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bayesBest.c
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Mon, Nov 25, 14:31

bayesBest.c
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#include<stdio.h>
#include<signal.h>
#include<stdlib.h>
#include<string.h>
#include<time.h>
#include "dimension.h"
#include "structure.h"
#include "constant.h"
#include "fonction.h"
#include "bayesChires.h"
/******************************************************************************
* Name: bayesBest.c
* Authors: EJ
* Date: 31/08/07
*
* Analyse a bayes.dat file and compute the best.par and bestopt.par files
* from it.
*
* syntax : bayesBest <.par>
*
* The bayes.dat file in the current directory is used.
* Output : best.par bestopt.par
*
******************************************************************************/
typedef void (*sighandler_t)(int);
int optInterrupt;
void help_msg()
{
fprintf(stderr, "Syntax : bayesBest [OPTION] <.par> <method>\n");
fprintf(stderr, "Available methods : best, mean, median, mode\n");
fprintf(stderr, "\t-u\n\t\tset uniform prior for the bestopt.par limits.\n");
fprintf(stderr, "\t-g\n\t\tset Gaussian prior for the bestopt.par limits (Default).\n");
fprintf(stderr, "\t-s[LIMIT]\n\t\tset the width of the prior to LIMIT x 1 sigma (Default 3).\n");
exit(-1);
}
void writeSource()
{
}
int main( int argc, char** argv )
{
int method;
int ival, i;
int prior;
double limit;
char *pch;
FILE *IN;
extern int sblock[NFMAX][NPAMAX];
extern struct g_source S;
extern struct galaxie sources[NFMAX];
int ipx;
// Check the arguments
if( argc < 2 )
help_msg();
// Analyse the options
prior = 3;
limit = 3.;
while( argv[1][0] == '-' )
{
pch = argv[1];
if( pch[1] == 'u' )
prior = 1; // uniform prior
else if( pch[1] == 's' )
{
pch+=2;
if( sscanf(pch, "%lf", &limit) == 0) help_msg();
}
for( i = 1; i < argc-1 ; i++ )
argv[i]=argv[i+1];
argc--;
}
if( strstr(argv[1], ".par") == NULL )
help_msg();
// Default method : best
method = -4;
if( argc == 3 )
{
if( !strcmp( argv[2], "mean" ) ) method = -1;
else if( !strcmp( argv[2], "median" ) ) method = -2;
else if( !strcmp( argv[2], "mode" ) ) method = -3;
else if( sscanf( argv[2], "%d", &ival ) == 1 ) method = ival;
}
// Read the .par file
init_grille( argv[1], 1);
// Read constraints
readConstraints();
if( G.nmsgrid != G.nlens )
{
prep_non_param();
}
// Set the best model in memory
o_set_lens_bayes(method, prior, limit);
// Reset the lens parameters
set_res_par();
// Print the best.par and bestopt.par files
// save the original best.par and bestopt.par
if( IN = fopen( "best.par" ,"r") )
{
fclose(IN);
time_t rawtime;
struct tm *timeinfo;
char buffer[15],cmd[50];
time(&rawtime);
timeinfo = localtime(&rawtime);
strftime(buffer,15,"%Y%m%d%H%M%S",timeinfo);
sprintf(cmd,"cp best.par best.par.%s",buffer);
system(cmd);
sprintf(cmd,"cp bestopt.par bestopt.par.%s",buffer);
system(cmd);
}
// Write a new source.best file if source optimization
int sourcelimit_flag = 0;
for( i = 0; i < S.ns; i++ )
for( ipx = SCX; ipx <= SFLUX; ipx ++ )
sourcelimit_flag += sblock[i][ipx];
if( sourcelimit_flag > 0 )
strcpy(M.sourfile, "source.best" );
M.source = 2;
o_print_res(o_chi(), 0.); // we don't know the evidence
// clean o_global() variables... put source coordinates back to absolute
long int sns_sav = S.ns;
o_global_free();
S.ns = sns_sav;
if( sourcelimit_flag > 0 )
ecrire_r(0, S.ns, source, "source.best", 6);
return 0;
}

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