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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/n1_9.c
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/fftw3/dft/codelets/standard/n1_9.c')
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diff --git a/src/fftw3/dft/codelets/standard/n1_9.c b/src/fftw3/dft/codelets/standard/n1_9.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 21:29:32 EDT 2003 */
+
+#include "codelet-dft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_notw -compact -variables 4 -n 9 -name n1_9 -include n.h */
+
+/*
+ * This function contains 80 FP additions, 40 FP multiplications,
+ * (or, 60 additions, 20 multiplications, 20 fused multiply/add),
+ * 39 stack variables, and 36 memory accesses
+ */
+/*
+ * Generator Id's :
+ * $Id: n1_9.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ * $Id: n1_9.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ * $Id: n1_9.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ */
+
+#include "n.h"
+
+static void n1_9(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, int v, int ivs, int ovs)
+{
+ DK(KP939692620, +0.939692620785908384054109277324731469936208134);
+ DK(KP342020143, +0.342020143325668733044099614682259580763083368);
+ DK(KP984807753, +0.984807753012208059366743024589523013670643252);
+ DK(KP173648177, +0.173648177666930348851716626769314796000375677);
+ DK(KP642787609, +0.642787609686539326322643409907263432907559884);
+ DK(KP766044443, +0.766044443118978035202392650555416673935832457);
+ DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+ DK(KP866025403, +0.866025403784438646763723170752936183471402627);
+ int i;
+ for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs) {
+ E T5, TO, Th, Tk, T1g, TR, Ta, T1c, Tq, TW, Tv, TX, Tf, T1d, TB;
+ E T10, TG, TZ;
+ {
+ E T1, T2, T3, T4;
+ T1 = ri[0];
+ T2 = ri[WS(is, 3)];
+ T3 = ri[WS(is, 6)];
+ T4 = T2 + T3;
+ T5 = T1 + T4;
+ TO = KP866025403 * (T3 - T2);
+ Th = FNMS(KP500000000, T4, T1);
+ }
+ {
+ E TP, Ti, Tj, TQ;
+ TP = ii[0];
+ Ti = ii[WS(is, 3)];
+ Tj = ii[WS(is, 6)];
+ TQ = Ti + Tj;
+ Tk = KP866025403 * (Ti - Tj);
+ T1g = TP + TQ;
+ TR = FNMS(KP500000000, TQ, TP);
+ }
+ {
+ E T6, Ts, T9, Tr, Tp, Tt, Tm, Tu;
+ T6 = ri[WS(is, 1)];
+ Ts = ii[WS(is, 1)];
+ {
+ E T7, T8, Tn, To;
+ T7 = ri[WS(is, 4)];
+ T8 = ri[WS(is, 7)];
+ T9 = T7 + T8;
+ Tr = KP866025403 * (T8 - T7);
+ Tn = ii[WS(is, 4)];
+ To = ii[WS(is, 7)];
+ Tp = KP866025403 * (Tn - To);
+ Tt = Tn + To;
+ }
+ Ta = T6 + T9;
+ T1c = Ts + Tt;
+ Tm = FNMS(KP500000000, T9, T6);
+ Tq = Tm + Tp;
+ TW = Tm - Tp;
+ Tu = FNMS(KP500000000, Tt, Ts);
+ Tv = Tr + Tu;
+ TX = Tu - Tr;
+ }
+ {
+ E Tb, TD, Te, TC, TA, TE, Tx, TF;
+ Tb = ri[WS(is, 2)];
+ TD = ii[WS(is, 2)];
+ {
+ E Tc, Td, Ty, Tz;
+ Tc = ri[WS(is, 5)];
+ Td = ri[WS(is, 8)];
+ Te = Tc + Td;
+ TC = KP866025403 * (Td - Tc);
+ Ty = ii[WS(is, 5)];
+ Tz = ii[WS(is, 8)];
+ TA = KP866025403 * (Ty - Tz);
+ TE = Ty + Tz;
+ }
+ Tf = Tb + Te;
+ T1d = TD + TE;
+ Tx = FNMS(KP500000000, Te, Tb);
+ TB = Tx + TA;
+ T10 = Tx - TA;
+ TF = FNMS(KP500000000, TE, TD);
+ TG = TC + TF;
+ TZ = TF - TC;
+ }
+ {
+ E T1e, Tg, T1b, T1f, T1h, T1i;
+ T1e = KP866025403 * (T1c - T1d);
+ Tg = Ta + Tf;
+ T1b = FNMS(KP500000000, Tg, T5);
+ ro[0] = T5 + Tg;
+ ro[WS(os, 3)] = T1b + T1e;
+ ro[WS(os, 6)] = T1b - T1e;
+ T1f = KP866025403 * (Tf - Ta);
+ T1h = T1c + T1d;
+ T1i = FNMS(KP500000000, T1h, T1g);
+ io[WS(os, 3)] = T1f + T1i;
+ io[0] = T1g + T1h;
+ io[WS(os, 6)] = T1i - T1f;
+ }
+ {
+ E Tl, TS, TI, TN, TM, TT, TJ, TU;
+ Tl = Th + Tk;
+ TS = TO + TR;
+ {
+ E Tw, TH, TK, TL;
+ Tw = FMA(KP766044443, Tq, KP642787609 * Tv);
+ TH = FMA(KP173648177, TB, KP984807753 * TG);
+ TI = Tw + TH;
+ TN = KP866025403 * (TH - Tw);
+ TK = FNMS(KP642787609, Tq, KP766044443 * Tv);
+ TL = FNMS(KP984807753, TB, KP173648177 * TG);
+ TM = KP866025403 * (TK - TL);
+ TT = TK + TL;
+ }
+ ro[WS(os, 1)] = Tl + TI;
+ io[WS(os, 1)] = TS + TT;
+ TJ = FNMS(KP500000000, TI, Tl);
+ ro[WS(os, 7)] = TJ - TM;
+ ro[WS(os, 4)] = TJ + TM;
+ TU = FNMS(KP500000000, TT, TS);
+ io[WS(os, 4)] = TN + TU;
+ io[WS(os, 7)] = TU - TN;
+ }
+ {
+ E TV, T14, T12, T13, T17, T1a, T18, T19;
+ TV = Th - Tk;
+ T14 = TR - TO;
+ {
+ E TY, T11, T15, T16;
+ TY = FMA(KP173648177, TW, KP984807753 * TX);
+ T11 = FNMS(KP939692620, T10, KP342020143 * TZ);
+ T12 = TY + T11;
+ T13 = KP866025403 * (T11 - TY);
+ T15 = FNMS(KP984807753, TW, KP173648177 * TX);
+ T16 = FMA(KP342020143, T10, KP939692620 * TZ);
+ T17 = T15 - T16;
+ T1a = KP866025403 * (T15 + T16);
+ }
+ ro[WS(os, 2)] = TV + T12;
+ io[WS(os, 2)] = T14 + T17;
+ T18 = FNMS(KP500000000, T17, T14);
+ io[WS(os, 5)] = T13 + T18;
+ io[WS(os, 8)] = T18 - T13;
+ T19 = FNMS(KP500000000, T12, TV);
+ ro[WS(os, 8)] = T19 - T1a;
+ ro[WS(os, 5)] = T19 + T1a;
+ }
+ }
+}
+
+static const kdft_desc desc = { 9, "n1_9", {60, 20, 20, 0}, &GENUS, 0, 0, 0, 0 };
+void X(codelet_n1_9) (planner *p) {
+ X(kdft_register) (p, n1_9, &desc);
+}