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bayesAmp.c
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Mon, Nov 25, 14:16

bayesAmp.c
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#include<stdio.h>
#include<signal.h>
#include<stdlib.h>
#include<string.h>
#include "dimension.h"
#include "structure.h"
#include "constant.h"
#include "fonction.h"
#include "bayesChires.h"
/******************************************************************************
* Name: bayesAmp.c
* Authors: EJ
* Date: 30/10/07
*
* Analyse a bayes.dat file and print the amplification for each optimised
* system.
*
* syntax : bayesAmp <.par>
*
* The bayes.dat file in the current directory is used.
* Output : none
*
******************************************************************************/
typedef void (*sighandler_t)(int);
static void signalReset();
int optInterrupt;
int main( int argc, char** argv )
{
double **array; // contains the bayes.dat data
double amp;
int nParam; // size of array
long int iVal, nVal;
int i, j;
// Check the arguments
if( argc < 2 ||
strstr( argv[1], ".par" ) == NULL )
{
fprintf(stderr, "Syntax : bayesAmp <.par>\n");
return -1;
}
// Read the .par file
init_grille( argv[1], 1);
// Read the image file
readConstraints();
// Print header with redshifts
printf( "#Nsample\n" );
for( i = 0; i < I.n_mult; i++ )
{
printf( "#Amplification of %s : %f\n",
multi[i][0].n, multi[i][0].z );
}
// Read the bayes.dat file
array = readBayesModels(&nParam, &nVal);
if( array == NULL )
{
fprintf(stderr, "ERROR: bayes.dat file not found\n");
return -1;
}
// Handle CTRL-C to interrupt the optimisation but not lenstool
signal(SIGINT, signalReset);
optInterrupt = 0;
// Loop over each line
for( iVal = 0; iVal < nVal && !optInterrupt; iVal++ )
{
// Set the lens parameters from <array>
setBayesModel( iVal, nVal, array );
printf( "%ld ", iVal );
// Print the averaged amplification for each system
for( i = 0; i < I.n_mult; i++ )
{
amp = 0.;
for( j = 0; j < I.mult[i]; j++ )
amp += 1./e_amp(&multi[i][j].C,multi[i][j].dl0s,multi[i][j].dos,multi[i][j].z);
amp /= I.mult[i];
printf( "%f ", amp );
}
printf("\n");
}
free( array );
return 0;
}
static void signalReset()
{
signal(SIGINT, SIG_DFL);
optInterrupt = 1;
printf( "\nINFO: Optimisation interrupted by CTRL-C\r");
}

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