diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/r2hc_5.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/r2hc/r2hc_5.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/r2hc_5.c b/src/fftw3/rdft/codelets/r2hc/r2hc_5.c new file mode 100644 index 0000000..14f4849 --- /dev/null +++ b/src/fftw3/rdft/codelets/r2hc/r2hc_5.c @@ -0,0 +1,78 @@ +/* + * 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 21:56:40 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 5 -name r2hc_5 -include r2hc.h */ + +/* + * This function contains 12 FP additions, 6 FP multiplications, + * (or, 9 additions, 3 multiplications, 3 fused multiply/add), + * 17 stack variables, and 10 memory accesses + */ +/* + * Generator Id's : + * $Id: r2hc_5.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: r2hc_5.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: r2hc_5.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + */ + +#include "r2hc.h" + +static void r2hc_5(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs) +{ + DK(KP250000000, +0.250000000000000000000000000000000000000000000); + DK(KP559016994, +0.559016994374947424102293417182819058860154590); + DK(KP587785252, +0.587785252292473129168705954639072768597652438); + DK(KP951056516, +0.951056516295153572116439333379382143405698634); + int i; + for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) { + E Ta, T7, T8, T3, Tb, T6, T9, Tc; + Ta = I[0]; + { + E T1, T2, T4, T5; + T1 = I[WS(is, 4)]; + T2 = I[WS(is, 1)]; + T7 = T2 + T1; + T4 = I[WS(is, 2)]; + T5 = I[WS(is, 3)]; + T8 = T4 + T5; + T3 = T1 - T2; + Tb = T7 + T8; + T6 = T4 - T5; + } + io[WS(ios, 1)] = FNMS(KP587785252, T6, KP951056516 * T3); + ro[0] = Ta + Tb; + io[WS(ios, 2)] = FMA(KP587785252, T3, KP951056516 * T6); + T9 = KP559016994 * (T7 - T8); + Tc = FNMS(KP250000000, Tb, Ta); + ro[WS(ros, 1)] = T9 + Tc; + ro[WS(ros, 2)] = Tc - T9; + } +} + +static const kr2hc_desc desc = { 5, "r2hc_5", {9, 3, 3, 0}, &GENUS, 0, 0, 0, 0, 0 }; + +void X(codelet_r2hc_5) (planner *p) { + X(kr2hc_register) (p, r2hc_5, &desc); +} |