diff options
Diffstat (limited to 'src/fftw3/dft/codelets/standard/n1_9.c')
| -rw-r--r-- | src/fftw3/dft/codelets/standard/n1_9.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/fftw3/dft/codelets/standard/n1_9.c b/src/fftw3/dft/codelets/standard/n1_9.c new file mode 100644 index 0000000..07308dc --- /dev/null +++ b/src/fftw3/dft/codelets/standard/n1_9.c @@ -0,0 +1,193 @@ +/* + * 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 9 -name n1_9 -include n.h */ + +/* + * This function contains 80 FP additions, 40 FP multiplications, + * (or, 60 additions, 20 multiplications, 20 fused multiply/add), + * 39 stack variables, and 36 memory accesses + */ +/* + * Generator Id's : + * $Id: n1_9.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + * $Id: n1_9.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + * $Id: n1_9.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + */ + +#include "n.h" + +static void n1_9(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, int v, int ivs, int ovs) +{ + DK(KP939692620, +0.939692620785908384054109277324731469936208134); + DK(KP342020143, +0.342020143325668733044099614682259580763083368); + DK(KP984807753, +0.984807753012208059366743024589523013670643252); + DK(KP173648177, +0.173648177666930348851716626769314796000375677); + DK(KP642787609, +0.642787609686539326322643409907263432907559884); + DK(KP766044443, +0.766044443118978035202392650555416673935832457); + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + int i; + for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs) { + E T5, TO, Th, Tk, T1g, TR, Ta, T1c, Tq, TW, Tv, TX, Tf, T1d, TB; + E T10, TG, TZ; + { + E T1, T2, T3, T4; + T1 = ri[0]; + T2 = ri[WS(is, 3)]; + T3 = ri[WS(is, 6)]; + T4 = T2 + T3; + T5 = T1 + T4; + TO = KP866025403 * (T3 - T2); + Th = FNMS(KP500000000, T4, T1); + } + { + E TP, Ti, Tj, TQ; + TP = ii[0]; + Ti = ii[WS(is, 3)]; + Tj = ii[WS(is, 6)]; + TQ = Ti + Tj; + Tk = KP866025403 * (Ti - Tj); + T1g = TP + TQ; + TR = FNMS(KP500000000, TQ, TP); + } + { + E T6, Ts, T9, Tr, Tp, Tt, Tm, Tu; + T6 = ri[WS(is, 1)]; + Ts = ii[WS(is, 1)]; + { + E T7, T8, Tn, To; + T7 = ri[WS(is, 4)]; + T8 = ri[WS(is, 7)]; + T9 = T7 + T8; + Tr = KP866025403 * (T8 - T7); + Tn = ii[WS(is, 4)]; + To = ii[WS(is, 7)]; + Tp = KP866025403 * (Tn - To); + Tt = Tn + To; + } + Ta = T6 + T9; + T1c = Ts + Tt; + Tm = FNMS(KP500000000, T9, T6); + Tq = Tm + Tp; + TW = Tm - Tp; + Tu = FNMS(KP500000000, Tt, Ts); + Tv = Tr + Tu; + TX = Tu - Tr; + } + { + E Tb, TD, Te, TC, TA, TE, Tx, TF; + Tb = ri[WS(is, 2)]; + TD = ii[WS(is, 2)]; + { + E Tc, Td, Ty, Tz; + Tc = ri[WS(is, 5)]; + Td = ri[WS(is, 8)]; + Te = Tc + Td; + TC = KP866025403 * (Td - Tc); + Ty = ii[WS(is, 5)]; + Tz = ii[WS(is, 8)]; + TA = KP866025403 * (Ty - Tz); + TE = Ty + Tz; + } + Tf = Tb + Te; + T1d = TD + TE; + Tx = FNMS(KP500000000, Te, Tb); + TB = Tx + TA; + T10 = Tx - TA; + TF = FNMS(KP500000000, TE, TD); + TG = TC + TF; + TZ = TF - TC; + } + { + E T1e, Tg, T1b, T1f, T1h, T1i; + T1e = KP866025403 * (T1c - T1d); + Tg = Ta + Tf; + T1b = FNMS(KP500000000, Tg, T5); + ro[0] = T5 + Tg; + ro[WS(os, 3)] = T1b + T1e; + ro[WS(os, 6)] = T1b - T1e; + T1f = KP866025403 * (Tf - Ta); + T1h = T1c + T1d; + T1i = FNMS(KP500000000, T1h, T1g); + io[WS(os, 3)] = T1f + T1i; + io[0] = T1g + T1h; + io[WS(os, 6)] = T1i - T1f; + } + { + E Tl, TS, TI, TN, TM, TT, TJ, TU; + Tl = Th + Tk; + TS = TO + TR; + { + E Tw, TH, TK, TL; + Tw = FMA(KP766044443, Tq, KP642787609 * Tv); + TH = FMA(KP173648177, TB, KP984807753 * TG); + TI = Tw + TH; + TN = KP866025403 * (TH - Tw); + TK = FNMS(KP642787609, Tq, KP766044443 * Tv); + TL = FNMS(KP984807753, TB, KP173648177 * TG); + TM = KP866025403 * (TK - TL); + TT = TK + TL; + } + ro[WS(os, 1)] = Tl + TI; + io[WS(os, 1)] = TS + TT; + TJ = FNMS(KP500000000, TI, Tl); + ro[WS(os, 7)] = TJ - TM; + ro[WS(os, 4)] = TJ + TM; + TU = FNMS(KP500000000, TT, TS); + io[WS(os, 4)] = TN + TU; + io[WS(os, 7)] = TU - TN; + } + { + E TV, T14, T12, T13, T17, T1a, T18, T19; + TV = Th - Tk; + T14 = TR - TO; + { + E TY, T11, T15, T16; + TY = FMA(KP173648177, TW, KP984807753 * TX); + T11 = FNMS(KP939692620, T10, KP342020143 * TZ); + T12 = TY + T11; + T13 = KP866025403 * (T11 - TY); + T15 = FNMS(KP984807753, TW, KP173648177 * TX); + T16 = FMA(KP342020143, T10, KP939692620 * TZ); + T17 = T15 - T16; + T1a = KP866025403 * (T15 + T16); + } + ro[WS(os, 2)] = TV + T12; + io[WS(os, 2)] = T14 + T17; + T18 = FNMS(KP500000000, T17, T14); + io[WS(os, 5)] = T13 + T18; + io[WS(os, 8)] = T18 - T13; + T19 = FNMS(KP500000000, T12, TV); + ro[WS(os, 8)] = T19 - T1a; + ro[WS(os, 5)] = T19 + T1a; + } + } +} + +static const kdft_desc desc = { 9, "n1_9", {60, 20, 20, 0}, &GENUS, 0, 0, 0, 0 }; +void X(codelet_n1_9) (planner *p) { + X(kdft_register) (p, n1_9, &desc); +} |