First commit - moving from LuaForge to SourceForge

1 files changed, 44 insertions, 0 deletions

diff --git a/src/fftw3/api/plan-guru-dft-c2r.c b/src/fftw3/api/plan-guru-dft-c2r.c
new file mode 100644
index 0000000..0ab3a9c
--- /dev/null
+++ b/src/fftw3/api/plan-guru-dft-c2r.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2003 Matteo Frigo
+ * Copyright (c) 2003 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include "api.h"
+#include "rdft.h"
+
+X(plan) X(plan_guru_dft_c2r)(int rank, const X(iodim) *dims,
+			     int howmany_rank, const X(iodim) *howmany_dims,
+			     C *in, R *out, unsigned flags)
+{
+     R *ri, *ii;
+
+     if (!X(guru_kosherp)(rank, dims, howmany_rank, howmany_dims)) return 0;
+
+     X(extract_reim)(FFT_SIGN, in, &ri, &ii);
+
+     if (out != ri)
+	  flags |= FFTW_DESTROY_INPUT;
+     return X(mkapiplan)(
+	  0, flags, 
+	  X(mkproblem_rdft2_d)(X(mktensor_iodims)(rank, dims, 2, 1),
+			       X(mktensor_iodims)(howmany_rank, howmany_dims,
+						  2, 1),
+			       TAINT_UNALIGNED(out, flags),
+			       TAINT_UNALIGNED(ri, flags),
+			       TAINT_UNALIGNED(ii, flags), HC2R));
+}