diff src/fftw-3.3.8/kernel/stride.c @ 82:d0c2a83c1364

Add FFTW 3.3.8 source, and a Linux build

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.8/kernel/stride.c	Tue Nov 19 14:52:55 2019 +0000
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2003, 2007-14 Matteo Frigo
+ * Copyright (c) 2003, 2007-14 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 "kernel/ifftw.h"
+
+const INT X(an_INT_guaranteed_to_be_zero) = 0;
+
+#ifdef PRECOMPUTE_ARRAY_INDICES
+stride X(mkstride)(INT n, INT s)
+{
+     int i;
+     INT *p;
+
+     A(n >= 0);
+     p = (INT *) MALLOC((size_t)n * sizeof(INT), STRIDES);
+
+     for (i = 0; i < n; ++i)
+          p[i] = s * i;
+
+     return p;
+}
+
+void X(stride_destroy)(stride p)
+{
+     X(ifree0)(p);
+}
+
+#endif