diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/hf_6.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/r2hc/hf_6.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/hf_6.c b/src/fftw3/rdft/codelets/r2hc/hf_6.c new file mode 100644 index 0000000..e4c9f8d --- /dev/null +++ b/src/fftw3/rdft/codelets/r2hc/hf_6.c @@ -0,0 +1,160 @@ +/* + * 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 21:56:54 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -n 6 -dit -name hf_6 -include hf.h */ + +/* + * This function contains 46 FP additions, 28 FP multiplications, + * (or, 32 additions, 14 multiplications, 14 fused multiply/add), + * 23 stack variables, and 24 memory accesses + */ +/* + * Generator Id's : + * $Id: hf_6.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: hf_6.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: hf_6.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + */ + +#include "hf.h" + +static const R *hf_6(R *rio, R *iio, const R *W, stride ios, int m, int dist) +{ + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + int i; + for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 10) { + E T7, TS, Tv, TO, Ti, TI, Tw, TC, Tt, TJ, Tx, TF; + { + E T1, TN, T6, TM; + T1 = rio[0]; + TN = iio[-WS(ios, 5)]; + { + E T3, T5, T2, T4; + T3 = rio[WS(ios, 3)]; + T5 = iio[-WS(ios, 2)]; + T2 = W[4]; + T4 = W[5]; + T6 = FMA(T2, T3, T4 * T5); + TM = FNMS(T4, T3, T2 * T5); + } + T7 = T1 - T6; + TS = TN - TM; + Tv = T1 + T6; + TO = TM + TN; + } + { + E Tc, TA, Th, TB; + { + E T9, Tb, T8, Ta; + T9 = rio[WS(ios, 2)]; + Tb = iio[-WS(ios, 3)]; + T8 = W[2]; + Ta = W[3]; + Tc = FMA(T8, T9, Ta * Tb); + TA = FNMS(Ta, T9, T8 * Tb); + } + { + E Te, Tg, Td, Tf; + Te = rio[WS(ios, 5)]; + Tg = iio[0]; + Td = W[8]; + Tf = W[9]; + Th = FMA(Td, Te, Tf * Tg); + TB = FNMS(Tf, Te, Td * Tg); + } + Ti = Tc - Th; + TI = TA - TB; + Tw = Tc + Th; + TC = TA + TB; + } + { + E Tn, TD, Ts, TE; + { + E Tk, Tm, Tj, Tl; + Tk = rio[WS(ios, 4)]; + Tm = iio[-WS(ios, 1)]; + Tj = W[6]; + Tl = W[7]; + Tn = FMA(Tj, Tk, Tl * Tm); + TD = FNMS(Tl, Tk, Tj * Tm); + } + { + E Tp, Tr, To, Tq; + Tp = rio[WS(ios, 1)]; + Tr = iio[-WS(ios, 4)]; + To = W[0]; + Tq = W[1]; + Ts = FMA(To, Tp, Tq * Tr); + TE = FNMS(Tq, Tp, To * Tr); + } + Tt = Tn - Ts; + TJ = TE - TD; + Tx = Tn + Ts; + TF = TD + TE; + } + { + E TK, Tu, TH, TT, TR, TU; + TK = KP866025403 * (TI + TJ); + Tu = Ti + Tt; + TH = FNMS(KP500000000, Tu, T7); + iio[-WS(ios, 3)] = T7 + Tu; + rio[WS(ios, 1)] = TH + TK; + iio[-WS(ios, 5)] = TH - TK; + TT = KP866025403 * (Tt - Ti); + TR = TJ - TI; + TU = FMA(KP500000000, TR, TS); + rio[WS(ios, 3)] = TR - TS; + iio[-WS(ios, 1)] = TT + TU; + rio[WS(ios, 5)] = TT - TU; + } + { + E TG, Ty, Tz, TP, TL, TQ; + TG = KP866025403 * (TC - TF); + Ty = Tw + Tx; + Tz = FNMS(KP500000000, Ty, Tv); + rio[0] = Tv + Ty; + iio[-WS(ios, 4)] = Tz + TG; + rio[WS(ios, 2)] = Tz - TG; + TP = KP866025403 * (Tw - Tx); + TL = TC + TF; + TQ = FNMS(KP500000000, TL, TO); + iio[0] = TL + TO; + iio[-WS(ios, 2)] = TP + TQ; + rio[WS(ios, 4)] = TP - TQ; + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_FULL, 0, 6}, + {TW_NEXT, 1, 0} +}; + +static const hc2hc_desc desc = { 6, "hf_6", twinstr, {32, 14, 14, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_hf_6) (planner *p) { + X(khc2hc_dit_register) (p, hf_6, &desc); +} |