From 5a422aba704c375a307a902bafe658342e209906 Mon Sep 17 00:00:00 2001
From: scuri <scuri>
Date: Fri, 17 Oct 2008 06:10:15 +0000
Subject: First commit - moving from LuaForge to SourceForge

---
 src/fftw3/rdft/codelets/hc2r/hb_3.c | 97 +++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 src/fftw3/rdft/codelets/hc2r/hb_3.c

(limited to 'src/fftw3/rdft/codelets/hc2r/hb_3.c')

diff --git a/src/fftw3/rdft/codelets/hc2r/hb_3.c b/src/fftw3/rdft/codelets/hc2r/hb_3.c
new file mode 100644
index 0000000..b2362cb
--- /dev/null
+++ b/src/fftw3/rdft/codelets/hc2r/hb_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 22:11:22 EDT 2003 */
+
+#include "codelet-rdft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -sign 1 -n 3 -dif -name hb_3 -include hb.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: hb_3.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
+ * $Id: hb_3.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
+ * $Id: hb_3.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
+ */
+
+#include "hb.h"
+
+static const R *hb_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, T4, Ta, Te, T5, T8, Tb, Tf;
+	  {
+	       E T2, T3, T6, T7;
+	       T1 = rio[0];
+	       T2 = rio[WS(ios, 1)];
+	       T3 = iio[-WS(ios, 2)];
+	       T4 = T2 + T3;
+	       Ta = FNMS(KP500000000, T4, T1);
+	       Te = KP866025403 * (T2 - T3);
+	       T5 = iio[0];
+	       T6 = rio[WS(ios, 2)];
+	       T7 = iio[-WS(ios, 1)];
+	       T8 = T6 - T7;
+	       Tb = KP866025403 * (T6 + T7);
+	       Tf = FMA(KP500000000, T8, T5);
+	  }
+	  rio[0] = T1 + T4;
+	  iio[-WS(ios, 2)] = T5 - T8;
+	  {
+	       E Ti, Tk, Th, Tj;
+	       Ti = Tf - Te;
+	       Tk = Ta + Tb;
+	       Th = W[2];
+	       Tj = W[3];
+	       iio[0] = FMA(Th, Ti, Tj * Tk);
+	       rio[WS(ios, 2)] = FNMS(Tj, Ti, Th * Tk);
+	  }
+	  {
+	       E Tc, Tg, T9, Td;
+	       Tc = Ta - Tb;
+	       Tg = Te + Tf;
+	       T9 = W[0];
+	       Td = W[1];
+	       rio[WS(ios, 1)] = FNMS(Td, Tg, T9 * Tc);
+	       iio[-WS(ios, 1)] = FMA(T9, Tg, Td * Tc);
+	  }
+     }
+     return W;
+}
+
+static const tw_instr twinstr[] = {
+     {TW_FULL, 0, 3},
+     {TW_NEXT, 1, 0}
+};
+
+static const hc2hc_desc desc = { 3, "hb_3", twinstr, {10, 6, 6, 0}, &GENUS, 0, 0, 0 };
+
+void X(codelet_hb_3) (planner *p) {
+     X(khc2hc_dif_register) (p, hb_3, &desc);
+}
-- 
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