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NFFT
3.3.1
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00001 /* 00002 * Copyright (c) 2002, 2016 Jens Keiner, Stefan Kunis, Daniel Potts 00003 * 00004 * This program is free software; you can redistribute it and/or modify it under 00005 * the terms of the GNU General Public License as published by the Free Software 00006 * Foundation; either version 2 of the License, or (at your option) any later 00007 * version. 00008 * 00009 * This program is distributed in the hope that it will be useful, but WITHOUT 00010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00011 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 00012 * details. 00013 * 00014 * You should have received a copy of the GNU General Public License along with 00015 * this program; if not, write to the Free Software Foundation, Inc., 51 00016 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00017 */ 00018 00019 #include "infft.h" 00020 00021 #ifdef _OPENMP 00022 #include <omp.h> 00023 #endif 00024 00025 INT Y(get_num_threads)(void) 00026 { 00027 #ifdef _OPENMP 00028 INT nthreads; 00029 #pragma omp parallel default(shared) 00030 { 00031 INT n = (INT)omp_get_num_threads(); 00032 #pragma omp master 00033 { 00034 nthreads = n; 00035 } 00036 } 00037 return nthreads; 00038 #else 00039 return 1; 00040 #endif 00041 }