comparison src/fftw-3.3.8/libbench2/dotens2.c @ 167:bd3cc4d1df30

Add FFTW 3.3.8 source, and a Linux build

+/*
+ * 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 "verify.h"
+
+static void recur(int rnk, const bench_iodim *dims0, const bench_iodim *dims1,
+		  dotens2_closure *k, 
+		  int indx0, int ondx0, int indx1, int ondx1)
+{
+     if (rnk == 0)
+          k->apply(k, indx0, ondx0, indx1, ondx1);
+     else {
+          int i, n = dims0[0].n;
+          int is0 = dims0[0].is;
+          int os0 = dims0[0].os;
+          int is1 = dims1[0].is;
+          int os1 = dims1[0].os;
+
+	  BENCH_ASSERT(n == dims1[0].n);
+
+          for (i = 0; i < n; ++i) {
+               recur(rnk - 1, dims0 + 1, dims1 + 1, k,
+		     indx0, ondx0, indx1, ondx1);
+	       indx0 += is0; ondx0 += os0;
+	       indx1 += is1; ondx1 += os1;
+	  }
+     }
+}
+
+void bench_dotens2(const bench_tensor *sz0, const bench_tensor *sz1, dotens2_closure *k)
+{
+     BENCH_ASSERT(sz0->rnk == sz1->rnk);
+     if (sz0->rnk == BENCH_RNK_MINFTY)
+          return;
+     recur(sz0->rnk, sz0->dims, sz1->dims, k, 0, 0, 0, 0);
+}