diff options
Diffstat (limited to 'src/fftw3/dft/codelets/standard/n1_7.c')
| -rw-r--r-- | src/fftw3/dft/codelets/standard/n1_7.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/fftw3/dft/codelets/standard/n1_7.c b/src/fftw3/dft/codelets/standard/n1_7.c new file mode 100644 index 0000000..03c892d --- /dev/null +++ b/src/fftw3/dft/codelets/standard/n1_7.c @@ -0,0 +1,129 @@ +/* + * 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 21:29:32 EDT 2003 */ + +#include "codelet-dft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_notw -compact -variables 4 -n 7 -name n1_7 -include n.h */ + +/* + * This function contains 60 FP additions, 36 FP multiplications, + * (or, 36 additions, 12 multiplications, 24 fused multiply/add), + * 25 stack variables, and 28 memory accesses + */ +/* + * Generator Id's : + * $Id: n1_7.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + * $Id: n1_7.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + * $Id: n1_7.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + */ + +#include "n.h" + +static void n1_7(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, 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, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs) { + E T1, Tu, T4, Tq, Te, Tx, T7, Ts, Tk, Tv, Ta, Tr, Th, Tw; + T1 = ri[0]; + Tu = ii[0]; + { + E T2, T3, Tc, Td; + T2 = ri[WS(is, 1)]; + T3 = ri[WS(is, 6)]; + T4 = T2 + T3; + Tq = T3 - T2; + Tc = ii[WS(is, 1)]; + Td = ii[WS(is, 6)]; + Te = Tc - Td; + Tx = Tc + Td; + } + { + E T5, T6, Ti, Tj; + T5 = ri[WS(is, 2)]; + T6 = ri[WS(is, 5)]; + T7 = T5 + T6; + Ts = T6 - T5; + Ti = ii[WS(is, 2)]; + Tj = ii[WS(is, 5)]; + Tk = Ti - Tj; + Tv = Ti + Tj; + } + { + E T8, T9, Tf, Tg; + T8 = ri[WS(is, 3)]; + T9 = ri[WS(is, 4)]; + Ta = T8 + T9; + Tr = T9 - T8; + Tf = ii[WS(is, 3)]; + Tg = ii[WS(is, 4)]; + Th = Tf - Tg; + Tw = Tf + Tg; + } + ro[0] = T1 + T4 + T7 + Ta; + io[0] = Tu + Tx + Tv + Tw; + { + E Tl, Tb, TB, TC; + Tl = FNMS(KP781831482, Th, KP974927912 * Te) - (KP433883739 * Tk); + Tb = FMA(KP623489801, Ta, T1) + FNMA(KP900968867, T7, KP222520933 * T4); + ro[WS(os, 5)] = Tb - Tl; + ro[WS(os, 2)] = Tb + Tl; + TB = FNMS(KP781831482, Tr, KP974927912 * Tq) - (KP433883739 * Ts); + TC = FMA(KP623489801, Tw, Tu) + FNMA(KP900968867, Tv, KP222520933 * Tx); + io[WS(os, 2)] = TB + TC; + io[WS(os, 5)] = TC - TB; + } + { + E Tn, Tm, Tz, TA; + Tn = FMA(KP781831482, Te, KP974927912 * Tk) + (KP433883739 * Th); + Tm = FMA(KP623489801, T4, T1) + FNMA(KP900968867, Ta, KP222520933 * T7); + ro[WS(os, 6)] = Tm - Tn; + ro[WS(os, 1)] = Tm + Tn; + Tz = FMA(KP781831482, Tq, KP974927912 * Ts) + (KP433883739 * Tr); + TA = FMA(KP623489801, Tx, Tu) + FNMA(KP900968867, Tw, KP222520933 * Tv); + io[WS(os, 1)] = Tz + TA; + io[WS(os, 6)] = TA - Tz; + } + { + E Tp, To, Tt, Ty; + Tp = FMA(KP433883739, Te, KP974927912 * Th) - (KP781831482 * Tk); + To = FMA(KP623489801, T7, T1) + FNMA(KP222520933, Ta, KP900968867 * T4); + ro[WS(os, 4)] = To - Tp; + ro[WS(os, 3)] = To + Tp; + Tt = FMA(KP433883739, Tq, KP974927912 * Tr) - (KP781831482 * Ts); + Ty = FMA(KP623489801, Tv, Tu) + FNMA(KP222520933, Tw, KP900968867 * Tx); + io[WS(os, 3)] = Tt + Ty; + io[WS(os, 4)] = Ty - Tt; + } + } +} + +static const kdft_desc desc = { 7, "n1_7", {36, 12, 24, 0}, &GENUS, 0, 0, 0, 0 }; +void X(codelet_n1_7) (planner *p) { + X(kdft_register) (p, n1_7, &desc); +} |