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/r2hc/hf_4.c | 111 ++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 src/fftw3/rdft/codelets/r2hc/hf_4.c

(limited to 'src/fftw3/rdft/codelets/r2hc/hf_4.c')

diff --git a/src/fftw3/rdft/codelets/r2hc/hf_4.c b/src/fftw3/rdft/codelets/r2hc/hf_4.c
new file mode 100644
index 0000000..f4468dd
--- /dev/null
+++ b/src/fftw3/rdft/codelets/r2hc/hf_4.c
@@ -0,0 +1,111 @@
+/*
+ * 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 4 -dit -name hf_4 -include hf.h */
+
+/*
+ * This function contains 22 FP additions, 12 FP multiplications,
+ * (or, 16 additions, 6 multiplications, 6 fused multiply/add),
+ * 13 stack variables, and 16 memory accesses
+ */
+/*
+ * Generator Id's : 
+ * $Id: hf_4.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: hf_4.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: hf_4.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ */
+
+#include "hf.h"
+
+static const R *hf_4(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 + 6) {
+	  E T1, Th, Tl, Tp, T6, To, Tc, Tk;
+	  T1 = rio[0];
+	  {
+	       E Te, Tg, Td, Tf;
+	       Te = rio[WS(ios, 3)];
+	       Tg = iio[0];
+	       Td = W[4];
+	       Tf = W[5];
+	       Th = FMA(Td, Te, Tf * Tg);
+	       Tl = FNMS(Tf, Te, Td * Tg);
+	  }
+	  Tp = iio[-WS(ios, 3)];
+	  {
+	       E T3, T5, T2, T4;
+	       T3 = rio[WS(ios, 2)];
+	       T5 = iio[-WS(ios, 1)];
+	       T2 = W[2];
+	       T4 = W[3];
+	       T6 = FMA(T2, T3, T4 * T5);
+	       To = FNMS(T4, T3, T2 * T5);
+	  }
+	  {
+	       E T9, Tb, T8, Ta;
+	       T9 = rio[WS(ios, 1)];
+	       Tb = iio[-WS(ios, 2)];
+	       T8 = W[0];
+	       Ta = W[1];
+	       Tc = FMA(T8, T9, Ta * Tb);
+	       Tk = FNMS(Ta, T9, T8 * Tb);
+	  }
+	  {
+	       E T7, Ti, Tn, Tq;
+	       T7 = T1 + T6;
+	       Ti = Tc + Th;
+	       iio[-WS(ios, 2)] = T7 - Ti;
+	       rio[0] = T7 + Ti;
+	       Tn = Tk + Tl;
+	       Tq = To + Tp;
+	       rio[WS(ios, 2)] = Tn - Tq;
+	       iio[0] = Tn + Tq;
+	  }
+	  {
+	       E Tj, Tm, Tr, Ts;
+	       Tj = T1 - T6;
+	       Tm = Tk - Tl;
+	       iio[-WS(ios, 3)] = Tj - Tm;
+	       rio[WS(ios, 1)] = Tj + Tm;
+	       Tr = Th - Tc;
+	       Ts = Tp - To;
+	       rio[WS(ios, 3)] = Tr - Ts;
+	       iio[-WS(ios, 1)] = Tr + Ts;
+	  }
+     }
+     return W;
+}
+
+static const tw_instr twinstr[] = {
+     {TW_FULL, 0, 4},
+     {TW_NEXT, 1, 0}
+};
+
+static const hc2hc_desc desc = { 4, "hf_4", twinstr, {16, 6, 6, 0}, &GENUS, 0, 0, 0 };
+
+void X(codelet_hf_4) (planner *p) {
+     X(khc2hc_dit_register) (p, hf_4, &desc);
+}
-- 
cgit v1.2.3