diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/hc2r/hb_8.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/hc2r/hb_8.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/hc2r/hb_8.c b/src/fftw3/rdft/codelets/hc2r/hb_8.c new file mode 100644 index 0000000..58cc25e --- /dev/null +++ b/src/fftw3/rdft/codelets/hc2r/hb_8.c @@ -0,0 +1,197 @@ +/* + * 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 22:11:28 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -sign 1 -n 8 -dif -name hb_8 -include hb.h */ + +/* + * This function contains 66 FP additions, 32 FP multiplications, + * (or, 52 additions, 18 multiplications, 14 fused multiply/add), + * 30 stack variables, and 32 memory accesses + */ +/* + * Generator Id's : + * $Id: hb_8.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hb_8.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hb_8.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + */ + +#include "hb.h" + +static const R *hb_8(R *rio, R *iio, const R *W, stride ios, int m, int dist) +{ + DK(KP707106781, +0.707106781186547524400844362104849039284835938); + int i; + for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 14) { + E T7, T18, T1d, Tg, Tx, TT, TY, TG, Te, TZ, T10, Tn, Tq, TM, TP; + E TH; + { + E T3, TR, Tt, TX, T6, TW, Tw, TS; + { + E T1, T2, Tr, Ts; + T1 = rio[0]; + T2 = iio[-WS(ios, 4)]; + T3 = T1 + T2; + TR = T1 - T2; + Tr = iio[0]; + Ts = rio[WS(ios, 4)]; + Tt = Tr - Ts; + TX = Tr + Ts; + } + { + E T4, T5, Tu, Tv; + T4 = rio[WS(ios, 2)]; + T5 = iio[-WS(ios, 6)]; + T6 = T4 + T5; + TW = T4 - T5; + Tu = iio[-WS(ios, 2)]; + Tv = rio[WS(ios, 6)]; + Tw = Tu - Tv; + TS = Tu + Tv; + } + T7 = T3 + T6; + T18 = TX - TW; + T1d = TR + TS; + Tg = T3 - T6; + Tx = Tt - Tw; + TT = TR - TS; + TY = TW + TX; + TG = Tt + Tw; + } + { + E Ta, TO, Tj, TN, Td, TK, Tm, TL; + { + E T8, T9, Th, Ti; + T8 = rio[WS(ios, 1)]; + T9 = iio[-WS(ios, 5)]; + Ta = T8 + T9; + TO = T8 - T9; + Th = iio[-WS(ios, 1)]; + Ti = rio[WS(ios, 5)]; + Tj = Th - Ti; + TN = Th + Ti; + } + { + E Tb, Tc, Tk, Tl; + Tb = iio[-WS(ios, 7)]; + Tc = rio[WS(ios, 3)]; + Td = Tb + Tc; + TK = Tb - Tc; + Tk = iio[-WS(ios, 3)]; + Tl = rio[WS(ios, 7)]; + Tm = Tk - Tl; + TL = Tl + Tk; + } + Te = Ta + Td; + TZ = TO + TN; + T10 = TK + TL; + Tn = Tj - Tm; + Tq = Td - Ta; + TM = TK - TL; + TP = TN - TO; + TH = Tj + Tm; + } + rio[0] = T7 + Te; + iio[-WS(ios, 7)] = TH + TG; + { + E To, Ty, Tf, Tp; + To = Tg + Tn; + Ty = Tq + Tx; + Tf = W[10]; + Tp = W[11]; + rio[WS(ios, 6)] = FNMS(Tp, Ty, Tf * To); + iio[-WS(ios, 1)] = FMA(Tp, To, Tf * Ty); + } + { + E TE, TI, TD, TF; + TE = T7 - Te; + TI = TG - TH; + TD = W[6]; + TF = W[7]; + rio[WS(ios, 4)] = FNMS(TF, TI, TD * TE); + iio[-WS(ios, 3)] = FMA(TF, TE, TD * TI); + } + { + E TA, TC, Tz, TB; + TA = Tg - Tn; + TC = Tx - Tq; + Tz = W[2]; + TB = W[3]; + rio[WS(ios, 2)] = FNMS(TB, TC, Tz * TA); + iio[-WS(ios, 5)] = FMA(TB, TA, Tz * TC); + } + { + E TU, T16, T12, T14, TQ, T11; + TQ = KP707106781 * (TM - TP); + TU = TQ + TT; + T16 = TT - TQ; + T11 = KP707106781 * (TZ - T10); + T12 = TY + T11; + T14 = TY - T11; + { + E TJ, TV, T13, T15; + TJ = W[0]; + TV = W[1]; + rio[WS(ios, 1)] = FNMS(TV, T12, TJ * TU); + iio[-WS(ios, 6)] = FMA(TJ, T12, TV * TU); + T13 = W[8]; + T15 = W[9]; + iio[-WS(ios, 2)] = FMA(T13, T14, T15 * T16); + rio[WS(ios, 5)] = FNMS(T15, T14, T13 * T16); + } + } + { + E T1a, T1i, T1e, T1g, T19, T1c; + T19 = KP707106781 * (TP + TM); + T1a = T18 + T19; + T1i = T18 - T19; + T1c = KP707106781 * (TZ + T10); + T1e = T1c + T1d; + T1g = T1d - T1c; + { + E T17, T1b, T1f, T1h; + T17 = W[12]; + T1b = W[13]; + iio[0] = FMA(T17, T1a, T1b * T1e); + rio[WS(ios, 7)] = FNMS(T1b, T1a, T17 * T1e); + T1f = W[4]; + T1h = W[5]; + rio[WS(ios, 3)] = FNMS(T1h, T1i, T1f * T1g); + iio[-WS(ios, 4)] = FMA(T1f, T1i, T1h * T1g); + } + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_FULL, 0, 8}, + {TW_NEXT, 1, 0} +}; + +static const hc2hc_desc desc = { 8, "hb_8", twinstr, {52, 18, 14, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_hb_8) (planner *p) { + X(khc2hc_dif_register) (p, hb_8, &desc); +} |