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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/hf2_16.c
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/hf2_16.c')
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1 files changed, 411 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/hf2_16.c b/src/fftw3/rdft/codelets/r2hc/hf2_16.c
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+++ b/src/fftw3/rdft/codelets/r2hc/hf2_16.c
@@ -0,0 +1,411 @@
+/*
+ * 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 21:57:30 EDT 2003 */
+
+#include "codelet-rdft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -twiddle-log3 -n 16 -dit -name hf2_16 -include hf.h */
+
+/*
+ * This function contains 196 FP additions, 108 FP multiplications,
+ * (or, 156 additions, 68 multiplications, 40 fused multiply/add),
+ * 104 stack variables, and 64 memory accesses
+ */
+/*
+ * Generator Id's :
+ * $Id: hf2_16.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: hf2_16.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: hf2_16.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ */
+
+#include "hf.h"
+
+static const R *hf2_16(R *rio, R *iio, const R *W, stride ios, int m, int dist)
+{
+ DK(KP382683432, +0.382683432365089771728459984030398866761344562);
+ DK(KP923879532, +0.923879532511286756128183189396788286822416626);
+ DK(KP707106781, +0.707106781186547524400844362104849039284835938);
+ int i;
+ for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 8) {
+ E T1, T3d, T18, T26, T29, T2R, Tq, T1r, T1E, T2k, T2g, T1O, Te, T3c, Tz;
+ E T1P, T1S, T1T, T1U, TG, TL, T1V, T1Y, T1Z, T20, TT, TY, T1X, T1A, T2l;
+ E T1J, T2h, T1h, T2b, T1m, T2a;
+ T1 = rio[0];
+ T3d = iio[-WS(ios, 15)];
+ {
+ E T9, T1z, Td, T1v, T1I, Tl, Tp, T1G, Tu, T1D, TD, Ty, T1C, T1l, TX;
+ E TK, T1g, TI, T1j, TF, T1c, TQ, TS, T1p, T1q, TV, T2, T5, Ti, Tg;
+ E T4, Tw, Ts, Ta, Tv, T7, Tb, Tr, Tk, TW, TJ, TC, TU, To, TE;
+ E TH, T14, T24, T17, T25, TN, TO, TP, TR;
+ T9 = rio[WS(ios, 8)];
+ T1z = iio[-WS(ios, 8)];
+ Td = iio[-WS(ios, 7)];
+ T1v = rio[WS(ios, 7)];
+ T1I = iio[-WS(ios, 4)];
+ Tl = rio[WS(ios, 4)];
+ Tp = iio[-WS(ios, 11)];
+ T1G = rio[WS(ios, 11)];
+ Tu = rio[WS(ios, 12)];
+ T1D = iio[-WS(ios, 12)];
+ TD = rio[WS(ios, 2)];
+ Ty = iio[-WS(ios, 3)];
+ T1C = rio[WS(ios, 3)];
+ T1l = iio[-WS(ios, 2)];
+ TX = iio[-WS(ios, 9)];
+ TK = iio[-WS(ios, 5)];
+ T1g = iio[-WS(ios, 10)];
+ TI = rio[WS(ios, 10)];
+ T1j = rio[WS(ios, 13)];
+ TF = iio[-WS(ios, 13)];
+ T1c = rio[WS(ios, 5)];
+ TQ = rio[WS(ios, 14)];
+ TS = iio[-WS(ios, 1)];
+ T1p = rio[WS(ios, 15)];
+ T1q = iio[0];
+ TV = rio[WS(ios, 6)];
+ {
+ E T12, T16, T13, T15, T3, T6, Tm, Tj, Tn, Th;
+ T12 = rio[WS(ios, 1)];
+ T16 = iio[-WS(ios, 6)];
+ T13 = iio[-WS(ios, 14)];
+ T15 = rio[WS(ios, 9)];
+ T2 = W[4];
+ T5 = W[5];
+ T3 = W[0];
+ T6 = W[1];
+ Ti = W[3];
+ Tg = W[2];
+ T4 = T2 * T3;
+ Tw = T5 * Tg;
+ Ts = T5 * Ti;
+ Ta = T2 * T6;
+ Tv = T2 * Ti;
+ T7 = T5 * T6;
+ Tb = T5 * T3;
+ Tr = T2 * Tg;
+ Tm = Tg * T6;
+ Tj = Ti * T6;
+ Tn = Ti * T3;
+ Th = Tg * T3;
+ Tk = Th - Tj;
+ TW = Tv - Tw;
+ TJ = Ta + Tb;
+ TC = Th + Tj;
+ TU = Tr + Ts;
+ To = Tm + Tn;
+ TE = Tm - Tn;
+ TH = T4 - T7;
+ T14 = FMA(T3, T12, T6 * T13);
+ T24 = FNMS(T6, T12, T3 * T13);
+ T17 = FMA(T2, T15, T5 * T16);
+ T25 = FNMS(T5, T15, T2 * T16);
+ TN = W[6];
+ TO = W[7];
+ TP = FMA(TN, T3, TO * T6);
+ TR = FNMS(TO, T3, TN * T6);
+ }
+ T18 = T14 + T17;
+ T26 = T24 - T25;
+ T29 = T14 - T17;
+ T2R = T24 + T25;
+ Tq = FMA(Tk, Tl, To * Tp);
+ T1r = FMA(TN, T1p, TO * T1q);
+ T1E = FMA(Tg, T1C, Ti * T1D);
+ T2k = FNMS(TO, T1p, TN * T1q);
+ T2g = FNMS(Ti, T1C, Tg * T1D);
+ {
+ E T8, Tc, Tt, Tx;
+ T1O = FNMS(To, Tl, Tk * Tp);
+ T8 = T4 + T7;
+ Tc = Ta - Tb;
+ Te = FNMS(Tc, Td, T8 * T9);
+ T3c = FMA(Tc, T9, T8 * Td);
+ Tt = Tr - Ts;
+ Tx = Tv + Tw;
+ Tz = FMA(Tt, Tu, Tx * Ty);
+ T1P = FNMS(Tx, Tu, Tt * Ty);
+ T1S = FMA(TE, TD, TC * TF);
+ T1T = FNMS(TJ, TI, TH * TK);
+ T1U = T1S - T1T;
+ }
+ TG = FNMS(TE, TF, TC * TD);
+ TL = FMA(TH, TI, TJ * TK);
+ T1V = TG - TL;
+ T1Y = FMA(TR, TQ, TP * TS);
+ T1Z = FMA(TW, TV, TU * TX);
+ T20 = T1Y - T1Z;
+ TT = FNMS(TR, TS, TP * TQ);
+ TY = FNMS(TW, TX, TU * TV);
+ T1X = TT - TY;
+ {
+ E T1u, T1F, T1y, T1H;
+ {
+ E T1s, T1t, T1w, T1x;
+ T1s = T2 * TC;
+ T1t = T5 * TE;
+ T1u = T1s - T1t;
+ T1F = T1s + T1t;
+ T1w = T2 * TE;
+ T1x = T5 * TC;
+ T1y = T1w + T1x;
+ T1H = T1w - T1x;
+ }
+ T1A = FMA(T1u, T1v, T1y * T1z);
+ T2l = FNMS(T1y, T1v, T1u * T1z);
+ T1J = FNMS(T1H, T1I, T1F * T1G);
+ T2h = FMA(T1H, T1G, T1F * T1I);
+ }
+ {
+ E T1b, T1i, T1f, T1k;
+ {
+ E T19, T1a, T1d, T1e;
+ T19 = T2 * Tk;
+ T1a = T5 * To;
+ T1b = T19 + T1a;
+ T1i = T19 - T1a;
+ T1d = T2 * To;
+ T1e = T5 * Tk;
+ T1f = T1d - T1e;
+ T1k = T1d + T1e;
+ }
+ T1h = FNMS(T1f, T1g, T1b * T1c);
+ T2b = FNMS(T1k, T1j, T1i * T1l);
+ T1m = FMA(T1i, T1j, T1k * T1l);
+ T2a = FMA(T1f, T1c, T1b * T1g);
+ }
+ }
+ {
+ E TB, T2L, T10, T3k, T3f, T3l, T2O, T3a, T1o, T36, T2U, T32, T1L, T37, T2Z;
+ E T33;
+ {
+ E Tf, TA, T2M, T2N;
+ Tf = T1 + Te;
+ TA = Tq + Tz;
+ TB = Tf + TA;
+ T2L = Tf - TA;
+ {
+ E TM, TZ, T3b, T3e;
+ TM = TG + TL;
+ TZ = TT + TY;
+ T10 = TM + TZ;
+ T3k = TZ - TM;
+ T3b = T1O + T1P;
+ T3e = T3c + T3d;
+ T3f = T3b + T3e;
+ T3l = T3e - T3b;
+ }
+ T2M = T1S + T1T;
+ T2N = T1Y + T1Z;
+ T2O = T2M - T2N;
+ T3a = T2M + T2N;
+ {
+ E T1n, T2Q, T2S, T2T;
+ T1n = T1h + T1m;
+ T2Q = T18 - T1n;
+ T2S = T2a + T2b;
+ T2T = T2R - T2S;
+ T1o = T18 + T1n;
+ T36 = T2R + T2S;
+ T2U = T2Q + T2T;
+ T32 = T2T - T2Q;
+ }
+ {
+ E T1B, T1K, T2V, T2W, T2X, T2Y;
+ T1B = T1r + T1A;
+ T1K = T1E + T1J;
+ T2V = T1B - T1K;
+ T2W = T2k + T2l;
+ T2X = T2g + T2h;
+ T2Y = T2W - T2X;
+ T1L = T1B + T1K;
+ T37 = T2W + T2X;
+ T2Z = T2V - T2Y;
+ T33 = T2V + T2Y;
+ }
+ }
+ {
+ E T11, T1M, T39, T3g;
+ T11 = TB + T10;
+ T1M = T1o + T1L;
+ iio[-WS(ios, 8)] = T11 - T1M;
+ rio[0] = T11 + T1M;
+ T39 = T36 + T37;
+ T3g = T3a + T3f;
+ rio[WS(ios, 8)] = T39 - T3g;
+ iio[0] = T39 + T3g;
+ }
+ {
+ E T2P, T30, T3j, T3m;
+ T2P = T2L + T2O;
+ T30 = KP707106781 * (T2U + T2Z);
+ iio[-WS(ios, 10)] = T2P - T30;
+ rio[WS(ios, 2)] = T2P + T30;
+ T3j = KP707106781 * (T32 + T33);
+ T3m = T3k + T3l;
+ rio[WS(ios, 10)] = T3j - T3m;
+ iio[-WS(ios, 2)] = T3j + T3m;
+ }
+ {
+ E T31, T34, T3n, T3o;
+ T31 = T2L - T2O;
+ T34 = KP707106781 * (T32 - T33);
+ iio[-WS(ios, 14)] = T31 - T34;
+ rio[WS(ios, 6)] = T31 + T34;
+ T3n = KP707106781 * (T2Z - T2U);
+ T3o = T3l - T3k;
+ rio[WS(ios, 14)] = T3n - T3o;
+ iio[-WS(ios, 6)] = T3n + T3o;
+ }
+ {
+ E T35, T38, T3h, T3i;
+ T35 = TB - T10;
+ T38 = T36 - T37;
+ iio[-WS(ios, 12)] = T35 - T38;
+ rio[WS(ios, 4)] = T35 + T38;
+ T3h = T1L - T1o;
+ T3i = T3f - T3a;
+ rio[WS(ios, 12)] = T3h - T3i;
+ iio[-WS(ios, 4)] = T3h + T3i;
+ }
+ }
+ {
+ E T1R, T2v, T22, T3q, T3t, T3z, T2y, T3y, T2e, T2I, T2s, T2C, T2p, T2J, T2t;
+ E T2F;
+ {
+ E T1N, T1Q, T2w, T2x;
+ T1N = T1 - Te;
+ T1Q = T1O - T1P;
+ T1R = T1N - T1Q;
+ T2v = T1N + T1Q;
+ {
+ E T1W, T21, T3r, T3s;
+ T1W = T1U - T1V;
+ T21 = T1X + T20;
+ T22 = KP707106781 * (T1W - T21);
+ T3q = KP707106781 * (T1W + T21);
+ T3r = T3d - T3c;
+ T3s = Tq - Tz;
+ T3t = T3r - T3s;
+ T3z = T3s + T3r;
+ }
+ T2w = T1V + T1U;
+ T2x = T1X - T20;
+ T2y = KP707106781 * (T2w + T2x);
+ T3y = KP707106781 * (T2x - T2w);
+ {
+ E T28, T2A, T2d, T2B, T27, T2c;
+ T27 = T1h - T1m;
+ T28 = T26 + T27;
+ T2A = T26 - T27;
+ T2c = T2a - T2b;
+ T2d = T29 - T2c;
+ T2B = T29 + T2c;
+ T2e = FMA(KP923879532, T28, KP382683432 * T2d);
+ T2I = FNMS(KP382683432, T2B, KP923879532 * T2A);
+ T2s = FNMS(KP923879532, T2d, KP382683432 * T28);
+ T2C = FMA(KP382683432, T2A, KP923879532 * T2B);
+ }
+ {
+ E T2j, T2D, T2o, T2E;
+ {
+ E T2f, T2i, T2m, T2n;
+ T2f = T1r - T1A;
+ T2i = T2g - T2h;
+ T2j = T2f - T2i;
+ T2D = T2f + T2i;
+ T2m = T2k - T2l;
+ T2n = T1E - T1J;
+ T2o = T2m + T2n;
+ T2E = T2m - T2n;
+ }
+ T2p = FNMS(KP923879532, T2o, KP382683432 * T2j);
+ T2J = FMA(KP923879532, T2E, KP382683432 * T2D);
+ T2t = FMA(KP382683432, T2o, KP923879532 * T2j);
+ T2F = FNMS(KP382683432, T2E, KP923879532 * T2D);
+ }
+ }
+ {
+ E T23, T2q, T3x, T3A;
+ T23 = T1R + T22;
+ T2q = T2e + T2p;
+ iio[-WS(ios, 11)] = T23 - T2q;
+ rio[WS(ios, 3)] = T23 + T2q;
+ T3x = T2s + T2t;
+ T3A = T3y + T3z;
+ rio[WS(ios, 11)] = T3x - T3A;
+ iio[-WS(ios, 3)] = T3x + T3A;
+ }
+ {
+ E T2r, T2u, T3B, T3C;
+ T2r = T1R - T22;
+ T2u = T2s - T2t;
+ iio[-WS(ios, 15)] = T2r - T2u;
+ rio[WS(ios, 7)] = T2r + T2u;
+ T3B = T2p - T2e;
+ T3C = T3z - T3y;
+ rio[WS(ios, 15)] = T3B - T3C;
+ iio[-WS(ios, 7)] = T3B + T3C;
+ }
+ {
+ E T2z, T2G, T3p, T3u;
+ T2z = T2v + T2y;
+ T2G = T2C + T2F;
+ iio[-WS(ios, 9)] = T2z - T2G;
+ rio[WS(ios, 1)] = T2z + T2G;
+ T3p = T2I + T2J;
+ T3u = T3q + T3t;
+ rio[WS(ios, 9)] = T3p - T3u;
+ iio[-WS(ios, 1)] = T3p + T3u;
+ }
+ {
+ E T2H, T2K, T3v, T3w;
+ T2H = T2v - T2y;
+ T2K = T2I - T2J;
+ iio[-WS(ios, 13)] = T2H - T2K;
+ rio[WS(ios, 5)] = T2H + T2K;
+ T3v = T2F - T2C;
+ T3w = T3t - T3q;
+ rio[WS(ios, 13)] = T3v - T3w;
+ iio[-WS(ios, 5)] = T3v + T3w;
+ }
+ }
+ }
+ return W;
+}
+
+static const tw_instr twinstr[] = {
+ {TW_COS, 0, 1},
+ {TW_SIN, 0, 1},
+ {TW_COS, 0, 3},
+ {TW_SIN, 0, 3},
+ {TW_COS, 0, 9},
+ {TW_SIN, 0, 9},
+ {TW_COS, 0, 15},
+ {TW_SIN, 0, 15},
+ {TW_NEXT, 1, 0}
+};
+
+static const hc2hc_desc desc = { 16, "hf2_16", twinstr, {156, 68, 40, 0}, &GENUS, 0, 0, 0 };
+
+void X(codelet_hf2_16) (planner *p) {
+ X(khc2hc_dit_register) (p, hf2_16, &desc);
+}