/* * 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 21:56:42 EDT 2003 */ #include "codelet-rdft.h" /* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 15 -name r2hc_15 -include r2hc.h */ /* * This function contains 64 FP additions, 25 FP multiplications, * (or, 50 additions, 11 multiplications, 14 fused multiply/add), * 47 stack variables, and 30 memory accesses */ /* * Generator Id's : * $Id: r2hc_15.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hc_15.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hc_15.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ */ #include "r2hc.h" static void r2hc_15(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs) { DK(KP484122918, +0.484122918275927110647408174972799951354115213); DK(KP216506350, +0.216506350946109661690930792688234045867850657); DK(KP951056516, +0.951056516295153572116439333379382143405698634); DK(KP587785252, +0.587785252292473129168705954639072768597652438); DK(KP250000000, +0.250000000000000000000000000000000000000000000); DK(KP559016994, +0.559016994374947424102293417182819058860154590); DK(KP509036960, +0.509036960455127183450980863393907648510733164); DK(KP823639103, +0.823639103546331925877420039278190003029660514); DK(KP866025403, +0.866025403784438646763723170752936183471402627); DK(KP500000000, +0.500000000000000000000000000000000000000000000); int i; for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) { E Ti, TR, TL, TD, TE, T7, Te, Tf, TV, TW, TX, Tv, Ty, TH, To; E Tr, TG, TS, TT, TU; { E TJ, Tg, Th, TK; TJ = I[0]; Tg = I[WS(is, 10)]; Th = I[WS(is, 5)]; TK = Th + Tg; Ti = Tg - Th; TR = TJ + TK; TL = FNMS(KP500000000, TK, TJ); } { E Tm, Tt, Tw, Tp, T3, Tx, Ta, Tn, Td, Tq, T6, Tu; Tm = I[WS(is, 3)]; Tt = I[WS(is, 6)]; Tw = I[WS(is, 9)]; Tp = I[WS(is, 12)]; { E T1, T2, T8, T9; T1 = I[WS(is, 14)]; T2 = I[WS(is, 4)]; T3 = T1 - T2; Tx = T1 + T2; T8 = I[WS(is, 13)]; T9 = I[WS(is, 8)]; Ta = T8 - T9; Tn = T9 + T8; } { E Tb, Tc, T4, T5; Tb = I[WS(is, 7)]; Tc = I[WS(is, 2)]; Td = Tb - Tc; Tq = Tc + Tb; T4 = I[WS(is, 1)]; T5 = I[WS(is, 11)]; T6 = T4 - T5; Tu = T5 + T4; } TD = Ta - Td; TE = T6 + T3; T7 = T3 - T6; Te = Ta + Td; Tf = T7 - Te; TV = Tt + Tu; TW = Tw + Tx; TX = TV + TW; Tv = FNMS(KP500000000, Tu, Tt); Ty = FNMS(KP500000000, Tx, Tw); TH = Tv + Ty; To = FNMS(KP500000000, Tn, Tm); Tr = FNMS(KP500000000, Tq, Tp); TG = To + Tr; TS = Tm + Tn; TT = Tp + Tq; TU = TS + TT; } io[WS(ios, 5)] = KP866025403 * (Tf - Ti); { E TF, TP, TI, TM, TN, TQ, TO; TF = FMA(KP823639103, TD, KP509036960 * TE); TP = FNMS(KP509036960, TD, KP823639103 * TE); TI = KP559016994 * (TG - TH); TM = TG + TH; TN = FNMS(KP250000000, TM, TL); ro[WS(ros, 5)] = TL + TM; TQ = TN - TI; ro[WS(ros, 2)] = TP + TQ; ro[WS(ros, 7)] = TQ - TP; TO = TI + TN; ro[WS(ros, 1)] = TF + TO; ro[WS(ros, 4)] = TO - TF; } { E T11, T12, T10, TY, TZ; T11 = TS - TT; T12 = TW - TV; io[WS(ios, 3)] = FMA(KP587785252, T11, KP951056516 * T12); io[WS(ios, 6)] = FNMS(KP951056516, T11, KP587785252 * T12); T10 = KP559016994 * (TU - TX); TY = TU + TX; TZ = FNMS(KP250000000, TY, TR); ro[WS(ros, 3)] = TZ - T10; ro[0] = TR + TY; ro[WS(ros, 6)] = T10 + TZ; { E Tl, TB, TA, TC; { E Tj, Tk, Ts, Tz; Tj = FMA(KP866025403, Ti, KP216506350 * Tf); Tk = KP484122918 * (Te + T7); Tl = Tj + Tk; TB = Tk - Tj; Ts = To - Tr; Tz = Tv - Ty; TA = FMA(KP951056516, Ts, KP587785252 * Tz); TC = FNMS(KP587785252, Ts, KP951056516 * Tz); } io[WS(ios, 1)] = Tl - TA; io[WS(ios, 7)] = TC - TB; io[WS(ios, 4)] = Tl + TA; io[WS(ios, 2)] = TB + TC; } } } } static const kr2hc_desc desc = { 15, "r2hc_15", {50, 11, 14, 0}, &GENUS, 0, 0, 0, 0, 0 }; void X(codelet_r2hc_15) (planner *p) { X(kr2hc_register) (p, r2hc_15, &desc); }