/* * 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 22:11:11 EDT 2003 */ #include "codelet-rdft.h" /* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2r -compact -variables 4 -sign 1 -n 5 -name hc2r_5 -include hc2r.h */ /* * This function contains 12 FP additions, 7 FP multiplications, * (or, 8 additions, 3 multiplications, 4 fused multiply/add), * 18 stack variables, and 10 memory accesses */ /* * Generator Id's : * $Id: hc2r_5.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hc2r_5.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hc2r_5.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ */ #include "hc2r.h" static void hc2r_5(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs) { DK(KP2_000000000, +2.000000000000000000000000000000000000000000000); DK(KP1_118033988, +1.118033988749894848204586834365638117720309180); DK(KP500000000, +0.500000000000000000000000000000000000000000000); DK(KP1_902113032, +1.902113032590307144232878666758764286811397268); DK(KP1_175570504, +1.175570504584946258337411909278145537195304875); int i; for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, O = O + ovs) { E Ta, Tc, T1, T4, T5, T6, Tb, T7; { E T8, T9, T2, T3; T8 = ii[WS(iis, 1)]; T9 = ii[WS(iis, 2)]; Ta = FNMS(KP1_902113032, T9, KP1_175570504 * T8); Tc = FMA(KP1_902113032, T8, KP1_175570504 * T9); T1 = ri[0]; T2 = ri[WS(ris, 1)]; T3 = ri[WS(ris, 2)]; T4 = T2 + T3; T5 = FNMS(KP500000000, T4, T1); T6 = KP1_118033988 * (T2 - T3); } O[0] = FMA(KP2_000000000, T4, T1); Tb = T6 + T5; O[WS(os, 1)] = Tb - Tc; O[WS(os, 4)] = Tb + Tc; T7 = T5 - T6; O[WS(os, 2)] = T7 - Ta; O[WS(os, 3)] = T7 + Ta; } } static const khc2r_desc desc = { 5, "hc2r_5", {8, 3, 4, 0}, &GENUS, 0, 0, 0, 0, 0 }; void X(codelet_hc2r_5) (planner *p) { X(khc2r_register) (p, hc2r_5, &desc); }