/* * 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 22:11:58 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 hc2rIII_6 -dft-III -include hc2rIII.h */ /* * This function contains 12 FP additions, 6 FP multiplications, * (or, 10 additions, 4 multiplications, 2 fused multiply/add), * 15 stack variables, and 12 memory accesses */ /* * Generator Id's : * $Id: hc2rIII_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hc2rIII_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hc2rIII_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ */ #include "hc2rIII.h" static void hc2rIII_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 T1, T6, T4, T5, T9, Tb, Ta, Tc; T1 = ri[WS(ris, 1)]; T6 = ii[WS(iis, 1)]; { E T2, T3, T7, T8; T2 = ri[WS(ris, 2)]; T3 = ri[0]; T4 = T2 + T3; T5 = KP1_732050807 * (T2 - T3); T7 = ii[WS(iis, 2)]; T8 = ii[0]; T9 = T7 + T8; Tb = KP1_732050807 * (T7 - T8); } O[0] = KP2_000000000 * (T1 + T4); O[WS(os, 3)] = KP2_000000000 * (T6 - T9); Ta = FMA(KP2_000000000, T6, T9); O[WS(os, 1)] = -(T5 + Ta); O[WS(os, 5)] = T5 - Ta; Tc = FMS(KP2_000000000, T1, T4); O[WS(os, 2)] = Tb - Tc; O[WS(os, 4)] = Tc + Tb; } } static const khc2r_desc desc = { 6, "hc2rIII_6", {10, 4, 2, 0}, &GENUS, 0, 0, 0, 0, 0 }; void X(codelet_hc2rIII_6) (planner *p) { X(khc2rIII_register) (p, hc2rIII_6, &desc); }