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authorscuri <scuri>2008-10-17 06:10:15 +0000
committerscuri <scuri>2008-10-17 06:10:15 +0000
commit5a422aba704c375a307a902bafe658342e209906 (patch)
tree5005011e086bb863d8fb587ad3319bbec59b2447 /src/fftw3/rdft/codelets/r2hc/hf_8.c
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/hf_8.c')
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1 files changed, 203 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/hf_8.c b/src/fftw3/rdft/codelets/r2hc/hf_8.c
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@@ -0,0 +1,203 @@
+/*
+ * 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 21:56:58 EDT 2003 */
+
+#include "codelet-rdft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -n 8 -dit -name hf_8 -include hf.h */
+
+/*
+ * This function contains 66 FP additions, 32 FP multiplications,
+ * (or, 52 additions, 18 multiplications, 14 fused multiply/add),
+ * 28 stack variables, and 32 memory accesses
+ */
+/*
+ * Generator Id's :
+ * $Id: hf_8.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: hf_8.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: hf_8.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ */
+
+#include "hf.h"
+
+static const R *hf_8(R *rio, R *iio, const R *W, stride ios, int m, int dist)
+{
+ DK(KP707106781, +0.707106781186547524400844362104849039284835938);
+ int i;
+ for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 14) {
+ E T7, T1e, TH, T19, TF, T13, TR, TU, Ti, T1f, TK, T16, Tu, T12, TM;
+ E TP;
+ {
+ E T1, T18, T6, T17;
+ T1 = rio[0];
+ T18 = iio[-WS(ios, 7)];
+ {
+ E T3, T5, T2, T4;
+ T3 = rio[WS(ios, 4)];
+ T5 = iio[-WS(ios, 3)];
+ T2 = W[6];
+ T4 = W[7];
+ T6 = FMA(T2, T3, T4 * T5);
+ T17 = FNMS(T4, T3, T2 * T5);
+ }
+ T7 = T1 + T6;
+ T1e = T18 - T17;
+ TH = T1 - T6;
+ T19 = T17 + T18;
+ }
+ {
+ E Tz, TS, TE, TT;
+ {
+ E Tw, Ty, Tv, Tx;
+ Tw = rio[WS(ios, 7)];
+ Ty = iio[0];
+ Tv = W[12];
+ Tx = W[13];
+ Tz = FMA(Tv, Tw, Tx * Ty);
+ TS = FNMS(Tx, Tw, Tv * Ty);
+ }
+ {
+ E TB, TD, TA, TC;
+ TB = rio[WS(ios, 3)];
+ TD = iio[-WS(ios, 4)];
+ TA = W[4];
+ TC = W[5];
+ TE = FMA(TA, TB, TC * TD);
+ TT = FNMS(TC, TB, TA * TD);
+ }
+ TF = Tz + TE;
+ T13 = TS + TT;
+ TR = Tz - TE;
+ TU = TS - TT;
+ }
+ {
+ E Tc, TI, Th, TJ;
+ {
+ E T9, Tb, T8, Ta;
+ T9 = rio[WS(ios, 2)];
+ Tb = iio[-WS(ios, 5)];
+ T8 = W[2];
+ Ta = W[3];
+ Tc = FMA(T8, T9, Ta * Tb);
+ TI = FNMS(Ta, T9, T8 * Tb);
+ }
+ {
+ E Te, Tg, Td, Tf;
+ Te = rio[WS(ios, 6)];
+ Tg = iio[-WS(ios, 1)];
+ Td = W[10];
+ Tf = W[11];
+ Th = FMA(Td, Te, Tf * Tg);
+ TJ = FNMS(Tf, Te, Td * Tg);
+ }
+ Ti = Tc + Th;
+ T1f = Tc - Th;
+ TK = TI - TJ;
+ T16 = TI + TJ;
+ }
+ {
+ E To, TN, Tt, TO;
+ {
+ E Tl, Tn, Tk, Tm;
+ Tl = rio[WS(ios, 1)];
+ Tn = iio[-WS(ios, 6)];
+ Tk = W[0];
+ Tm = W[1];
+ To = FMA(Tk, Tl, Tm * Tn);
+ TN = FNMS(Tm, Tl, Tk * Tn);
+ }
+ {
+ E Tq, Ts, Tp, Tr;
+ Tq = rio[WS(ios, 5)];
+ Ts = iio[-WS(ios, 2)];
+ Tp = W[8];
+ Tr = W[9];
+ Tt = FMA(Tp, Tq, Tr * Ts);
+ TO = FNMS(Tr, Tq, Tp * Ts);
+ }
+ Tu = To + Tt;
+ T12 = TN + TO;
+ TM = To - Tt;
+ TP = TN - TO;
+ }
+ {
+ E Tj, TG, T1b, T1c;
+ Tj = T7 + Ti;
+ TG = Tu + TF;
+ iio[-WS(ios, 4)] = Tj - TG;
+ rio[0] = Tj + TG;
+ {
+ E T15, T1a, T11, T14;
+ T15 = T12 + T13;
+ T1a = T16 + T19;
+ rio[WS(ios, 4)] = T15 - T1a;
+ iio[0] = T15 + T1a;
+ T11 = T7 - Ti;
+ T14 = T12 - T13;
+ iio[-WS(ios, 6)] = T11 - T14;
+ rio[WS(ios, 2)] = T11 + T14;
+ }
+ T1b = TF - Tu;
+ T1c = T19 - T16;
+ rio[WS(ios, 6)] = T1b - T1c;
+ iio[-WS(ios, 2)] = T1b + T1c;
+ {
+ E TX, T1g, T10, T1d, TY, TZ;
+ TX = TH - TK;
+ T1g = T1e - T1f;
+ TY = TP - TM;
+ TZ = TR + TU;
+ T10 = KP707106781 * (TY - TZ);
+ T1d = KP707106781 * (TY + TZ);
+ iio[-WS(ios, 7)] = TX - T10;
+ iio[-WS(ios, 1)] = T1d + T1g;
+ rio[WS(ios, 3)] = TX + T10;
+ rio[WS(ios, 5)] = T1d - T1g;
+ }
+ {
+ E TL, T1i, TW, T1h, TQ, TV;
+ TL = TH + TK;
+ T1i = T1f + T1e;
+ TQ = TM + TP;
+ TV = TR - TU;
+ TW = KP707106781 * (TQ + TV);
+ T1h = KP707106781 * (TV - TQ);
+ iio[-WS(ios, 5)] = TL - TW;
+ iio[-WS(ios, 3)] = T1h + T1i;
+ rio[WS(ios, 1)] = TL + TW;
+ rio[WS(ios, 7)] = T1h - T1i;
+ }
+ }
+ }
+ return W;
+}
+
+static const tw_instr twinstr[] = {
+ {TW_FULL, 0, 8},
+ {TW_NEXT, 1, 0}
+};
+
+static const hc2hc_desc desc = { 8, "hf_8", twinstr, {52, 18, 14, 0}, &GENUS, 0, 0, 0 };
+
+void X(codelet_hf_8) (planner *p) {
+ X(khc2hc_dit_register) (p, hf_8, &desc);
+}