/* * 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 22:11:31 EDT 2003 */ #include "codelet-rdft.h" /* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -sign 1 -n 9 -dif -name hb_9 -include hb.h */ /* * This function contains 96 FP additions, 72 FP multiplications, * (or, 60 additions, 36 multiplications, 36 fused multiply/add), * 53 stack variables, and 36 memory accesses */ /* * Generator Id's : * $Id: hb_9.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hb_9.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hb_9.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ */ #include "hb.h" static const R *hb_9(R *rio, R *iio, const R *W, stride ios, int m, int dist) { DK(KP642787609, +0.642787609686539326322643409907263432907559884); DK(KP766044443, +0.766044443118978035202392650555416673935832457); DK(KP984807753, +0.984807753012208059366743024589523013670643252); DK(KP173648177, +0.173648177666930348851716626769314796000375677); DK(KP342020143, +0.342020143325668733044099614682259580763083368); DK(KP939692620, +0.939692620785908384054109277324731469936208134); DK(KP500000000, +0.500000000000000000000000000000000000000000000); DK(KP866025403, +0.866025403784438646763723170752936183471402627); int i; for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 16) { E T5, T1z, Tm, T18, TQ, T1i, Ta, Tf, Tg, T1A, T1B, T1C, Tx, TS, T1e; E T1k, T1b, T1j, TI, TR; { E T1, TM, T4, TP, Tl, TN, Ti, TO; T1 = rio[0]; TM = iio[0]; { E T2, T3, Tj, Tk; T2 = rio[WS(ios, 3)]; T3 = iio[-WS(ios, 6)]; T4 = T2 + T3; TP = KP866025403 * (T2 - T3); Tj = rio[WS(ios, 6)]; Tk = iio[-WS(ios, 3)]; Tl = KP866025403 * (Tj + Tk); TN = Tj - Tk; } T5 = T1 + T4; T1z = TM - TN; Ti = FNMS(KP500000000, T4, T1); Tm = Ti + Tl; T18 = Ti - Tl; TO = FMA(KP500000000, TN, TM); TQ = TO - TP; T1i = TP + TO; } { E T6, T9, Ty, TG, TD, TE, TB, TF, Tb, Te, Tn, Tv, Tt, Ts, Tq; E Tu; { E T7, T8, Tz, TA; T6 = rio[WS(ios, 1)]; T7 = rio[WS(ios, 4)]; T8 = iio[-WS(ios, 7)]; T9 = T7 + T8; Ty = FNMS(KP500000000, T9, T6); TG = KP866025403 * (T7 - T8); TD = iio[-WS(ios, 1)]; Tz = rio[WS(ios, 7)]; TA = iio[-WS(ios, 4)]; TE = Tz - TA; TB = KP866025403 * (Tz + TA); TF = FMA(KP500000000, TE, TD); } { E Tc, Td, To, Tp; Tb = rio[WS(ios, 2)]; Tc = iio[-WS(ios, 5)]; Td = iio[-WS(ios, 8)]; Te = Tc + Td; Tn = FNMS(KP500000000, Te, Tb); Tv = KP866025403 * (Tc - Td); Tt = iio[-WS(ios, 2)]; To = rio[WS(ios, 5)]; Tp = rio[WS(ios, 8)]; Ts = To + Tp; Tq = KP866025403 * (To - Tp); Tu = FMA(KP500000000, Ts, Tt); } { E Tr, Tw, T1c, T1d; Ta = T6 + T9; Tf = Tb + Te; Tg = Ta + Tf; T1A = TD - TE; T1B = Tt - Ts; T1C = T1A + T1B; Tr = Tn - Tq; Tw = Tu - Tv; Tx = FMA(KP939692620, Tr, KP342020143 * Tw); TS = FNMS(KP939692620, Tw, KP342020143 * Tr); T1c = Tn + Tq; T1d = Tv + Tu; T1e = FNMS(KP984807753, T1d, KP173648177 * T1c); T1k = FMA(KP984807753, T1c, KP173648177 * T1d); { E T19, T1a, TC, TH; T19 = Ty - TB; T1a = TG + TF; T1b = FNMS(KP642787609, T1a, KP766044443 * T19); T1j = FMA(KP766044443, T1a, KP642787609 * T19); TC = Ty + TB; TH = TF - TG; TI = FNMS(KP984807753, TH, KP173648177 * TC); TR = FMA(KP173648177, TH, KP984807753 * TC); } } } rio[0] = T5 + Tg; { E TX, T11, TK, T10, TU, TW, TJ, TT, Th, TL; TX = KP866025403 * (TI + Tx); T11 = KP866025403 * (TS - TR); TJ = Tx - TI; TK = Tm - TJ; T10 = FMA(KP500000000, TJ, Tm); TT = TR + TS; TU = TQ + TT; TW = FNMS(KP500000000, TT, TQ); Th = W[2]; TL = W[3]; rio[WS(ios, 2)] = FNMS(TL, TU, Th * TK); iio[-WS(ios, 6)] = FMA(Th, TU, TL * TK); { E T14, T16, T13, T15; T14 = TW + TX; T16 = T11 + T10; T13 = W[8]; T15 = W[9]; iio[-WS(ios, 3)] = FMA(T13, T14, T15 * T16); rio[WS(ios, 5)] = FNMS(T15, T14, T13 * T16); } { E TY, T12, TV, TZ; TY = TW - TX; T12 = T10 - T11; TV = W[14]; TZ = W[15]; iio[0] = FMA(TV, TY, TZ * T12); rio[WS(ios, 8)] = FNMS(TZ, TY, TV * T12); } } iio[-WS(ios, 8)] = T1z + T1C; { E T1G, T1O, T1K, T1M; { E T1E, T1F, T1I, T1J; T1E = FNMS(KP500000000, T1C, T1z); T1F = KP866025403 * (Ta - Tf); T1G = T1E - T1F; T1O = T1F + T1E; T1I = FNMS(KP500000000, Tg, T5); T1J = KP866025403 * (T1B - T1A); T1K = T1I - T1J; T1M = T1I + T1J; } { E T1D, T1H, T1L, T1N; T1D = W[10]; T1H = W[11]; iio[-WS(ios, 2)] = FMA(T1D, T1G, T1H * T1K); rio[WS(ios, 6)] = FNMS(T1H, T1G, T1D * T1K); T1L = W[4]; T1N = W[5]; rio[WS(ios, 3)] = FNMS(T1N, T1O, T1L * T1M); iio[-WS(ios, 5)] = FMA(T1L, T1O, T1N * T1M); } } { E T1p, T1t, T1g, T1s, T1m, T1o, T1f, T1l, T17, T1h; T1p = KP866025403 * (T1b - T1e); T1t = KP866025403 * (T1k - T1j); T1f = T1b + T1e; T1g = T18 + T1f; T1s = FNMS(KP500000000, T1f, T18); T1l = T1j + T1k; T1m = T1i + T1l; T1o = FNMS(KP500000000, T1l, T1i); T17 = W[0]; T1h = W[1]; rio[WS(ios, 1)] = FNMS(T1h, T1m, T17 * T1g); iio[-WS(ios, 7)] = FMA(T1h, T1g, T17 * T1m); { E T1q, T1u, T1n, T1r; T1q = T1o - T1p; T1u = T1s - T1t; T1n = W[12]; T1r = W[13]; iio[-WS(ios, 1)] = FMA(T1n, T1q, T1r * T1u); rio[WS(ios, 7)] = FNMS(T1r, T1q, T1n * T1u); } { E T1w, T1y, T1v, T1x; T1w = T1s + T1t; T1y = T1p + T1o; T1v = W[6]; T1x = W[7]; rio[WS(ios, 4)] = FNMS(T1x, T1y, T1v * T1w); iio[-WS(ios, 4)] = FMA(T1v, T1y, T1x * T1w); } } } return W; } static const tw_instr twinstr[] = { {TW_FULL, 0, 9}, {TW_NEXT, 1, 0} }; static const hc2hc_desc desc = { 9, "hb_9", twinstr, {60, 36, 36, 0}, &GENUS, 0, 0, 0 }; void X(codelet_hb_9) (planner *p) { X(khc2hc_dif_register) (p, hb_9, &desc); }