annotate src/fftw-3.3.8/api/import-system-wisdom.c @ 82:d0c2a83c1364

Add FFTW 3.3.8 source, and a Linux build
author Chris Cannam
date Tue, 19 Nov 2019 14:52:55 +0000
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Chris@82 1 /*
Chris@82 2 * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@82 3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@82 4 *
Chris@82 5 * This program is free software; you can redistribute it and/or modify
Chris@82 6 * it under the terms of the GNU General Public License as published by
Chris@82 7 * the Free Software Foundation; either version 2 of the License, or
Chris@82 8 * (at your option) any later version.
Chris@82 9 *
Chris@82 10 * This program is distributed in the hope that it will be useful,
Chris@82 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@82 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@82 13 * GNU General Public License for more details.
Chris@82 14 *
Chris@82 15 * You should have received a copy of the GNU General Public License
Chris@82 16 * along with this program; if not, write to the Free Software
Chris@82 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Chris@82 18 *
Chris@82 19 */
Chris@82 20
Chris@82 21 #include "api/api.h"
Chris@82 22
Chris@82 23 #if defined(FFTW_SINGLE)
Chris@82 24 # define WISDOM_NAME "wisdomf"
Chris@82 25 #elif defined(FFTW_LDOUBLE)
Chris@82 26 # define WISDOM_NAME "wisdoml"
Chris@82 27 #else
Chris@82 28 # define WISDOM_NAME "wisdom"
Chris@82 29 #endif
Chris@82 30
Chris@82 31 /* OS-specific configuration-file directory */
Chris@82 32 #if defined(__DJGPP__)
Chris@82 33 # define WISDOM_DIR "/dev/env/DJDIR/etc/fftw/"
Chris@82 34 #else
Chris@82 35 # define WISDOM_DIR "/etc/fftw/"
Chris@82 36 #endif
Chris@82 37
Chris@82 38 int X(import_system_wisdom)(void)
Chris@82 39 {
Chris@82 40 #if defined(__WIN32__) || defined(WIN32) || defined(_WINDOWS)
Chris@82 41 return 0; /* TODO? */
Chris@82 42 #else
Chris@82 43
Chris@82 44 FILE *f;
Chris@82 45 f = fopen(WISDOM_DIR WISDOM_NAME, "r");
Chris@82 46 if (f) {
Chris@82 47 int ret = X(import_wisdom_from_file)(f);
Chris@82 48 fclose(f);
Chris@82 49 return ret;
Chris@82 50 } else
Chris@82 51 return 0;
Chris@82 52 #endif
Chris@82 53 }