diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/hc2r/hb_6.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/hc2r/hb_6.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/hc2r/hb_6.c b/src/fftw3/rdft/codelets/hc2r/hb_6.c new file mode 100644 index 0000000..1a24696 --- /dev/null +++ b/src/fftw3/rdft/codelets/hc2r/hb_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 22:11:25 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -sign 1 -n 6 -dif -name hb_6 -include hb.h */ + +/* + * This function contains 46 FP additions, 28 FP multiplications, + * (or, 32 additions, 14 multiplications, 14 fused multiply/add), + * 25 stack variables, and 24 memory accesses + */ +/* + * Generator Id's : + * $Id: hb_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hb_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hb_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + */ + +#include "hb.h" + +static const R *hb_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 T3, Ty, Tp, TE, Ta, TO, Tm, TB, Tj, TL, Tq, TH; + { + E T1, T2, Tn, To; + T1 = rio[0]; + T2 = iio[-WS(ios, 3)]; + T3 = T1 + T2; + Ty = T1 - T2; + Tn = iio[0]; + To = rio[WS(ios, 3)]; + Tp = Tn - To; + TE = Tn + To; + } + { + E T6, Tz, T9, TA; + { + E T4, T5, T7, T8; + T4 = rio[WS(ios, 2)]; + T5 = iio[-WS(ios, 5)]; + T6 = T4 + T5; + Tz = T4 - T5; + T7 = iio[-WS(ios, 4)]; + T8 = rio[WS(ios, 1)]; + T9 = T7 + T8; + TA = T7 - T8; + } + Ta = T6 + T9; + TO = KP866025403 * (Tz - TA); + Tm = KP866025403 * (T6 - T9); + TB = Tz + TA; + } + { + E Tf, TF, Ti, TG; + { + E Td, Te, Tg, Th; + Td = iio[-WS(ios, 1)]; + Te = rio[WS(ios, 4)]; + Tf = Td - Te; + TF = Te + Td; + Tg = iio[-WS(ios, 2)]; + Th = rio[WS(ios, 5)]; + Ti = Tg - Th; + TG = Tg + Th; + } + Tj = KP866025403 * (Tf - Ti); + TL = KP866025403 * (TF + TG); + Tq = Tf + Ti; + TH = TF - TG; + } + rio[0] = T3 + Ta; + iio[-WS(ios, 5)] = Tp + Tq; + { + E TC, TI, Tx, TD; + TC = Ty + TB; + TI = TE - TH; + Tx = W[4]; + TD = W[5]; + rio[WS(ios, 3)] = FNMS(TD, TI, Tx * TC); + iio[-WS(ios, 2)] = FMA(TD, TC, Tx * TI); + } + { + E Tk, Tu, Ts, Tw, Tc, Tr; + Tc = FNMS(KP500000000, Ta, T3); + Tk = Tc + Tj; + Tu = Tc - Tj; + Tr = FNMS(KP500000000, Tq, Tp); + Ts = Tm + Tr; + Tw = Tr - Tm; + { + E Tb, Tl, Tt, Tv; + Tb = W[6]; + Tl = W[7]; + rio[WS(ios, 4)] = FNMS(Tl, Ts, Tb * Tk); + iio[-WS(ios, 1)] = FMA(Tl, Tk, Tb * Ts); + Tt = W[2]; + Tv = W[3]; + rio[WS(ios, 2)] = FNMS(Tv, Tw, Tt * Tu); + iio[-WS(ios, 3)] = FMA(Tv, Tu, Tt * Tw); + } + } + { + E TM, TU, TQ, TS, TK, TP; + TK = FNMS(KP500000000, TB, Ty); + TM = TK - TL; + TU = TK + TL; + TP = FMA(KP500000000, TH, TE); + TQ = TO + TP; + TS = TP - TO; + { + E TJ, TN, TR, TT; + TJ = W[0]; + TN = W[1]; + rio[WS(ios, 1)] = FNMS(TN, TQ, TJ * TM); + iio[-WS(ios, 4)] = FMA(TJ, TQ, TN * TM); + TR = W[8]; + TT = W[9]; + iio[0] = FMA(TR, TS, TT * TU); + rio[WS(ios, 5)] = FNMS(TT, TS, TR * TU); + } + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_FULL, 0, 6}, + {TW_NEXT, 1, 0} +}; + +static const hc2hc_desc desc = { 6, "hb_6", twinstr, {32, 14, 14, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_hb_6) (planner *p) { + X(khc2hc_dif_register) (p, hb_6, &desc); +} |