=vector(1,nlstate);          /*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 */
           /*lli=(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]);*/
   strcpy(fileresp,"p");          /*if(lli ==000.0)*/
   strcat(fileresp,fileres);          /*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); */
   if((ficresp=fopen(fileresp,"w"))==NULL) {          ipmx +=1;
     printf("Problem with prevalence resultfile: %s\n", fileresp);          sw += weight[i];
     exit(0);          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
   }        } /* end of wave */
   freq= ma3x(-1,nlstate+ndeath,-1,nlstate+ndeath,agemin,agemax+3);      } /* end of individual */
   j1=0;    }  else if(mle==3){  /* exponential inter-extrapolation */
       for (i=1,ipmx=0, sw=0.; i<=imx; i++){
   j=cptcoveff;        for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
   if (cptcovn<1) {j=1;ncodemax[1]=1;}        for(mi=1; mi<= wav[i]-1; mi++){
           for (ii=1;ii<=nlstate+ndeath;ii++)
   for(k1=1; k1<=j;k1++){            for (j=1;j<=nlstate+ndeath;j++){
    for(i1=1; i1<=ncodemax[k1];i1++){              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
        j1++;              savm[ii][j]=(ii==j ? 1.0 : 0.0);
        /*printf("cptcoveff=%d Tvaraff=%d", cptcoveff,Tvaraff[1]);            }
          scanf("%d", i);*/          for(d=0; d<dh[mi][i]; d++){
         for (i=-1; i<=nlstate+ndeath; i++)              newm=savm;
          for (jk=-1; jk<=nlstate+ndeath; jk++)              cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
            for(m=agemin; m <= agemax+3; m++)            for (kk=1; kk<=cptcovage;kk++) {
              freq[i][jk][m]=0;              cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
                    }
        for (i=1; i<=imx; i++) {            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
          bool=1;                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
          if  (cptcovn>0) {            savm=oldm;
            for (z1=1; z1<=cptcoveff; z1++)            oldm=newm;
              if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtab[j1][z1]])          } /* end mult */
                bool=0;        
          }          /*lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);*/ /* Original formula */
           if (bool==1) {          /* But now since version 0.9 we anticipate for bias and large stepm.
            for(m=firstpass; m<=lastpass-1; m++){           * If stepm is larger than one month (smallest stepm) and if the exact delay 
              if(agev[m][i]==0) agev[m][i]=agemax+1;           * (in months) between two waves is not a multiple of stepm, we rounded to 
              if(agev[m][i]==1) agev[m][i]=agemax+2;           * the nearest (and in case of equal distance, to the lowest) interval but now
              freq[s[m][i]][s[m+1][i]][(int)agev[m][i]] += weight[i];           * we keep into memory the bias bh[mi][i] and also the previous matrix product
              freq[s[m][i]][s[m+1][i]][(int) agemax+3] += weight[i];           * (i.e to dh[mi][i]-1) saved in 'savm'. The we inter(extra)polate the
            }           * 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
        }           * -stepm/2 to stepm/2 .
         if  (cptcovn>0) {           * For stepm=1 the results are the same as for previous versions of Imach.
          fprintf(ficresp, "\n#********** Variable ");           * For stepm > 1 the results are less biased than in previous versions. 
          for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresp, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);           */
        fprintf(ficresp, "**********\n#");          s1=s[mw[mi][i]][i];
         }          s2=s[mw[mi+1][i]][i];
        for(i=1; i<=nlstate;i++)          bbh=(double)bh[mi][i]/(double)stepm; 
          fprintf(ficresp, " Age Prev(%d) N(%d) N",i,i);          /* bias is positive if real duration
        fprintf(ficresp, "\n");           * is higher than the multiple of stepm and negative otherwise.
                   */
   for(i=(int)agemin; i <= (int)agemax+3; i++){          /* lli= (savm[s1][s2]>(double)1.e-8 ?log((1.+bbh)*out[s1][s2]- bbh*(savm[s1][s2])):log((1.+bbh)*out[s1][s2])); */ /* linear interpolation */
     if(i==(int)agemax+3)          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 */
       printf("Total");          /*lli=(1.+bbh)*log(out[s1][s2])- bbh*log(savm[s1][s2]);*/
     else          /*if(lli ==000.0)*/
       printf("Age %d", 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 ; jk++){          ipmx +=1;
       for(m=-1, pp[jk]=0; m <=nlstate+ndeath ; m++)          sw += weight[i];
         pp[jk] += freq[jk][m][i];          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
     }        } /* end of wave */
     for(jk=1; jk <=nlstate ; jk++){      } /* end of individual */
       for(m=-1, pos=0; m <=0 ; m++)    }else if (mle==4){  /* ml=4 no inter-extrapolation */
         pos += freq[jk][m][i];      for (i=1,ipmx=0, sw=0.; i<=imx; i++){
       if(pp[jk]>=1.e-10)        for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
         printf(" %d.=%.0f loss[%d]=%.1f%%",jk,pp[jk],jk,100*pos/pp[jk]);        for(mi=1; mi<= wav[i]-1; mi++){
       else          for (ii=1;ii<=nlstate+ndeath;ii++)
         printf(" %d.=%.0f loss[%d]=NaNQ%%",jk,pp[jk],jk);            for (j=1;j<=nlstate+ndeath;j++){
     }              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
     for(jk=1; jk <=nlstate ; jk++){              savm[ii][j]=(ii==j ? 1.0 : 0.0);
       for(m=1, pp[jk]=0; m <=nlstate+ndeath; m++)            }
         pp[jk] += freq[jk][m][i];          for(d=0; d<dh[mi][i]; d++){
     }            newm=savm;
     for(jk=1,pos=0; jk <=nlstate ; jk++)            cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
       pos += pp[jk];            for (kk=1; kk<=cptcovage;kk++) {
     for(jk=1; jk <=nlstate ; jk++){              cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
       if(pos>=1.e-5)            }
         printf(" %d.=%.0f prev[%d]=%.1f%%",jk,pp[jk],jk,100*pp[jk]/pos);          
       else            out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
         printf(" %d.=%.0f prev[%d]=NaNQ%%",jk,pp[jk],jk);                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
       if( i <= (int) agemax){            savm=oldm;
         if(pos>=1.e-5)            oldm=newm;
           fprintf(ficresp," %d %.5f %.0f %.0f",i,pp[jk]/pos, pp[jk],pos);          } /* end mult */
       else        
           fprintf(ficresp," %d NaNq %.0f %.0f",i,pp[jk],pos);          s1=s[mw[mi][i]][i];
       }          s2=s[mw[mi+1][i]][i];
     }          if( s2 > nlstate){ 
     for(jk=-1; jk <=nlstate+ndeath; jk++)            lli=log(out[s1][s2] - savm[s1][s2]);
       for(m=-1; m <=nlstate+ndeath; m++)          }else{
         if(freq[jk][m][i] !=0 ) printf(" %d%d=%.0f",jk,m,freq[jk][m][i]);            lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]); /* Original formula */
     if(i <= (int) agemax)          }
       fprintf(ficresp,"\n");          ipmx +=1;
     printf("\n");          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]); */
  }        } /* 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++){
 /************* Waves Concatenation ***************/              oldm[ii][j]=(ii==j ? 1.0 : 0.0);
               savm[ii][j]=(ii==j ? 1.0 : 0.0);
 void  concatwav(int wav[], int **dh, int **mw, int **s, double *agedc, double **agev, int  firstpass, int lastpass, int imx, int nlstate, int stepm)            }
 {          for(d=0; d<dh[mi][i]; d++){
   /* Concatenates waves: wav[i] is the number of effective (useful waves) of individual i.            newm=savm;
      Death is a valid wave (if date is known).            cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
      mw[mi][i] is the mi (mi=1 to wav[i])  effective wave of individual i            for (kk=1; kk<=cptcovage;kk++) {
      dh[m][i] of dh[mw[mi][i][i] is the delay between two effective waves m=mw[mi][i]              cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
      and mw[mi+1][i]. dh depends on stepm.            }
      */          
             out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
   int i, mi, m;                         1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
   /* int j, k=0,jk, ju, jl,jmin=1e+5, jmax=-1;            savm=oldm;
      double sum=0., jmean=0.;*/            oldm=newm;
           } /* end mult */
 int j, k=0,jk, ju, jl;        
      double sum=0.;          s1=s[mw[mi][i]][i];
 jmin=1e+5;          s2=s[mw[mi+1][i]][i];
  jmax=-1;          lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]); /* Original formula */
 jmean=0.;          ipmx +=1;
   for(i=1; i<=imx; i++){          sw += weight[i];
     mi=0;          ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
     m=firstpass;          /*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]);*/
     while(s[m][i] <= nlstate){        } /* end of wave */
       if(s[m][i]>=1)      } /* end of individual */
         mw[++mi][i]=m;    } /* End of if */
       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++;    return -l;
     }/* end while */  }
     if (s[m][i] > nlstate){  
       mi++;     /* Death is another wave */  /*************** log-likelihood *************/
       /* if(mi==0)  never been interviewed correctly before death */  double funcone( double *x)
          /* Only death is a correct wave */  {
       mw[mi][i]=m;    int i, ii, j, k, mi, d, kk;
     }    double l, ll[NLSTATEMAX], cov[NCOVMAX];
     double **out;
     wav[i]=mi;    double lli; /* Individual log likelihood */
     if(mi==0)    int s1, s2;
       printf("Warning, no any valid information for:%d line=%d\n",num[i],i);    double bbh, survp;
   }    /*extern weight */
     /* We are differentiating ll according to initial status */
   for(i=1; i<=imx; i++){    /*  for (i=1;i<=npar;i++) printf("%f ", x[i]);*/
     for(mi=1; mi<wav[i];mi++){    /*for(i=1;i<imx;i++) 
       if (stepm <=0)      printf(" %d\n",s[4][i]);
         dh[mi][i]=1;    */
       else{    cov[1]=1.;
         if (s[mw[mi+1][i]][i] > nlstate) {  
           j= rint(agedc[i]*12-agev[mw[mi][i]][i]*12);    for(k=1; k<=nlstate; k++) ll[k]=0.;
           /*if ((j<0) || (j>28)) printf("j=%d num=%d ",j,i);*/  
           if(j==0) j=1;  /* Survives at least one month after exam */    for (i=1,ipmx=0, sw=0.; i<=imx; i++){
           k=k+1;      for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
           if (j >= jmax) jmax=j;      for(mi=1; mi<= wav[i]-1; mi++){
           else if (j <= jmin)jmin=j;        for (ii=1;ii<=nlstate+ndeath;ii++)
           sum=sum+j;          for (j=1;j<=nlstate+ndeath;j++){
         }            oldm[ii][j]=(ii==j ? 1.0 : 0.0);
         else{            savm[ii][j]=(ii==j ? 1.0 : 0.0);
           j= rint( (agev[mw[mi+1][i]][i]*12 - agev[mw[mi][i]][i]*12));          }
           /*if ((j<0) || (j>28)) printf("j=%d num=%d ",j,i);*/        for(d=0; d<dh[mi][i]; d++){
           k=k+1;          newm=savm;
           if (j >= jmax) jmax=j;          cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
           else if (j <= jmin)jmin=j;          for (kk=1; kk<=cptcovage;kk++) {
           sum=sum+j;            cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
         }          }
         jk= j/stepm;          out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
         jl= j -jk*stepm;                       1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
         ju= j -(jk+1)*stepm;          savm=oldm;
         if(jl <= -ju)          oldm=newm;
           dh[mi][i]=jk;        } /* end mult */
         else        
           dh[mi][i]=jk+1;        s1=s[mw[mi][i]][i];
         if(dh[mi][i]==0)        s2=s[mw[mi+1][i]][i];
           dh[mi][i]=1; /* At least one step */        bbh=(double)bh[mi][i]/(double)stepm; 
       }        /* bias is positive if real duration
     }         * is higher than the multiple of stepm and negative otherwise.
   }         */
   jmean=sum/k;        if( s2 > nlstate && (mle <5) ){  /* Jackson */
   printf("Delay (in months) between two waves Min=%d Max=%d Mean=%f\n\n ",jmin, jmax,jmean);          lli=log(out[s1][s2] - savm[s1][s2]);
 }        } else if (mle==1){
 /*********** Tricode ****************************/          lli= log((1.+bbh)*out[s1][s2]- bbh*savm[s1][s2]); /* linear interpolation */
 void tricode(int *Tvar, int **nbcode, int imx)        } 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 */
   int Ndum[20],ij=1, k, j, i;        } else if(mle==3){  /* exponential inter-extrapolation */
   int cptcode=0;          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 */
   cptcoveff=0;        } else if (mle==4){  /* mle=4 no inter-extrapolation */
            lli=log(out[s1][s2]); /* Original formula */
   for (k=0; k<19; k++) Ndum[k]=0;        } else{  /* ml>=5 no inter-extrapolation no jackson =0.8a */
   for (k=1; k<=7; k++) ncodemax[k]=0;          lli=log(out[s1][s2]); /* Original formula */
         } /* End of if */
   for (j=1; j<=(cptcovn+2*cptcovprod); j++) {        ipmx +=1;
     for (i=1; i<=imx; i++) {        sw += weight[i];
       ij=(int)(covar[Tvar[j]][i]);        ll[s[mw[mi][i]][i]] += 2*weight[i]*lli;
       Ndum[ij]++;  /*       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]); */
       /*printf("i=%d ij=%d Ndum[ij]=%d imx=%d",i,ij,Ndum[ij],imx);*/        if(globpr){
       if (ij > cptcode) cptcode=ij;          fprintf(ficresilk,"%ld %6d %1d %1d %1d %1d %3d %10.6f %6.4f\
     }   %10.6f %10.6f %10.6f ", \
                   num[i],i,s1,s2,mi,mw[mi][i],dh[mi][i],exp(lli),weight[i],
     for (i=0; i<=cptcode; i++) {                  2*weight[i]*lli,out[s1][s2],savm[s1][s2]);
       if(Ndum[i]!=0) ncodemax[j]++;          for(k=1,l=0.; k<=nlstate; k++) 
     }            fprintf(ficresilk," %10.6f",ll[k]);
     ij=1;          fprintf(ficresilk,"\n");
         }
       } /* end of wave */
     for (i=1; i<=ncodemax[j]; i++) {    } /* end of individual */
       for (k=0; k<=19; k++) {    for(k=1,l=0.; k<=nlstate; k++) l += ll[k];
         if (Ndum[k] != 0) {    /* printf("l1=%f l2=%f ",ll[1],ll[2]); */
           nbcode[Tvar[j]][ij]=k;    l= l*ipmx/sw; /* To get the same order of magnitude as if weight=1 for every body */
           ij++;    return -l;
         }  }
         if (ij > ncodemax[j]) break;  
       }    
     }  void likelione(FILE *ficres,double p[], int npar, int nlstate, int *globpr, long *ipmx, double *sw, double *fretone, double (*funcone)(double []))
   }    {
     /* This routine should help understanding what is done with the selection of individuals/waves and
  for (k=0; k<19; k++) Ndum[k]=0;       to check the exact contribution to the likelihood.
        Plotting could be done.
  for (i=1; i<=ncovmodel; i++) {     */
       ij=Tvar[i];    int k;
       Ndum[ij]++;    if(globpr !=0){ /* Just counts and sums no printings */
     }      strcpy(fileresilk,"ilk"); 
       strcat(fileresilk,fileres);
  ij=1;      if((ficresilk=fopen(fileresilk,"w"))==NULL) {
  for (i=1; i<=10; i++) {        printf("Problem with resultfile: %s\n", fileresilk);
    if((Ndum[i]!=0) && (i<=ncov)){        fprintf(ficlog,"Problem with resultfile: %s\n", fileresilk);
      Tvaraff[ij]=i;      }
      ij++;      fprintf(ficresilk, "#individual(line's record) s1 s2 wave# effective_wave# number_of_product_matrix pij weight 2ln(pij)*weight 0pij_x 0pij_(x-stepm) cumulating_loglikeli_by_health_state\n");
    }      fprintf(ficresilk, "#num_i i s1 s2 mi mw dh likeli weight out sav ");
  }      /*  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++) 
     cptcoveff=ij-1;        fprintf(ficresilk," ll[%d]",k);
 }      fprintf(ficresilk,"\n");
     }
 /*********** Health Expectancies ****************/  
     *fretone=(*funcone)(p);
 void evsij(char fileres[], double ***eij, double x[], int nlstate, int stepm, int bage, int fage, double **oldm, double **savm, int ij)    if(globpr !=0){
 {      fclose(ficresilk);
   /* Health expectancies */      if((fichtm=fopen(optionfilehtm,"a"))==NULL) {
   int i, j, nhstepm, hstepm, h;        printf("Problem with html file: %s\n", optionfilehtm);
   double age, agelim,hf;        fprintf(ficlog,"Problem with html file: %s\n", optionfilehtm);
   double ***p3mat;        exit(0);
        }
   fprintf(ficreseij,"# Health expectancies\n");      else{
   fprintf(ficreseij,"# Age");        fprintf(fichtm,"\n<br>File of contributions to the likelihood: <a href=\"%s\">%s</a><br>\n",fileresilk);
   for(i=1; i<=nlstate;i++)        fclose(fichtm);
     for(j=1; j<=nlstate;j++)      }
       fprintf(ficreseij," %1d-%1d",i,j);    }
   fprintf(ficreseij,"\n");    return;
   }
   hstepm=1*YEARM; /*  Every j years of age (in month) */  
   hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */  /*********** Maximum Likelihood Estimation ***************/
   
   agelim=AGESUP;  void mlikeli(FILE *ficres,double p[], int npar, int ncovmodel, int nlstate, double ftol, double (*func)(double []))
   for (age=bage; age<=fage; age ++){ /* If stepm=6 months */  {
     /* nhstepm age range expressed in number of stepm */    int i,j, iter;
     nhstepm=(int) rint((agelim-age)*YEARM/stepm);    double **xi;
     /* Typically if 20 years = 20*12/6=40 stepm */    double fret;
     if (stepm >= YEARM) hstepm=1;    double fretone; /* Only one call to likelihood */
     nhstepm = nhstepm/hstepm;/* Expressed in hstepm, typically 40/4=10 */    char filerespow[FILENAMELENGTH];
     p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);    xi=matrix(1,npar,1,npar);
     /* Computed by stepm unit matrices, product of hstepm matrices, stored    for (i=1;i<=npar;i++)
        in an array of nhstepm length: nhstepm=10, hstepm=4, stepm=6 months */      for (j=1;j<=npar;j++)
     hpxij(p3mat,nhstepm,age,hstepm,x,nlstate,stepm,oldm, savm, ij);          xi[i][j]=(i==j ? 1.0 : 0.0);
     printf("Powell\n");  fprintf(ficlog,"Powell\n");
     strcpy(filerespow,"pow"); 
     for(i=1; i<=nlstate;i++)    strcat(filerespow,fileres);
       for(j=1; j<=nlstate;j++)    if((ficrespow=fopen(filerespow,"w"))==NULL) {
         for (h=0, eij[i][j][(int)age]=0; h<=nhstepm; h++){      printf("Problem with resultfile: %s\n", filerespow);
           eij[i][j][(int)age] +=p3mat[i][j][h];      fprintf(ficlog,"Problem with resultfile: %s\n", filerespow);
         }    }
        fprintf(ficrespow,"# Powell\n# iter -2*LL");
     hf=1;    for (i=1;i<=nlstate;i++)
     if (stepm >= YEARM) hf=stepm/YEARM;      for(j=1;j<=nlstate+ndeath;j++)
     fprintf(ficreseij,"%.0f",age );        if(j!=i)fprintf(ficrespow," p%1d%1d",i,j);
     for(i=1; i<=nlstate;i++)    fprintf(ficrespow,"\n");
       for(j=1; j<=nlstate;j++){  
         fprintf(ficreseij," %.4f", hf*eij[i][j][(int)age]);    powell(p,xi,npar,ftol,&iter,&fret,func);
       }  
     fprintf(ficreseij,"\n");    fclose(ficrespow);
     free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);    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));
   
 /************ Variance ******************/  }
 void varevsij(char fileres[], double ***vareij, double **matcov, double x[], double delti[], int nlstate, int stepm, double bage, double fage, double **oldm, double **savm, double **prlim, double ftolpl, int ij)  
 {  /**** Computes Hessian and covariance matrix ***/
   /* Variance of health expectancies */  void hesscov(double **matcov, double p[], int npar, double delti[], double ftolhess, double (*func)(double []))
   /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double ** savm,double ftolpl);*/  {
   double **newm;    double  **a,**y,*x,pd;
   double **dnewm,**doldm;    double **hess;
   int i, j, nhstepm, hstepm, h;    int i, j,jk;
   int k, cptcode;    int *indx;
    double *xp;  
   double **gp, **gm;    double hessii(double p[], double delta, int theta, double delti[]);
   double ***gradg, ***trgradg;    double hessij(double p[], double delti[], int i, int j);
   double ***p3mat;    void lubksb(double **a, int npar, int *indx, double b[]) ;
   double age,agelim;    void ludcmp(double **a, int npar, int *indx, double *d) ;
   int theta;  
     hess=matrix(1,npar,1,npar);
    fprintf(ficresvij,"# Covariances of life expectancies\n");  
   fprintf(ficresvij,"# Age");    printf("\nCalculation of the hessian matrix. Wait...\n");
   for(i=1; i<=nlstate;i++)    fprintf(ficlog,"\nCalculation of the hessian matrix. Wait...\n");
     for(j=1; j<=nlstate;j++)    for (i=1;i<=npar;i++){
       fprintf(ficresvij," Cov(e%1d, e%1d)",i,j);      printf("%d",i);fflush(stdout);
   fprintf(ficresvij,"\n");      fprintf(ficlog,"%d",i);fflush(ficlog);
       hess[i][i]=hessii(p,ftolhess,i,delti);
   xp=vector(1,npar);      /*printf(" %f ",p[i]);*/
   dnewm=matrix(1,nlstate,1,npar);      /*printf(" %lf ",hess[i][i]);*/
   doldm=matrix(1,nlstate,1,nlstate);    }
      
   hstepm=1*YEARM; /* Every year of age */    for (i=1;i<=npar;i++) {
   hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */      for (j=1;j<=npar;j++)  {
   agelim = AGESUP;        if (j>i) { 
   for (age=bage; age<=fage; age ++){ /* If stepm=6 months */          printf(".%d%d",i,j);fflush(stdout);
     nhstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */          fprintf(ficlog,".%d%d",i,j);fflush(ficlog);
     if (stepm >= YEARM) hstepm=1;          hess[i][j]=hessij(p,delti,i,j);
     nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */          hess[j][i]=hess[i][j];    
     p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);          /*printf(" %lf ",hess[i][j]);*/
     gradg=ma3x(0,nhstepm,1,npar,1,nlstate);        }
     gp=matrix(0,nhstepm,1,nlstate);      }
     gm=matrix(0,nhstepm,1,nlstate);    }
     printf("\n");
     for(theta=1; theta <=npar; theta++){    fprintf(ficlog,"\n");
       for(i=1; i<=npar; i++){ /* Computes gradient */  
         xp[i] = x[i] + (i==theta ?delti[theta]:0);    printf("\nInverting the hessian to get the covariance matrix. Wait...\n");
       }    fprintf(ficlog,"\nInverting the hessian to get the covariance matrix. Wait...\n");
       hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);      
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);    a=matrix(1,npar,1,npar);
       for(j=1; j<= nlstate; j++){    y=matrix(1,npar,1,npar);
         for(h=0; h<=nhstepm; h++){    x=vector(1,npar);
           for(i=1, gp[h][j]=0.;i<=nlstate;i++)    indx=ivector(1,npar);
             gp[h][j] += prlim[i][i]*p3mat[i][j][h];    for (i=1;i<=npar;i++)
         }      for (j=1;j<=npar;j++) a[i][j]=hess[i][j];
       }    ludcmp(a,npar,indx,&pd);
      
       for(i=1; i<=npar; i++) /* Computes gradient */    for (j=1;j<=npar;j++) {
         xp[i] = x[i] - (i==theta ?delti[theta]:0);      for (i=1;i<=npar;i++) x[i]=0;
       hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);        x[j]=1;
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);      lubksb(a,npar,indx,x);
       for(j=1; j<= nlstate; j++){      for (i=1;i<=npar;i++){ 
         for(h=0; h<=nhstepm; h++){        matcov[i][j]=x[i];
           for(i=1, gm[h][j]=0.;i<=nlstate;i++)      }
             gm[h][j] += prlim[i][i]*p3mat[i][j][h];    }
         }  
       }    printf("\n#Hessian matrix#\n");
       for(j=1; j<= nlstate; j++)    fprintf(ficlog,"\n#Hessian matrix#\n");
         for(h=0; h<=nhstepm; h++){    for (i=1;i<=npar;i++) { 
           gradg[h][theta][j]= (gp[h][j]-gm[h][j])/2./delti[theta];      for (j=1;j<=npar;j++) { 
         }        printf("%.3e ",hess[i][j]);
     } /* End theta */        fprintf(ficlog,"%.3e ",hess[i][j]);
       }
     trgradg =ma3x(0,nhstepm,1,nlstate,1,npar);      printf("\n");
       fprintf(ficlog,"\n");
     for(h=0; h<=nhstepm; h++)    }
       for(j=1; j<=nlstate;j++)  
         for(theta=1; theta <=npar; theta++)    /* Recompute Inverse */
           trgradg[h][j][theta]=gradg[h][theta][j];    for (i=1;i<=npar;i++)
       for (j=1;j<=npar;j++) a[i][j]=matcov[i][j];
     for(i=1;i<=nlstate;i++)    ludcmp(a,npar,indx,&pd);
       for(j=1;j<=nlstate;j++)  
         vareij[i][j][(int)age] =0.;    /*  printf("\n#Hessian matrix recomputed#\n");
     for(h=0;h<=nhstepm;h++){  
       for(k=0;k<=nhstepm;k++){    for (j=1;j<=npar;j++) {
         matprod2(dnewm,trgradg[h],1,nlstate,1,npar,1,npar,matcov);      for (i=1;i<=npar;i++) x[i]=0;
         matprod2(doldm,dnewm,1,nlstate,1,npar,1,nlstate,gradg[k]);      x[j]=1;
         for(i=1;i<=nlstate;i++)      lubksb(a,npar,indx,x);
           for(j=1;j<=nlstate;j++)      for (i=1;i<=npar;i++){ 
             vareij[i][j][(int)age] += doldm[i][j];        y[i][j]=x[i];
       }        printf("%.3e ",y[i][j]);
     }        fprintf(ficlog,"%.3e ",y[i][j]);
     h=1;      }
     if (stepm >= YEARM) h=stepm/YEARM;      printf("\n");
     fprintf(ficresvij,"%.0f ",age );      fprintf(ficlog,"\n");
     for(i=1; i<=nlstate;i++)    }
       for(j=1; j<=nlstate;j++){    */
         fprintf(ficresvij," %.4f", h*vareij[i][j][(int)age]);  
       }    free_matrix(a,1,npar,1,npar);
     fprintf(ficresvij,"\n");    free_matrix(y,1,npar,1,npar);
     free_matrix(gp,0,nhstepm,1,nlstate);    free_vector(x,1,npar);
     free_matrix(gm,0,nhstepm,1,nlstate);    free_ivector(indx,1,npar);
     free_ma3x(gradg,0,nhstepm,1,npar,1,nlstate);    free_matrix(hess,1,npar,1,npar);
     free_ma3x(trgradg,0,nhstepm,1,nlstate,1,npar);  
     free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);  
   } /* End age */  }
    
   free_vector(xp,1,npar);  /*************** hessian matrix ****************/
   free_matrix(doldm,1,nlstate,1,npar);  double hessii( double x[], double delta, int theta, double delti[])
   free_matrix(dnewm,1,nlstate,1,nlstate);  {
     int i;
 }    int l=1, lmax=20;
     double k1,k2;
 /************ Variance of prevlim ******************/    double p2[NPARMAX+1];
 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)    double res;
 {    double delt, delts, nkhi=10.,nkhif=1., khi=1.e-4;
   /* Variance of prevalence limit */    double fx;
   /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double ** savm,double ftolpl);*/    int k=0,kmax=10;
   double **newm;    double l1;
   double **dnewm,**doldm;  
   int i, j, nhstepm, hstepm;    fx=func(x);
   int k, cptcode;    for (i=1;i<=npar;i++) p2[i]=x[i];
   double *xp;    for(l=0 ; l <=lmax; l++){
   double *gp, *gm;      l1=pow(10,l);
   double **gradg, **trgradg;      delts=delt;
   double age,agelim;      for(k=1 ; k <kmax; k=k+1){
   int theta;        delt = delta*(l1*k);
            p2[theta]=x[theta] +delt;
   fprintf(ficresvpl,"# Standard deviation of prevalences limit\n");        k1=func(p2)-fx;
   fprintf(ficresvpl,"# Age");        p2[theta]=x[theta]-delt;
   for(i=1; i<=nlstate;i++)        k2=func(p2)-fx;
       fprintf(ficresvpl," %1d-%1d",i,i);        /*res= (k1-2.0*fx+k2)/delt/delt; */
   fprintf(ficresvpl,"\n");        res= (k1+k2)/delt/delt/2.; /* Divided by because L and not 2*L */
         
   xp=vector(1,npar);  #ifdef DEBUG
   dnewm=matrix(1,nlstate,1,npar);        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);
   doldm=matrix(1,nlstate,1,nlstate);        fprintf(ficlog,"%d %d k1=%.12e k2=%.12e xk1=%.12e xk2=%.12e delt=%.12e res=%.12e l=%d k=%d,fx=%.12e\n",theta,theta,k1,k2,x[theta]+delt,x[theta]-delt,delt,res, l, k,fx);
    #endif
   hstepm=1*YEARM; /* Every year of age */        /*if(fabs(k1-2.0*fx+k2) <1.e-13){ */
   hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */        if((k1 <khi/nkhi/2.) || (k2 <khi/nkhi/2.)){
   agelim = AGESUP;          k=kmax;
   for (age=bage; age<=fage; age ++){ /* If stepm=6 months */        }
     nhstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */        else if((k1 >khi/nkhif) || (k2 >khi/nkhif)){ /* Keeps lastvalue before 3.84/2 KHI2 5% 1d.f. */
     if (stepm >= YEARM) hstepm=1;          k=kmax; l=lmax*10.;
     nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */        }
     gradg=matrix(1,npar,1,nlstate);        else if((k1 >khi/nkhi) || (k2 >khi/nkhi)){ 
     gp=vector(1,nlstate);          delts=delt;
     gm=vector(1,nlstate);        }
       }
     for(theta=1; theta <=npar; theta++){    }
       for(i=1; i<=npar; i++){ /* Computes gradient */    delti[theta]=delts;
         xp[i] = x[i] + (i==theta ?delti[theta]:0);    return res; 
       }    
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);  }
       for(i=1;i<=nlstate;i++)  
         gp[i] = prlim[i][i];  double hessij( double x[], double delti[], int thetai,int thetaj)
      {
       for(i=1; i<=npar; i++) /* Computes gradient */    int i;
         xp[i] = x[i] - (i==theta ?delti[theta]:0);    int l=1, l1, lmax=20;
       prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);    double k1,k2,k3,k4,res,fx;
       for(i=1;i<=nlstate;i++)    double p2[NPARMAX+1];
         gm[i] = prlim[i][i];    int k;
   
       for(i=1;i<=nlstate;i++)    fx=func(x);
         gradg[theta][i]= (gp[i]-gm[i])/2./delti[theta];    for (k=1; k<=2; k++) {
     } /* End theta */      for (i=1;i<=npar;i++) p2[i]=x[i];
       p2[thetai]=x[thetai]+delti[thetai]/k;
     trgradg =matrix(1,nlstate,1,npar);      p2[thetaj]=x[thetaj]+delti[thetaj]/k;
       k1=func(p2)-fx;
     for(j=1; j<=nlstate;j++)    
       for(theta=1; theta <=npar; theta++)      p2[thetai]=x[thetai]+delti[thetai]/k;
         trgradg[j][theta]=gradg[theta][j];      p2[thetaj]=x[thetaj]-delti[thetaj]/k;
       k2=func(p2)-fx;
     for(i=1;i<=nlstate;i++)    
       varpl[i][(int)age] =0.;      p2[thetai]=x[thetai]-delti[thetai]/k;
     matprod2(dnewm,trgradg,1,nlstate,1,npar,1,npar,matcov);      p2[thetaj]=x[thetaj]+delti[thetaj]/k;
     matprod2(doldm,dnewm,1,nlstate,1,npar,1,nlstate,gradg);      k3=func(p2)-fx;
     for(i=1;i<=nlstate;i++)    
       varpl[i][(int)age] = doldm[i][i]; /* Covariances are useless */      p2[thetai]=x[thetai]-delti[thetai]/k;
       p2[thetaj]=x[thetaj]-delti[thetaj]/k;
     fprintf(ficresvpl,"%.0f ",age );      k4=func(p2)-fx;
     for(i=1; i<=nlstate;i++)      res=(k1-k2-k3+k4)/4.0/delti[thetai]*k/delti[thetaj]*k/2.; /* Because of L not 2*L */
       fprintf(ficresvpl," %.5f (%.5f)",prlim[i][i],sqrt(varpl[i][(int)age]));  #ifdef DEBUG
     fprintf(ficresvpl,"\n");      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);
     free_vector(gp,1,nlstate);      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);
     free_vector(gm,1,nlstate);  #endif
     free_matrix(gradg,1,npar,1,nlstate);    }
     free_matrix(trgradg,1,nlstate,1,npar);    return res;
   } /* End age */  }
   
   free_vector(xp,1,npar);  /************** Inverse of matrix **************/
   free_matrix(doldm,1,nlstate,1,npar);  void ludcmp(double **a, int n, int *indx, double *d) 
   free_matrix(dnewm,1,nlstate,1,nlstate);  { 
     int i,imax,j,k; 
 }    double big,dum,sum,temp; 
     double *vv; 
    
     vv=vector(1,n); 
 /***********************************************/    *d=1.0; 
 /**************** Main Program *****************/    for (i=1;i<=n;i++) { 
 /***********************************************/      big=0.0; 
       for (j=1;j<=n;j++) 
 /*int main(int argc, char *argv[])*/        if ((temp=fabs(a[i][j])) > big) big=temp; 
 int main()      if (big == 0.0) nrerror("Singular matrix in routine ludcmp"); 
 {      vv[i]=1.0/big; 
     } 
   int i,j, k, n=MAXN,iter,m,size,cptcode, cptcod;    for (j=1;j<=n;j++) { 
   double agedeb, agefin,hf;      for (i=1;i<j;i++) { 
   double agemin=1.e20, agemax=-1.e20;        sum=a[i][j]; 
         for (k=1;k<i;k++) sum -= a[i][k]*a[k][j]; 
   double fret;        a[i][j]=sum; 
   double **xi,tmp,delta;      } 
       big=0.0; 
   double dum; /* Dummy variable */      for (i=j;i<=n;i++) { 
   double ***p3mat;        sum=a[i][j]; 
   int *indx;        for (k=1;k<j;k++) 
   char line[MAXLINE], linepar[MAXLINE];          sum -= a[i][k]*a[k][j]; 
   char title[MAXLINE];        a[i][j]=sum; 
   char optionfile[FILENAMELENGTH], datafile[FILENAMELENGTH],  filerespl[FILENAMELENGTH], optionfilehtm[FILENAMELENGTH];        if ( (dum=vv[i]*fabs(sum)) >= big) { 
   char fileres[FILENAMELENGTH], filerespij[FILENAMELENGTH], filereso[FILENAMELENGTH];          big=dum; 
   char filerest[FILENAMELENGTH];          imax=i; 
   char fileregp[FILENAMELENGTH];        } 
   char path[80],pathc[80],pathcd[80],pathtot[80],model[20];      } 
   int firstobs=1, lastobs=10;      if (j != imax) { 
   int sdeb, sfin; /* Status at beginning and end */        for (k=1;k<=n;k++) { 
   int c,  h , cpt,l;          dum=a[imax][k]; 
   int ju,jl, mi;          a[imax][k]=a[j][k]; 
   int i1,j1, k1,k2,k3,jk,aa,bb, stepsize, ij;          a[j][k]=dum; 
   int jnais,jdc,jint4,jint1,jint2,jint3,**outcome,**adl,*tab;        } 
          *d = -(*d); 
   int hstepm, nhstepm;        vv[imax]=vv[j]; 
   double bage, fage, age, agelim, agebase;      } 
   double ftolpl=FTOL;      indx[j]=imax; 
   double **prlim;      if (a[j][j] == 0.0) a[j][j]=TINY; 
   double *severity;      if (j != n) { 
   double ***param; /* Matrix of parameters */        dum=1.0/(a[j][j]); 
   double  *p;        for (i=j+1;i<=n;i++) a[i][j] *= dum; 
   double **matcov; /* Matrix of covariance */      } 
   double ***delti3; /* Scale */    } 
   double *delti; /* Scale */    free_vector(vv,1,n);  /* Doesn't work */
   double ***eij, ***vareij;  ;
   double **varpl; /* Variances of prevalence limits by age */  } 
   double *epj, vepp;  
   char version[80]="Imach version 62c, May 1999, INED-EUROREVES ";  void lubksb(double **a, int n, int *indx, double b[]) 
   char *alph[]={"a","a","b","c","d","e"}, str[4];  { 
     int i,ii=0,ip,j; 
   char z[1]="c", occ;    double sum; 
 #include <sys/time.h>   
 #include <time.h>    for (i=1;i<=n;i++) { 
   char stra[80], strb[80], strc[80], strd[80],stre[80],modelsav[80];      ip=indx[i]; 
   /* long total_usecs;      sum=b[ip]; 
   struct timeval start_time, end_time;      b[ip]=b[i]; 
        if (ii) 
   gettimeofday(&start_time, (struct timezone*)0); */ /* at first time */        for (j=ii;j<=i-1;j++) sum -= a[i][j]*b[j]; 
       else if (sum) ii=i; 
       b[i]=sum; 
   printf("\nIMACH, Version 0.64b");    } 
   printf("\nEnter the parameter file name: ");    for (i=n;i>=1;i--) { 
       sum=b[i]; 
 #ifdef windows      for (j=i+1;j<=n;j++) sum -= a[i][j]*b[j]; 
   scanf("%s",pathtot);      b[i]=sum/a[i][i]; 
   getcwd(pathcd, size);    } 
   /*cygwin_split_path(pathtot,path,optionfile);  } 
     printf("pathtot=%s, path=%s, optionfile=%s\n",pathtot,path,optionfile);*/  
   /* cutv(path,optionfile,pathtot,'\\');*/  /************ Frequencies ********************/
   void  freqsummary(char fileres[], int iagemin, int iagemax, int **s, double **agev, int nlstate, int imx, int *Tvaraff, int **nbcode, int *ncodemax,double **mint,double **anint)
 split(pathtot, path,optionfile);  {  /* Some frequencies */
   chdir(path);    
   replace(pathc,path);    int i, m, jk, k1,i1, j1, bool, z1,z2,j;
 #endif    int first;
 #ifdef unix    double ***freq; /* Frequencies */
   scanf("%s",optionfile);    double *pp, **prop;
 #endif    double pos,posprop, k2, dateintsum=0,k2cpt=0;
     FILE *ficresp;
 /*-------- arguments in the command line --------*/    char fileresp[FILENAMELENGTH];
     
   strcpy(fileres,"r");    pp=vector(1,nlstate);
   strcat(fileres, optionfile);    prop=matrix(1,nlstate,iagemin,iagemax+3);
     strcpy(fileresp,"p");
   /*---------arguments file --------*/    strcat(fileresp,fileres);
     if((ficresp=fopen(fileresp,"w"))==NULL) {
   if((ficpar=fopen(optionfile,"r"))==NULL)    {      printf("Problem with prevalence resultfile: %s\n", fileresp);
     printf("Problem with optionfile %s\n",optionfile);      fprintf(ficlog,"Problem with prevalence resultfile: %s\n", fileresp);
     goto end;      exit(0);
   }    }
     freq= ma3x(-1,nlstate+ndeath,-1,nlstate+ndeath,iagemin,iagemax+3);
   strcpy(filereso,"o");    j1=0;
   strcat(filereso,fileres);    
   if((ficparo=fopen(filereso,"w"))==NULL) {    j=cptcoveff;
     printf("Problem with Output resultfile: %s\n", filereso);goto end;    if (cptcovn<1) {j=1;ncodemax[1]=1;}
   }  
     first=1;
   /* Reads comments: lines beginning with '#' */  
   while((c=getc(ficpar))=='#' && c!= EOF){    for(k1=1; k1<=j;k1++){
     ungetc(c,ficpar);      for(i1=1; i1<=ncodemax[k1];i1++){
     fgets(line, MAXLINE, ficpar);        j1++;
     puts(line);        /*printf("cptcoveff=%d Tvaraff=%d", cptcoveff,Tvaraff[1]);
     fputs(line,ficparo);          scanf("%d", i);*/
   }        for (i=-1; i<=nlstate+ndeath; i++)  
   ungetc(c,ficpar);          for (jk=-1; jk<=nlstate+ndeath; jk++)  
             for(m=iagemin; m <= iagemax+3; m++)
   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);              freq[i][jk][m]=0;
   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);      for (i=1; i<=nlstate; i++)  
         for(m=iagemin; m <= iagemax+3; m++)
   covar=matrix(0,NCOVMAX,1,n);          prop[i][m]=0;
   cptcovn=0;        
   if (strlen(model)>1) cptcovn=nbocc(model,'+')+1;        dateintsum=0;
         k2cpt=0;
   ncovmodel=2+cptcovn;        for (i=1; i<=imx; i++) {
   nvar=ncovmodel-1; /* Suppressing age as a basic covariate */          bool=1;
            if  (cptcovn>0) {
   /* Read guess parameters */            for (z1=1; z1<=cptcoveff; z1++) 
   /* Reads comments: lines beginning with '#' */              if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtab[j1][z1]]) 
   while((c=getc(ficpar))=='#' && c!= EOF){                bool=0;
     ungetc(c,ficpar);          }
     fgets(line, MAXLINE, ficpar);          if (bool==1){
     puts(line);            for(m=firstpass; m<=lastpass; m++){
     fputs(line,ficparo);              k2=anint[m][i]+(mint[m][i]/12.);
   }              /*if ((k2>=dateprev1) && (k2<=dateprev2)) {*/
   ungetc(c,ficpar);                if(agev[m][i]==0) agev[m][i]=iagemax+1;
                  if(agev[m][i]==1) agev[m][i]=iagemax+2;
   param= ma3x(1,nlstate,1,nlstate+ndeath-1,1,ncovmodel);                if (s[m][i]>0 && s[m][i]<=nlstate) prop[s[m][i]][(int)agev[m][i]] += weight[i];
     for(i=1; i <=nlstate; i++)                if (m<lastpass) {
     for(j=1; j <=nlstate+ndeath-1; j++){                  freq[s[m][i]][s[m+1][i]][(int)agev[m][i]] += weight[i];
       fscanf(ficpar,"%1d%1d",&i1,&j1);                  freq[s[m][i]][s[m+1][i]][iagemax+3] += weight[i];
       fprintf(ficparo,"%1d%1d",i1,j1);                }
       printf("%1d%1d",i,j);                
       for(k=1; k<=ncovmodel;k++){                if ((agev[m][i]>1) && (agev[m][i]< (iagemax+3))) {
         fscanf(ficpar," %lf",&param[i][j][k]);                  dateintsum=dateintsum+k2;
         printf(" %lf",param[i][j][k]);                  k2cpt++;
         fprintf(ficparo," %lf",param[i][j][k]);                }
       }                /*}*/
       fscanf(ficpar,"\n");            }
       printf("\n");          }
       fprintf(ficparo,"\n");        }
     }         
          /*      fprintf(ficresp, "#Count between %.lf/%.lf/%.lf and %.lf/%.lf/%.lf\n",jprev1, mprev1,anprev1,jprev2, mprev2,anprev2);*/
   npar= (nlstate+ndeath-1)*nlstate*ncovmodel;  
   p=param[1][1];        if  (cptcovn>0) {
            fprintf(ficresp, "\n#********** Variable "); 
   /* Reads comments: lines beginning with '#' */          for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresp, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
   while((c=getc(ficpar))=='#' && c!= EOF){          fprintf(ficresp, "**********\n#");
     ungetc(c,ficpar);        }
     fgets(line, MAXLINE, ficpar);        for(i=1; i<=nlstate;i++) 
     puts(line);          fprintf(ficresp, " Age Prev(%d) N(%d) N",i,i);
     fputs(line,ficparo);        fprintf(ficresp, "\n");
   }        
   ungetc(c,ficpar);        for(i=iagemin; i <= iagemax+3; i++){
           if(i==iagemax+3){
   delti3= ma3x(1,nlstate,1,nlstate+ndeath-1,1,ncovmodel);            fprintf(ficlog,"Total");
   delti=vector(1,npar); /* Scale of each paramater (output from hesscov) */          }else{
   for(i=1; i <=nlstate; i++){            if(first==1){
     for(j=1; j <=nlstate+ndeath-1; j++){              first=0;
       fscanf(ficpar,"%1d%1d",&i1,&j1);              printf("See log file for details...\n");
       printf("%1d%1d",i,j);            }
       fprintf(ficparo,"%1d%1d",i1,j1);            fprintf(ficlog,"Age %d", i);
       for(k=1; k<=ncovmodel;k++){          }
         fscanf(ficpar,"%le",&delti3[i][j][k]);          for(jk=1; jk <=nlstate ; jk++){
         printf(" %le",delti3[i][j][k]);            for(m=-1, pp[jk]=0; m <=nlstate+ndeath ; m++)
         fprintf(ficparo," %le",delti3[i][j][k]);              pp[jk] += freq[jk][m][i]; 
       }          }
       fscanf(ficpar,"\n");          for(jk=1; jk <=nlstate ; jk++){
       printf("\n");            for(m=-1, pos=0; m <=0 ; m++)
       fprintf(ficparo,"\n");              pos += freq[jk][m][i];
     }            if(pp[jk]>=1.e-10){
   }              if(first==1){
   delti=delti3[1][1];              printf(" %d.=%.0f loss[%d]=%.1f%%",jk,pp[jk],jk,100*pos/pp[jk]);
                }
   /* Reads comments: lines beginning with '#' */              fprintf(ficlog," %d.=%.0f loss[%d]=%.1f%%",jk,pp[jk],jk,100*pos/pp[jk]);
   while((c=getc(ficpar))=='#' && c!= EOF){            }else{
     ungetc(c,ficpar);              if(first==1)
     fgets(line, MAXLINE, ficpar);                printf(" %d.=%.0f loss[%d]=NaNQ%%",jk,pp[jk],jk);
     puts(line);              fprintf(ficlog," %d.=%.0f loss[%d]=NaNQ%%",jk,pp[jk],jk);
     fputs(line,ficparo);            }
   }          }
   ungetc(c,ficpar);  
            for(jk=1; jk <=nlstate ; jk++){
   matcov=matrix(1,npar,1,npar);            for(m=0, pp[jk]=0; m <=nlstate+ndeath; m++)
   for(i=1; i <=npar; i++){              pp[jk] += freq[jk][m][i];
     fscanf(ficpar,"%s",&str);          }       
     printf("%s",str);          for(jk=1,pos=0,posprop=0; jk <=nlstate ; jk++){
     fprintf(ficparo,"%s",str);            pos += pp[jk];
     for(j=1; j <=i; j++){            posprop += prop[jk][i];
       fscanf(ficpar," %le",&matcov[i][j]);          }
       printf(" %.5le",matcov[i][j]);          for(jk=1; jk <=nlstate ; jk++){
       fprintf(ficparo," %.5le",matcov[i][j]);            if(pos>=1.e-5){
     }              if(first==1)
     fscanf(ficpar,"\n");                printf(" %d.=%.0f prev[%d]=%.1f%%",jk,pp[jk],jk,100*pp[jk]/pos);
     printf("\n");              fprintf(ficlog," %d.=%.0f prev[%d]=%.1f%%",jk,pp[jk],jk,100*pp[jk]/pos);
     fprintf(ficparo,"\n");            }else{
   }              if(first==1)
   for(i=1; i <=npar; i++)                printf(" %d.=%.0f prev[%d]=NaNQ%%",jk,pp[jk],jk);
     for(j=i+1;j<=npar;j++)              fprintf(ficlog," %d.=%.0f prev[%d]=NaNQ%%",jk,pp[jk],jk);
       matcov[i][j]=matcov[j][i];            }
                if( i <= iagemax){
   printf("\n");              if(pos>=1.e-5){
                 fprintf(ficresp," %d %.5f %.0f %.0f",i,prop[jk][i]/posprop, prop[jk][i],posprop);
                 /*probs[i][jk][j1]= pp[jk]/pos;*/
     /*-------- data file ----------*/                /*printf("\ni=%d jk=%d j1=%d %.5f %.0f %.0f %f",i,jk,j1,pp[jk]/pos, pp[jk],pos,probs[i][jk][j1]);*/
     if((ficres =fopen(fileres,"w"))==NULL) {              }
       printf("Problem with resultfile: %s\n", fileres);goto end;              else
     }                fprintf(ficresp," %d NaNq %.0f %.0f",i,prop[jk][i],posprop);
     fprintf(ficres,"#%s\n",version);            }
              }
     if((fic=fopen(datafile,"r"))==NULL)    {          
       printf("Problem with datafile: %s\n", datafile);goto end;          for(jk=-1; jk <=nlstate+ndeath; jk++)
     }            for(m=-1; m <=nlstate+ndeath; m++)
               if(freq[jk][m][i] !=0 ) {
     n= lastobs;              if(first==1)
     severity = vector(1,maxwav);                printf(" %d%d=%.0f",jk,m,freq[jk][m][i]);
     outcome=imatrix(1,maxwav+1,1,n);                fprintf(ficlog," %d%d=%.0f",jk,m,freq[jk][m][i]);
     num=ivector(1,n);              }
     moisnais=vector(1,n);          if(i <= iagemax)
     annais=vector(1,n);            fprintf(ficresp,"\n");
     moisdc=vector(1,n);          if(first==1)
     andc=vector(1,n);            printf("Others in log...\n");
     agedc=vector(1,n);          fprintf(ficlog,"\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);    dateintmean=dateintsum/k2cpt; 
     anint=matrix(1,maxwav,1,n);   
     s=imatrix(1,maxwav+1,1,n);    fclose(ficresp);
     adl=imatrix(1,maxwav+1,1,n);        free_ma3x(freq,-1,nlstate+ndeath,-1,nlstate+ndeath, iagemin, iagemax+3);
     tab=ivector(1,NCOVMAX);    free_vector(pp,1,nlstate);
     ncodemax=ivector(1,8);    free_matrix(prop,1,nlstate,iagemin, iagemax+3);
     /* End of Freq */
     i=1;  }
     while (fgets(line, MAXLINE, fic) != NULL)    {  
       if ((i >= firstobs) && (i <=lastobs)) {  /************ Prevalence ********************/
          void prevalence(double ***probs, double agemin, double agemax, int **s, double **agev, int nlstate, int imx, int *Tvar, int **nbcode, int *ncodemax,double **mint,double **anint, double dateprev1,double dateprev2, int firstpass, int lastpass)
         for (j=maxwav;j>=1;j--){  {  
           cutv(stra, strb,line,' '); s[j][i]=atoi(strb);    /* Compute observed prevalence between dateprev1 and dateprev2 by counting the number of people
           strcpy(line,stra);       in each health status at the date of interview (if between dateprev1 and dateprev2).
           cutv(stra, strb,line,'/'); anint[j][i]=(double)(atoi(strb)); strcpy(line,stra);       We still use firstpass and lastpass as another selection.
           cutv(stra, strb,line,' '); mint[j][i]=(double)(atoi(strb)); strcpy(line,stra);    */
         }   
            int i, m, jk, k1, i1, j1, bool, z1,z2,j;
         cutv(stra, strb,line,'/'); andc[i]=(double)(atoi(strb)); strcpy(line,stra);    double ***freq; /* Frequencies */
         cutv(stra, strb,line,' '); moisdc[i]=(double)(atoi(strb)); strcpy(line,stra);    double *pp, **prop;
     double pos,posprop; 
         cutv(stra, strb,line,'/'); annais[i]=(double)(atoi(strb)); strcpy(line,stra);    double  y2; /* in fractional years */
         cutv(stra, strb,line,' '); moisnais[i]=(double)(atoi(strb)); strcpy(line,stra);    int iagemin, iagemax;
   
         cutv(stra, strb,line,' '); weight[i]=(double)(atoi(strb)); strcpy(line,stra);    iagemin= (int) agemin;
         for (j=ncov;j>=1;j--){    iagemax= (int) agemax;
           cutv(stra, strb,line,' '); covar[j][i]=(double)(atoi(strb)); strcpy(line,stra);    /*pp=vector(1,nlstate);*/
         }    prop=matrix(1,nlstate,iagemin,iagemax+3); 
         num[i]=atol(stra);    /*  freq=ma3x(-1,nlstate+ndeath,-1,nlstate+ndeath,iagemin,iagemax+3);*/
     j1=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]));*/    
     j=cptcoveff;
         i=i+1;    if (cptcovn<1) {j=1;ncodemax[1]=1;}
       }    
     }    for(k1=1; k1<=j;k1++){
       for(i1=1; i1<=ncodemax[k1];i1++){
     /*scanf("%d",i);*/        j1++;
   imx=i-1; /* Number of individuals */        
         for (i=1; i<=nlstate; i++)  
   /* Calculation of the number of parameter from char model*/          for(m=iagemin; m <= iagemax+3; m++)
   Tvar=ivector(1,15);            prop[i][m]=0.0;
   Tprod=ivector(1,15);       
   Tvaraff=ivector(1,15);        for (i=1; i<=imx; i++) { /* Each individual */
   Tvard=imatrix(1,15,1,2);          bool=1;
   Tage=ivector(1,15);                if  (cptcovn>0) {
                for (z1=1; z1<=cptcoveff; z1++) 
   if (strlen(model) >1){              if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtab[j1][z1]]) 
     j=0, j1=0, k1=1, k2=1;                bool=0;
     j=nbocc(model,'+');          } 
     j1=nbocc(model,'*');          if (bool==1) { 
     cptcovn=j+1;            for(m=firstpass; m<=lastpass; m++){/* Other selection (we can limit to certain interviews*/
     cptcovprod=j1;              y2=anint[m][i]+(mint[m][i]/12.); /* Fractional date in year */
                  if ((y2>=dateprev1) && (y2<=dateprev2)) { /* Here is the main selection (fractional years) */
                    if(agev[m][i]==0) agev[m][i]=iagemax+1;
     strcpy(modelsav,model);                if(agev[m][i]==1) agev[m][i]=iagemax+2;
     if ((strcmp(model,"age")==0) || (strcmp(model,"age*age")==0)){                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); 
       printf("Error. Non available option model=%s ",model);                if (s[m][i]>0 && s[m][i]<=nlstate) { 
       goto end;                  /*if(i>4620) printf(" i=%d m=%d s[m][i]=%d (int)agev[m][i]=%d weight[i]=%f prop=%f\n",i,m,s[m][i],(int)agev[m][m],weight[i],prop[s[m][i]][(int)agev[m][i]]);*/
     }                  prop[s[m][i]][(int)agev[m][i]] += weight[i];
                      prop[s[m][i]][iagemax+3] += weight[i]; 
     for(i=(j+1); i>=1;i--){                } 
       cutv(stra,strb,modelsav,'+');              }
       if (nbocc(modelsav,'+')==0) strcpy(strb,modelsav);            } /* end selection of waves */
       /*      printf("i=%d a=%s b=%s sav=%s\n",i, stra,strb,modelsav);*/          }
       /*scanf("%d",i);*/        }
       if (strchr(strb,'*')) {        for(i=iagemin; i <= iagemax+3; i++){  
         cutv(strd,strc,strb,'*');          
         if (strcmp(strc,"age")==0) {          for(jk=1,posprop=0; jk <=nlstate ; jk++) { 
           cptcovprod--;            posprop += prop[jk][i]; 
           cutv(strb,stre,strd,'V');          } 
           Tvar[i]=atoi(stre);  
           cptcovage++;          for(jk=1; jk <=nlstate ; jk++){     
             Tage[cptcovage]=i;            if( i <=  iagemax){ 
             /*printf("stre=%s ", stre);*/              if(posprop>=1.e-5){ 
         }                probs[i][jk][j1]= prop[jk][i]/posprop;
         else if (strcmp(strd,"age")==0) {              } 
           cptcovprod--;            } 
           cutv(strb,stre,strc,'V');          }/* end jk */ 
           Tvar[i]=atoi(stre);        }/* end i */ 
           cptcovage++;      } /* end i1 */
           Tage[cptcovage]=i;    } /* end k1 */
         }    
         else {    /*  free_ma3x(freq,-1,nlstate+ndeath,-1,nlstate+ndeath, iagemin, iagemax+3);*/
           cutv(strb,stre,strc,'V');    /*free_vector(pp,1,nlstate);*/
           Tvar[i]=ncov+k1;    free_matrix(prop,1,nlstate, iagemin,iagemax+3);
           cutv(strb,strc,strd,'V');  }  /* End of prevalence */
           Tprod[k1]=i;  
           Tvard[k1][1]=atoi(strc);  /************* Waves Concatenation ***************/
           Tvard[k1][2]=atoi(stre);  
           Tvar[cptcovn+k2]=Tvard[k1][1];  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)
           Tvar[cptcovn+k2+1]=Tvard[k1][2];  {
           for (k=1; k<=lastobs;k++)    /* Concatenates waves: wav[i] is the number of effective (useful waves) of individual i.
             covar[ncov+k1][k]=covar[atoi(stre)][k]*covar[atoi(strc)][k];       Death is a valid wave (if date is known).
           k1++;       mw[mi][i] is the mi (mi=1 to wav[i])  effective wave of individual i
           k2=k2+2;       dh[m][i] or dh[mw[mi][i]][i] is the delay between two effective waves m=mw[mi][i]
         }       and mw[mi+1][i]. dh depends on stepm.
       }       */
       else {  
         /*printf("d=%s c=%s b=%s\n", strd,strc,strb);*/    int i, mi, m;
        /*  scanf("%d",i);*/    /* int j, k=0,jk, ju, jl,jmin=1e+5, jmax=-1;
       cutv(strd,strc,strb,'V');       double sum=0., jmean=0.;*/
       Tvar[i]=atoi(strc);    int first;
       }    int j, k=0,jk, ju, jl;
       strcpy(modelsav,stra);      double sum=0.;
       /*printf("a=%s b=%s sav=%s\n", stra,strb,modelsav);    first=0;
         scanf("%d",i);*/    jmin=1e+5;
     }    jmax=-1;
 }    jmean=0.;
      for(i=1; i<=imx; i++){
   /*printf("tvar1=%d tvar2=%d tvar3=%d cptcovage=%d Tage=%d",Tvar[1],Tvar[2],Tvar[3],cptcovage,Tage[1]);      mi=0;
   printf("cptcovprod=%d ", cptcovprod);      m=firstpass;
   scanf("%d ",i);*/      while(s[m][i] <= nlstate){
     fclose(fic);        if(s[m][i]>=1)
           mw[++mi][i]=m;
     /*  if(mle==1){*/        if(m >=lastpass)
     if (weightopt != 1) { /* Maximisation without weights*/          break;
       for(i=1;i<=n;i++) weight[i]=1.0;        else
     }          m++;
     /*-calculation of age at interview from date of interview and age at death -*/      }/* end while */
     agev=matrix(1,maxwav,1,imx);      if (s[m][i] > nlstate){
            mi++;     /* Death is another wave */
     for (i=1; i<=imx; i++)  {        /* if(mi==0)  never been interviewed correctly before death */
       agedc[i]=(moisdc[i]/12.+andc[i])-(moisnais[i]/12.+annais[i]);           /* Only death is a correct wave */
       for(m=1; (m<= maxwav); m++){        mw[mi][i]=m;
         if(s[m][i] >0){      }
           if (s[m][i] == nlstate+1) {  
             if(agedc[i]>0)      wav[i]=mi;
               if(moisdc[i]!=99 && andc[i]!=9999)      if(mi==0){
               agev[m][i]=agedc[i];        if(first==0){
             else {          printf("Warning! None valid information for:%ld line=%d (skipped) and may be others, see log file\n",num[i],i);
               if (andc[i]!=9999){          first=1;
               printf("Warning negative age at death: %d line:%d\n",num[i],i);        }
               agev[m][i]=-1;        if(first==1){
               }          fprintf(ficlog,"Warning! None valid information for:%ld line=%d (skipped)\n",num[i],i);
             }        }
           }      } /* end mi==0 */
           else if(s[m][i] !=9){ /* Should no more exist */    } /* End individuals */
             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)    for(i=1; i<=imx; i++){
               agev[m][i]=1;      for(mi=1; mi<wav[i];mi++){
             else if(agev[m][i] <agemin){        if (stepm <=0)
               agemin=agev[m][i];          dh[mi][i]=1;
               /*printf(" Min anint[%d][%d]=%.2f annais[%d]=%.2f, agemin=%.2f\n",m,i,anint[m][i], i,annais[i], agemin);*/        else{
             }          if (s[mw[mi+1][i]][i] > nlstate) { /* A death */
             else if(agev[m][i] >agemax){            if (agedc[i] < 2*AGESUP) {
               agemax=agev[m][i];              j= rint(agedc[i]*12-agev[mw[mi][i]][i]*12); 
              /* printf(" anint[%d][%d]=%.0f annais[%d]=%.0f, agemax=%.0f\n",m,i,anint[m][i], i,annais[i], agemax);*/              if(j==0) j=1;  /* Survives at least one month after exam */
             }              else if(j<0){
             /*agev[m][i]=anint[m][i]-annais[i];*/                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]);
             /*   agev[m][i] = age[i]+2*m;*/                j=1; /* Careful Patch */
           }                printf("   We assumed that the date of interview was correct (and not the date of death) and postponed the death %d month(s) (one stepm) after the interview.\n  You MUST fix the contradiction between dates.\n",stepm);
           else { /* =9 */                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]);
             agev[m][i]=1;                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);
             s[m][i]=-1;              }
           }              k=k+1;
         }              if (j >= jmax) jmax=j;
         else /*= 0 Unknown */              if (j <= jmin) jmin=j;
           agev[m][i]=1;              sum=sum+j;
       }              /*if (j<0) printf("j=%d num=%d \n",j,i);*/
                  /*    printf("%d %d %d %d\n", s[mw[mi][i]][i] ,s[mw[mi+1][i]][i],j,i);*/
     }            }
     for (i=1; i<=imx; i++)  {          }
       for(m=1; (m<= maxwav); m++){          else{
         if (s[m][i] > (nlstate+ndeath)) {            j= rint( (agev[mw[mi+1][i]][i]*12 - agev[mw[mi][i]][i]*12));
           printf("Error: Wrong value in nlstate or ndeath\n");              /*      printf("%d %d %d %d\n", s[mw[mi][i]][i] ,s[mw[mi+1][i]][i],j,i);*/
           goto end;            k=k+1;
         }            if (j >= jmax) jmax=j;
       }            else if (j <= jmin)jmin=j;
     }            /*        if (j<10) printf("j=%d jmin=%d num=%d ",j,jmin,i); */
             /*printf("%d %lf %d %d %d\n", i,agev[mw[mi][i]][i],j,s[mw[mi][i]][i] ,s[mw[mi+1][i]][i]);*/
 printf("Total number of individuals= %d, Agemin = %.2f, Agemax= %.2f\n\n", imx, agemin, agemax);            if(j<0){
               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]);
     free_vector(severity,1,maxwav);              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]);
     free_imatrix(outcome,1,maxwav+1,1,n);            }
     free_vector(moisnais,1,n);            sum=sum+j;
     free_vector(annais,1,n);          }
     free_matrix(mint,1,maxwav,1,n);          jk= j/stepm;
     free_matrix(anint,1,maxwav,1,n);          jl= j -jk*stepm;
     free_vector(moisdc,1,n);          ju= j -(jk+1)*stepm;
     free_vector(andc,1,n);          if(mle <=1){ /* only if we use a the linear-interpoloation pseudo-likelihood */
             if(jl==0){
                  dh[mi][i]=jk;
     wav=ivector(1,imx);              bh[mi][i]=0;
     dh=imatrix(1,lastpass-firstpass+1,1,imx);            }else{ /* We want a negative bias in order to only have interpolation ie
     mw=imatrix(1,lastpass-firstpass+1,1,imx);                    * at the price of an extra matrix product in likelihood */
                  dh[mi][i]=jk+1;
     /* Concatenates waves */              bh[mi][i]=ju;
       concatwav(wav, dh, mw, s, agedc, agev,  firstpass, lastpass, imx, nlstate, stepm);            }
           }else{
             if(jl <= -ju){
       Tcode=ivector(1,100);              dh[mi][i]=jk;
       nbcode=imatrix(0,NCOVMAX,0,NCOVMAX);              bh[mi][i]=jl;       /* bias is positive if real duration
       ncodemax[1]=1;                                   * is higher than the multiple of stepm and negative otherwise.
       if (cptcovn > 0) tricode(Tvar,nbcode,imx);                                   */
                  }
    codtab=imatrix(1,100,1,10);            else{
    h=0;              dh[mi][i]=jk+1;
    m=pow(2,cptcoveff);              bh[mi][i]=ju;
              }
    for(k=1;k<=cptcoveff; k++){            if(dh[mi][i]==0){
      for(i=1; i <=(m/pow(2,k));i++){              dh[mi][i]=1; /* At least one step */
        for(j=1; j <= ncodemax[k]; j++){              bh[mi][i]=ju; /* At least one step */
          for(cpt=1; cpt <=(m/pow(2,cptcoveff+1-k)); cpt++){              /*  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);*/
            h++;            }
            if (h>m) h=1;codtab[h][k]=j;          } /* end if mle */
          }        }
        }      } /* end wave */
      }    }
    }    jmean=sum/k;
     printf("Delay (in months) between two waves Min=%d Max=%d Mean=%f\n\n ",jmin, jmax,jmean);
     fprintf(ficlog,"Delay (in months) between two waves Min=%d Max=%d Mean=%f\n\n ",jmin, jmax,jmean);
    /*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);  /*********** Tricode ****************************/
      }  void tricode(int *Tvar, int **nbcode, int imx)
      printf("\n");  {
    }    
    scanf("%d",i);*/    int Ndum[20],ij=1, k, j, i, maxncov=19;
        int cptcode=0;
    /* Calculates basic frequencies. Computes observed prevalence at single age    cptcoveff=0; 
        and prints on file fileres'p'. */   
   freqsummary(fileres, agemin, agemax, s, agev, nlstate, imx,Tvar,nbcode, ncodemax);    for (k=0; k<maxncov; k++) Ndum[k]=0;
     for (k=1; k<=7; k++) ncodemax[k]=0;
     pmmij= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */  
     oldms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */    for (j=1; j<=(cptcovn+2*cptcovprod); j++) {
     newms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */      for (i=1; i<=imx; i++) { /*reads the data file to get the maximum 
     savms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */                                 modality*/ 
     oldm=oldms; newm=newms; savm=savms; /* Keeps fixed addresses to free */        ij=(int)(covar[Tvar[j]][i]); /* ij is the modality of this individual*/
            Ndum[ij]++; /*store the modality */
     /* For Powell, parameters are in a vector p[] starting at p[1]        /*printf("i=%d ij=%d Ndum[ij]=%d imx=%d",i,ij,Ndum[ij],imx);*/
        so we point p on param[1][1] so that p[1] maps on param[1][1][1] */        if (ij > cptcode) cptcode=ij; /* getting the maximum of covariable 
     p=param[1][1]; /* *(*(*(param +1)+1)+0) */                                         Tvar[j]. If V=sex and male is 0 and 
                                          female is 1, then  cptcode=1.*/
     if(mle==1){      }
     mlikeli(ficres,p, npar, ncovmodel, nlstate, ftol, func);  
     }      for (i=0; i<=cptcode; 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 */
     /*--------- results files --------------*/      }
     fprintf(ficres,"\ntitle=%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);  
          ij=1; 
    jk=1;      for (i=1; i<=ncodemax[j]; i++) {
    fprintf(ficres,"# Parameters\n");        for (k=0; k<= maxncov; k++) {
    printf("# Parameters\n");          if (Ndum[k] != 0) {
    for(i=1,jk=1; i <=nlstate; i++){            nbcode[Tvar[j]][ij]=k; 
      for(k=1; k <=(nlstate+ndeath); 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 (k != i)            
          {            ij++;
            printf("%d%d ",i,k);          }
            fprintf(ficres,"%1d%1d ",i,k);          if (ij > ncodemax[j]) break; 
            for(j=1; j <=ncovmodel; j++){        }  
              printf("%f ",p[jk]);      } 
              fprintf(ficres,"%f ",p[jk]);    }  
              jk++;  
            }   for (k=0; k< maxncov; k++) Ndum[k]=0;
            printf("\n");  
            fprintf(ficres,"\n");   for (i=1; i<=ncovmodel-2; i++) { 
          }     /* 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]++;
  if(mle==1){   }
     /* Computing hessian and covariance matrix */  
     ftolhess=ftol; /* Usually correct */   ij=1;
     hesscov(matcov, p, npar, delti, ftolhess, func);   for (i=1; i<= maxncov; i++) {
  }     if((Ndum[i]!=0) && (i<=ncovcol)){
     fprintf(ficres,"# Scales\n");       Tvaraff[ij]=i; /*For printing */
     printf("# Scales\n");       ij++;
      for(i=1,jk=1; i <=nlstate; i++){     }
       for(j=1; j <=nlstate+ndeath; j++){   }
         if (j!=i) {   
           fprintf(ficres,"%1d%1d",i,j);   cptcoveff=ij-1; /*Number of simple covariates*/
           printf("%1d%1d",i,j);  }
           for(k=1; k<=ncovmodel;k++){  
             printf(" %.5e",delti[jk]);  /*********** Health Expectancies ****************/
             fprintf(ficres," %.5e",delti[jk]);  
             jk++;  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 )
           }  
           printf("\n");  {
           fprintf(ficres,"\n");    /* Health expectancies */
         }    int i, j, nhstepm, hstepm, h, nstepm, k, cptj;
       }    double age, agelim, hf;
       }    double ***p3mat,***varhe;
        double **dnewm,**doldm;
     k=1;    double *xp;
     fprintf(ficres,"# Covariance\n");    double **gp, **gm;
     printf("# Covariance\n");    double ***gradg, ***trgradg;
     for(i=1;i<=npar;i++){    int theta;
       /*  if (k>nlstate) k=1;  
       i1=(i-1)/(ncovmodel*nlstate)+1;    varhe=ma3x(1,nlstate*nlstate,1,nlstate*nlstate,(int) bage, (int) fage);
       fprintf(ficres,"%s%d%d",alph[k],i1,tab[i]);    xp=vector(1,npar);
       printf("%s%d%d",alph[k],i1,tab[i]);*/    dnewm=matrix(1,nlstate*nlstate,1,npar);
       fprintf(ficres,"%3d",i);    doldm=matrix(1,nlstate*nlstate,1,nlstate*nlstate);
       printf("%3d",i);    
       for(j=1; j<=i;j++){    fprintf(ficreseij,"# Health expectancies\n");
         fprintf(ficres," %.5e",matcov[i][j]);    fprintf(ficreseij,"# Age");
         printf(" %.5e",matcov[i][j]);    for(i=1; i<=nlstate;i++)
       }      for(j=1; j<=nlstate;j++)
       fprintf(ficres,"\n");        fprintf(ficreseij," %1d-%1d (SE)",i,j);
       printf("\n");    fprintf(ficreseij,"\n");
       k++;  
     }    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);    /* We compute the life expectancy from trapezoids spaced every estepm months
       puts(line);     * This is mainly to measure the difference between two models: for example
       fputs(line,ficparo);     * 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 
     ungetc(c,ficpar);     * progression in between and thus overestimating or underestimating according
       * to the curvature of the survival function. If, for the same date, we 
     fscanf(ficpar,"agemin=%lf agemax=%lf bage=%lf fage=%lf\n",&agemin,&agemax, &bage, &fage);     * estimate the model with stepm=1 month, we can keep estepm to 24 months
         * to compare the new estimate of Life expectancy with the same linear 
     if (fage <= 2) {     * hypothesis. A more precise result, taking into account a more precise
       bage = agemin;     * curvature will be obtained if estepm is as small as stepm. */
       fage = agemax;  
     }    /* For example we decided to compute the life expectancy with the smallest unit */
     /* hstepm beeing the number of stepms, if hstepm=1 the length of hstepm is stepm. 
     fprintf(ficres,"# agemin agemax for life expectancy, bage fage (if mle==0 ie no data nor Max likelihood).\n");       nhstepm is the number of hstepm from age to agelim 
     fprintf(ficres,"agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f\n",agemin,agemax,bage,fage);       nstepm is the number of stepm from age to agelin. 
        Look at hpijx to understand the reason of that which relies in memory size
           and note for a fixed period like estepm months */
 /*------------ gnuplot -------------*/    /* We decided (b) to get a life expectancy respecting the most precise curvature of the
 chdir(pathcd);       survival function given by stepm (the optimization length). Unfortunately it
   if((ficgp=fopen("graph.plt","w"))==NULL) {       means that if the survival funtion is printed only each two years of age and if
     printf("Problem with file graph.gp");goto end;       you sum them up and add 1 year (area under the trapezoids) you won't get the same 
   }       results. So we changed our mind and took the option of the best precision.
 #ifdef windows    */
   fprintf(ficgp,"cd \"%s\" \n",pathc);    hstepm=hstepm/stepm; /* Typically in stepm units, if stepm=6 & estepm=24 , = 24/6 months = 4 */ 
 #endif  
 m=pow(2,cptcoveff);    agelim=AGESUP;
      for (age=bage; age<=fage; age ++){ /* If stepm=6 months */
  /* 1eme*/      /* nhstepm age range expressed in number of stepm */
   for (cpt=1; cpt<= nlstate ; cpt ++) {      nstepm=(int) rint((agelim-age)*YEARM/stepm); 
    for (k1=1; k1<= m ; k1 ++) {      /* Typically if 20 years nstepm = 20*12/6=40 stepm */ 
       /* if (stepm >= YEARM) hstepm=1;*/
 #ifdef windows      nhstepm = nstepm/hstepm;/* Expressed in hstepm, typically nhstepm=40/4=10 */
     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);      p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
 #endif      gradg=ma3x(0,nhstepm,1,npar,1,nlstate*nlstate);
 #ifdef unix      gp=matrix(0,nhstepm,1,nlstate*nlstate);
 fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability\" \nplot [%.f:%.f] \"vpl%s\" u 1:2 \"\%%lf",agemin,fage,fileres);      gm=matrix(0,nhstepm,1,nlstate*nlstate);
 #endif  
       /* Computed by stepm unit matrices, product of hstepm matrices, stored
 for (i=1; i<= nlstate ; i ++) {         in an array of nhstepm length: nhstepm=10, hstepm=4, stepm=6 months */
   if (i==cpt) fprintf(ficgp," \%%lf (\%%lf)");      hpxij(p3mat,nhstepm,age,hstepm,x,nlstate,stepm,oldm, savm, ij);  
   else fprintf(ficgp," \%%*lf (\%%*lf)");   
 }  
     fprintf(ficgp,"\" t\"Stationary prevalence\" w l 0,\"vpl%s\" every :::%d::%d u 1:($2+2*$3) \"\%%lf",fileres,k1-1,k1-1);      hf=hstepm*stepm/YEARM;  /* Duration of hstepm expressed in year unit. */
     for (i=1; i<= nlstate ; i ++) {  
   if (i==cpt) fprintf(ficgp," \%%lf (\%%lf)");      /* Computing Variances of health expectancies */
   else fprintf(ficgp," \%%*lf (\%%*lf)");  
 }       for(theta=1; theta <=npar; theta++){
   fprintf(ficgp,"\" t\"95\%% CI\" w l 1,\"vpl%s\" every :::%d::%d u 1:($2-2*$3) \"\%%lf",fileres,k1-1,k1-1);        for(i=1; i<=npar; i++){ 
      for (i=1; i<= nlstate ; i ++) {          xp[i] = x[i] + (i==theta ?delti[theta]:0);
   if (i==cpt) fprintf(ficgp," \%%lf (\%%lf)");        }
   else fprintf(ficgp," \%%*lf (\%%*lf)");        hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);  
 }      
      fprintf(ficgp,"\" t\"\" w l 1,\"p%s\" every :::%d::%d u 1:($%d) t\"Observed prevalence \" w l 2",fileres,k1-1,k1-1,2+4*(cpt-1));        cptj=0;
 #ifdef unix        for(j=1; j<= nlstate; j++){
 fprintf(ficgp,"\nset ter gif small size 400,300");          for(i=1; i<=nlstate; i++){
 #endif            cptj=cptj+1;
 fprintf(ficgp,"\nset out \"v%s%d%d.gif\" \nreplot\n\n",strtok(optionfile, "."),cpt,k1);            for(h=0, gp[h][cptj]=0.; h<=nhstepm-1; h++){
    }              gp[h][cptj] = (p3mat[i][j][h]+p3mat[i][j][h+1])/2.;
   }            }
   /*2 eme*/          }
         }
   for (k1=1; k1<= m ; k1 ++) {       
     fprintf(ficgp,"set ylabel \"Years\" \nset ter gif small size 400,300\nplot [%.f:%.f] ",agemin,fage);       
            for(i=1; i<=npar; i++) 
     for (i=1; i<= nlstate+1 ; i ++) {          xp[i] = x[i] - (i==theta ?delti[theta]:0);
       k=2*i;        hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);  
       fprintf(ficgp,"\"t%s\" every :::%d::%d u 1:2 \"\%%lf",fileres,k1-1,k1-1);        
       for (j=1; j<= nlstate+1 ; j ++) {        cptj=0;
   if (j==i) fprintf(ficgp," \%%lf (\%%lf)");        for(j=1; j<= nlstate; j++){
   else fprintf(ficgp," \%%*lf (\%%*lf)");          for(i=1;i<=nlstate;i++){
 }              cptj=cptj+1;
       if (i== 1) fprintf(ficgp,"\" t\"TLE\" w l ,");            for(h=0, gm[h][cptj]=0.; h<=nhstepm-1; h++){
       else fprintf(ficgp,"\" t\"LE in state (%d)\" w l ,",i-1);  
     fprintf(ficgp,"\"t%s\" every :::%d::%d u 1:($2-$3*2) \"\%%lf",fileres,k1-1,k1-1);              gm[h][cptj] = (p3mat[i][j][h]+p3mat[i][j][h+1])/2.;
       for (j=1; j<= nlstate+1 ; j ++) {            }
         if (j==i) fprintf(ficgp," \%%lf (\%%lf)");          }
         else fprintf(ficgp," \%%*lf (\%%*lf)");        }
 }          for(j=1; j<= nlstate*nlstate; j++)
       fprintf(ficgp,"\" t\"\" w l 0,");          for(h=0; h<=nhstepm-1; 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)");     
 }    /* End theta */
       if (i== (nlstate+1)) fprintf(ficgp,"\" t\"\" w l 0");  
       else fprintf(ficgp,"\" t\"\" w l 0,");       trgradg =ma3x(0,nhstepm,1,nlstate*nlstate,1,npar);
     }  
     fprintf(ficgp,"\nset out \"e%s%d.gif\" \nreplot\n\n",strtok(optionfile, "."),k1);       for(h=0; h<=nhstepm-1; h++)
   }        for(j=1; j<=nlstate*nlstate;j++)
            for(theta=1; theta <=npar; theta++)
   /*3eme*/            trgradg[h][j][theta]=gradg[h][theta][j];
        
   for (k1=1; k1<= m ; k1 ++) {  
     for (cpt=1; cpt<= nlstate ; cpt ++) {       for(i=1;i<=nlstate*nlstate;i++)
       k=2+nlstate*(cpt-1);        for(j=1;j<=nlstate*nlstate;j++)
       fprintf(ficgp,"set ter gif small size 400,300\nplot [%.f:%.f] \"e%s\" every :::%d::%d u 1:%d t \"e%d1\" w l",agemin,fage,fileres,k1-1,k1-1,k,cpt);          varhe[i][j][(int)age] =0.;
       for (i=1; i< nlstate ; i ++) {  
         fprintf(ficgp,",\"e%s\" every :::%d::%d u 1:%d t \"e%d%d\" w l",fileres,k1-1,k1-1,k+i,cpt,i+1);       printf("%d|",(int)age);fflush(stdout);
       }       fprintf(ficlog,"%d|",(int)age);fflush(ficlog);
       fprintf(ficgp,"\nset out \"exp%s%d%d.gif\" \nreplot\n\n",strtok(optionfile, "."),cpt,k1);       for(h=0;h<=nhstepm-1;h++){
     }        for(k=0;k<=nhstepm-1;k++){
   }          matprod2(dnewm,trgradg[h],1,nlstate*nlstate,1,npar,1,npar,matcov);
            matprod2(doldm,dnewm,1,nlstate*nlstate,1,npar,1,nlstate*nlstate,gradg[k]);
   /* CV preval stat */          for(i=1;i<=nlstate*nlstate;i++)
   for (k1=1; k1<= m ; k1 ++) {            for(j=1;j<=nlstate*nlstate;j++)
     for (cpt=1; cpt<nlstate ; cpt ++) {              varhe[i][j][(int)age] += doldm[i][j]*hf*hf;
       k=3;        }
       fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability\" \nset ter gif small size 400,300\nplot [%.f:%.f] \"pij%s\" u ($1==%d ? ($3):1/0):($%d/($%d",agemin,agemax,fileres,k1,k+cpt+1,k+1);      }
       for (i=1; i< nlstate ; i ++)      /* Computing expectancies */
         fprintf(ficgp,"+$%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++)
                for (h=0, eij[i][j][(int)age]=0; h<=nhstepm-1; h++){
       l=3+(nlstate+ndeath)*cpt;            eij[i][j][(int)age] += (p3mat[i][j][h]+p3mat[i][j][h+1])/2.0*hf;
       fprintf(ficgp,",\"pij%s\" u ($1==%d ? ($3):1/0):($%d/($%d",fileres,k1,l+cpt+1,l+1);            
       for (i=1; i< nlstate ; i ++) {  /* if((int)age==70)printf("i=%2d,j=%2d,h=%2d,age=%3d,%9.4f,%9.4f,%9.4f\n",i,j,h,(int)age,p3mat[i][j][h],hf,eij[i][j][(int)age]);*/
         l=3+(nlstate+ndeath)*cpt;  
         fprintf(ficgp,"+$%d",l+i+1);          }
       }  
       fprintf(ficgp,")) t\"prev(%d,%d)\" w l\n",cpt+1,cpt+1);        fprintf(ficreseij,"%3.0f",age );
       fprintf(ficgp,"set out \"p%s%d%d.gif\" \nreplot\n\n",strtok(optionfile, "."),cpt,k1);      cptj=0;
     }      for(i=1; i<=nlstate;i++)
   }        for(j=1; j<=nlstate;j++){
           cptj++;
   /* proba elementaires */          fprintf(ficreseij," %9.4f (%.4f)", eij[i][j][(int)age], sqrt(varhe[cptj][cptj][(int)age]) );
    for(i=1,jk=1; i <=nlstate; i++){        }
     for(k=1; k <=(nlstate+ndeath); k++){      fprintf(ficreseij,"\n");
       if (k != i) {     
         for(j=1; j <=ncovmodel; j++){      free_matrix(gm,0,nhstepm,1,nlstate*nlstate);
           /*fprintf(ficgp,"%s%1d%1d=%f ",alph[j],i,k,p[jk]);*/      free_matrix(gp,0,nhstepm,1,nlstate*nlstate);
           /*fprintf(ficgp,"%s",alph[1]);*/      free_ma3x(gradg,0,nhstepm,1,npar,1,nlstate*nlstate);
           fprintf(ficgp,"p%d=%f ",jk,p[jk]);      free_ma3x(trgradg,0,nhstepm,1,nlstate*nlstate,1,npar);
           jk++;      free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
           fprintf(ficgp,"\n");    }
         }    printf("\n");
       }    fprintf(ficlog,"\n");
     }  
     }    free_vector(xp,1,npar);
     free_matrix(dnewm,1,nlstate*nlstate,1,npar);
   for(jk=1; jk <=m; jk++) {    free_matrix(doldm,1,nlstate*nlstate,1,nlstate*nlstate);
   fprintf(ficgp,"\nset ter gif small size 400,300\nset log y\nplot  [%.f:%.f] ",agemin,agemax);    free_ma3x(varhe,1,nlstate*nlstate,1,nlstate*nlstate,(int) bage, (int)fage);
    i=1;  }
    for(k2=1; k2<=nlstate; k2++) {  
      k3=i;  /************ Variance ******************/
      for(k=1; k<=(nlstate+ndeath); 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)
        if (k != k2){  {
         fprintf(ficgp," exp(p%d+p%d*x",i,i+1);    /* Variance of health expectancies */
 ij=1;    /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double ** savm,double ftolpl);*/
         for(j=3; j <=ncovmodel; j++) {    /* double **newm;*/
           if(((j-2)==Tage[ij]) &&(ij <=cptcovage)) {    double **dnewm,**doldm;
             fprintf(ficgp,"+p%d*%d*x",i+j-1,nbcode[Tvar[j-2]][codtab[jk][Tvar[j-2]]]);    double **dnewmp,**doldmp;
             ij++;    int i, j, nhstepm, hstepm, h, nstepm ;
           }    int k, cptcode;
           else    double *xp;
           fprintf(ficgp,"+p%d*%d",i+j-1,nbcode[Tvar[j-2]][codtab[jk][j-2]]);    double **gp, **gm;  /* for var eij */
         }    double ***gradg, ***trgradg; /*for var eij */
           fprintf(ficgp,")/(1");    double **gradgp, **trgradgp; /* for var p point j */
            double *gpp, *gmp; /* for var p point j */
         for(k1=1; k1 <=nlstate; k1++){      double **varppt; /* for var p point j nlstate to nlstate+ndeath */
           fprintf(ficgp,"+exp(p%d+p%d*x",k3+(k1-1)*ncovmodel,k3+(k1-1)*ncovmodel+1);    double ***p3mat;
 ij=1;    double age,agelim, hf;
           for(j=3; j <=ncovmodel; j++){    double ***mobaverage;
           if(((j-2)==Tage[ij]) &&(ij <=cptcovage)) {    int theta;
             fprintf(ficgp,"+p%d*%d*x",k3+(k1-1)*ncovmodel+1+j-2,nbcode[Tvar[j-2]][codtab[jk][Tvar[j-2]]]);    char digit[4];
             ij++;    char digitp[25];
           }  
           else    char fileresprobmorprev[FILENAMELENGTH];
             fprintf(ficgp,"+p%d*%d",k3+(k1-1)*ncovmodel+1+j-2,nbcode[Tvar[j-2]][codtab[jk][j-2]]);  
           }    if(popbased==1){
           fprintf(ficgp,")");      if(mobilav!=0)
         }        strcpy(digitp,"-populbased-mobilav-");
         fprintf(ficgp,") t \"p%d%d\" ", k2,k);      else strcpy(digitp,"-populbased-nomobil-");
         if ((k+k2)!= (nlstate*2+ndeath)) fprintf(ficgp,",");    }
         i=i+ncovmodel;    else 
        }      strcpy(digitp,"-stablbased-");
      }  
    }    if (mobilav!=0) {
    fprintf(ficgp,"\nset out \"pe%s%d.gif\" \nreplot\n\n",strtok(optionfile, "."),jk);      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);
   fclose(ficgp);        printf(" Error in movingaverage mobilav=%d\n",mobilav);
          }
 chdir(path);    }
     free_matrix(agev,1,maxwav,1,imx);  
     free_ivector(wav,1,imx);    strcpy(fileresprobmorprev,"prmorprev"); 
     free_imatrix(dh,1,lastpass-firstpass+1,1,imx);    sprintf(digit,"%-d",ij);
     free_imatrix(mw,1,lastpass-firstpass+1,1,imx);    /*printf("DIGIT=%s, ij=%d ijr=%-d|\n",digit, ij,ij);*/
        strcat(fileresprobmorprev,digit); /* Tvar to be done */
     free_imatrix(s,1,maxwav+1,1,n);    strcat(fileresprobmorprev,digitp); /* Popbased or not, mobilav or not */
        strcat(fileresprobmorprev,fileres);
        if((ficresprobmorprev=fopen(fileresprobmorprev,"w"))==NULL) {
     free_ivector(num,1,n);      printf("Problem with resultfile: %s\n", fileresprobmorprev);
     free_vector(agedc,1,n);      fprintf(ficlog,"Problem with resultfile: %s\n", fileresprobmorprev);
     free_vector(weight,1,n);    }
     /*free_matrix(covar,1,NCOVMAX,1,n);*/    printf("Computing total mortality p.j=w1*p1j+w2*p2j+..: result on file '%s' \n",fileresprobmorprev);
     fclose(ficparo);    fprintf(ficlog,"Computing total mortality p.j=w1*p1j+w2*p2j+..: result on file '%s' \n",fileresprobmorprev);
     fclose(ficres);    fprintf(ficresprobmorprev,"# probabilities of dying before estepm=%d months for people of exact age and weighted probabilities w1*p1j+w2*p2j+... stand dev in()\n",estepm);
     /*  }*/    fprintf(ficresprobmorprev,"# Age cov=%-d",ij);
        for(j=nlstate+1; j<=(nlstate+ndeath);j++){
    /*________fin mle=1_________*/      fprintf(ficresprobmorprev," p.%-d SE",j);
          for(i=1; i<=nlstate;i++)
         fprintf(ficresprobmorprev," w%1d p%-d%-d",i,i,j);
      }  
     /* No more information from the sample is required now */    fprintf(ficresprobmorprev,"\n");
   /* Reads comments: lines beginning with '#' */    if((ficgp=fopen(optionfilegnuplot,"a"))==NULL) {
   while((c=getc(ficpar))=='#' && c!= EOF){      printf("Problem with gnuplot file: %s\n", optionfilegnuplot);
     ungetc(c,ficpar);      fprintf(ficlog,"Problem with gnuplot file: %s\n", optionfilegnuplot);
     fgets(line, MAXLINE, ficpar);      exit(0);
     puts(line);    }
     fputs(line,ficparo);    else{
   }      fprintf(ficgp,"\n# Routine varevsij");
   ungetc(c,ficpar);    }
      if((fichtm=fopen(optionfilehtm,"a"))==NULL) {
   fscanf(ficpar,"agemin=%lf agemax=%lf bage=%lf fage=%lf\n",&agemin,&agemax, &bage, &fage);      printf("Problem with html file: %s\n", optionfilehtm);
   printf("agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f\n",agemin,agemax, bage, fage);      fprintf(ficlog,"Problem with html file: %s\n", optionfilehtm);
   fprintf(ficparo,"agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f\n",agemin,agemax,bage,fage);      exit(0);
 /*--------- index.htm --------*/    }
     else{
   strcpy(optionfilehtm,optionfile);      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");
   strcat(optionfilehtm,".htm");      fprintf(fichtm,"\n<br>%s  <br>\n",digitp);
   if((fichtm=fopen(optionfilehtm,"w"))==NULL)    {    }
     printf("Problem with %s \n",optionfilehtm);goto end;    varppt = matrix(nlstate+1,nlstate+ndeath,nlstate+1,nlstate+ndeath);
   }  
     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(fichtm,"<body><ul> <font size=\"6\">Imach, Version 0.64b </font> <hr size=\"2\" color=\"#EC5E5E\">    fprintf(ficresvij,"# Age");
 Titre=%s <br>Datafile=%s Firstpass=%d Lastpass=%d Stepm=%d Weight=%d Model=%s<br>    for(i=1; i<=nlstate;i++)
 Total number of observations=%d <br>      for(j=1; j<=nlstate;j++)
 Interval (in months) between two waves: Min=%d Max=%d Mean=%.2lf<br>        fprintf(ficresvij," Cov(e%1d, e%1d)",i,j);
 <hr  size=\"2\" color=\"#EC5E5E\">    fprintf(ficresvij,"\n");
 <li>Outputs files<br><br>\n  
         - Observed prevalence in each state: <a href=\"p%s\">p%s</a> <br>\n    xp=vector(1,npar);
 - Estimated parameters and the covariance matrix: <a href=\"%s\">%s</a> <br>    dnewm=matrix(1,nlstate,1,npar);
         - Stationary prevalence in each state: <a href=\"pl%s\">pl%s</a> <br>    doldm=matrix(1,nlstate,1,nlstate);
         - Transition probabilities: <a href=\"pij%s\">pij%s</a><br>    dnewmp= matrix(nlstate+1,nlstate+ndeath,1,npar);
         - Copy of the parameter file: <a href=\"o%s\">o%s</a><br>    doldmp= matrix(nlstate+1,nlstate+ndeath,nlstate+1,nlstate+ndeath);
         - Life expectancies by age and initial health status: <a href=\"e%s\">e%s</a> <br>  
         - Variances of life expectancies by age and initial health status: <a href=\"v%s\">v%s</a><br>    gradgp=matrix(1,npar,nlstate+1,nlstate+ndeath);
         - Health expectancies with their variances: <a href=\"t%s\">t%s</a> <br>    gpp=vector(nlstate+1,nlstate+ndeath);
         - Standard deviation of stationary prevalences: <a href=\"vpl%s\">vpl%s</a> <br><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);    gmp=vector(nlstate+1,nlstate+ndeath);
     trgradgp =matrix(nlstate+1,nlstate+ndeath,1,npar); /* mu or p point j*/
  fprintf(fichtm," <li>Graphs</li><p>");    
     if(estepm < stepm){
  m=cptcoveff;      printf ("Problem %d lower than %d\n",estepm, stepm);
  if (cptcovn < 1) {m=1;ncodemax[1]=1;}    }
     else  hstepm=estepm;   
  j1=0;    /* For example we decided to compute the life expectancy with the smallest unit */
  for(k1=1; k1<=m;k1++){    /* hstepm beeing the number of stepms, if hstepm=1 the length of hstepm is stepm. 
    for(i1=1; i1<=ncodemax[k1];i1++){       nhstepm is the number of hstepm from age to agelim 
        j1++;       nstepm is the number of stepm from age to agelin. 
        if (cptcovn > 0) {       Look at hpijx to understand the reason of that which relies in memory size
          fprintf(fichtm,"<hr  size=\"2\" color=\"#EC5E5E\">************ Results for covariates");       and note for a fixed period like k years */
          for (cpt=1; cpt<=cptcoveff;cpt++)    /* We decided (b) to get a life expectancy respecting the most precise curvature of the
            fprintf(fichtm," V%d=%d ",Tvaraff[cpt],nbcode[Tvaraff[cpt]][codtab[j1][cpt]]);       survival function given by stepm (the optimization length). Unfortunately it
          fprintf(fichtm," ************\n<hr size=\"2\" color=\"#EC5E5E\">");       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 
        fprintf(fichtm,"<br>- Probabilities: pe%s%d.gif<br>       results. So we changed our mind and took the option of the best precision.
 <img src=\"pe%s%d.gif\">",strtok(optionfile, "."),j1,strtok(optionfile, "."),j1);        */
        for(cpt=1; cpt<nlstate;cpt++){    hstepm=hstepm/stepm; /* Typically in stepm units, if stepm=6 & estepm=24 , = 24/6 months = 4 */ 
          fprintf(fichtm,"<br>- Prevalence of disability : p%s%d%d.gif<br>    agelim = AGESUP;
 <img src=\"p%s%d%d.gif\">",strtok(optionfile, "."),cpt,j1,strtok(optionfile, "."),cpt,j1);    for (age=bage; age<=fage; age ++){ /* If stepm=6 months */
        }      nstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */ 
     for(cpt=1; cpt<=nlstate;cpt++) {      nhstepm = nstepm/hstepm;/* Expressed in hstepm, typically nhstepm=40/4=10 */
        fprintf(fichtm,"<br>- Observed and stationary prevalence (with confident      p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
 interval) in state (%d): v%s%d%d.gif <br>      gradg=ma3x(0,nhstepm,1,npar,1,nlstate);
 <img src=\"v%s%d%d.gif\">",cpt,strtok(optionfile, "."),cpt,j1,strtok(optionfile, "."),cpt,j1);        gp=matrix(0,nhstepm,1,nlstate);
      }      gm=matrix(0,nhstepm,1,nlstate);
      for(cpt=1; cpt<=nlstate;cpt++) {  
         fprintf(fichtm,"\n<br>- Health life expectancies by age and initial health state (%d): exp%s%d%d.gif <br>  
 <img src=\"exp%s%d%d.gif\">",cpt,strtok(optionfile, "."),cpt,j1,strtok(optionfile, "."),cpt,j1);      for(theta=1; theta <=npar; theta++){
      }        for(i=1; i<=npar; i++){ /* Computes gradient x + delta*/
      fprintf(fichtm,"\n<br>- Total life expectancy by age and          xp[i] = x[i] + (i==theta ?delti[theta]:0);
 health expectancies in states (1) and (2): e%s%d.gif<br>        }
 <img src=\"e%s%d.gif\">",strtok(optionfile, "."),j1,strtok(optionfile, "."),j1);        hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);  
 fprintf(fichtm,"\n</body>");        prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);
    }  
  }        if (popbased==1) {
 fclose(fichtm);          if(mobilav ==0){
             for(i=1; i<=nlstate;i++)
   /*--------------- Prevalence limit --------------*/              prlim[i][i]=probs[(int)age][i][ij];
            }else{ /* mobilav */ 
   strcpy(filerespl,"pl");            for(i=1; i<=nlstate;i++)
   strcat(filerespl,fileres);              prlim[i][i]=mobaverage[(int)age][i][ij];
   if((ficrespl=fopen(filerespl,"w"))==NULL) {          }
     printf("Problem with Prev limit resultfile: %s\n", filerespl);goto end;        }
   }    
   printf("Computing prevalence limit: result on file '%s' \n", filerespl);        for(j=1; j<= nlstate; j++){
   fprintf(ficrespl,"#Prevalence limit\n");          for(h=0; h<=nhstepm; h++){
   fprintf(ficrespl,"#Age ");            for(i=1, gp[h][j]=0.;i<=nlstate;i++)
   for(i=1; i<=nlstate;i++) fprintf(ficrespl,"%d-%d ",i,i);              gp[h][j] += prlim[i][i]*p3mat[i][j][h];
   fprintf(ficrespl,"\n");          }
          }
   prlim=matrix(1,nlstate,1,nlstate);        /* This for computing probability of death (h=1 means
   pmmij= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */           computed over hstepm matrices product = hstepm*stepm months) 
   oldms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */           as a weighted average of prlim.
   newms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */        */
   savms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */        for(j=nlstate+1;j<=nlstate+ndeath;j++){
   oldm=oldms; newm=newms; savm=savms; /* Keeps fixed addresses to free */          for(i=1,gpp[j]=0.; i<= nlstate; i++)
   k=0;            gpp[j] += prlim[i][i]*p3mat[i][j][1];
   agebase=agemin;        }    
   agelim=agemax;        /* end probability of death */
   ftolpl=1.e-10;  
   i1=cptcoveff;        for(i=1; i<=npar; i++) /* Computes gradient x - delta */
   if (cptcovn < 1){i1=1;}          xp[i] = x[i] - (i==theta ?delti[theta]:0);
         hpxij(p3mat,nhstepm,age,hstepm,xp,nlstate,stepm,oldm,savm, ij);  
   for(cptcov=1;cptcov<=i1;cptcov++){        prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);
     for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){   
         k=k+1;        if (popbased==1) {
         /*printf("cptcov=%d cptcod=%d codtab=%d nbcode=%d\n",cptcov, cptcod,Tcode[cptcode],codtab[cptcod][cptcov]);*/          if(mobilav ==0){
         fprintf(ficrespl,"\n#******");            for(i=1; i<=nlstate;i++)
         for(j=1;j<=cptcoveff;j++)              prlim[i][i]=probs[(int)age][i][ij];
           fprintf(ficrespl," V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);          }else{ /* mobilav */ 
         fprintf(ficrespl,"******\n");            for(i=1; i<=nlstate;i++)
                      prlim[i][i]=mobaverage[(int)age][i][ij];
         for (age=agebase; age<=agelim; age++){          }
           prevalim(prlim, nlstate, p, age, oldm, savm,ftolpl,k);        }
           fprintf(ficrespl,"%.0f",age );  
           for(i=1; i<=nlstate;i++)        for(j=1; j<= nlstate; j++){
           fprintf(ficrespl," %.5f", prlim[i][i]);          for(h=0; h<=nhstepm; h++){
           fprintf(ficrespl,"\n");            for(i=1, gm[h][j]=0.;i<=nlstate;i++)
         }              gm[h][j] += prlim[i][i]*p3mat[i][j][h];
       }          }
     }        }
   fclose(ficrespl);        /* This for computing probability of death (h=1 means
   /*------------- h Pij x at various ages ------------*/           computed over hstepm matrices product = hstepm*stepm months) 
             as a weighted average of prlim.
   strcpy(filerespij,"pij");  strcat(filerespij,fileres);        */
   if((ficrespij=fopen(filerespij,"w"))==NULL) {        for(j=nlstate+1;j<=nlstate+ndeath;j++){
     printf("Problem with Pij resultfile: %s\n", filerespij);goto end;          for(i=1,gmp[j]=0.; i<= nlstate; i++)
   }           gmp[j] += prlim[i][i]*p3mat[i][j][1];
   printf("Computing pij: result on file '%s' \n", filerespij);        }    
          /* end probability of death */
   stepsize=(int) (stepm+YEARM-1)/YEARM;  
   if (stepm<=24) stepsize=2;        for(j=1; j<= nlstate; j++) /* vareij */
           for(h=0; h<=nhstepm; h++){
   agelim=AGESUP;            gradg[h][theta][j]= (gp[h][j]-gm[h][j])/2./delti[theta];
   hstepm=stepsize*YEARM; /* Every year of age */          }
   hstepm=hstepm/stepm; /* Typically 2 years, = 2/6 months = 4 */  
          for(j=nlstate+1; j<= nlstate+ndeath; j++){ /* var mu */
   k=0;          gradgp[theta][j]= (gpp[j]-gmp[j])/2./delti[theta];
   for(cptcov=1;cptcov<=i1;cptcov++){        }
     for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){  
       k=k+1;      } /* End theta */
         fprintf(ficrespij,"\n#****** ");  
         for(j=1;j<=cptcoveff;j++)      trgradg =ma3x(0,nhstepm,1,nlstate,1,npar); /* veij */
           fprintf(ficrespij,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);  
         fprintf(ficrespij,"******\n");      for(h=0; h<=nhstepm; h++) /* veij */
                for(j=1; j<=nlstate;j++)
         for (agedeb=fage; agedeb>=bage; agedeb--){ /* If stepm=6 months */          for(theta=1; theta <=npar; theta++)
           nhstepm=(int) rint((agelim-agedeb)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */            trgradg[h][j][theta]=gradg[h][theta][j];
           nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */  
           p3mat=ma3x(1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);      for(j=nlstate+1; j<=nlstate+ndeath;j++) /* mu */
           oldm=oldms;savm=savms;        for(theta=1; theta <=npar; theta++)
           hpxij(p3mat,nhstepm,agedeb,hstepm,p,nlstate,stepm,oldm,savm, k);            trgradgp[j][theta]=gradgp[theta][j];
           fprintf(ficrespij,"# Age");    
           for(i=1; i<=nlstate;i++)  
             for(j=1; j<=nlstate+ndeath;j++)      hf=hstepm*stepm/YEARM;  /* Duration of hstepm expressed in year unit. */
               fprintf(ficrespij," %1d-%1d",i,j);      for(i=1;i<=nlstate;i++)
           fprintf(ficrespij,"\n");        for(j=1;j<=nlstate;j++)
           for (h=0; h<=nhstepm; h++){          vareij[i][j][(int)age] =0.;
             fprintf(ficrespij,"%d %.0f %.0f",k,agedeb, agedeb+ h*hstepm/YEARM*stepm );  
             for(i=1; i<=nlstate;i++)      for(h=0;h<=nhstepm;h++){
               for(j=1; j<=nlstate+ndeath;j++)        for(k=0;k<=nhstepm;k++){
                 fprintf(ficrespij," %.5f", p3mat[i][j][h]);          matprod2(dnewm,trgradg[h],1,nlstate,1,npar,1,npar,matcov);
             fprintf(ficrespij,"\n");          matprod2(doldm,dnewm,1,nlstate,1,npar,1,nlstate,gradg[k]);
           }          for(i=1;i<=nlstate;i++)
           free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);            for(j=1;j<=nlstate;j++)
           fprintf(ficrespij,"\n");              vareij[i][j][(int)age] += doldm[i][j]*hf*hf;
         }        }
     }      }
   }    
       /* pptj */
   fclose(ficrespij);      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);
   /*---------- Health expectancies and variances ------------*/      for(j=nlstate+1;j<=nlstate+ndeath;j++)
         for(i=nlstate+1;i<=nlstate+ndeath;i++)
   strcpy(filerest,"t");          varppt[j][i]=doldmp[j][i];
   strcat(filerest,fileres);      /* end ppptj */
   if((ficrest=fopen(filerest,"w"))==NULL) {      /*  x centered again */
     printf("Problem with total LE resultfile: %s\n", filerest);goto end;      hpxij(p3mat,nhstepm,age,hstepm,x,nlstate,stepm,oldm,savm, ij);  
   }      prevalim(prlim,nlstate,x,age,oldm,savm,ftolpl,ij);
   printf("Computing Total LEs with variances: file '%s' \n", filerest);   
       if (popbased==1) {
         if(mobilav ==0){
   strcpy(filerese,"e");          for(i=1; i<=nlstate;i++)
   strcat(filerese,fileres);            prlim[i][i]=probs[(int)age][i][ij];
   if((ficreseij=fopen(filerese,"w"))==NULL) {        }else{ /* mobilav */ 
     printf("Problem with Health Exp. resultfile: %s\n", filerese); exit(0);          for(i=1; i<=nlstate;i++)
   }            prlim[i][i]=mobaverage[(int)age][i][ij];
   printf("Computing Health Expectancies: result on file '%s' \n", filerese);        }
       }
  strcpy(fileresv,"v");               
   strcat(fileresv,fileres);      /* This for computing probability of death (h=1 means
   if((ficresvij=fopen(fileresv,"w"))==NULL) {         computed over hstepm (estepm) matrices product = hstepm*stepm months) 
     printf("Problem with variance resultfile: %s\n", fileresv);exit(0);         as a weighted average of prlim.
   }      */
   printf("Computing Variance-covariance of DFLEs: file '%s' \n", fileresv);      for(j=nlstate+1;j<=nlstate+ndeath;j++){
         for(i=1,gmp[j]=0.;i<= nlstate; i++) 
   k=0;          gmp[j] += prlim[i][i]*p3mat[i][j][1]; 
   for(cptcov=1;cptcov<=i1;cptcov++){      }    
     for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){      /* end probability of death */
       k=k+1;  
       fprintf(ficrest,"\n#****** ");      fprintf(ficresprobmorprev,"%3d %d ",(int) age, ij);
       for(j=1;j<=cptcoveff;j++)      for(j=nlstate+1; j<=(nlstate+ndeath);j++){
         fprintf(ficrest,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);        fprintf(ficresprobmorprev," %11.3e %11.3e",gmp[j], sqrt(varppt[j][j]));
       fprintf(ficrest,"******\n");        for(i=1; i<=nlstate;i++){
           fprintf(ficresprobmorprev," %11.3e %11.3e ",prlim[i][i],p3mat[i][j][1]);
       fprintf(ficreseij,"\n#****** ");        }
       for(j=1;j<=cptcoveff;j++)      } 
         fprintf(ficreseij,"V%d=%d ",j,nbcode[j][codtab[k][j]]);      fprintf(ficresprobmorprev,"\n");
       fprintf(ficreseij,"******\n");  
       fprintf(ficresvij,"%.0f ",age );
       fprintf(ficresvij,"\n#****** ");      for(i=1; i<=nlstate;i++)
       for(j=1;j<=cptcoveff;j++)        for(j=1; j<=nlstate;j++){
         fprintf(ficresvij,"V%d=%d ",j,nbcode[j][codtab[k][j]]);          fprintf(ficresvij," %.4f", vareij[i][j][(int)age]);
       fprintf(ficresvij,"******\n");        }
       fprintf(ficresvij,"\n");
       eij=ma3x(1,nlstate,1,nlstate,(int) bage, (int) fage);      free_matrix(gp,0,nhstepm,1,nlstate);
       oldm=oldms;savm=savms;      free_matrix(gm,0,nhstepm,1,nlstate);
       evsij(fileres, eij, p, nlstate, stepm, (int) bage, (int)fage, oldm, savm, k);        free_ma3x(gradg,0,nhstepm,1,npar,1,nlstate);
       vareij=ma3x(1,nlstate,1,nlstate,(int) bage, (int) fage);      free_ma3x(trgradg,0,nhstepm,1,nlstate,1,npar);
       oldm=oldms;savm=savms;      free_ma3x(p3mat,1,nlstate+ndeath,1, nlstate+ndeath, 0,nhstepm);
       varevsij(fileres, vareij, matcov, p, delti, nlstate, stepm, (int) bage, (int) fage, oldm, savm, prlim, ftolpl,k);    } /* End age */
          free_vector(gpp,nlstate+1,nlstate+ndeath);
       fprintf(ficrest,"#Total LEs with variances: e.. (std) ");    free_vector(gmp,nlstate+1,nlstate+ndeath);
       for (i=1;i<=nlstate;i++) fprintf(ficrest,"e.%d (std) ",i);    free_matrix(gradgp,1,npar,nlstate+1,nlstate+ndeath);
       fprintf(ficrest,"\n");    free_matrix(trgradgp,nlstate+1,nlstate+ndeath,1,npar); /* mu or p point j*/
            fprintf(ficgp,"\nset noparametric;set nolabel; set ter png small;set size 0.65, 0.65");
       hf=1;    /* for(j=nlstate+1; j<= nlstate+ndeath; j++){ *//* Only the first actually */
       if (stepm >= YEARM) hf=stepm/YEARM;    fprintf(ficgp,"\n set log y; set nolog x;set xlabel \"Age\"; set ylabel \"Force of mortality (year-1)\";");
       epj=vector(1,nlstate+1);  /*   fprintf(ficgp,"\n plot \"%s\"  u 1:($3*%6.3f) not w l 1 ",fileresprobmorprev,YEARM/estepm); */
       for(age=bage; age <=fage ;age++){  /*   fprintf(ficgp,"\n replot \"%s\"  u 1:(($3+1.96*$4)*%6.3f) t \"95\%% interval\" w l 2 ",fileresprobmorprev,YEARM/estepm); */
         prevalim(prlim, nlstate, p, age, oldm, savm,ftolpl,k);  /*   fprintf(ficgp,"\n replot \"%s\"  u 1:(($3-1.96*$4)*%6.3f) not w l 2 ",fileresprobmorprev,YEARM/estepm); */
         fprintf(ficrest," %.0f",age);    fprintf(ficgp,"\n plot \"%s\"  u 1:($3) not w l 1 ",fileresprobmorprev);
         for(j=1, epj[nlstate+1]=0.;j <=nlstate;j++){    fprintf(ficgp,"\n replot \"%s\"  u 1:(($3+1.96*$4)) t \"95\%% interval\" w l 2 ",fileresprobmorprev);
           for(i=1, epj[j]=0.;i <=nlstate;i++) {    fprintf(ficgp,"\n replot \"%s\"  u 1:(($3-1.96*$4)) not w l 2 ",fileresprobmorprev);
             epj[j] += prlim[i][i]*hf*eij[i][j][(int)age];    fprintf(fichtm,"\n<br> File (multiple files are possible if covariates are present): <A href=\"%s\">%s</a>\n",fileresprobmorprev,fileresprobmorprev);
           }    fprintf(fichtm,"\n<br> Probability is computed over estepm=%d months. <br> <img src=\"varmuptjgr%s%s%s.png\"> <br>\n", estepm,digitp,optionfilefiname,digit);
           epj[nlstate+1] +=epj[j];    /*  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);
         }  */
         for(i=1, vepp=0.;i <=nlstate;i++)    fprintf(ficgp,"\nset out \"varmuptjgr%s%s%s.png\";replot;",digitp,optionfilefiname,digit);
           for(j=1;j <=nlstate;j++)  
             vepp += vareij[i][j][(int)age];    free_vector(xp,1,npar);
         fprintf(ficrest," %.2f (%.2f)", epj[nlstate+1],hf*sqrt(vepp));    free_matrix(doldm,1,nlstate,1,nlstate);
         for(j=1;j <=nlstate;j++){    free_matrix(dnewm,1,nlstate,1,npar);
           fprintf(ficrest," %.2f (%.2f)", epj[j],hf*sqrt(vareij[j][j][(int)age]));    free_matrix(doldmp,nlstate+1,nlstate+ndeath,nlstate+1,nlstate+ndeath);
         }    free_matrix(dnewmp,nlstate+1,nlstate+ndeath,1,npar);
         fprintf(ficrest,"\n");    free_matrix(varppt,nlstate+1,nlstate+ndeath,nlstate+1,nlstate+ndeath);
       }    if (mobilav!=0) free_ma3x(mobaverage,1, AGESUP,1,NCOVMAX, 1,NCOVMAX);
     }    fclose(ficresprobmorprev);
   }    fclose(ficgp);
            fclose(fichtm);
  fclose(ficreseij);  }  /* end varevsij */
  fclose(ficresvij);  
   fclose(ficrest);  /************ Variance of prevlim ******************/
   fclose(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)
   free_vector(epj,1,nlstate+1);  {
   /*  scanf("%d ",i); */    /* Variance of prevalence limit */
     /*  double **prevalim(double **prlim, int nlstate, double *xp, double age, double **oldm, double **savm,double ftolpl);*/
   /*------- Variance limit prevalence------*/      double **newm;
     double **dnewm,**doldm;
 strcpy(fileresvpl,"vpl");    int i, j, nhstepm, hstepm;
   strcat(fileresvpl,fileres);    int k, cptcode;
   if((ficresvpl=fopen(fileresvpl,"w"))==NULL) {    double *xp;
     printf("Problem with variance prev lim resultfile: %s\n", fileresvpl);    double *gp, *gm;
     exit(0);    double **gradg, **trgradg;
   }    double age,agelim;
   printf("Computing Variance-covariance of Prevalence limit: file '%s' \n", fileresvpl);    int theta;
      
  k=0;    fprintf(ficresvpl,"# Standard deviation of stable prevalences \n");
  for(cptcov=1;cptcov<=i1;cptcov++){    fprintf(ficresvpl,"# Age");
    for(cptcod=1;cptcod<=ncodemax[cptcov];cptcod++){    for(i=1; i<=nlstate;i++)
      k=k+1;        fprintf(ficresvpl," %1d-%1d",i,i);
      fprintf(ficresvpl,"\n#****** ");    fprintf(ficresvpl,"\n");
      for(j=1;j<=cptcoveff;j++)  
        fprintf(ficresvpl,"V%d=%d ",Tvaraff[j],nbcode[Tvaraff[j]][codtab[k][j]]);    xp=vector(1,npar);
      fprintf(ficresvpl,"******\n");    dnewm=matrix(1,nlstate,1,npar);
          doldm=matrix(1,nlstate,1,nlstate);
      varpl=matrix(1,nlstate,(int) bage, (int) fage);    
      oldm=oldms;savm=savms;    hstepm=1*YEARM; /* Every year of age */
      varprevlim(fileres, varpl, matcov, p, delti, nlstate, stepm, (int) bage, (int) fage, oldm, savm, prlim, ftolpl,k);    hstepm=hstepm/stepm; /* Typically in stepm units, if j= 2 years, = 2/6 months = 4 */ 
    }    agelim = AGESUP;
  }    for (age=bage; age<=fage; age ++){ /* If stepm=6 months */
       nhstepm=(int) rint((agelim-age)*YEARM/stepm); /* Typically 20 years = 20*12/6=40 */ 
   fclose(ficresvpl);      if (stepm >= YEARM) hstepm=1;
       nhstepm = nhstepm/hstepm; /* Typically 40/4=10 */
   /*---------- End : free ----------------*/      gradg=matrix(1,npar,1,nlstate);
   free_matrix(varpl,1,nlstate,(int) bage, (int)fage);      gp=vector(1,nlstate);
        gm=vector(1,nlstate);
   free_ma3x(vareij,1,nlstate,1,nlstate,(int) bage, (int)fage);  
   free_ma3x(eij,1,nlstate,1,nlstate,(int) bage, (int)fage);      for(theta=1; theta <=npar; theta++){
          for(i=1; i<=npar; i++){ /* Computes gradient */
            xp[i] = x[i] + (i==theta ?delti[theta]:0);
   free_matrix(pmmij,1,nlstate+ndeath,1,nlstate+ndeath);        }
   free_matrix(oldms, 1,nlstate+ndeath,1,nlstate+ndeath);        prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);
   free_matrix(newms, 1,nlstate+ndeath,1,nlstate+ndeath);        for(i=1;i<=nlstate;i++)
   free_matrix(savms, 1,nlstate+ndeath,1,nlstate+ndeath);          gp[i] = prlim[i][i];
        
   free_matrix(matcov,1,npar,1,npar);        for(i=1; i<=npar; i++) /* Computes gradient */
   free_vector(delti,1,npar);          xp[i] = x[i] - (i==theta ?delti[theta]:0);
          prevalim(prlim,nlstate,xp,age,oldm,savm,ftolpl,ij);
   free_ma3x(param,1,nlstate,1, nlstate+ndeath-1,1,ncovmodel);        for(i=1;i<=nlstate;i++)
           gm[i] = prlim[i][i];
   printf("End of Imach\n");  
   /*  gettimeofday(&end_time, (struct timezone*)0);*/  /* after time */        for(i=1;i<=nlstate;i++)
            gradg[theta][i]= (gp[i]-gm[i])/2./delti[theta];
   /* 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);*/      } /* End theta */
   /*printf("Total time was %d uSec.\n", total_usecs);*/  
   /*------ End -----------*/      trgradg =matrix(1,nlstate,1,npar);
   
  end:      for(j=1; j<=nlstate;j++)
 #ifdef windows        for(theta=1; theta <=npar; theta++)
  chdir(pathcd);          trgradg[j][theta]=gradg[theta][j];
 #endif  
  /*system("wgnuplot graph.plt");*/      for(i=1;i<=nlstate;i++)
  system("../gp37mgw/wgnuplot graph.plt");        varpl[i][(int)age] =0.;
       matprod2(dnewm,trgradg,1,nlstate,1,npar,1,npar,matcov);
 #ifdef windows      matprod2(doldm,dnewm,1,nlstate,1,npar,1,nlstate,gradg);
   while (z[0] != 'q') {      for(i=1;i<=nlstate;i++)
     chdir(pathcd);        varpl[i][(int)age] = doldm[i][i]; /* Covariances are useless */
     printf("\nType e to edit output files, c to start again, and q for exiting: ");  
     scanf("%s",z);      fprintf(ficresvpl,"%.0f ",age );
     if (z[0] == 'c') system("./imach");      for(i=1; i<=nlstate;i++)
     else if (z[0] == 'e') {        fprintf(ficresvpl," %.5f (%.5f)",prlim[i][i],sqrt(varpl[i][(int)age]));
       chdir(path);      fprintf(ficresvpl,"\n");
       system("index.htm");      free_vector(gp,1,nlstate);
     }      free_vector(gm,1,nlstate);
     else if (z[0] == 'q') exit(0);      free_matrix(gradg,1,npar,1,nlstate);
   }      free_matrix(trgradg,1,nlstate,1,npar);
 #endif    } /* End age */
 }  
     free_vector(xp,1,npar);
     free_matrix(doldm,1,nlstate,1,npar);
     free_matrix(dnewm,1,nlstate,1,nlstate);
   
   }
   
   /************ Variance of one-step probabilities  ******************/
   void varprob(char optionfilefiname[], double **matcov, double x[], double delti[], int nlstate, double bage, double fage, int ij, int *Tvar, int **nbcode, int *ncodemax)
   {
     int i, j=0,  i1, k1, l1, t, tj;
     int k2, l2, j1,  z1;
     int k=0,l, cptcode;
     int first=1, first1;
     double cv12, mu1, mu2, lc1, lc2, v12, v21, v11, v22,v1,v2, c12, tnalp;
     double **dnewm,**doldm;
     double *xp;
     double *gp, *gm;
     double **gradg, **trgradg;
     double **mu;
     double age,agelim, cov[NCOVMAX];
     double std=2.0; /* Number of standard deviation wide of confidence ellipsoids */
     int theta;
     char fileresprob[FILENAMELENGTH];
     char fileresprobcov[FILENAMELENGTH];
     char fileresprobcor[FILENAMELENGTH];
   
     double ***varpij;
   
     strcpy(fileresprob,"prob"); 
     strcat(fileresprob,fileres);
     if((ficresprob=fopen(fileresprob,"w"))==NULL) {
       printf("Problem with resultfile: %s\n", fileresprob);
       fprintf(ficlog,"Problem with resultfile: %s\n", fileresprob);
     }
     strcpy(fileresprobcov,"probcov"); 
     strcat(fileresprobcov,fileres);
     if((ficresprobcov=fopen(fileresprobcov,"w"))==NULL) {
       printf("Problem with resultfile: %s\n", fileresprobcov);
       fprintf(ficlog,"Problem with resultfile: %s\n", fileresprobcov);
     }
     strcpy(fileresprobcor,"probcor"); 
     strcat(fileresprobcor,fileres);
     if((ficresprobcor=fopen(fileresprobcor,"w"))==NULL) {
       printf("Problem with resultfile: %s\n", fileresprobcor);
       fprintf(ficlog,"Problem with resultfile: %s\n", fileresprobcor);
     }
     printf("Computing standard deviation of one-step probabilities: result on file '%s' \n",fileresprob);
     fprintf(ficlog,"Computing standard deviation of one-step probabilities: result on file '%s' \n",fileresprob);
     printf("Computing matrix of variance covariance of one-step probabilities: result on file '%s' \n",fileresprobcov);
     fprintf(ficlog,"Computing matrix of variance covariance of one-step probabilities: result on file '%s' \n",fileresprobcov);
     printf("and correlation matrix of one-step probabilities: result on file '%s' \n",fileresprobcor);
     fprintf(ficlog,"and correlation matrix of one-step probabilities: result on file '%s' \n",fileresprobcor);
     
     fprintf(ficresprob,"#One-step probabilities and stand. devi in ()\n");
     fprintf(ficresprob,"# Age");
     fprintf(ficresprobcov,"#One-step probabilities and covariance matrix\n");
     fprintf(ficresprobcov,"# Age");
     fprintf(ficresprobcor,"#One-step probabilities and correlation matrix\n");
     fprintf(ficresprobcov,"# Age");
   
   
     for(i=1; i<=nlstate;i++)
       for(j=1; j<=(nlstate+ndeath);j++){
         fprintf(ficresprob," p%1d-%1d (SE)",i,j);
         fprintf(ficresprobcov," p%1d-%1d ",i,j);
         fprintf(ficresprobcor," p%1d-%1d ",i,j);
       }  
    /* fprintf(ficresprob,"\n");
     fprintf(ficresprobcov,"\n");
     fprintf(ficresprobcor,"\n");
    */
    xp=vector(1,npar);
     dnewm=matrix(1,(nlstate)*(nlstate+ndeath),1,npar);
     doldm=matrix(1,(nlstate)*(nlstate+ndeath),1,(nlstate)*(nlstate+ndeath));
     mu=matrix(1,(nlstate)*(nlstate+ndeath), (int) bage, (int)fage);
     varpij=ma3x(1,nlstate*(nlstate+ndeath),1,nlstate*(nlstate+ndeath),(int) bage, (int) fage);
     first=1;
     if((ficgp=fopen(optionfilegnuplot,"a"))==NULL) {
       printf("Problem with gnuplot file: %s\n", optionfilegnuplot);
       fprintf(ficlog,"Problem with gnuplot file: %s\n", optionfilegnuplot);
       exit(0);
     }
     else{
       fprintf(ficgp,"\n# Routine varprob");
     }
     if((fichtm=fopen(optionfilehtm,"a"))==NULL) {
       printf("Problem with html file: %s\n", optionfilehtm);
       fprintf(ficlog,"Problem with html file: %s\n", optionfilehtm);
       exit(0);
     }
     else{
       fprintf(fichtm,"\n<li><h4> Computing and drawing one step probabilities with their confidence intervals</h4></li>\n");
       fprintf(fichtm,"\n");
   
       fprintf(fichtm,"\n<li><h4> Computing matrix of variance-covariance of step probabilities</h4></li>\n");
       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(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");
   
     }
   
     cov[1]=1;
     tj=cptcoveff;
     if (cptcovn<1) {tj=1;ncodemax[1]=1;}
     j1=0;
     for(t=1; t<=tj;t++){
       for(i1=1; i1<=ncodemax[t];i1++){ 
         j1++;
         if  (cptcovn>0) {
           fprintf(ficresprob, "\n#********** Variable "); 
           for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresprob, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
           fprintf(ficresprob, "**********\n#\n");
           fprintf(ficresprobcov, "\n#********** Variable "); 
           for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresprobcov, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
           fprintf(ficresprobcov, "**********\n#\n");
           
           fprintf(ficgp, "\n#********** Variable "); 
           for (z1=1; z1<=cptcoveff; z1++) fprintf(ficgp, " V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
           fprintf(ficgp, "**********\n#\n");
           
           
           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]]);
           fprintf(fichtm, "**********\n<hr size=\"2\" color=\"#EC5E5E\">");
           
           fprintf(ficresprobcor, "\n#********** Variable ");    
           for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresprobcor, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
           fprintf(ficresprobcor, "**********\n#");    
         }
         
         for (age=bage; age<=fage; age ++){ 
           cov[2]=age;
           for (k=1; k<=cptcovn;k++) {
             cov[2+k]=nbcode[Tvar[k]][codtab[j1][Tvar[k]]];
           }
           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]]];
           
           gradg=matrix(1,npar,1,(nlstate)*(nlstate+ndeath));
           trgradg=matrix(1,(nlstate)*(nlstate+ndeath),1,npar);
           gp=vector(1,(nlstate)*(nlstate+ndeath));
           gm=vector(1,(nlstate)*(nlstate+ndeath));
       
           for(theta=1; theta <=npar; theta++){
             for(i=1; i<=npar; i++)
               xp[i] = x[i] + (i==theta ?delti[theta]:(double)0);
             
             pmij(pmmij,cov,ncovmodel,xp,nlstate);
             
             k=0;
             for(i=1; i<= (nlstate); i++){
               for(j=1; j<=(nlstate+ndeath);j++){
                 k=k+1;
                 gp[k]=pmmij[i][j];
               }
             }
             
             for(i=1; i<=npar; i++)
               xp[i] = x[i] - (i==theta ?delti[theta]:(double)0);
       
             pmij(pmmij,cov,ncovmodel,xp,nlstate);
             k=0;
             for(i=1; i<=(nlstate); i++){
               for(j=1; j<=(nlstate+ndeath);j++){
                 k=k+1;
                 gm[k]=pmmij[i][j];
               }
             }
        
             for(i=1; i<= (nlstate)*(nlstate+ndeath); i++) 
               gradg[theta][i]=(gp[i]-gm[i])/(double)2./delti[theta];  
           }
   
           for(j=1; j<=(nlstate)*(nlstate+ndeath);j++)
             for(theta=1; theta <=npar; theta++)
               trgradg[j][theta]=gradg[theta][j];
           
           matprod2(dnewm,trgradg,1,(nlstate)*(nlstate+ndeath),1,npar,1,npar,matcov); 
           matprod2(doldm,dnewm,1,(nlstate)*(nlstate+ndeath),1,npar,1,(nlstate)*(nlstate+ndeath),gradg);
           free_vector(gp,1,(nlstate+ndeath)*(nlstate+ndeath));
           free_vector(gm,1,(nlstate+ndeath)*(nlstate+ndeath));
           free_matrix(trgradg,1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);
           free_matrix(gradg,1,(nlstate+ndeath)*(nlstate+ndeath),1,npar);
   
           pmij(pmmij,cov,ncovmodel,x,nlstate);
           
           k=0;
           for(i=1; i<=(nlstate); i++){
             for(j=1; j<=(nlstate+ndeath);j++){
               k=k+1;
               mu[k][(int) age]=pmmij[i][j];
             }
           }
           for(i=1;i<=(nlstate)*(nlstate+ndeath);i++)
             for(j=1;j<=(nlstate)*(nlstate+ndeath);j++)
               varpij[i][j][(int)age] = doldm[i][j];
   
           /*printf("\n%d ",(int)age);
             for (i=1; i<=(nlstate)*(nlstate+ndeath);i++){
             printf("%e [%e ;%e] ",gm[i],gm[i]-2*sqrt(doldm[i][i]),gm[i]+2*sqrt(doldm[i][i]));
             fprintf(ficlog,"%e [%e ;%e] ",gm[i],gm[i]-2*sqrt(doldm[i][i]),gm[i]+2*sqrt(doldm[i][i]));
             }*/
   
           fprintf(ficresprob,"\n%d ",(int)age);
           fprintf(ficresprobcov,"\n%d ",(int)age);
           fprintf(ficresprobcor,"\n%d ",(int)age);
   
           for (i=1; i<=(nlstate)*(nlstate+ndeath);i++)
             fprintf(ficresprob,"%11.3e (%11.3e) ",mu[i][(int) age],sqrt(varpij[i][i][(int)age]));
           for (i=1; i<=(nlstate)*(nlstate+ndeath);i++){
             fprintf(ficresprobcov,"%11.3e ",mu[i][(int) age]);
             fprintf(ficresprobcor,"%11.3e ",mu[i][(int) age]);
           }
           i=0;
           for (k=1; k<=(nlstate);k++){
             for (l=1; l<=(nlstate+ndeath);l++){ 
               i=i++;
               fprintf(ficresprobcov,"\n%d %d-%d",(int)age,k,l);
               fprintf(ficresprobcor,"\n%d %d-%d",(int)age,k,l);
               for (j=1; j<=i;j++){
                 fprintf(ficresprobcov," %11.3e",varpij[i][j][(int)age]);
                 fprintf(ficresprobcor," %11.3e",varpij[i][j][(int) age]/sqrt(varpij[i][i][(int) age])/sqrt(varpij[j][j][(int)age]));
               }
             }
           }/* end of loop for state */
         } /* end of loop for age */
   
         /* Confidence intervalle of pij  */
         /*
           fprintf(ficgp,"\nset noparametric;unset label");
           fprintf(ficgp,"\nset log y;unset log x; set xlabel \"Age\";set ylabel \"probability (year-1)\"");
           fprintf(ficgp,"\nset ter png small\nset size 0.65,0.65");
           fprintf(fichtm,"\n<br>Probability with  confidence intervals expressed in year<sup>-1</sup> :<a href=\"pijgr%s.png\">pijgr%s.png</A>, ",optionfilefiname,optionfilefiname);
           fprintf(fichtm,"\n<br><img src=\"pijgr%s.png\"> ",optionfilefiname);
           fprintf(ficgp,"\nset out \"pijgr%s.png\"",optionfilefiname);
           fprintf(ficgp,"\nplot \"%s\" every :::%d::%d u 1:2 \"\%%lf",k1,k2,xfilevarprob);
         */
   
         /* Drawing ellipsoids of confidence of two variables p(k1-l1,k2-l2)*/
         first1=1;
         for (k2=1; k2<=(nlstate);k2++){
           for (l2=1; l2<=(nlstate+ndeath);l2++){ 
             if(l2==k2) continue;
             j=(k2-1)*(nlstate+ndeath)+l2;
             for (k1=1; k1<=(nlstate);k1++){
               for (l1=1; l1<=(nlstate+ndeath);l1++){ 
                 if(l1==k1) continue;
                 i=(k1-1)*(nlstate+ndeath)+l1;
                 if(i<=j) continue;
                 for (age=bage; age<=fage; age ++){ 
                   if ((int)age %5==0){
                     v1=varpij[i][i][(int)age]/stepm*YEARM/stepm*YEARM;
                     v2=varpij[j][j][(int)age]/stepm*YEARM/stepm*YEARM;
                     cv12=varpij[i][j][(int)age]/stepm*YEARM/stepm*YEARM;
                     mu1=mu[i][(int) age]/stepm*YEARM ;
                     mu2=mu[j][(int) age]/stepm*YEARM;
                     c12=cv12/sqrt(v1*v2);
                     /* Computing eigen value of matrix of covariance */
                     lc1=((v1+v2)+sqrt((v1+v2)*(v1+v2) - 4*(v1*v2-cv12*cv12)))/2.;
                     lc2=((v1+v2)-sqrt((v1+v2)*(v1+v2) - 4*(v1*v2-cv12*cv12)))/2.;
                     /* Eigen vectors */
                     v11=(1./sqrt(1+(v1-lc1)*(v1-lc1)/cv12/cv12));
                     /*v21=sqrt(1.-v11*v11); *//* error */
                     v21=(lc1-v1)/cv12*v11;
                     v12=-v21;
                     v22=v11;
                     tnalp=v21/v11;
                     if(first1==1){
                       first1=0;
                       printf("%d %d%d-%d%d mu %.4e %.4e Var %.4e %.4e cor %.3f cov %.4e Eig %.3e %.3e 1stv %.3f %.3f tang %.3f\nOthers in log...\n",(int) age,k1,l1,k2,l2,mu1,mu2,v1,v2,c12,cv12,lc1,lc2,v11,v21,tnalp);
                     }
                     fprintf(ficlog,"%d %d%d-%d%d mu %.4e %.4e Var %.4e %.4e cor %.3f cov %.4e Eig %.3e %.3e 1stv %.3f %.3f tan %.3f\n",(int) age,k1,l1,k2,l2,mu1,mu2,v1,v2,c12,cv12,lc1,lc2,v11,v21,tnalp);
                     /*printf(fignu*/
                     /* mu1+ v11*lc1*cost + v12*lc2*sin(t) */
                     /* mu2+ v21*lc1*cost + v22*lc2*sin(t) */
                     if(first==1){
                       first=0;
                       fprintf(ficgp,"\nset parametric;unset label");
                       fprintf(ficgp,"\nset log y;set log x; set xlabel \"p%1d%1d (year-1)\";set ylabel \"p%1d%1d (year-1)\"",k1,l1,k2,l2);
                       fprintf(ficgp,"\nset ter 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> :<a href=\"varpijgr%s%d%1d%1d-%1d%1d.png\">varpijgr%s%d%1d%1d-%1d%1d.png</A>, ",k1,l1,k2,l2,optionfilefiname, j1,k1,l1,k2,l2,optionfilefiname, j1,k1,l1,k2,l2);
                       fprintf(fichtm,"\n<br><img src=\"varpijgr%s%d%1d%1d-%1d%1d.png\"> ",optionfilefiname, j1,k1,l1,k2,l2);
                       fprintf(fichtm,"\n<br> Correlation at age %d (%.3f),",(int) age, c12);
                       fprintf(ficgp,"\nset out \"varpijgr%s%d%1d%1d-%1d%1d.png\"",optionfilefiname, j1,k1,l1,k2,l2);
                       fprintf(ficgp,"\nset label \"%d\" at %11.3e,%11.3e center",(int) age, mu1,mu2);
                       fprintf(ficgp,"\n# Age %d, p%1d%1d - p%1d%1d",(int) age, k1,l1,k2,l2);
                       fprintf(ficgp,"\nplot [-pi:pi] %11.3e+ %.3f*(%11.3e*%11.3e*cos(t)+%11.3e*%11.3e*sin(t)), %11.3e +%.3f*(%11.3e*%11.3e*cos(t)+%11.3e*%11.3e*sin(t)) not",\
                               mu1,std,v11,sqrt(lc1),v12,sqrt(lc2),\
                               mu2,std,v21,sqrt(lc1),v22,sqrt(lc2));
                     }else{
                       first=0;
                       fprintf(fichtm," %d (%.3f),",(int) age, c12);
                       fprintf(ficgp,"\n# Age %d, p%1d%1d - p%1d%1d",(int) age, k1,l1,k2,l2);
                       fprintf(ficgp,"\nset label \"%d\" at %11.3e,%11.3e center",(int) age, mu1,mu2);
                       fprintf(ficgp,"\nreplot %11.3e+ %.3f*(%11.3e*%11.3e*cos(t)+%11.3e*%11.3e*sin(t)), %11.3e +%.3f*(%11.3e*%11.3e*cos(t)+%11.3e*%11.3e*sin(t)) not",\
                               mu1,std,v11,sqrt(lc1),v12,sqrt(lc2),\
                               mu2,std,v21,sqrt(lc1),v22,sqrt(lc2));
                     }/* if first */
                   } /* age mod 5 */
                 } /* end loop age */
                 fprintf(ficgp,"\nset out \"varpijgr%s%d%1d%1d-%1d%1d.png\";replot;",optionfilefiname, j1,k1,l1,k2,l2);
                 first=1;
               } /*l12 */
             } /* k12 */
           } /*l1 */
         }/* k1 */
       } /* loop covariates */
     }
     free_ma3x(varpij,1,nlstate,1,nlstate+ndeath,(int) bage, (int)fage);
     free_matrix(mu,1,(nlstate+ndeath)*(nlstate+ndeath),(int) bage, (int)fage);
     free_vector(xp,1,npar);
     fclose(ficresprob);
     fclose(ficresprobcov);
     fclose(ficresprobcor);
     fclose(ficgp);
     fclose(fichtm);
   }
   
   
   /******************* Printing html file ***********/
   void printinghtml(char fileres[], char title[], char datafile[], int firstpass, \
                     int lastpass, int stepm, int weightopt, char model[],\
                     int imx,int jmin, int jmax, double jmeanint,char rfileres[],\
                     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);
     }
   
      fprintf(fichtm,"<ul><li><h4>Result files (first order: no variance)</h4>\n \
    - Observed prevalence in each state (during the period defined between %.lf/%.lf/%.lf and %.lf/%.lf/%.lf): <a href=\"p%s\">p%s</a> <br>\n \
    - Estimated transition probabilities over %d (stepm) months: <a href=\"pij%s\">pij%s</a><br>\n \
    - Stable prevalence in each health state: <a href=\"pl%s\">pl%s</a> <br>\n \
    - Life expectancies by age and initial health status (estepm=%2d months): \
      <a href=\"e%s\">e%s</a> <br>\n</li>", \
     jprev1, mprev1,anprev1,jprev2, mprev2,anprev2,fileres,fileres,stepm,fileres,fileres,fileres,fileres,estepm,fileres,fileres);
   
   fprintf(fichtm," \n<ul><li><b>Graphs</b></li><p>");
   
    m=cptcoveff;
    if (cptcovn < 1) {m=1;ncodemax[1]=1;}
   
    jj1=0;
    for(k1=1; k1<=m;k1++){
      for(i1=1; i1<=ncodemax[k1];i1++){
        jj1++;
        if (cptcovn > 0) {
          fprintf(fichtm,"<hr  size=\"2\" color=\"#EC5E5E\">************ Results for covariates");
          for (cpt=1; cpt<=cptcoveff;cpt++) 
            fprintf(fichtm," V%d=%d ",Tvaraff[cpt],nbcode[Tvaraff[cpt]][codtab[jj1][cpt]]);
          fprintf(fichtm," ************\n<hr size=\"2\" color=\"#EC5E5E\">");
        }
        /* Pij */
        fprintf(fichtm,"<br>- Pij or Conditional probabilities to be observed in state j being in state i, %d (stepm) months before: pe%s%d1.png<br> \
   <img src=\"pe%s%d1.png\">",stepm,strtok(optionfile, "."),jj1,strtok(optionfile, "."),jj1);     
        /* Quasi-incidences */
        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: pe%s%d2.png<br> \
   <img src=\"pe%s%d2.png\">",stepm,strtok(optionfile, "."),jj1,strtok(optionfile, "."),jj1); 
          /* Stable prevalence in each health state */
          for(cpt=1; cpt<nlstate;cpt++){
            fprintf(fichtm,"<br>- Stable prevalence in each health state : p%s%d%d.png<br> \
   <img src=\"p%s%d%d.png\">",strtok(optionfile, "."),cpt,jj1,strtok(optionfile, "."),cpt,jj1);
          }
        for(cpt=1; cpt<=nlstate;cpt++) {
           fprintf(fichtm,"\n<br>- Health life expectancies by age and initial health state (%d): exp%s%d%d.png <br> \
   <img src=\"exp%s%d%d.png\">",cpt,strtok(optionfile, "."),cpt,jj1,strtok(optionfile, "."),cpt,jj1);
        }
        fprintf(fichtm,"\n<br>- Total life expectancy by age and \
   health expectancies in states (1) and (2): e%s%d.png<br>\
   <img src=\"e%s%d.png\">",strtok(optionfile, "."),jj1,strtok(optionfile, "."),jj1);
      } /* end i1 */
    }/* End k1 */
    fprintf(fichtm,"</ul>");
   
   
    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\
    - Variance of one-step probabilities: <a href=\"prob%s\">prob%s</a> <br>\n\
    - Variance-covariance of one-step probabilities: <a href=\"probcov%s\">probcov%s</a> <br>\n\
    - Correlation matrix of one-step probabilities: <a href=\"probcor%s\">probcor%s</a> <br>\n\
    - Variances and covariances of life expectancies by age and initial health status (estepm=%d months): <a href=\"v%s\">v%s</a><br>\n\
    - Health expectancies with their variances (no covariance): <a href=\"t%s\">t%s</a> <br>\n\
    - Standard deviation of stable prevalences: <a href=\"vpl%s\">vpl%s</a> <br>\n",rfileres,rfileres,fileres,fileres,fileres,fileres,fileres,fileres, estepm, fileres,fileres,fileres,fileres,fileres,fileres);
   
   /*  if(popforecast==1) fprintf(fichtm,"\n */
   /*  - Prevalences forecasting: <a href=\"f%s\">f%s</a> <br>\n */
   /*  - Population forecasting (if popforecast=1): <a href=\"pop%s\">pop%s</a> <br>\n */
   /*      <br>",fileres,fileres,fileres,fileres); */
   /*  else  */
   /*    fprintf(fichtm,"\n No population forecast: popforecast = %d (instead of 1) or stepm = %d (instead of 1) or model=%s (instead of .)<br><br></li>\n",popforecast, stepm, model); */
   fprintf(fichtm," <ul><li><b>Graphs</b></li><p>");
   
    m=cptcoveff;
    if (cptcovn < 1) {m=1;ncodemax[1]=1;}
   
    jj1=0;
    for(k1=1; k1<=m;k1++){
      for(i1=1; i1<=ncodemax[k1];i1++){
        jj1++;
        if (cptcovn > 0) {
          fprintf(fichtm,"<hr  size=\"2\" color=\"#EC5E5E\">************ Results for covariates");
          for (cpt=1; cpt<=cptcoveff;cpt++) 
            fprintf(fichtm," V%d=%d ",Tvaraff[cpt],nbcode[Tvaraff[cpt]][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): v%s%d%d.png <br>\
   <img src=\"v%s%d%d.png\">",cpt,strtok(optionfile, "."),cpt,jj1,strtok(optionfile, "."),cpt,jj1);  
        }
      } /* end i1 */
    }/* End k1 */
    fprintf(fichtm,"</ul>");
   fclose(fichtm);
   }
   
   /******************* Gnuplot file **************/
   void printinggnuplot(char fileres[], double ageminpar, double agemaxpar, double fage , char pathc[], double p[]){
   
     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);
     
    /* 1eme*/
     for (cpt=1; cpt<= nlstate ; cpt ++) {
      for (k1=1; k1<= m ; k1 ++) {
        fprintf(ficgp,"\nset out \"v%s%d%d.png\" \n",strtok(optionfile, "."),cpt,k1);
        fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability\" \nset ter png small\nset size 0.65,0.65\nplot [%.f:%.f] \"vpl%s\" every :::%d::%d u 1:2 \"\%%lf",ageminpar,fage,fileres,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,\"vpl%s\" every :::%d::%d u 1:($2+1.96*$3) \"\%%lf",fileres,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,\"vpl%s\" every :::%d::%d u 1:($2-1.96*$3) \"\%%lf",fileres,k1-1,k1-1); 
        for (i=1; i<= nlstate ; i ++) {
          if (i==cpt) fprintf(ficgp," \%%lf (\%%lf)");
          else fprintf(ficgp," \%%*lf (\%%*lf)");
        }  
        fprintf(ficgp,"\" t\"\" w l 1,\"p%s\" every :::%d::%d u 1:($%d) t\"Observed prevalence \" w l 2",fileres,k1-1,k1-1,2+4*(cpt-1));
      }
     }
     /*2 eme*/
     
     for (k1=1; k1<= m ; k1 ++) { 
       fprintf(ficgp,"\nset out \"e%s%d.png\" \n",strtok(optionfile, "."),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,"\"t%s\" every :::%d::%d u 1:2 \"\%%lf",fileres,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,"\"t%s\" every :::%d::%d u 1:($2-$3*2) \"\%%lf",fileres,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,"\"t%s\" every :::%d::%d u 1:($2+$3*2) \"\%%lf",fileres,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 \"exp%s%d%d.png\" \n",strtok(optionfile, "."),cpt,k1);
         fprintf(ficgp,"set ter png small\nset size 0.65,0.65\nplot [%.f:%.f] \"e%s\" every :::%d::%d u 1:%d t \"e%d1\" w l",ageminpar,fage,fileres,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," ,\"e%s\" every :::%d::%d u 1:%d t \"e%d%d\" w l",fileres,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 \"p%s%d%d.png\" \n",strtok(optionfile, "."),cpt,k1);
         fprintf(ficgp,"set xlabel \"Age\" \nset ylabel \"Probability\" \nset ter png small\nset size 0.65,0.65\nplot [%.f:%.f] \"pij%s\" u ($1==%d ? ($3):1/0):($%d/($%d",ageminpar,agemaxpar,fileres,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,",\"pij%s\" u ($1==%d ? ($3):1/0):($%d/($%d",fileres,k1,l+cpt+1,l+1);
         for (i=1; i< nlstate ; i ++) {
           l=3+(nlstate+ndeath)*cpt;
           fprintf(ficgp,"+$%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 \"pe%s%d%d.png\" \n",strtok(optionfile, "."),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 */
      fclose(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 *optionfile)
   {
     if((fichier=fopen(optionfile,"a"))==NULL) {
       printf("Problem with file: %s\n", optionfile);
       fprintf(ficlog,"Problem with file: %s\n", optionfile);
       return (1);
     }
   
   }
   /***********************************************/
   /**************** 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;
     int numlinepar=0; /* Current linenumber of parameter 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[132],pathc[132],pathcd[132],pathtot[132],model[132];
     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 *strt, *strtend;
     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);
     strt=asctime(&tm);
   
   /*  printf("Localtime (at start)=%s",strt); */
   /*  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",strt);  */
   /*  (void) time (&time_value);
   *  printf("time=%d,t-=%d\n",time_value,time_value-86400);
   *  tm = *localtime(&time_value);
   *  strt=asctime(&tm);
   *  printf("tim_value=%d,asctime=%s\n",time_value,strt); 
   */
   
     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, 132)!= 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);
     replace(pathc,path);
   
     /*-------- 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, path=%s, optionfile=%s optionfilext=%s optionfilefiname=%s\n",pathtot,path,optionfile,optionfilext,optionfilefiname);
   
     printf("Localtime (at start)=%s",strt);
     fprintf(ficlog,"Localtime (at start)=%s",strt);
     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) {
       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 */
     
     /* 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,optionfile);
     strcat(optionfilehtm,".htm");
     if((fichtm=fopen(optionfilehtm,"w"))==NULL)    {
       printf("Problem with %s \n",optionfilehtm), exit(0);
     }
   
     fprintf(fichtm,"<body> <font size=\"2\">%s <br> %s</font> \
   <hr size=\"2\" color=\"#EC5E5E\"> \n\
   Title=%s <br>Datafile=%s Firstpass=%d Lastpass=%d Stepm=%d Weight=%d Model=%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>\n\
    - Date and time at start: %s</ul>\n",\
             version,fullversion,title,datafile,firstpass,lastpass,stepm, weightopt,\
             model,fileres,fileres,\
             filelog,filelog,optionfilegnuplot,optionfilegnuplot,strt);
     fclose(fichtm);
   
     /* 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);
   
     if(fileappend(fichtm, optionfilehtm)){
       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);
       fclose(fichtm);
     }
       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);*/
   
     printinggnuplot(fileres, 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);
   
     /*  fclose(fichtm);*/
     /*  fclose(ficgp);*/ /* ALready done */
     
   
     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);
     strtend=asctime(&tm);
     printf("Localtime at start %s and at end=%s",strt, strtend); 
     fprintf(ficlog,"Localtime at start %s and at end=%s",strt, 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>Localtime at start %s and at end=%s<br>",strt, strtend);
       fclose(fichtm);
     }
     /*------ End -----------*/
   
     end:
   #ifdef windows
     /* chdir(pathcd);*/
   #endif 
    /*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 */
   }
   
   

Removed from v.1.9  
changed lines
  Added in v.1.86


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