diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/hc2r/hb_5.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/hc2r/hb_5.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/hc2r/hb_5.c b/src/fftw3/rdft/codelets/hc2r/hb_5.c new file mode 100644 index 0000000..e0af24d --- /dev/null +++ b/src/fftw3/rdft/codelets/hc2r/hb_5.c @@ -0,0 +1,146 @@ +/* + * 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 22:11:23 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -sign 1 -n 5 -dif -name hb_5 -include hb.h */ + +/* + * This function contains 40 FP additions, 28 FP multiplications, + * (or, 26 additions, 14 multiplications, 14 fused multiply/add), + * 27 stack variables, and 20 memory accesses + */ +/* + * Generator Id's : + * $Id: hb_5.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hb_5.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hb_5.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + */ + +#include "hb.h" + +static const R *hb_5(R *rio, R *iio, const R *W, stride ios, int m, int dist) +{ + DK(KP250000000, +0.250000000000000000000000000000000000000000000); + DK(KP587785252, +0.587785252292473129168705954639072768597652438); + DK(KP951056516, +0.951056516295153572116439333379382143405698634); + DK(KP559016994, +0.559016994374947424102293417182819058860154590); + int i; + for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 8) { + E T1, Tj, TG, Ts, T8, Ti, T9, Tn, TD, Tu, Tg, Tt; + { + E T7, Tr, T4, Tq; + T1 = rio[0]; + { + E T5, T6, T2, T3; + T5 = rio[WS(ios, 2)]; + T6 = iio[-WS(ios, 3)]; + T7 = T5 + T6; + Tr = T5 - T6; + T2 = rio[WS(ios, 1)]; + T3 = iio[-WS(ios, 4)]; + T4 = T2 + T3; + Tq = T2 - T3; + } + Tj = KP559016994 * (T4 - T7); + TG = FMA(KP951056516, Tq, KP587785252 * Tr); + Ts = FNMS(KP951056516, Tr, KP587785252 * Tq); + T8 = T4 + T7; + Ti = FNMS(KP250000000, T8, T1); + } + { + E Tf, Tm, Tc, Tl; + T9 = iio[0]; + { + E Td, Te, Ta, Tb; + Td = iio[-WS(ios, 2)]; + Te = rio[WS(ios, 3)]; + Tf = Td - Te; + Tm = Td + Te; + Ta = iio[-WS(ios, 1)]; + Tb = rio[WS(ios, 4)]; + Tc = Ta - Tb; + Tl = Ta + Tb; + } + Tn = FNMS(KP951056516, Tm, KP587785252 * Tl); + TD = FMA(KP951056516, Tl, KP587785252 * Tm); + Tu = KP559016994 * (Tc - Tf); + Tg = Tc + Tf; + Tt = FNMS(KP250000000, Tg, T9); + } + rio[0] = T1 + T8; + iio[-WS(ios, 4)] = T9 + Tg; + { + E TE, TM, TI, TK, TC, TH; + TC = Tj + Ti; + TE = TC - TD; + TM = TC + TD; + TH = Tu + Tt; + TI = TG + TH; + TK = TH - TG; + { + E TB, TF, TJ, TL; + TB = W[0]; + TF = W[1]; + rio[WS(ios, 1)] = FNMS(TF, TI, TB * TE); + iio[-WS(ios, 3)] = FMA(TB, TI, TF * TE); + TJ = W[6]; + TL = W[7]; + iio[0] = FMA(TJ, TK, TL * TM); + rio[WS(ios, 4)] = FNMS(TL, TK, TJ * TM); + } + } + { + E To, TA, Tw, Ty, Tk, Tv; + Tk = Ti - Tj; + To = Tk - Tn; + TA = Tk + Tn; + Tv = Tt - Tu; + Tw = Ts + Tv; + Ty = Tv - Ts; + { + E Th, Tp, Tx, Tz; + Th = W[2]; + Tp = W[3]; + rio[WS(ios, 2)] = FNMS(Tp, Tw, Th * To); + iio[-WS(ios, 2)] = FMA(Th, Tw, Tp * To); + Tx = W[4]; + Tz = W[5]; + iio[-WS(ios, 1)] = FMA(Tx, Ty, Tz * TA); + rio[WS(ios, 3)] = FNMS(Tz, Ty, Tx * TA); + } + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_FULL, 0, 5}, + {TW_NEXT, 1, 0} +}; + +static const hc2hc_desc desc = { 5, "hb_5", twinstr, {26, 14, 14, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_hb_5) (planner *p) { + X(khc2hc_dif_register) (p, hb_5, &desc); +} |