diff options
Diffstat (limited to 'src/fftw3/dft/codelets/standard/t1_7.c')
| -rw-r--r-- | src/fftw3/dft/codelets/standard/t1_7.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/src/fftw3/dft/codelets/standard/t1_7.c b/src/fftw3/dft/codelets/standard/t1_7.c new file mode 100644 index 0000000..d52c5eb --- /dev/null +++ b/src/fftw3/dft/codelets/standard/t1_7.c @@ -0,0 +1,178 @@ +/* + * 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 21:29:56 EDT 2003 */ + +#include "codelet-dft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_twiddle -compact -variables 4 -n 7 -name t1_7 -include t.h */ + +/* + * This function contains 72 FP additions, 60 FP multiplications, + * (or, 36 additions, 24 multiplications, 36 fused multiply/add), + * 29 stack variables, and 28 memory accesses + */ +/* + * Generator Id's : + * $Id: t1_7.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + * $Id: t1_7.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + * $Id: t1_7.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + */ + +#include "t.h" + +static const R *t1_7(R *ri, R *ii, const R *W, stride ios, int m, int dist) +{ + 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 = m; i > 0; i = i - 1, ri = ri + dist, ii = ii + dist, W = W + 12) { + E T1, TR, Tc, TS, TC, TO, Tn, TT, TI, TP, Ty, TU, TF, TQ; + T1 = ri[0]; + TR = ii[0]; + { + E T6, TA, Tb, TB; + { + E T3, T5, T2, T4; + T3 = ri[WS(ios, 1)]; + T5 = ii[WS(ios, 1)]; + T2 = W[0]; + T4 = W[1]; + T6 = FMA(T2, T3, T4 * T5); + TA = FNMS(T4, T3, T2 * T5); + } + { + E T8, Ta, T7, T9; + T8 = ri[WS(ios, 6)]; + Ta = ii[WS(ios, 6)]; + T7 = W[10]; + T9 = W[11]; + Tb = FMA(T7, T8, T9 * Ta); + TB = FNMS(T9, T8, T7 * Ta); + } + Tc = T6 + Tb; + TS = Tb - T6; + TC = TA - TB; + TO = TA + TB; + } + { + E Th, TG, Tm, TH; + { + E Te, Tg, Td, Tf; + Te = ri[WS(ios, 2)]; + Tg = ii[WS(ios, 2)]; + Td = W[2]; + Tf = W[3]; + Th = FMA(Td, Te, Tf * Tg); + TG = FNMS(Tf, Te, Td * Tg); + } + { + E Tj, Tl, Ti, Tk; + Tj = ri[WS(ios, 5)]; + Tl = ii[WS(ios, 5)]; + Ti = W[8]; + Tk = W[9]; + Tm = FMA(Ti, Tj, Tk * Tl); + TH = FNMS(Tk, Tj, Ti * Tl); + } + Tn = Th + Tm; + TT = Tm - Th; + TI = TG - TH; + TP = TG + TH; + } + { + E Ts, TD, Tx, TE; + { + E Tp, Tr, To, Tq; + Tp = ri[WS(ios, 3)]; + Tr = ii[WS(ios, 3)]; + To = W[4]; + Tq = W[5]; + Ts = FMA(To, Tp, Tq * Tr); + TD = FNMS(Tq, Tp, To * Tr); + } + { + E Tu, Tw, Tt, Tv; + Tu = ri[WS(ios, 4)]; + Tw = ii[WS(ios, 4)]; + Tt = W[6]; + Tv = W[7]; + Tx = FMA(Tt, Tu, Tv * Tw); + TE = FNMS(Tv, Tu, Tt * Tw); + } + Ty = Ts + Tx; + TU = Tx - Ts; + TF = TD - TE; + TQ = TD + TE; + } + ri[0] = T1 + Tc + Tn + Ty; + ii[0] = TO + TP + TQ + TR; + { + E TJ, Tz, TX, TY; + TJ = FNMS(KP781831482, TF, KP974927912 * TC) - (KP433883739 * TI); + Tz = FMA(KP623489801, Ty, T1) + FNMA(KP900968867, Tn, KP222520933 * Tc); + ri[WS(ios, 5)] = Tz - TJ; + ri[WS(ios, 2)] = Tz + TJ; + TX = FNMS(KP781831482, TU, KP974927912 * TS) - (KP433883739 * TT); + TY = FMA(KP623489801, TQ, TR) + FNMA(KP900968867, TP, KP222520933 * TO); + ii[WS(ios, 2)] = TX + TY; + ii[WS(ios, 5)] = TY - TX; + } + { + E TL, TK, TV, TW; + TL = FMA(KP781831482, TC, KP974927912 * TI) + (KP433883739 * TF); + TK = FMA(KP623489801, Tc, T1) + FNMA(KP900968867, Ty, KP222520933 * Tn); + ri[WS(ios, 6)] = TK - TL; + ri[WS(ios, 1)] = TK + TL; + TV = FMA(KP781831482, TS, KP974927912 * TT) + (KP433883739 * TU); + TW = FMA(KP623489801, TO, TR) + FNMA(KP900968867, TQ, KP222520933 * TP); + ii[WS(ios, 1)] = TV + TW; + ii[WS(ios, 6)] = TW - TV; + } + { + E TN, TM, TZ, T10; + TN = FMA(KP433883739, TC, KP974927912 * TF) - (KP781831482 * TI); + TM = FMA(KP623489801, Tn, T1) + FNMA(KP222520933, Ty, KP900968867 * Tc); + ri[WS(ios, 4)] = TM - TN; + ri[WS(ios, 3)] = TM + TN; + TZ = FMA(KP433883739, TS, KP974927912 * TU) - (KP781831482 * TT); + T10 = FMA(KP623489801, TP, TR) + FNMA(KP222520933, TQ, KP900968867 * TO); + ii[WS(ios, 3)] = TZ + T10; + ii[WS(ios, 4)] = T10 - TZ; + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_FULL, 0, 7}, + {TW_NEXT, 1, 0} +}; + +static const ct_desc desc = { 7, "t1_7", twinstr, {36, 24, 36, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_t1_7) (planner *p) { + X(kdft_dit_register) (p, t1_7, &desc); +} |