diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/r2hc_6.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/r2hc/r2hc_6.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/r2hc_6.c b/src/fftw3/rdft/codelets/r2hc/r2hc_6.c new file mode 100644 index 0000000..5fadce3 --- /dev/null +++ b/src/fftw3/rdft/codelets/r2hc/r2hc_6.c @@ -0,0 +1,79 @@ +/* + * 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 6 -name r2hc_6 -include r2hc.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: r2hc_6.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: r2hc_6.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: r2hc_6.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + */ + +#include "r2hc.h" + +static void r2hc_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 T3, Td, T9, Tc, T6, Tb, T1, T2, Ta, Te; + T1 = I[0]; + T2 = I[WS(is, 3)]; + T3 = T1 - T2; + Td = T1 + T2; + { + E T7, T8, T4, T5; + T7 = I[WS(is, 4)]; + T8 = I[WS(is, 1)]; + T9 = T7 - T8; + Tc = T7 + T8; + T4 = I[WS(is, 2)]; + T5 = I[WS(is, 5)]; + T6 = T4 - T5; + Tb = T4 + T5; + } + io[WS(ios, 1)] = KP866025403 * (T9 - T6); + Ta = T6 + T9; + ro[WS(ros, 1)] = FNMS(KP500000000, Ta, T3); + ro[WS(ros, 3)] = T3 + Ta; + io[WS(ios, 2)] = KP866025403 * (Tb - Tc); + Te = Tb + Tc; + ro[WS(ros, 2)] = FNMS(KP500000000, Te, Td); + ro[0] = Td + Te; + } +} + +static const kr2hc_desc desc = { 6, "r2hc_6", {12, 2, 2, 0}, &GENUS, 0, 0, 0, 0, 0 }; + +void X(codelet_r2hc_6) (planner *p) { + X(kr2hc_register) (p, r2hc_6, &desc); +} |