diff src/fftw-3.3.3/mpi/dtensor.c @ 10:37bf6b4a2645

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/mpi/dtensor.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,146 @@
+/*
+ * 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 "ifftw-mpi.h"
+
+dtensor *XM(mkdtensor)(int rnk) 
+{
+     dtensor *x;
+
+     A(rnk >= 0);
+
+#if defined(STRUCT_HACK_KR)
+     if (FINITE_RNK(rnk) && rnk > 1)
+	  x = (dtensor *)MALLOC(sizeof(dtensor) + (rnk - 1) * sizeof(ddim),
+				    TENSORS);
+     else
+	  x = (dtensor *)MALLOC(sizeof(dtensor), TENSORS);
+#elif defined(STRUCT_HACK_C99)
+     if (FINITE_RNK(rnk))
+	  x = (dtensor *)MALLOC(sizeof(dtensor) + rnk * sizeof(ddim),
+				    TENSORS);
+     else
+	  x = (dtensor *)MALLOC(sizeof(dtensor), TENSORS);
+#else
+     x = (dtensor *)MALLOC(sizeof(dtensor), TENSORS);
+     if (FINITE_RNK(rnk) && rnk > 0)
+          x->dims = (ddim *)MALLOC(sizeof(ddim) * rnk, TENSORS);
+     else
+          x->dims = 0;
+#endif
+
+     x->rnk = rnk;
+     return x;
+}
+
+void XM(dtensor_destroy)(dtensor *sz)
+{
+#if !defined(STRUCT_HACK_C99) && !defined(STRUCT_HACK_KR)
+     X(ifree0)(sz->dims);
+#endif
+     X(ifree)(sz);
+}
+
+void XM(dtensor_md5)(md5 *p, const dtensor *t)
+{
+     int i;
+     X(md5int)(p, t->rnk);
+     if (FINITE_RNK(t->rnk)) {
+          for (i = 0; i < t->rnk; ++i) {
+               const ddim *q = t->dims + i;
+               X(md5INT)(p, q->n);
+               X(md5INT)(p, q->b[IB]);
+               X(md5INT)(p, q->b[OB]);
+          }
+     }
+}
+
+dtensor *XM(dtensor_copy)(const dtensor *sz)
+{
+     dtensor *x = XM(mkdtensor)(sz->rnk);
+     int i;
+     if (FINITE_RNK(sz->rnk))
+          for (i = 0; i < sz->rnk; ++i)
+               x->dims[i] = sz->dims[i];
+     return x;
+}
+
+dtensor *XM(dtensor_canonical)(const dtensor *sz, int compress)
+{
+     int i, rnk;
+     dtensor *x;
+     block_kind k;
+
+     if (!FINITE_RNK(sz->rnk))
+	  return XM(mkdtensor)(sz->rnk);
+     for (i = rnk = 0; i < sz->rnk; ++i) {
+	  if (sz->dims[i].n <= 0)
+	       return XM(mkdtensor)(RNK_MINFTY);
+	  else if (!compress || sz->dims[i].n > 1)
+	       ++rnk;
+     }
+     x = XM(mkdtensor)(rnk);
+     for (i = rnk = 0; i < sz->rnk; ++i) {
+	  if (!compress || sz->dims[i].n > 1) {
+               x->dims[rnk].n = sz->dims[i].n;
+	       FORALL_BLOCK_KIND(k) {
+		    if (XM(num_blocks)(sz->dims[i].n, sz->dims[i].b[k]) == 1)
+			 x->dims[rnk].b[k] = sz->dims[i].n;
+		    else
+			 x->dims[rnk].b[k] = sz->dims[i].b[k];
+	       }
+	       ++rnk;
+	  }
+     }
+     return x;
+}
+
+int XM(dtensor_validp)(const dtensor *sz)
+{
+     int i;
+     if (sz->rnk < 0) return 0;
+     if (FINITE_RNK(sz->rnk))
+	  for (i = 0; i < sz->rnk; ++i)
+	       if (sz->dims[i].n < 0
+		   || sz->dims[i].b[IB] <= 0
+		   || sz->dims[i].b[OB] <= 0)
+		    return 0;
+     return 1;
+}
+
+void XM(dtensor_print)(const dtensor *t, printer *p)
+{
+     if (FINITE_RNK(t->rnk)) {
+          int i;
+          int first = 1;
+          p->print(p, "(");
+          for (i = 0; i < t->rnk; ++i) {
+               const ddim *d = t->dims + i;
+               p->print(p, "%s(%D %D %D)",
+                        first ? "" : " ",
+                        d->n, d->b[IB], d->b[OB]);
+               first = 0;
+          }
+          p->print(p, ")");
+     } else {
+          p->print(p, "rank-minfty");
+     }
+
+}