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main.c
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Wed, Jan 1, 03:35

main.c
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#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>
#include<omp.h>
#include<fonction.h>
#include<constant.h>
#include<dimension.h>
#include<structure.h>
/****************************************************************/
/* nom: LENSTOOL */
/* auteur: Jean-Paul Kneib */
/* date: 10/02/92 */
/* place: Toulouse */
/****************************************************************/
/*Global variables declaration*/
struct g_mode M;
struct g_pot P[NPOTFILE];
struct g_pixel imFrame, wFrame, ps, PSF;
struct g_cube cubeFrame;
struct g_dyn Dy; // //TV
struct g_source S;
struct g_image I;
struct g_grille G;
struct g_msgrid H; // multi-scale grid
struct g_frame F;
struct g_large L;
struct g_cosmo C;
struct g_cline CL;
struct g_observ O;
struct pot lens[NLMAX];
struct pot lmin[NLMAX], lmax[NLMAX], prec[NLMAX];
struct g_cosmo clmin, clmax; /*cosmological limits*/
struct galaxie smin[NFMAX], smax[NFMAX]; // limits on source parameters
struct ipot ip;
struct MCarlo mc;
struct vfield vf;
struct vfield vfmin,vfmax; // limits on velocity field parameters
struct cline cl[NIMAX];
lensdata *lens_table;
int block[NLMAX][NPAMAX]; /*switch for the lens optimisation*/
int cblock[NPAMAX]; /*switch for the cosmological optimisation*/
int sblock[NFMAX][NPAMAX]; /*switch for the source parameters*/
int vfblock[NPAMAX]; /*switch for the velocity field parameters*/
double excu[NLMAX][NPAMAX];
double excd[NLMAX][NPAMAX];
/* suppléments tableaux de valeurs pour fonctions g pour Einasto
* Ce sont trois variables globales qu'on pourra utiliser dans toutes les fonctions du projet
*/
#define CMAX 20
#define LMAX 80
float Tab1[LMAX][CMAX];
float Tab2[LMAX][CMAX];
float Tab3[LMAX][CMAX];
int nrline, ntline, flagr, flagt;
long int narclet;
struct point gimage[NGGMAX][NGGMAX], gsource_global[NGGMAX][NGGMAX];
struct biline radial[NMAX], tangent[NMAX];
struct galaxie arclet[NAMAX], source[NFMAX], image[NFMAX][NIMAX];
struct galaxie cimage[NFMAX];
struct pointgal gianti[NPMAX][NIMAX];
struct point SC;
double elix;
double alpha_e;
double *v_xx;
double *v_yy;
double **map_p;
double **tmp_p;
double **map_axx;
double **map_ayy;
double myseconds()
{
struct timeval tp;
struct timezone tzp;
//
int i = gettimeofday(&tp,&tzp);
//
return ( (double) tp.tv_sec + (double) tp.tv_usec * 1.e-6 );
}
int main(int argc, char *argv[])
{
/************* declaration de common et locale ****************/
extern struct g_mode M;
extern struct g_grille G;
extern struct galaxie source[NFMAX];
extern struct galaxie image[NFMAX][NIMAX];
int noedit, init;
double chi2, lhood0;
char infile[80];
long int ni, ncistart;
#ifdef _OPENMP
fprintf(stderr, "You are running openMP version of lenstool with %d threads\n", omp_get_max_threads());
fprintf(stderr, "You can change number of threads by set environment variable OMP_NUM_THREADS\n");
// fprintf(stderr, "ATTENTION!!! Make sure that you have at least %d FREE cores, otherwise you will have huge slow down\n", omp_get_max_threads());
#endif
/************* Verification du format de la commande ****************/
if ( argc != 2 && argc != 3 )
{
fprintf(stderr, "\nUnexpected number of arguments\n");
fprintf(stderr, "\nUSAGE:\n");
fprintf(stderr, "lenstool input_file [-n]\n\n");
exit(-1);
}
if ( argc == 2 || argc == 3 )
strcpy (infile, argv[1]);
if ( strstr( infile, ".par" ) == NULL )
strcat( infile, ".par" );
noedit = 0;
if ( argc == 3 && !strcmp(argv[2], "-n") )
noedit = 1;
/************** Read the .par file and initialise potentials ***********/
init = init_grille(infile, noedit);
if ( noedit == 0 && M.verbose > 0 )
copyright();
/************** Print common information *******************************/
if ( M.iref != 0 )
NPRINTF(stderr, "Reference coordinates WCS : %lf, %lf\n",
M.ref_ra, M.ref_dec);
NPRINTF(stderr, "Conversion Factor @ z = %.3lf, 1 arcsec == %.3lf kpc\n",
lens[0].z, d0 / C.h*distcosmo1(lens[0].z));
/*************** Creation d'un grille polaire ou cartesienne ***********/
if ( G.pol != 0 )
gridp();
else
grid();
/*************** Optimisation globale **********************************/
if ( M.inverse != 0 )
o_global();
tracepot();
if ( M.ichi2 != 0 )
{
int error;
NPRINTF(stdout, "INFO: compute chires.dat\n");
readConstraints();
o_chires("chires.dat");
double t1;
t1 = -myseconds();
error = o_chi_lhood0(&chi2, &lhood0, NULL);
t1 += myseconds();
printf("o_chi_lhood0 Time taken %f seconds \n", t1);
printf("INFO: chi2 %lf Lhood %lf\n", chi2, -0.5 * ( chi2 + lhood0 ) );
o_global_free();
}
return 0;
}

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