int gbIso9660 :: open_file(const char * file)
{
stream = fopen(file, "rb");
if(!stream)
return ERROR_NOT_OPENED;
//Check the file is at least 0x8000 long
if(fseek(stream, VOLUME_DESCRIPTOR_START_SECTOR * SECTOR_SIZE, SEEK_SET))
{
fclose(stream);
return ERROR_INVALID;
};
//Check the volume descriptor signature
volume_descriptor vd;
fread(&vd, sizeof(volume_descriptor), 1, stream);
if(memcmp(&vd.magic, VOLUME_DESCRIPTOR_SIGNATURE, sizeof(vd.magic)))
{
fclose(stream);
return ERROR_NOT_ISO;
};
//Load primary volume descriptor
if(load_primary_volume_descriptor() != OK)
return ERROR_PRIMARY_VOLUME_DESCRIPTOR;
//Create ISO filesystem tree
delete_main_tree();
if(create_path_table() != OK)
return ERROR_PATH_TABLE;
return OK;
};
fermion_links_t *
create_fermion_links(int precision, int phases_in, su3_matrix *links) {
fermion_links_t *fl;
ks_action_paths *ap, *ap_du0;
info_t info = INFO_ZERO;
char myname[] = "create_fermion_links";
/* Precision for MILC is ignored: use the prevailing precision */
if(precision != PRECISION)
if(mynode() == 0)printf("%s: Warning. Precision request replaced by %d\n",
myname, PRECISION);
if( phases_in != 1) {
if(mynode() == 0)printf("BOTCH: %s needs phases in\n",myname);
terminate(1);
}
fl = create_fermion_links_t();
/* Create the path tables */
/* (We copy the pointers into the fm_ap_links_t objects
and the responsibility for freeing space is handed over to
"destroy_fm_ap_links_t") */
ap = create_path_table();
if(fl->options.want_du0)
ap_du0 = create_path_table();
else
ap_du0 = NULL;
make_path_table(ap, ap_du0);
/* Complete the structure */
fl->flg = create_milc_fm_links_t(&info, ap, ap_du0, links, &fl->options);
#ifdef FLTIME
if(mynode()==0)printf("FLTIME: time = %e (asqtad %s) mflops = %e\n",
info.final_sec,milc_prec[PRECISION-1],
info.final_flop/(1e6*info.final_sec) );
#endif
return fl;
}