diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/hc2r/hc2r_5.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/hc2r/hc2r_5.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/hc2r/hc2r_5.c b/src/fftw3/rdft/codelets/hc2r/hc2r_5.c new file mode 100644 index 0000000..fd1c09d --- /dev/null +++ b/src/fftw3/rdft/codelets/hc2r/hc2r_5.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 22:11:11 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2r -compact -variables 4 -sign 1 -n 5 -name hc2r_5 -include hc2r.h */ + +/* + * This function contains 12 FP additions, 7 FP multiplications, + * (or, 8 additions, 3 multiplications, 4 fused multiply/add), + * 18 stack variables, and 10 memory accesses + */ +/* + * Generator Id's : + * $Id: hc2r_5.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hc2r_5.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hc2r_5.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + */ + +#include "hc2r.h" + +static void hc2r_5(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_118033988, +1.118033988749894848204586834365638117720309180); + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + DK(KP1_902113032, +1.902113032590307144232878666758764286811397268); + DK(KP1_175570504, +1.175570504584946258337411909278145537195304875); + int i; + for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, O = O + ovs) { + E Ta, Tc, T1, T4, T5, T6, Tb, T7; + { + E T8, T9, T2, T3; + T8 = ii[WS(iis, 1)]; + T9 = ii[WS(iis, 2)]; + Ta = FNMS(KP1_902113032, T9, KP1_175570504 * T8); + Tc = FMA(KP1_902113032, T8, KP1_175570504 * T9); + T1 = ri[0]; + T2 = ri[WS(ris, 1)]; + T3 = ri[WS(ris, 2)]; + T4 = T2 + T3; + T5 = FNMS(KP500000000, T4, T1); + T6 = KP1_118033988 * (T2 - T3); + } + O[0] = FMA(KP2_000000000, T4, T1); + Tb = T6 + T5; + O[WS(os, 1)] = Tb - Tc; + O[WS(os, 4)] = Tb + Tc; + T7 = T5 - T6; + O[WS(os, 2)] = T7 - Ta; + O[WS(os, 3)] = T7 + Ta; + } +} + +static const khc2r_desc desc = { 5, "hc2r_5", {8, 3, 4, 0}, &GENUS, 0, 0, 0, 0, 0 }; + +void X(codelet_hc2r_5) (planner *p) { + X(khc2r_register) (p, hc2r_5, &desc); +} |