comparison src/fftw-3.3.3/api/plan-many-dft.c @ 10:37bf6b4a2645

Add FFTW3

+/*
+ * 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"
+#include "dft.h"
+
+#define N0(nembed)((nembed) ? (nembed) : n)
+
+X(plan) X(plan_many_dft)(int rank, const int *n,
+			 int howmany,
+			 C *in, const int *inembed,
+			 int istride, int idist,
+			 C *out, const int *onembed,
+			 int ostride, int odist, int sign, unsigned flags)
+{
+     R *ri, *ii, *ro, *io;
+
+     if (!X(many_kosherp)(rank, n, howmany)) return 0;
+
+     EXTRACT_REIM(sign, in, &ri, &ii);
+     EXTRACT_REIM(sign, out, &ro, &io);
+
+     return 
+	  X(mkapiplan)(sign, flags,
+		       X(mkproblem_dft_d)(
+			    X(mktensor_rowmajor)(rank, n, 
+						 N0(inembed), N0(onembed),
+						 2 * istride, 2 * ostride),
+			    X(mktensor_1d)(howmany, 2 * idist, 2 * odist),
+			    TAINT_UNALIGNED(ri, flags),
+			    TAINT_UNALIGNED(ii, flags),
+			    TAINT_UNALIGNED(ro, flags),
+			    TAINT_UNALIGNED(io, flags)));
+}