diff src/fftw-3.3.3/api/import-system-wisdom.c @ 10:37bf6b4a2645

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/api/import-system-wisdom.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2003, 2007-11 Matteo Frigo
+ * Copyright (c) 2003, 2007-11 Massachusetts Institute of Technology
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include "api.h"
+
+#if defined(FFTW_SINGLE)
+#  define WISDOM_NAME "wisdomf"
+#elif defined(FFTW_LDOUBLE)
+#  define WISDOM_NAME "wisdoml"
+#else
+#  define WISDOM_NAME "wisdom"
+#endif
+
+/* OS-specific configuration-file directory */
+#if defined(__DJGPP__)
+#  define WISDOM_DIR "/dev/env/DJDIR/etc/fftw/"
+#else
+#  define WISDOM_DIR "/etc/fftw/"
+#endif
+
+int X(import_system_wisdom)(void)
+{
+#if defined(__WIN32__) || defined(WIN32) || defined(_WINDOWS)
+     return 0; /* TODO? */
+#else
+
+     FILE *f;
+     f = fopen(WISDOM_DIR WISDOM_NAME, "r");
+     if (f) {
+          int ret = X(import_wisdom_from_file)(f);
+          fclose(f);
+          return ret;
+     } else
+          return 0;
+#endif
+}