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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/dft/codelets/standard/t1_6.c
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/fftw3/dft/codelets/standard/t1_6.c')
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diff --git a/src/fftw3/dft/codelets/standard/t1_6.c b/src/fftw3/dft/codelets/standard/t1_6.c
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+/*
+ * 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 21:29:55 EDT 2003 */
+
+#include "codelet-dft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_twiddle -compact -variables 4 -n 6 -name t1_6 -include t.h */
+
+/*
+ * This function contains 46 FP additions, 28 FP multiplications,
+ * (or, 32 additions, 14 multiplications, 14 fused multiply/add),
+ * 23 stack variables, and 24 memory accesses
+ */
+/*
+ * Generator Id's :
+ * $Id: t1_6.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ * $Id: t1_6.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ * $Id: t1_6.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ */
+
+#include "t.h"
+
+static const R *t1_6(R *ri, R *ii, const R *W, stride ios, int m, int dist)
+{
+ DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+ DK(KP866025403, +0.866025403784438646763723170752936183471402627);
+ int i;
+ for (i = m; i > 0; i = i - 1, ri = ri + dist, ii = ii + dist, W = W + 10) {
+ E T7, TS, Tv, TO, Tt, TJ, Tx, TF, Ti, TI, Tw, TC;
+ {
+ E T1, TN, T6, TM;
+ T1 = ri[0];
+ TN = ii[0];
+ {
+ E T3, T5, T2, T4;
+ T3 = ri[WS(ios, 3)];
+ T5 = ii[WS(ios, 3)];
+ T2 = W[4];
+ T4 = W[5];
+ T6 = FMA(T2, T3, T4 * T5);
+ TM = FNMS(T4, T3, T2 * T5);
+ }
+ T7 = T1 - T6;
+ TS = TN - TM;
+ Tv = T1 + T6;
+ TO = TM + TN;
+ }
+ {
+ E Tn, TD, Ts, TE;
+ {
+ E Tk, Tm, Tj, Tl;
+ Tk = ri[WS(ios, 4)];
+ Tm = ii[WS(ios, 4)];
+ Tj = W[6];
+ Tl = W[7];
+ Tn = FMA(Tj, Tk, Tl * Tm);
+ TD = FNMS(Tl, Tk, Tj * Tm);
+ }
+ {
+ E Tp, Tr, To, Tq;
+ Tp = ri[WS(ios, 1)];
+ Tr = ii[WS(ios, 1)];
+ To = W[0];
+ Tq = W[1];
+ Ts = FMA(To, Tp, Tq * Tr);
+ TE = FNMS(Tq, Tp, To * Tr);
+ }
+ Tt = Tn - Ts;
+ TJ = TD + TE;
+ Tx = Tn + Ts;
+ TF = TD - TE;
+ }
+ {
+ E Tc, TA, Th, TB;
+ {
+ E T9, Tb, T8, Ta;
+ T9 = ri[WS(ios, 2)];
+ Tb = ii[WS(ios, 2)];
+ T8 = W[2];
+ Ta = W[3];
+ Tc = FMA(T8, T9, Ta * Tb);
+ TA = FNMS(Ta, T9, T8 * Tb);
+ }
+ {
+ E Te, Tg, Td, Tf;
+ Te = ri[WS(ios, 5)];
+ Tg = ii[WS(ios, 5)];
+ Td = W[8];
+ Tf = W[9];
+ Th = FMA(Td, Te, Tf * Tg);
+ TB = FNMS(Tf, Te, Td * Tg);
+ }
+ Ti = Tc - Th;
+ TI = TA + TB;
+ Tw = Tc + Th;
+ TC = TA - TB;
+ }
+ {
+ E TG, Tu, Tz, TR, TT, TU;
+ TG = KP866025403 * (TC - TF);
+ Tu = Ti + Tt;
+ Tz = FNMS(KP500000000, Tu, T7);
+ ri[WS(ios, 3)] = T7 + Tu;
+ ri[WS(ios, 1)] = Tz + TG;
+ ri[WS(ios, 5)] = Tz - TG;
+ TR = KP866025403 * (Tt - Ti);
+ TT = TC + TF;
+ TU = FNMS(KP500000000, TT, TS);
+ ii[WS(ios, 1)] = TR + TU;
+ ii[WS(ios, 3)] = TT + TS;
+ ii[WS(ios, 5)] = TU - TR;
+ }
+ {
+ E TK, Ty, TH, TQ, TL, TP;
+ TK = KP866025403 * (TI - TJ);
+ Ty = Tw + Tx;
+ TH = FNMS(KP500000000, Ty, Tv);
+ ri[0] = Tv + Ty;
+ ri[WS(ios, 4)] = TH + TK;
+ ri[WS(ios, 2)] = TH - TK;
+ TQ = KP866025403 * (Tx - Tw);
+ TL = TI + TJ;
+ TP = FNMS(KP500000000, TL, TO);
+ ii[0] = TL + TO;
+ ii[WS(ios, 4)] = TQ + TP;
+ ii[WS(ios, 2)] = TP - TQ;
+ }
+ }
+ return W;
+}
+
+static const tw_instr twinstr[] = {
+ {TW_FULL, 0, 6},
+ {TW_NEXT, 1, 0}
+};
+
+static const ct_desc desc = { 6, "t1_6", twinstr, {32, 14, 14, 0}, &GENUS, 0, 0, 0 };
+
+void X(codelet_t1_6) (planner *p) {
+ X(kdft_dit_register) (p, t1_6, &desc);
+}