/* * 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 21:30:03 EDT 2003 */ #include "codelet-dft.h" /* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_twiddle -compact -variables 4 -n 12 -name t1_12 -include t.h */ /* * This function contains 118 FP additions, 60 FP multiplications, * (or, 88 additions, 30 multiplications, 30 fused multiply/add), * 47 stack variables, and 48 memory accesses */ /* * Generator Id's : * $Id: t1_12.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ * $Id: t1_12.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ * $Id: t1_12.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ */ #include "t.h" static const R *t1_12(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 + 22) { E T1, T1W, T18, T21, Tc, T15, T1V, T22, TR, T1E, T1o, T1D, T12, T1l, T1F; E T1G, Ti, T1S, T1d, T24, Tt, T1a, T1T, T25, TA, T1z, T1j, T1y, TL, T1g; E T1A, T1B; { E T6, T16, Tb, T17; T1 = ri[0]; T1W = ii[0]; { E T3, T5, T2, T4; T3 = ri[WS(ios, 4)]; T5 = ii[WS(ios, 4)]; T2 = W[6]; T4 = W[7]; T6 = FMA(T2, T3, T4 * T5); T16 = FNMS(T4, T3, T2 * T5); } { E T8, Ta, T7, T9; T8 = ri[WS(ios, 8)]; Ta = ii[WS(ios, 8)]; T7 = W[14]; T9 = W[15]; Tb = FMA(T7, T8, T9 * Ta); T17 = FNMS(T9, T8, T7 * Ta); } T18 = KP866025403 * (T16 - T17); T21 = KP866025403 * (Tb - T6); Tc = T6 + Tb; T15 = FNMS(KP500000000, Tc, T1); T1V = T16 + T17; T22 = FNMS(KP500000000, T1V, T1W); } { E T11, T1n, TW, T1m; { E TO, TQ, TN, TP; TO = ri[WS(ios, 9)]; TQ = ii[WS(ios, 9)]; TN = W[16]; TP = W[17]; TR = FMA(TN, TO, TP * TQ); T1E = FNMS(TP, TO, TN * TQ); } { E TY, T10, TX, TZ; TY = ri[WS(ios, 5)]; T10 = ii[WS(ios, 5)]; TX = W[8]; TZ = W[9]; T11 = FMA(TX, TY, TZ * T10); T1n = FNMS(TZ, TY, TX * T10); } { E TT, TV, TS, TU; TT = ri[WS(ios, 1)]; TV = ii[WS(ios, 1)]; TS = W[0]; TU = W[1]; TW = FMA(TS, TT, TU * TV); T1m = FNMS(TU, TT, TS * TV); } T1o = KP866025403 * (T1m - T1n); T1D = KP866025403 * (T11 - TW); T12 = TW + T11; T1l = FNMS(KP500000000, T12, TR); T1F = T1m + T1n; T1G = FNMS(KP500000000, T1F, T1E); } { E Ts, T1c, Tn, T1b; { E Tf, Th, Te, Tg; Tf = ri[WS(ios, 6)]; Th = ii[WS(ios, 6)]; Te = W[10]; Tg = W[11]; Ti = FMA(Te, Tf, Tg * Th); T1S = FNMS(Tg, Tf, Te * Th); } { E Tp, Tr, To, Tq; Tp = ri[WS(ios, 2)]; Tr = ii[WS(ios, 2)]; To = W[2]; Tq = W[3]; Ts = FMA(To, Tp, Tq * Tr); T1c = FNMS(Tq, Tp, To * Tr); } { E Tk, Tm, Tj, Tl; Tk = ri[WS(ios, 10)]; Tm = ii[WS(ios, 10)]; Tj = W[18]; Tl = W[19]; Tn = FMA(Tj, Tk, Tl * Tm); T1b = FNMS(Tl, Tk, Tj * Tm); } T1d = KP866025403 * (T1b - T1c); T24 = KP866025403 * (Ts - Tn); Tt = Tn + Ts; T1a = FNMS(KP500000000, Tt, Ti); T1T = T1b + T1c; T25 = FNMS(KP500000000, T1T, T1S); } { E TK, T1i, TF, T1h; { E Tx, Tz, Tw, Ty; Tx = ri[WS(ios, 3)]; Tz = ii[WS(ios, 3)]; Tw = W[4]; Ty = W[5]; TA = FMA(Tw, Tx, Ty * Tz); T1z = FNMS(Ty, Tx, Tw * Tz); } { E TH, TJ, TG, TI; TH = ri[WS(ios, 11)]; TJ = ii[WS(ios, 11)]; TG = W[20]; TI = W[21]; TK = FMA(TG, TH, TI * TJ); T1i = FNMS(TI, TH, TG * TJ); } { E TC, TE, TB, TD; TC = ri[WS(ios, 7)]; TE = ii[WS(ios, 7)]; TB = W[12]; TD = W[13]; TF = FMA(TB, TC, TD * TE); T1h = FNMS(TD, TC, TB * TE); } T1j = KP866025403 * (T1h - T1i); T1y = KP866025403 * (TK - TF); TL = TF + TK; T1g = FNMS(KP500000000, TL, TA); T1A = T1h + T1i; T1B = FNMS(KP500000000, T1A, T1z); } { E Tv, T1N, T1Y, T20, T14, T1Z, T1Q, T1R; { E Td, Tu, T1U, T1X; Td = T1 + Tc; Tu = Ti + Tt; Tv = Td + Tu; T1N = Td - Tu; T1U = T1S + T1T; T1X = T1V + T1W; T1Y = T1U + T1X; T20 = T1X - T1U; } { E TM, T13, T1O, T1P; TM = TA + TL; T13 = TR + T12; T14 = TM + T13; T1Z = TM - T13; T1O = T1z + T1A; T1P = T1E + T1F; T1Q = T1O - T1P; T1R = T1O + T1P; } ri[WS(ios, 6)] = Tv - T14; ii[WS(ios, 6)] = T1Y - T1R; ri[0] = Tv + T14; ii[0] = T1R + T1Y; ri[WS(ios, 3)] = T1N - T1Q; ii[WS(ios, 3)] = T1Z + T20; ri[WS(ios, 9)] = T1N + T1Q; ii[WS(ios, 9)] = T20 - T1Z; } { E T1t, T1x, T27, T2a, T1w, T28, T1I, T29; { E T1r, T1s, T23, T26; T1r = T15 + T18; T1s = T1a + T1d; T1t = T1r + T1s; T1x = T1r - T1s; T23 = T21 + T22; T26 = T24 + T25; T27 = T23 - T26; T2a = T26 + T23; } { E T1u, T1v, T1C, T1H; T1u = T1g + T1j; T1v = T1l + T1o; T1w = T1u + T1v; T28 = T1u - T1v; T1C = T1y + T1B; T1H = T1D + T1G; T1I = T1C - T1H; T29 = T1C + T1H; } ri[WS(ios, 10)] = T1t - T1w; ii[WS(ios, 10)] = T2a - T29; ri[WS(ios, 4)] = T1t + T1w; ii[WS(ios, 4)] = T29 + T2a; ri[WS(ios, 7)] = T1x - T1I; ii[WS(ios, 7)] = T28 + T27; ri[WS(ios, 1)] = T1x + T1I; ii[WS(ios, 1)] = T27 - T28; } { E T1f, T1J, T2d, T2f, T1q, T2g, T1M, T2e; { E T19, T1e, T2b, T2c; T19 = T15 - T18; T1e = T1a - T1d; T1f = T19 + T1e; T1J = T19 - T1e; T2b = T25 - T24; T2c = T22 - T21; T2d = T2b + T2c; T2f = T2c - T2b; } { E T1k, T1p, T1K, T1L; T1k = T1g - T1j; T1p = T1l - T1o; T1q = T1k + T1p; T2g = T1k - T1p; T1K = T1B - T1y; T1L = T1G - T1D; T1M = T1K - T1L; T2e = T1K + T1L; } ri[WS(ios, 2)] = T1f - T1q; ii[WS(ios, 2)] = T2d - T2e; ri[WS(ios, 8)] = T1f + T1q; ii[WS(ios, 8)] = T2e + T2d; ri[WS(ios, 11)] = T1J - T1M; ii[WS(ios, 11)] = T2g + T2f; ri[WS(ios, 5)] = T1J + T1M; ii[WS(ios, 5)] = T2f - T2g; } } return W; } static const tw_instr twinstr[] = { {TW_FULL, 0, 12}, {TW_NEXT, 1, 0} }; static const ct_desc desc = { 12, "t1_12", twinstr, {88, 30, 30, 0}, &GENUS, 0, 0, 0 }; void X(codelet_t1_12) (planner *p) { X(kdft_dit_register) (p, t1_12, &desc); }