diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/hc2r/hc2rIII_16.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/hc2r/hc2rIII_16.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/hc2r/hc2rIII_16.c b/src/fftw3/rdft/codelets/hc2r/hc2rIII_16.c new file mode 100644 index 0000000..a81a4a1 --- /dev/null +++ b/src/fftw3/rdft/codelets/hc2r/hc2rIII_16.c @@ -0,0 +1,173 @@ +/* + * 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 22:12:13 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2r -compact -variables 4 -sign 1 -n 16 -name hc2rIII_16 -dft-III -include hc2rIII.h */ + +/* + * This function contains 66 FP additions, 32 FP multiplications, + * (or, 54 additions, 20 multiplications, 12 fused multiply/add), + * 40 stack variables, and 32 memory accesses + */ +/* + * Generator Id's : + * $Id: hc2rIII_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hc2rIII_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hc2rIII_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + */ + +#include "hc2rIII.h" + +static void hc2rIII_16(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs) +{ + DK(KP1_961570560, +1.961570560806460898252364472268478073947867462); + DK(KP390180644, +0.390180644032256535696569736954044481855383236); + DK(KP1_111140466, +1.111140466039204449485661627897065748749874382); + DK(KP1_662939224, +1.662939224605090474157576755235811513477121624); + DK(KP707106781, +0.707106781186547524400844362104849039284835938); + DK(KP1_414213562, +1.414213562373095048801688724209698078569671875); + DK(KP765366864, +0.765366864730179543456919968060797733522689125); + DK(KP1_847759065, +1.847759065022573512256366378793576573644833252); + DK(KP2_000000000, +2.000000000000000000000000000000000000000000000); + int i; + for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, O = O + ovs) { + E T7, TW, T13, Tj, TD, TK, TP, TH, Te, TX, T12, To, Tt, Tx, TS; + E Tw, TT, TY; + { + E T3, Tf, TC, TV, T6, Tz, Ti, TU; + { + E T1, T2, TA, TB; + T1 = ri[0]; + T2 = ri[WS(ris, 7)]; + T3 = T1 + T2; + Tf = T1 - T2; + TA = ii[0]; + TB = ii[WS(iis, 7)]; + TC = TA + TB; + TV = TB - TA; + } + { + E T4, T5, Tg, Th; + T4 = ri[WS(ris, 4)]; + T5 = ri[WS(ris, 3)]; + T6 = T4 + T5; + Tz = T4 - T5; + Tg = ii[WS(iis, 4)]; + Th = ii[WS(iis, 3)]; + Ti = Tg + Th; + TU = Tg - Th; + } + T7 = T3 + T6; + TW = TU + TV; + T13 = TV - TU; + Tj = Tf - Ti; + TD = Tz + TC; + TK = Tz - TC; + TP = T3 - T6; + TH = Tf + Ti; + } + { + E Ta, Tk, Tn, TR, Td, Tp, Ts, TQ; + { + E T8, T9, Tl, Tm; + T8 = ri[WS(ris, 2)]; + T9 = ri[WS(ris, 5)]; + Ta = T8 + T9; + Tk = T8 - T9; + Tl = ii[WS(iis, 2)]; + Tm = ii[WS(iis, 5)]; + Tn = Tl + Tm; + TR = Tl - Tm; + } + { + E Tb, Tc, Tq, Tr; + Tb = ri[WS(ris, 1)]; + Tc = ri[WS(ris, 6)]; + Td = Tb + Tc; + Tp = Tb - Tc; + Tq = ii[WS(iis, 1)]; + Tr = ii[WS(iis, 6)]; + Ts = Tq + Tr; + TQ = Tr - Tq; + } + Te = Ta + Td; + TX = Ta - Td; + T12 = TR + TQ; + To = Tk - Tn; + Tt = Tp - Ts; + Tx = Tp + Ts; + TS = TQ - TR; + Tw = Tk + Tn; + } + O[0] = KP2_000000000 * (T7 + Te); + O[WS(os, 8)] = KP2_000000000 * (T13 - T12); + TT = TP + TS; + TY = TW - TX; + O[WS(os, 2)] = FMA(KP1_847759065, TT, KP765366864 * TY); + O[WS(os, 10)] = FNMS(KP765366864, TT, KP1_847759065 * TY); + { + E T11, T14, TZ, T10; + T11 = T7 - Te; + T14 = T12 + T13; + O[WS(os, 4)] = KP1_414213562 * (T11 + T14); + O[WS(os, 12)] = KP1_414213562 * (T14 - T11); + TZ = TP - TS; + T10 = TX + TW; + O[WS(os, 6)] = FMA(KP765366864, TZ, KP1_847759065 * T10); + O[WS(os, 14)] = FNMS(KP1_847759065, TZ, KP765366864 * T10); + } + { + E TJ, TN, TM, TO, TI, TL; + TI = KP707106781 * (Tw + Tx); + TJ = TH - TI; + TN = TH + TI; + TL = KP707106781 * (To - Tt); + TM = TK - TL; + TO = TL + TK; + O[WS(os, 3)] = FMA(KP1_662939224, TJ, KP1_111140466 * TM); + O[WS(os, 15)] = FNMS(KP1_961570560, TN, KP390180644 * TO); + O[WS(os, 11)] = FNMS(KP1_111140466, TJ, KP1_662939224 * TM); + O[WS(os, 7)] = FMA(KP390180644, TN, KP1_961570560 * TO); + } + { + E Tv, TF, TE, TG, Tu, Ty; + Tu = KP707106781 * (To + Tt); + Tv = Tj + Tu; + TF = Tj - Tu; + Ty = KP707106781 * (Tw - Tx); + TE = Ty + TD; + TG = Ty - TD; + O[WS(os, 1)] = FNMS(KP390180644, TE, KP1_961570560 * Tv); + O[WS(os, 13)] = FNMS(KP1_662939224, TF, KP1_111140466 * TG); + O[WS(os, 9)] = -(FMA(KP390180644, Tv, KP1_961570560 * TE)); + O[WS(os, 5)] = FMA(KP1_111140466, TF, KP1_662939224 * TG); + } + } +} + +static const khc2r_desc desc = { 16, "hc2rIII_16", {54, 20, 12, 0}, &GENUS, 0, 0, 0, 0, 0 }; + +void X(codelet_hc2rIII_16) (planner *p) { + X(khc2rIII_register) (p, hc2rIII_16, &desc); +} |