diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/hc2r/hc2r_16.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/hc2r/hc2r_16.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/hc2r/hc2r_16.c b/src/fftw3/rdft/codelets/hc2r/hc2r_16.c new file mode 100644 index 0000000..60ca018 --- /dev/null +++ b/src/fftw3/rdft/codelets/hc2r/hc2r_16.c @@ -0,0 +1,165 @@ +/* + * 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 22:11:13 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 hc2r_16 -include hc2r.h */ + +/* + * This function contains 58 FP additions, 18 FP multiplications, + * (or, 54 additions, 14 multiplications, 4 fused multiply/add), + * 31 stack variables, and 32 memory accesses + */ +/* + * Generator Id's : + * $Id: hc2r_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hc2r_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hc2r_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + */ + +#include "hc2r.h" + +static void hc2r_16(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs) +{ + DK(KP1_847759065, +1.847759065022573512256366378793576573644833252); + DK(KP765366864, +0.765366864730179543456919968060797733522689125); + DK(KP1_414213562, +1.414213562373095048801688724209698078569671875); + 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 T9, TS, Tl, TG, T6, TR, Ti, TD, Td, Tq, Tg, Tt, Tn, Tu, TV; + E TU, TN, TK; + { + E T7, T8, TE, Tj, Tk, TF; + T7 = ri[WS(ris, 2)]; + T8 = ri[WS(ris, 6)]; + TE = T7 - T8; + Tj = ii[WS(iis, 2)]; + Tk = ii[WS(iis, 6)]; + TF = Tj + Tk; + T9 = KP2_000000000 * (T7 + T8); + TS = KP1_414213562 * (TE + TF); + Tl = KP2_000000000 * (Tj - Tk); + TG = KP1_414213562 * (TE - TF); + } + { + E T5, TC, T3, TA; + { + E T4, TB, T1, T2; + T4 = ri[WS(ris, 4)]; + T5 = KP2_000000000 * T4; + TB = ii[WS(iis, 4)]; + TC = KP2_000000000 * TB; + T1 = ri[0]; + T2 = ri[WS(ris, 8)]; + T3 = T1 + T2; + TA = T1 - T2; + } + T6 = T3 + T5; + TR = TA + TC; + Ti = T3 - T5; + TD = TA - TC; + } + { + E TI, TM, TL, TJ; + { + E Tb, Tc, To, Tp; + Tb = ri[WS(ris, 1)]; + Tc = ri[WS(ris, 7)]; + Td = Tb + Tc; + TI = Tb - Tc; + To = ii[WS(iis, 1)]; + Tp = ii[WS(iis, 7)]; + Tq = To - Tp; + TM = To + Tp; + } + { + E Te, Tf, Tr, Ts; + Te = ri[WS(ris, 5)]; + Tf = ri[WS(ris, 3)]; + Tg = Te + Tf; + TL = Te - Tf; + Tr = ii[WS(iis, 5)]; + Ts = ii[WS(iis, 3)]; + Tt = Tr - Ts; + TJ = Tr + Ts; + } + Tn = Td - Tg; + Tu = Tq - Tt; + TV = TM - TL; + TU = TI + TJ; + TN = TL + TM; + TK = TI - TJ; + } + { + E Ta, Th, TT, TW; + Ta = T6 + T9; + Th = KP2_000000000 * (Td + Tg); + O[WS(os, 8)] = Ta - Th; + O[0] = Ta + Th; + TT = TR - TS; + TW = FNMS(KP1_847759065, TV, KP765366864 * TU); + O[WS(os, 11)] = TT - TW; + O[WS(os, 3)] = TT + TW; + } + { + E TX, TY, Tm, Tv; + TX = TR + TS; + TY = FMA(KP1_847759065, TU, KP765366864 * TV); + O[WS(os, 7)] = TX - TY; + O[WS(os, 15)] = TX + TY; + Tm = Ti - Tl; + Tv = KP1_414213562 * (Tn - Tu); + O[WS(os, 10)] = Tm - Tv; + O[WS(os, 2)] = Tm + Tv; + } + { + E Tw, Tx, TH, TO; + Tw = Ti + Tl; + Tx = KP1_414213562 * (Tn + Tu); + O[WS(os, 6)] = Tw - Tx; + O[WS(os, 14)] = Tw + Tx; + TH = TD + TG; + TO = FNMS(KP765366864, TN, KP1_847759065 * TK); + O[WS(os, 9)] = TH - TO; + O[WS(os, 1)] = TH + TO; + } + { + E TP, TQ, Ty, Tz; + TP = TD - TG; + TQ = FMA(KP765366864, TK, KP1_847759065 * TN); + O[WS(os, 5)] = TP - TQ; + O[WS(os, 13)] = TP + TQ; + Ty = T6 - T9; + Tz = KP2_000000000 * (Tt + Tq); + O[WS(os, 4)] = Ty - Tz; + O[WS(os, 12)] = Ty + Tz; + } + } +} + +static const khc2r_desc desc = { 16, "hc2r_16", {54, 14, 4, 0}, &GENUS, 0, 0, 0, 0, 0 }; + +void X(codelet_hc2r_16) (planner *p) { + X(khc2r_register) (p, hc2r_16, &desc); +} |