/* * 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 21:56:40 EDT 2003 */ #include "codelet-rdft.h" /* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 5 -name r2hc_5 -include r2hc.h */ /* * This function contains 12 FP additions, 6 FP multiplications, * (or, 9 additions, 3 multiplications, 3 fused multiply/add), * 17 stack variables, and 10 memory accesses */ /* * Generator Id's : * $Id: r2hc_5.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hc_5.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hc_5.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ */ #include "r2hc.h" static void r2hc_5(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs) { DK(KP250000000, +0.250000000000000000000000000000000000000000000); DK(KP559016994, +0.559016994374947424102293417182819058860154590); DK(KP587785252, +0.587785252292473129168705954639072768597652438); DK(KP951056516, +0.951056516295153572116439333379382143405698634); int i; for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) { E Ta, T7, T8, T3, Tb, T6, T9, Tc; Ta = I[0]; { E T1, T2, T4, T5; T1 = I[WS(is, 4)]; T2 = I[WS(is, 1)]; T7 = T2 + T1; T4 = I[WS(is, 2)]; T5 = I[WS(is, 3)]; T8 = T4 + T5; T3 = T1 - T2; Tb = T7 + T8; T6 = T4 - T5; } io[WS(ios, 1)] = FNMS(KP587785252, T6, KP951056516 * T3); ro[0] = Ta + Tb; io[WS(ios, 2)] = FMA(KP587785252, T3, KP951056516 * T6); T9 = KP559016994 * (T7 - T8); Tc = FNMS(KP250000000, Tb, Ta); ro[WS(ros, 1)] = T9 + Tc; ro[WS(ros, 2)] = Tc - T9; } } static const kr2hc_desc desc = { 5, "r2hc_5", {9, 3, 3, 0}, &GENUS, 0, 0, 0, 0, 0 }; void X(codelet_r2hc_5) (planner *p) { X(kr2hc_register) (p, r2hc_5, &desc); }