/* * 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 21:56:41 EDT 2003 */ #include "codelet-rdft.h" /* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 7 -name r2hc_7 -include r2hc.h */ /* * This function contains 24 FP additions, 18 FP multiplications, * (or, 12 additions, 6 multiplications, 12 fused multiply/add), * 20 stack variables, and 14 memory accesses */ /* * Generator Id's : * $Id: r2hc_7.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hc_7.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hc_7.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ */ #include "r2hc.h" static void r2hc_7(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs) { DK(KP222520933, +0.222520933956314404288902564496794759466355569); DK(KP900968867, +0.900968867902419126236102319507445051165919162); DK(KP623489801, +0.623489801858733530525004884004239810632274731); DK(KP433883739, +0.433883739117558120475768332848358754609990728); DK(KP781831482, +0.781831482468029808708444526674057750232334519); DK(KP974927912, +0.974927912181823607018131682993931217232785801); int i; for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) { E T1, Ta, Tb, T4, Td, T7, Tc, T8, T9; T1 = I[0]; T8 = I[WS(is, 1)]; T9 = I[WS(is, 6)]; Ta = T8 + T9; Tb = T9 - T8; { E T2, T3, T5, T6; T2 = I[WS(is, 2)]; T3 = I[WS(is, 5)]; T4 = T2 + T3; Td = T3 - T2; T5 = I[WS(is, 3)]; T6 = I[WS(is, 4)]; T7 = T5 + T6; Tc = T6 - T5; } io[WS(ios, 2)] = FNMS(KP781831482, Tc, KP974927912 * Tb) - (KP433883739 * Td); io[WS(ios, 1)] = FMA(KP781831482, Tb, KP974927912 * Td) + (KP433883739 * Tc); ro[WS(ros, 2)] = FMA(KP623489801, T7, T1) + FNMA(KP900968867, T4, KP222520933 * Ta); io[WS(ios, 3)] = FMA(KP433883739, Tb, KP974927912 * Tc) - (KP781831482 * Td); ro[WS(ros, 3)] = FMA(KP623489801, T4, T1) + FNMA(KP222520933, T7, KP900968867 * Ta); ro[WS(ros, 1)] = FMA(KP623489801, Ta, T1) + FNMA(KP900968867, T7, KP222520933 * T4); ro[0] = T1 + Ta + T4 + T7; } } static const kr2hc_desc desc = { 7, "r2hc_7", {12, 6, 12, 0}, &GENUS, 0, 0, 0, 0, 0 }; void X(codelet_r2hc_7) (planner *p) { X(kr2hc_register) (p, r2hc_7, &desc); }