/* ---------------------------------------------------------------------- */
struct FlowBoundaryConditions *
flow_conditions_construct(size_t nbc)
/* ---------------------------------------------------------------------- */
{
int ok;
struct FlowBoundaryConditions *fbc;
fbc = malloc(1 * sizeof *fbc);
if (fbc != NULL) {
ok = initialise_structure(fbc);
ok = ok && expand_tables(nbc, nbc, fbc);
if (! ok) {
flow_conditions_destroy(fbc);
fbc = NULL;
} else {
fbc->cond_pos[0] = 0;
}
}
return fbc;
}
int main(int argc, char **argv) {
/*
** Variables
*/
INT i, j, index;
INT outputgridr, outputgriddf;
DOUBLE randomseed;
DOUBLE t0, t1, t2, t3, t4, t5, t6, t7;
PARTICLE *bh;
SI *halo;
GI *gi;
CHAR FILENAME[STRINGSIZE], INPUTNAME[STRINGSIZE];
FILE *file;
randomseed = time(NULL);
t0 = ((DOUBLE) clock())/((DOUBLE) CLOCKS_PER_SEC);
initialise_fixed_structures(&bh, &halo, &gi);
set_standard_values_for_parameters(&outputgridr, &outputgriddf, gi, halo);
sprintf(INPUTNAME,"none");
initialise_black_hole(bh);
initialise_parameters(halo);
/*
** Read in and calculate model parameters
*/
i = 1;
while (i < argc) {
/*
** Halo parameters
*/
if (strcmp(argv[i],"-a") == 0) {
i++;
if (i >= argc) {
usage();
}
halo->sp->alpha = atof(argv[i]);
i++;
}
else if (strcmp(argv[i],"-b") == 0) {
i++;
if (i >= argc) {
usage();
}
halo->sp->beta = atof(argv[i]);
i++;
}
else if (strcmp(argv[i],"-c") == 0) {
i++;
if (i >= argc) {
usage();
}
halo->sp->gamma = atof(argv[i]);
i++;
}
else if (strcmp(argv[i],"-M") == 0) {
i++;
if (i >= argc) {
usage();
}
halo->sp->M = atof(argv[i]);
i++;
}
else if (strcmp(argv[i],"-rs") == 0) {
i++;
if (i >= argc) {
usage();
}
halo->sp->rs = atof(argv[i]);
i++;
}
else if (strcmp(argv[i],"-rcutoff") == 0) {
i++;
if (i >= argc) {
usage();
}
halo->sp->rcutoff = atof(argv[i]);
i++;
}
else if (strcmp(argv[i],"-N") == 0) {
i++;
if (i >= argc) {
usage();
}
halo->N0 = (INT) (atof(argv[i]));
i++;
}
/*
** Black hole parameters
*/
else if (strcmp(argv[i],"-MBH") == 0) {
i++;
if (i >= argc) {
usage();
}
bh->mass = atof(argv[i]);
i++;
}
/*
** Model name
*/
else if (strcmp(argv[i],"-name") == 0) {
i++;
if (i >= argc) {
usage();
}
sprintf(INPUTNAME,"%s",argv[i]);
i++;
}
/*
** Output parameters
*/
else if (strcmp(argv[i],"-ogr") == 0) {
outputgridr = 1;
i++;
}
else if (strcmp(argv[i],"-ogdf") == 0) {
outputgriddf = 1;
i++;
}
/*
** Special parameters
*/
else if (strcmp(argv[i],"-randomseed") == 0) {
i++;
if (i >= argc) {
usage();
}
randomseed = atof(argv[i]);
i++;
}
else if (strcmp(argv[i],"-dorvirexact") == 0) {
gi->dorvirexact = 1;
i++;
}
/*
** Help or failure
*/
else if ((strcmp(argv[i],"-h") == 0) || (strcmp(argv[i],"-help") == 0)) {
usage();
}
else {
usage();
}
}
fprintf(stderr,"Checking parameters, calculating halo properties and initialising grid in r... \n");
srand48(randomseed);
/*
** Check main input parameters
*/
if (strcmp(INPUTNAME,"none") == 0) {
fprintf(stderr,"You have not set a name for the output model.\n");
usage();
}
if ((NGRIDR-1) % (NGRIDDF-1) != 0) {
fprintf(stderr,"Bad choice of NGRIDR and NGRIDDF!\n");
fprintf(stderr,"These numbers have to fulfill the condition (NGRIDR-1) mod (NGRIDDF-1) == 0.\n");
usage();
}
check_main_parameters(halo);
calculate_parameters(gi,halo);
initialise_all_grids(gi, bh, halo, outputgridr, outputgriddf, t0, &t1, FILENAME, INPUTNAME);
/*
** Initialise structure
*/
initialise_structure(gi,halo);
/*
** Set particle positions
*/
t2 = ((DOUBLE) clock())/((DOUBLE) CLOCKS_PER_SEC);
fprintf(stderr,"Done in "OFD1" seconds.\nSetting particle positions... \n",t2-t1);
set_positions(halo);
/*
** Set particle velocities
*/
t3 = ((DOUBLE) clock())/((DOUBLE) CLOCKS_PER_SEC);
fprintf(stderr,"Done in "OFD1" seconds.\nSetting particle velocities... \n",t3-t2);
set_velocities(gi,halo);
/*
** Set remaining attributes
*/
t4 = ((DOUBLE) clock())/((DOUBLE) CLOCKS_PER_SEC);
fprintf(stderr,"Done in "OFD1" seconds.\nSetting remaining particle attributes... \n",t4-t3);
set_attributes(gi,halo);
/*
** Calculate a few things and do center of mass correction
*/
t5 = ((DOUBLE) clock())/((DOUBLE) CLOCKS_PER_SEC);
fprintf(stderr,"Done in "OFD1" seconds\nCalculating a few things, doing mass scaling and correct center of mass position and velocity... \n",t5-t4);
double_particles(halo);
calculate_stuff(gi,bh,halo);
/*
** Write Output
*/
t6 = ((DOUBLE) clock())/((DOUBLE) CLOCKS_PER_SEC);
fprintf(stderr,"Done in "OFD1" seconds\nWriting Output... \n",t6-t5);
sprintf(FILENAME,"%s.IC.ascii",INPUTNAME);
file = fopen(FILENAME,"w");
index = 1;
if (bh->mass != 0) {
assert(fprintf(file,OFI1" ",index) > 0);
assert(fprintf(file,OFD5" ",bh->mass) > 0);
for (j = 0; j < 3; j++) {
assert(fprintf(file,OFD6" ",bh->r[j+1]) > 0);
}
for (j = 0; j < 3; j++) {
assert(fprintf(file,OFD6" ",bh->v[j+1]) > 0);
}
assert(fprintf(file,"\n") > 0);
index++;
}
for (i = 0; i < halo->N; i++) {
assert(fprintf(file,OFI1" ",index) > 0);
assert(fprintf(file,OFD5" ",halo->p[i].mass) > 0);
for (j = 0; j < 3; j++) {
assert(fprintf(file,OFD6" ",halo->p[i].r[j+1]) > 0);
}
for (j = 0; j < 3; j++) {
assert(fprintf(file,OFD6" ",halo->p[i].v[j+1]) > 0);
}
assert(fprintf(file,"\n") > 0);
index++;
}
fclose(file);
/*
** Print some output in file
*/
sprintf(FILENAME,"%s.out",INPUTNAME);
file = fopen(FILENAME,"w");
assert(file != NULL);
fprintf(file,"HALOGEN4MUSE by Marcel Zemp / Version 30. August 2007\n\n");
fprintf(file,"Command line\n\n");
for (i = 0; i < argc; i++) fprintf(file,"%s ",argv[i]);
fprintf(file,"\n\n");
fprintf(file,"Model properties\n\n");
fprintf(file,"alpha = "OFD1"\n",halo->sp->alpha);
fprintf(file,"beta = "OFD1"\n",halo->sp->beta);
fprintf(file,"gamma = "OFD1"\n",halo->sp->gamma);
fprintf(file,"rho0 = "OFD3" MU LU^-3\n",halo->sp->rho0);
fprintf(file,"\n");
if (bh->mass > 0) {
fprintf(file,"MBH = "OFD3" MU\n",bh->mass);
fprintf(file,"\n");
}
fprintf(file,"rs = "OFD3" LU\n",halo->sp->rs);
fprintf(file,"rhalf = "OFD3" LU\n",halo->sp->rhalf);
fprintf(file,"rvir = "OFD3" LU\n",halo->sp->rvir);
fprintf(file,"rinner = "OFD3" LU\n",gi->rinner);
fprintf(file,"router = "OFD3" LU\n",gi->router);
if (halo->sp->rcutoff != SBI) {
fprintf(file,"rcutoff = "OFD3" LU\n",halo->sp->rcutoff);
fprintf(file,"rdecay = "OFD3" LU\n",halo->sp->rdecay);
}
fprintf(file,"\n");
fprintf(file,"M(rs) = "OFD3" MU\n",Menc(halo->sp->rs,gi));
fprintf(file,"M(rhalf) = "OFD3" MU\n",Menc(halo->sp->rhalf,gi));
fprintf(file,"M(rvir) = "OFD3" MU\n",Menc(halo->sp->rvir,gi));
fprintf(file,"M(rinner) = "OFD3" MU\n",Menc(gi->rinner,gi));
fprintf(file,"M(router) = "OFD3" MU\n",Menc(gi->router,gi));
if (halo->sp->rcutoff != SBI) {
fprintf(file,"M(rcutoff) = "OFD3" MU\n",Menc(halo->sp->rcutoff,gi));
}
fprintf(file,"\n");
fprintf(file,"Sampling properties\n\n");
fprintf(file,"|Cr| = "OFD3" MU Cr = ("OFD4", "OFD4", "OFD4") MU\n",gi->stuff->Cr[0],gi->stuff->Cr[1],gi->stuff->Cr[2],gi->stuff->Cr[3]);
fprintf(file,"|Cv| = "OFD3" MU TU^-1 Cv = ("OFD4", "OFD4", "OFD4") MU TU^-1\n",gi->stuff->Cv[0],gi->stuff->Cv[1],gi->stuff->Cv[2],gi->stuff->Cv[3]);
fprintf(file,"\n");
fprintf(file,"Etot = "OFD4" MU LU^2 TU^-2\n",gi->stuff->Etot);
fprintf(file,"Ekin = "OFD4" MU LU^2 TU^-2\n",gi->stuff->Ekin);
fprintf(file,"Epot = "OFD4" MU LU^2 TU^-2\n",gi->stuff->Epot);
fprintf(file,"Rvir = |2*Ekin/Epot| = %g\n",fabs(2*gi->stuff->Ekin/gi->stuff->Epot));
fprintf(file,"\n");
fprintf(file,"Ntot = "OFD3" = "OFI1"\n",(DOUBLE)gi->stuff->N,gi->stuff->N);
fprintf(file,"rimp = "OFD3" LU\n",halo->rimp);
fprintf(file,"r1 = "OFD3" LU\n",halo->r1);
fprintf(file,"r100 = "OFD3" LU\n",halo->r100);
fprintf(file,"Mtheo = "OFD3" MU\n",bh->mass + halo->sp->M);
fprintf(file,"Msamp = "OFD3" MU\n",gi->stuff->Mp);
fprintf(file,"(Msamp-Mtheo)/Mtheo = "OFD3"\n",gi->stuff->Mp/(bh->mass + halo->sp->M)-1.0);
fprintf(file,"Random seed = "OFD3"\n",randomseed);
fprintf(file,"\n");
fprintf(file,"Times for individual steps\n\n");
fprintf(file,"Calculation of halo properties and initialisation of grid in r: "OFD1" seconds.\n",t1-t0);
fprintf(file,"Initialisation of grid for distribution function: "OFD1" seconds.\n",t2-t1);
fprintf(file,"Setting particle positions: "OFD1" seconds\n",t3-t2);
fprintf(file,"Setting particle velocities: "OFD1" seconds\n",t4-t3);
fprintf(file,"Setting remaining particle attributes: "OFD1" seconds\n",t5-t4);
fprintf(file,"Calculating a few things and correct center of mass: "OFD1" seconds\n",t6-t5);
t7 = ((DOUBLE) clock())/((DOUBLE) CLOCKS_PER_SEC);
fprintf(file,"Writing output: "OFD1" seconds\n",t7-t6);
fprintf(file,"Total time: "OFD1" seconds\n",t7-t0);
fclose(file);
fprintf(stderr,"Done in "OFD1" seconds\nTotal time needed was "OFD1" seconds\n",t7-t6,t7-t0);
free(bh);
free(halo);
free(gi);
exit(0);
} /* end of main function */
