diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/r2hc_7.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/r2hc/r2hc_7.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/r2hc_7.c b/src/fftw3/rdft/codelets/r2hc/r2hc_7.c new file mode 100644 index 0000000..8548e93 --- /dev/null +++ b/src/fftw3/rdft/codelets/r2hc/r2hc_7.c @@ -0,0 +1,83 @@ +/* + * 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 21:56:41 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 7 -name r2hc_7 -include r2hc.h */ + +/* + * This function contains 24 FP additions, 18 FP multiplications, + * (or, 12 additions, 6 multiplications, 12 fused multiply/add), + * 20 stack variables, and 14 memory accesses + */ +/* + * Generator Id's : + * $Id: r2hc_7.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: r2hc_7.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: r2hc_7.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + */ + +#include "r2hc.h" + +static void r2hc_7(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs) +{ + DK(KP222520933, +0.222520933956314404288902564496794759466355569); + DK(KP900968867, +0.900968867902419126236102319507445051165919162); + DK(KP623489801, +0.623489801858733530525004884004239810632274731); + DK(KP433883739, +0.433883739117558120475768332848358754609990728); + DK(KP781831482, +0.781831482468029808708444526674057750232334519); + DK(KP974927912, +0.974927912181823607018131682993931217232785801); + int i; + for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) { + E T1, Ta, Tb, T4, Td, T7, Tc, T8, T9; + T1 = I[0]; + T8 = I[WS(is, 1)]; + T9 = I[WS(is, 6)]; + Ta = T8 + T9; + Tb = T9 - T8; + { + E T2, T3, T5, T6; + T2 = I[WS(is, 2)]; + T3 = I[WS(is, 5)]; + T4 = T2 + T3; + Td = T3 - T2; + T5 = I[WS(is, 3)]; + T6 = I[WS(is, 4)]; + T7 = T5 + T6; + Tc = T6 - T5; + } + io[WS(ios, 2)] = FNMS(KP781831482, Tc, KP974927912 * Tb) - (KP433883739 * Td); + io[WS(ios, 1)] = FMA(KP781831482, Tb, KP974927912 * Td) + (KP433883739 * Tc); + ro[WS(ros, 2)] = FMA(KP623489801, T7, T1) + FNMA(KP900968867, T4, KP222520933 * Ta); + io[WS(ios, 3)] = FMA(KP433883739, Tb, KP974927912 * Tc) - (KP781831482 * Td); + ro[WS(ros, 3)] = FMA(KP623489801, T4, T1) + FNMA(KP222520933, T7, KP900968867 * Ta); + ro[WS(ros, 1)] = FMA(KP623489801, Ta, T1) + FNMA(KP900968867, T7, KP222520933 * T4); + ro[0] = T1 + Ta + T4 + T7; + } +} + +static const kr2hc_desc desc = { 7, "r2hc_7", {12, 6, 12, 0}, &GENUS, 0, 0, 0, 0, 0 }; + +void X(codelet_r2hc_7) (planner *p) { + X(kr2hc_register) (p, r2hc_7, &desc); +} |