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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_16.c
First commit - moving from LuaForge to SourceForge
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diff --git a/src/fftw3/dft/codelets/standard/n1_16.c b/src/fftw3/dft/codelets/standard/n1_16.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 21:29:37 EDT 2003 */
+
+#include "codelet-dft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_notw -compact -variables 4 -n 16 -name n1_16 -include n.h */
+
+/*
+ * This function contains 144 FP additions, 24 FP multiplications,
+ * (or, 136 additions, 16 multiplications, 8 fused multiply/add),
+ * 50 stack variables, and 64 memory accesses
+ */
+/*
+ * Generator Id's :
+ * $Id: n1_16.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ * $Id: n1_16.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ * $Id: n1_16.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ */
+
+#include "n.h"
+
+static void n1_16(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, int v, int ivs, int ovs)
+{
+ DK(KP382683432, +0.382683432365089771728459984030398866761344562);
+ DK(KP923879532, +0.923879532511286756128183189396788286822416626);
+ DK(KP707106781, +0.707106781186547524400844362104849039284835938);
+ int i;
+ for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs) {
+ E T7, T1R, T25, TC, TN, T1x, T1H, T1l, Tt, T22, T2h, T1b, T1g, T1E, T1Z;
+ E T1D, Te, T1S, T26, TJ, TQ, T1m, T1n, TT, Tm, T1X, T2g, T10, T15, T1B;
+ E T1U, T1A;
+ {
+ E T3, TL, Ty, T1k, T6, T1j, TB, TM;
+ {
+ E T1, T2, Tw, Tx;
+ T1 = ri[0];
+ T2 = ri[WS(is, 8)];
+ T3 = T1 + T2;
+ TL = T1 - T2;
+ Tw = ii[0];
+ Tx = ii[WS(is, 8)];
+ Ty = Tw + Tx;
+ T1k = Tw - Tx;
+ }
+ {
+ E T4, T5, Tz, TA;
+ T4 = ri[WS(is, 4)];
+ T5 = ri[WS(is, 12)];
+ T6 = T4 + T5;
+ T1j = T4 - T5;
+ Tz = ii[WS(is, 4)];
+ TA = ii[WS(is, 12)];
+ TB = Tz + TA;
+ TM = Tz - TA;
+ }
+ T7 = T3 + T6;
+ T1R = T3 - T6;
+ T25 = Ty - TB;
+ TC = Ty + TB;
+ TN = TL - TM;
+ T1x = TL + TM;
+ T1H = T1k - T1j;
+ T1l = T1j + T1k;
+ }
+ {
+ E Tp, T17, T1f, T20, Ts, T1c, T1a, T21;
+ {
+ E Tn, To, T1d, T1e;
+ Tn = ri[WS(is, 15)];
+ To = ri[WS(is, 7)];
+ Tp = Tn + To;
+ T17 = Tn - To;
+ T1d = ii[WS(is, 15)];
+ T1e = ii[WS(is, 7)];
+ T1f = T1d - T1e;
+ T20 = T1d + T1e;
+ }
+ {
+ E Tq, Tr, T18, T19;
+ Tq = ri[WS(is, 3)];
+ Tr = ri[WS(is, 11)];
+ Ts = Tq + Tr;
+ T1c = Tq - Tr;
+ T18 = ii[WS(is, 3)];
+ T19 = ii[WS(is, 11)];
+ T1a = T18 - T19;
+ T21 = T18 + T19;
+ }
+ Tt = Tp + Ts;
+ T22 = T20 - T21;
+ T2h = T20 + T21;
+ T1b = T17 - T1a;
+ T1g = T1c + T1f;
+ T1E = T1f - T1c;
+ T1Z = Tp - Ts;
+ T1D = T17 + T1a;
+ }
+ {
+ E Ta, TP, TF, TO, Td, TR, TI, TS;
+ {
+ E T8, T9, TD, TE;
+ T8 = ri[WS(is, 2)];
+ T9 = ri[WS(is, 10)];
+ Ta = T8 + T9;
+ TP = T8 - T9;
+ TD = ii[WS(is, 2)];
+ TE = ii[WS(is, 10)];
+ TF = TD + TE;
+ TO = TD - TE;
+ }
+ {
+ E Tb, Tc, TG, TH;
+ Tb = ri[WS(is, 14)];
+ Tc = ri[WS(is, 6)];
+ Td = Tb + Tc;
+ TR = Tb - Tc;
+ TG = ii[WS(is, 14)];
+ TH = ii[WS(is, 6)];
+ TI = TG + TH;
+ TS = TG - TH;
+ }
+ Te = Ta + Td;
+ T1S = TF - TI;
+ T26 = Td - Ta;
+ TJ = TF + TI;
+ TQ = TO - TP;
+ T1m = TR - TS;
+ T1n = TP + TO;
+ TT = TR + TS;
+ }
+ {
+ E Ti, T11, TZ, T1V, Tl, TW, T14, T1W;
+ {
+ E Tg, Th, TX, TY;
+ Tg = ri[WS(is, 1)];
+ Th = ri[WS(is, 9)];
+ Ti = Tg + Th;
+ T11 = Tg - Th;
+ TX = ii[WS(is, 1)];
+ TY = ii[WS(is, 9)];
+ TZ = TX - TY;
+ T1V = TX + TY;
+ }
+ {
+ E Tj, Tk, T12, T13;
+ Tj = ri[WS(is, 5)];
+ Tk = ri[WS(is, 13)];
+ Tl = Tj + Tk;
+ TW = Tj - Tk;
+ T12 = ii[WS(is, 5)];
+ T13 = ii[WS(is, 13)];
+ T14 = T12 - T13;
+ T1W = T12 + T13;
+ }
+ Tm = Ti + Tl;
+ T1X = T1V - T1W;
+ T2g = T1V + T1W;
+ T10 = TW + TZ;
+ T15 = T11 - T14;
+ T1B = T11 + T14;
+ T1U = Ti - Tl;
+ T1A = TZ - TW;
+ }
+ {
+ E Tf, Tu, T2j, T2k;
+ Tf = T7 + Te;
+ Tu = Tm + Tt;
+ ro[WS(os, 8)] = Tf - Tu;
+ ro[0] = Tf + Tu;
+ T2j = TC + TJ;
+ T2k = T2g + T2h;
+ io[WS(os, 8)] = T2j - T2k;
+ io[0] = T2j + T2k;
+ }
+ {
+ E Tv, TK, T2f, T2i;
+ Tv = Tt - Tm;
+ TK = TC - TJ;
+ io[WS(os, 4)] = Tv + TK;
+ io[WS(os, 12)] = TK - Tv;
+ T2f = T7 - Te;
+ T2i = T2g - T2h;
+ ro[WS(os, 12)] = T2f - T2i;
+ ro[WS(os, 4)] = T2f + T2i;
+ }
+ {
+ E T1T, T27, T24, T28, T1Y, T23;
+ T1T = T1R + T1S;
+ T27 = T25 - T26;
+ T1Y = T1U + T1X;
+ T23 = T1Z - T22;
+ T24 = KP707106781 * (T1Y + T23);
+ T28 = KP707106781 * (T23 - T1Y);
+ ro[WS(os, 10)] = T1T - T24;
+ io[WS(os, 6)] = T27 + T28;
+ ro[WS(os, 2)] = T1T + T24;
+ io[WS(os, 14)] = T27 - T28;
+ }
+ {
+ E T29, T2d, T2c, T2e, T2a, T2b;
+ T29 = T1R - T1S;
+ T2d = T26 + T25;
+ T2a = T1X - T1U;
+ T2b = T1Z + T22;
+ T2c = KP707106781 * (T2a - T2b);
+ T2e = KP707106781 * (T2a + T2b);
+ ro[WS(os, 14)] = T29 - T2c;
+ io[WS(os, 2)] = T2d + T2e;
+ ro[WS(os, 6)] = T29 + T2c;
+ io[WS(os, 10)] = T2d - T2e;
+ }
+ {
+ E TV, T1r, T1p, T1v, T1i, T1q, T1u, T1w, TU, T1o;
+ TU = KP707106781 * (TQ - TT);
+ TV = TN + TU;
+ T1r = TN - TU;
+ T1o = KP707106781 * (T1m - T1n);
+ T1p = T1l - T1o;
+ T1v = T1l + T1o;
+ {
+ E T16, T1h, T1s, T1t;
+ T16 = FMA(KP923879532, T10, KP382683432 * T15);
+ T1h = FNMS(KP923879532, T1g, KP382683432 * T1b);
+ T1i = T16 + T1h;
+ T1q = T1h - T16;
+ T1s = FNMS(KP923879532, T15, KP382683432 * T10);
+ T1t = FMA(KP382683432, T1g, KP923879532 * T1b);
+ T1u = T1s - T1t;
+ T1w = T1s + T1t;
+ }
+ ro[WS(os, 11)] = TV - T1i;
+ io[WS(os, 11)] = T1v - T1w;
+ ro[WS(os, 3)] = TV + T1i;
+ io[WS(os, 3)] = T1v + T1w;
+ io[WS(os, 15)] = T1p - T1q;
+ ro[WS(os, 15)] = T1r - T1u;
+ io[WS(os, 7)] = T1p + T1q;
+ ro[WS(os, 7)] = T1r + T1u;
+ }
+ {
+ E T1z, T1L, T1J, T1P, T1G, T1K, T1O, T1Q, T1y, T1I;
+ T1y = KP707106781 * (T1n + T1m);
+ T1z = T1x + T1y;
+ T1L = T1x - T1y;
+ T1I = KP707106781 * (TQ + TT);
+ T1J = T1H - T1I;
+ T1P = T1H + T1I;
+ {
+ E T1C, T1F, T1M, T1N;
+ T1C = FMA(KP382683432, T1A, KP923879532 * T1B);
+ T1F = FNMS(KP382683432, T1E, KP923879532 * T1D);
+ T1G = T1C + T1F;
+ T1K = T1F - T1C;
+ T1M = FNMS(KP382683432, T1B, KP923879532 * T1A);
+ T1N = FMA(KP923879532, T1E, KP382683432 * T1D);
+ T1O = T1M - T1N;
+ T1Q = T1M + T1N;
+ }
+ ro[WS(os, 9)] = T1z - T1G;
+ io[WS(os, 9)] = T1P - T1Q;
+ ro[WS(os, 1)] = T1z + T1G;
+ io[WS(os, 1)] = T1P + T1Q;
+ io[WS(os, 13)] = T1J - T1K;
+ ro[WS(os, 13)] = T1L - T1O;
+ io[WS(os, 5)] = T1J + T1K;
+ ro[WS(os, 5)] = T1L + T1O;
+ }
+ }
+}
+
+static const kdft_desc desc = { 16, "n1_16", {136, 16, 8, 0}, &GENUS, 0, 0, 0, 0 };
+void X(codelet_n1_16) (planner *p) {
+ X(kdft_register) (p, n1_16, &desc);
+}