/* * 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 6 -name hc2r_6 -include hc2r.h */ /* * This function contains 14 FP additions, 4 FP multiplications, * (or, 12 additions, 2 multiplications, 2 fused multiply/add), * 17 stack variables, and 12 memory accesses */ /* * Generator Id's : * $Id: hc2r_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hc2r_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hc2r_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ */ #include "hc2r.h" static void hc2r_6(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_732050807, +1.732050807568877293527446341505872366942805254); int i; for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, O = O + ovs) { E T3, T7, Tc, Te, T6, T8, T1, T2, T9, Td; T1 = ri[0]; T2 = ri[WS(ris, 3)]; T3 = T1 - T2; T7 = T1 + T2; { E Ta, Tb, T4, T5; Ta = ii[WS(iis, 2)]; Tb = ii[WS(iis, 1)]; Tc = KP1_732050807 * (Ta - Tb); Te = KP1_732050807 * (Ta + Tb); T4 = ri[WS(ris, 2)]; T5 = ri[WS(ris, 1)]; T6 = T4 - T5; T8 = T4 + T5; } O[WS(os, 3)] = FMA(KP2_000000000, T6, T3); O[0] = FMA(KP2_000000000, T8, T7); T9 = T7 - T8; O[WS(os, 4)] = T9 - Tc; O[WS(os, 2)] = T9 + Tc; Td = T3 - T6; O[WS(os, 1)] = Td - Te; O[WS(os, 5)] = Td + Te; } } static const khc2r_desc desc = { 6, "hc2r_6", {12, 2, 2, 0}, &GENUS, 0, 0, 0, 0, 0 }; void X(codelet_hc2r_6) (planner *p) { X(khc2r_register) (p, hc2r_6, &desc); }