diff options
Diffstat (limited to 'src/fftw3/dft/codelets/inplace/q1_3.c')
| -rw-r--r-- | src/fftw3/dft/codelets/inplace/q1_3.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/fftw3/dft/codelets/inplace/q1_3.c b/src/fftw3/dft/codelets/inplace/q1_3.c new file mode 100644 index 0000000..a05996f --- /dev/null +++ b/src/fftw3/dft/codelets/inplace/q1_3.c @@ -0,0 +1,168 @@ +/* + * 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 21:39:14 EDT 2003 */ + +#include "codelet-dft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_twidsq -compact -variables 4 -reload-twiddle -dif -n 3 -name q1_3 -include q.h */ + +/* + * This function contains 48 FP additions, 36 FP multiplications, + * (or, 30 additions, 18 multiplications, 18 fused multiply/add), + * 35 stack variables, and 36 memory accesses + */ +/* + * Generator Id's : + * $Id: q1_3.c,v 1.1 2008/10/17 06:11:08 scuri Exp $ + * $Id: q1_3.c,v 1.1 2008/10/17 06:11:08 scuri Exp $ + * $Id: q1_3.c,v 1.1 2008/10/17 06:11:08 scuri Exp $ + */ + +#include "q.h" + +static const R *q1_3(R *rio, R *iio, const R *W, stride is, stride vs, int m, int dist) +{ + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + int i; + for (i = m; i > 0; i = i - 1, rio = rio + dist, iio = iio + dist, W = W + 4) { + E T1, T4, T6, Tc, Td, Te, T9, Tf, Tl, To, Tq, Tw, Tx, Ty, Tt; + E Tz, TR, TS, TN, TT, TF, TI, TK, TQ; + { + E T2, T3, Tr, Ts; + T1 = rio[0]; + T2 = rio[WS(is, 1)]; + T3 = rio[WS(is, 2)]; + T4 = T2 + T3; + T6 = FNMS(KP500000000, T4, T1); + Tc = KP866025403 * (T3 - T2); + { + E T7, T8, Tm, Tn; + Td = iio[0]; + T7 = iio[WS(is, 1)]; + T8 = iio[WS(is, 2)]; + Te = T7 + T8; + T9 = KP866025403 * (T7 - T8); + Tf = FNMS(KP500000000, Te, Td); + Tl = rio[WS(vs, 1)]; + Tm = rio[WS(vs, 1) + WS(is, 1)]; + Tn = rio[WS(vs, 1) + WS(is, 2)]; + To = Tm + Tn; + Tq = FNMS(KP500000000, To, Tl); + Tw = KP866025403 * (Tn - Tm); + } + Tx = iio[WS(vs, 1)]; + Tr = iio[WS(vs, 1) + WS(is, 1)]; + Ts = iio[WS(vs, 1) + WS(is, 2)]; + Ty = Tr + Ts; + Tt = KP866025403 * (Tr - Ts); + Tz = FNMS(KP500000000, Ty, Tx); + { + E TL, TM, TG, TH; + TR = iio[WS(vs, 2)]; + TL = iio[WS(vs, 2) + WS(is, 1)]; + TM = iio[WS(vs, 2) + WS(is, 2)]; + TS = TL + TM; + TN = KP866025403 * (TL - TM); + TT = FNMS(KP500000000, TS, TR); + TF = rio[WS(vs, 2)]; + TG = rio[WS(vs, 2) + WS(is, 1)]; + TH = rio[WS(vs, 2) + WS(is, 2)]; + TI = TG + TH; + TK = FNMS(KP500000000, TI, TF); + TQ = KP866025403 * (TH - TG); + } + } + rio[0] = T1 + T4; + iio[0] = Td + Te; + rio[WS(is, 1)] = Tl + To; + iio[WS(is, 1)] = Tx + Ty; + iio[WS(is, 2)] = TR + TS; + rio[WS(is, 2)] = TF + TI; + { + E Ta, Tg, T5, Tb; + Ta = T6 + T9; + Tg = Tc + Tf; + T5 = W[0]; + Tb = W[1]; + rio[WS(vs, 1)] = FMA(T5, Ta, Tb * Tg); + iio[WS(vs, 1)] = FNMS(Tb, Ta, T5 * Tg); + } + { + E TW, TY, TV, TX; + TW = TK - TN; + TY = TT - TQ; + TV = W[2]; + TX = W[3]; + rio[WS(vs, 2) + WS(is, 2)] = FMA(TV, TW, TX * TY); + iio[WS(vs, 2) + WS(is, 2)] = FNMS(TX, TW, TV * TY); + } + { + E TC, TE, TB, TD; + TC = Tq - Tt; + TE = Tz - Tw; + TB = W[2]; + TD = W[3]; + rio[WS(vs, 2) + WS(is, 1)] = FMA(TB, TC, TD * TE); + iio[WS(vs, 2) + WS(is, 1)] = FNMS(TD, TC, TB * TE); + } + { + E Tu, TA, Tp, Tv; + Tu = Tq + Tt; + TA = Tw + Tz; + Tp = W[0]; + Tv = W[1]; + rio[WS(vs, 1) + WS(is, 1)] = FMA(Tp, Tu, Tv * TA); + iio[WS(vs, 1) + WS(is, 1)] = FNMS(Tv, Tu, Tp * TA); + } + { + E TO, TU, TJ, TP; + TO = TK + TN; + TU = TQ + TT; + TJ = W[0]; + TP = W[1]; + rio[WS(vs, 1) + WS(is, 2)] = FMA(TJ, TO, TP * TU); + iio[WS(vs, 1) + WS(is, 2)] = FNMS(TP, TO, TJ * TU); + } + { + E Ti, Tk, Th, Tj; + Ti = T6 - T9; + Tk = Tf - Tc; + Th = W[2]; + Tj = W[3]; + rio[WS(vs, 2)] = FMA(Th, Ti, Tj * Tk); + iio[WS(vs, 2)] = FNMS(Tj, Ti, Th * Tk); + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_FULL, 0, 3}, + {TW_NEXT, 1, 0} +}; + +static const ct_desc desc = { 3, "q1_3", twinstr, {30, 18, 18, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_q1_3) (planner *p) { + X(kdft_difsq_register) (p, q1_3, &desc); +} |