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_6.c | 160 ++++++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 src/fftw3/rdft/codelets/hc2r/hb_6.c

(limited to 'src/fftw3/rdft/codelets/hc2r/hb_6.c')

diff --git a/src/fftw3/rdft/codelets/hc2r/hb_6.c b/src/fftw3/rdft/codelets/hc2r/hb_6.c
new file mode 100644
index 0000000..1a24696
--- /dev/null
+++ b/src/fftw3/rdft/codelets/hc2r/hb_6.c
@@ -0,0 +1,160 @@
+/*
+ * 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 22:11:25 EDT 2003 */
+
+#include "codelet-rdft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -sign 1 -n 6 -dif -name hb_6 -include hb.h */
+
+/*
+ * This function contains 46 FP additions, 28 FP multiplications,
+ * (or, 32 additions, 14 multiplications, 14 fused multiply/add),
+ * 25 stack variables, and 24 memory accesses
+ */
+/*
+ * Generator Id's : 
+ * $Id: hb_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
+ * $Id: hb_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
+ * $Id: hb_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
+ */
+
+#include "hb.h"
+
+static const R *hb_6(R *rio, R *iio, const R *W, stride ios, int m, int dist)
+{
+     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+     DK(KP866025403, +0.866025403784438646763723170752936183471402627);
+     int i;
+     for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 10) {
+	  E T3, Ty, Tp, TE, Ta, TO, Tm, TB, Tj, TL, Tq, TH;
+	  {
+	       E T1, T2, Tn, To;
+	       T1 = rio[0];
+	       T2 = iio[-WS(ios, 3)];
+	       T3 = T1 + T2;
+	       Ty = T1 - T2;
+	       Tn = iio[0];
+	       To = rio[WS(ios, 3)];
+	       Tp = Tn - To;
+	       TE = Tn + To;
+	  }
+	  {
+	       E T6, Tz, T9, TA;
+	       {
+		    E T4, T5, T7, T8;
+		    T4 = rio[WS(ios, 2)];
+		    T5 = iio[-WS(ios, 5)];
+		    T6 = T4 + T5;
+		    Tz = T4 - T5;
+		    T7 = iio[-WS(ios, 4)];
+		    T8 = rio[WS(ios, 1)];
+		    T9 = T7 + T8;
+		    TA = T7 - T8;
+	       }
+	       Ta = T6 + T9;
+	       TO = KP866025403 * (Tz - TA);
+	       Tm = KP866025403 * (T6 - T9);
+	       TB = Tz + TA;
+	  }
+	  {
+	       E Tf, TF, Ti, TG;
+	       {
+		    E Td, Te, Tg, Th;
+		    Td = iio[-WS(ios, 1)];
+		    Te = rio[WS(ios, 4)];
+		    Tf = Td - Te;
+		    TF = Te + Td;
+		    Tg = iio[-WS(ios, 2)];
+		    Th = rio[WS(ios, 5)];
+		    Ti = Tg - Th;
+		    TG = Tg + Th;
+	       }
+	       Tj = KP866025403 * (Tf - Ti);
+	       TL = KP866025403 * (TF + TG);
+	       Tq = Tf + Ti;
+	       TH = TF - TG;
+	  }
+	  rio[0] = T3 + Ta;
+	  iio[-WS(ios, 5)] = Tp + Tq;
+	  {
+	       E TC, TI, Tx, TD;
+	       TC = Ty + TB;
+	       TI = TE - TH;
+	       Tx = W[4];
+	       TD = W[5];
+	       rio[WS(ios, 3)] = FNMS(TD, TI, Tx * TC);
+	       iio[-WS(ios, 2)] = FMA(TD, TC, Tx * TI);
+	  }
+	  {
+	       E Tk, Tu, Ts, Tw, Tc, Tr;
+	       Tc = FNMS(KP500000000, Ta, T3);
+	       Tk = Tc + Tj;
+	       Tu = Tc - Tj;
+	       Tr = FNMS(KP500000000, Tq, Tp);
+	       Ts = Tm + Tr;
+	       Tw = Tr - Tm;
+	       {
+		    E Tb, Tl, Tt, Tv;
+		    Tb = W[6];
+		    Tl = W[7];
+		    rio[WS(ios, 4)] = FNMS(Tl, Ts, Tb * Tk);
+		    iio[-WS(ios, 1)] = FMA(Tl, Tk, Tb * Ts);
+		    Tt = W[2];
+		    Tv = W[3];
+		    rio[WS(ios, 2)] = FNMS(Tv, Tw, Tt * Tu);
+		    iio[-WS(ios, 3)] = FMA(Tv, Tu, Tt * Tw);
+	       }
+	  }
+	  {
+	       E TM, TU, TQ, TS, TK, TP;
+	       TK = FNMS(KP500000000, TB, Ty);
+	       TM = TK - TL;
+	       TU = TK + TL;
+	       TP = FMA(KP500000000, TH, TE);
+	       TQ = TO + TP;
+	       TS = TP - TO;
+	       {
+		    E TJ, TN, TR, TT;
+		    TJ = W[0];
+		    TN = W[1];
+		    rio[WS(ios, 1)] = FNMS(TN, TQ, TJ * TM);
+		    iio[-WS(ios, 4)] = FMA(TJ, TQ, TN * TM);
+		    TR = W[8];
+		    TT = W[9];
+		    iio[0] = FMA(TR, TS, TT * TU);
+		    rio[WS(ios, 5)] = FNMS(TT, TS, TR * TU);
+	       }
+	  }
+     }
+     return W;
+}
+
+static const tw_instr twinstr[] = {
+     {TW_FULL, 0, 6},
+     {TW_NEXT, 1, 0}
+};
+
+static const hc2hc_desc desc = { 6, "hb_6", twinstr, {32, 14, 14, 0}, &GENUS, 0, 0, 0 };
+
+void X(codelet_hb_6) (planner *p) {
+     X(khc2hc_dif_register) (p, hb_6, &desc);
+}
-- 
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