/* * 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 21:58:09 EDT 2003 */ #include "codelet-rdft.h" /* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 9 -name r2hcII_9 -dft-II -include r2hcII.h */ /* * This function contains 42 FP additions, 30 FP multiplications, * (or, 25 additions, 13 multiplications, 17 fused multiply/add), * 39 stack variables, and 18 memory accesses */ /* * Generator Id's : * $Id: r2hcII_9.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hcII_9.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hcII_9.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ */ #include "r2hcII.h" static void r2hcII_9(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs) { DK(KP663413948, +0.663413948168938396205421319635891297216863310); DK(KP642787609, +0.642787609686539326322643409907263432907559884); DK(KP556670399, +0.556670399226419366452912952047023132968291906); DK(KP766044443, +0.766044443118978035202392650555416673935832457); DK(KP852868531, +0.852868531952443209628250963940074071936020296); DK(KP173648177, +0.173648177666930348851716626769314796000375677); DK(KP984807753, +0.984807753012208059366743024589523013670643252); DK(KP150383733, +0.150383733180435296639271897612501926072238258); DK(KP813797681, +0.813797681349373692844693217248393223289101568); DK(KP342020143, +0.342020143325668733044099614682259580763083368); DK(KP939692620, +0.939692620785908384054109277324731469936208134); DK(KP296198132, +0.296198132726023843175338011893050938967728390); 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 T1, T4, To, Ta, Tl, Tk, Tf, Ti, Th, T2, T3, T5, Tg; T1 = I[0]; T2 = I[WS(is, 3)]; T3 = I[WS(is, 6)]; T4 = T2 - T3; To = T2 + T3; { E T6, T7, T8, T9; T6 = I[WS(is, 2)]; T7 = I[WS(is, 5)]; T8 = I[WS(is, 8)]; T9 = T7 - T8; Ta = T6 - T9; Tl = T7 + T8; Tk = FMA(KP500000000, T9, T6); } { E Tb, Tc, Td, Te; Tb = I[WS(is, 4)]; Tc = I[WS(is, 1)]; Td = I[WS(is, 7)]; Te = Tc + Td; Tf = Tb - Te; Ti = FMA(KP500000000, Te, Tb); Th = Tc - Td; } io[WS(ios, 1)] = KP866025403 * (Tf - Ta); T5 = T1 - T4; Tg = Ta + Tf; ro[WS(ros, 1)] = FNMS(KP500000000, Tg, T5); ro[WS(ros, 4)] = T5 + Tg; { E Tr, Tt, Tw, Tv, Tu, Tp, Tq, Ts, Tj, Tm, Tn; Tr = FMA(KP500000000, T4, T1); Tt = FMA(KP296198132, Th, KP939692620 * Ti); Tw = FNMS(KP813797681, Th, KP342020143 * Ti); Tv = FNMS(KP984807753, Tk, KP150383733 * Tl); Tu = FMA(KP173648177, Tk, KP852868531 * Tl); Tp = FNMS(KP556670399, Tl, KP766044443 * Tk); Tq = FMA(KP852868531, Th, KP173648177 * Ti); Ts = Tp + Tq; Tj = FNMS(KP984807753, Ti, KP150383733 * Th); Tm = FMA(KP642787609, Tk, KP663413948 * Tl); Tn = Tj - Tm; io[0] = FNMS(KP866025403, To, Tn); ro[0] = Tr + Ts; io[WS(ios, 3)] = FNMS(KP500000000, Tn, KP866025403 * ((Tp - Tq) - To)); ro[WS(ros, 3)] = FMA(KP866025403, Tm + Tj, Tr) - (KP500000000 * Ts); io[WS(ios, 2)] = FMA(KP866025403, To - (Tu + Tt), KP500000000 * (Tw - Tv)); ro[WS(ros, 2)] = FMA(KP500000000, Tt - Tu, Tr) + (KP866025403 * (Tv + Tw)); } } } static const kr2hc_desc desc = { 9, "r2hcII_9", {25, 13, 17, 0}, &GENUS, 0, 0, 0, 0, 0 }; void X(codelet_r2hcII_9) (planner *p) { X(kr2hcII_register) (p, r2hcII_9, &desc); }