First commit - moving from LuaForge to SourceForge

1 files changed, 97 insertions, 0 deletions

diff --git a/src/fftw3/rdft/codelets/r2hc/hf_3.c b/src/fftw3/rdft/codelets/r2hc/hf_3.c
new file mode 100644
index 0000000..fce963f
--- /dev/null
+++ b/src/fftw3/rdft/codelets/r2hc/hf_3.c
@@ -0,0 +1,97 @@
+/*
+ * 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 3 -dit -name hf_3 -include hf.h */
+
+/*
+ * This function contains 16 FP additions, 12 FP multiplications,
+ * (or, 10 additions, 6 multiplications, 6 fused multiply/add),
+ * 15 stack variables, and 12 memory accesses
+ */
+/*
+ * Generator Id's : 
+ * $Id: hf_3.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: hf_3.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: hf_3.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ */
+
+#include "hf.h"
+
+static const R *hf_3(R *rio, R *iio, const R *W, stride ios, int m, int dist)
+{
+     DK(KP866025403, +0.866025403784438646763723170752936183471402627);
+     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+     int i;
+     for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 4) {
+	  E T1, Ti, T6, Te, Tb, Tf, Tc, Th;
+	  T1 = rio[0];
+	  Ti = iio[-WS(ios, 2)];
+	  {
+	       E T3, T5, T2, T4;
+	       T3 = rio[WS(ios, 1)];
+	       T5 = iio[-WS(ios, 1)];
+	       T2 = W[0];
+	       T4 = W[1];
+	       T6 = FMA(T2, T3, T4 * T5);
+	       Te = FNMS(T4, T3, T2 * T5);
+	  }
+	  {
+	       E T8, Ta, T7, T9;
+	       T8 = rio[WS(ios, 2)];
+	       Ta = iio[0];
+	       T7 = W[2];
+	       T9 = W[3];
+	       Tb = FMA(T7, T8, T9 * Ta);
+	       Tf = FNMS(T9, T8, T7 * Ta);
+	  }
+	  Tc = T6 + Tb;
+	  Th = Te + Tf;
+	  rio[0] = T1 + Tc;
+	  iio[0] = Th + Ti;
+	  {
+	       E Td, Tg, Tj, Tk;
+	       Td = FNMS(KP500000000, Tc, T1);
+	       Tg = KP866025403 * (Te - Tf);
+	       iio[-WS(ios, 2)] = Td - Tg;
+	       rio[WS(ios, 1)] = Td + Tg;
+	       Tj = KP866025403 * (Tb - T6);
+	       Tk = FNMS(KP500000000, Th, Ti);
+	       rio[WS(ios, 2)] = Tj - Tk;
+	       iio[-WS(ios, 1)] = Tj + Tk;
+	  }
+     }
+     return W;
+}
+
+static const tw_instr twinstr[] = {
+     {TW_FULL, 0, 3},
+     {TW_NEXT, 1, 0}
+};
+
+static const hc2hc_desc desc = { 3, "hf_3", twinstr, {10, 6, 6, 0}, &GENUS, 0, 0, 0 };
+
+void X(codelet_hf_3) (planner *p) {
+     X(khc2hc_dit_register) (p, hf_3, &desc);
+}