First commit - moving from LuaForge to SourceForge

1 files changed, 75 insertions, 0 deletions

diff --git a/src/fftw3/rdft/codelets/r2hc/hf_2.c b/src/fftw3/rdft/codelets/r2hc/hf_2.c
new file mode 100644
index 0000000..7de094c
--- /dev/null
+++ b/src/fftw3/rdft/codelets/r2hc/hf_2.c
@@ -0,0 +1,75 @@
+/*
+ * 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
+ *
+ */
+
+/* This file was automatically generated --- DO NOT EDIT */
+/* Generated on Sat Jul  5 21:56:51 EDT 2003 */
+
+#include "codelet-rdft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -n 2 -dit -name hf_2 -include hf.h */
+
+/*
+ * This function contains 6 FP additions, 4 FP multiplications,
+ * (or, 4 additions, 2 multiplications, 2 fused multiply/add),
+ * 9 stack variables, and 8 memory accesses
+ */
+/*
+ * Generator Id's : 
+ * $Id: hf_2.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: hf_2.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: hf_2.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ */
+
+#include "hf.h"
+
+static const R *hf_2(R *rio, R *iio, const R *W, stride ios, int m, int dist)
+{
+     int i;
+     for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 2) {
+	  E T1, T8, T6, T7;
+	  T1 = rio[0];
+	  T8 = iio[-WS(ios, 1)];
+	  {
+	       E T3, T5, T2, T4;
+	       T3 = rio[WS(ios, 1)];
+	       T5 = iio[0];
+	       T2 = W[0];
+	       T4 = W[1];
+	       T6 = FMA(T2, T3, T4 * T5);
+	       T7 = FNMS(T4, T3, T2 * T5);
+	  }
+	  iio[-WS(ios, 1)] = T1 - T6;
+	  rio[WS(ios, 1)] = T7 - T8;
+	  rio[0] = T1 + T6;
+	  iio[0] = T7 + T8;
+     }
+     return W;
+}
+
+static const tw_instr twinstr[] = {
+     {TW_FULL, 0, 2},
+     {TW_NEXT, 1, 0}
+};
+
+static const hc2hc_desc desc = { 2, "hf_2", twinstr, {4, 2, 2, 0}, &GENUS, 0, 0, 0 };
+
+void X(codelet_hf_2) (planner *p) {
+     X(khc2hc_dit_register) (p, hf_2, &desc);
+}