/* * 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 21:58:03 EDT 2003 */ #include "codelet-rdft.h" /* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 6 -name r2hcII_6 -dft-II -include r2hcII.h */ /* * This function contains 13 FP additions, 4 FP multiplications, * (or, 11 additions, 2 multiplications, 2 fused multiply/add), * 14 stack variables, and 12 memory accesses */ /* * Generator Id's : * $Id: r2hcII_6.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hcII_6.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hcII_6.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ */ #include "r2hcII.h" static void r2hcII_6(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs) { DK(KP500000000, +0.500000000000000000000000000000000000000000000); DK(KP866025403, +0.866025403784438646763723170752936183471402627); int i; for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) { E Ta, T7, T9, T1, T3, T2, T8, T4, T5, T6, Tb; Ta = I[WS(is, 3)]; T5 = I[WS(is, 5)]; T6 = I[WS(is, 1)]; T7 = KP866025403 * (T5 - T6); T9 = T5 + T6; T1 = I[0]; T3 = I[WS(is, 2)]; T2 = I[WS(is, 4)]; T8 = KP866025403 * (T2 + T3); T4 = FMA(KP500000000, T3 - T2, T1); ro[0] = T4 - T7; ro[WS(ros, 2)] = T4 + T7; io[WS(ios, 1)] = Ta - T9; ro[WS(ros, 1)] = T1 + T2 - T3; Tb = FMA(KP500000000, T9, Ta); io[0] = -(T8 + Tb); io[WS(ios, 2)] = T8 - Tb; } } static const kr2hc_desc desc = { 6, "r2hcII_6", {11, 2, 2, 0}, &GENUS, 0, 0, 0, 0, 0 }; void X(codelet_r2hcII_6) (planner *p) { X(kr2hcII_register) (p, r2hcII_6, &desc); }