comparison src/fftw-3.3.3/api/plan-guru-dft-r2c.h @ 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 "rdft.h"
+
+X(plan) XGURU(dft_r2c)(int rank, const IODIM *dims,
+		       int howmany_rank,
+		       const IODIM *howmany_dims,
+		       R *in, C *out, unsigned flags)
+{
+     R *ro, *io;
+
+     if (!GURU_KOSHERP(rank, dims, howmany_rank, howmany_dims)) return 0;
+
+     EXTRACT_REIM(FFT_SIGN, out, &ro, &io);
+
+     return X(mkapiplan)(
+	  0, flags,
+	  X(mkproblem_rdft2_d_3pointers)(
+	       MKTENSOR_IODIMS(rank, dims, 1, 2),
+	       MKTENSOR_IODIMS(howmany_rank, howmany_dims, 1, 2),
+	       TAINT_UNALIGNED(in, flags),
+	       TAINT_UNALIGNED(ro, flags),
+	       TAINT_UNALIGNED(io, flags), R2HC));
+}