diff options
Diffstat (limited to 'src/fftw3/dft/codelets/standard/t1_5.c')
| -rw-r--r-- | src/fftw3/dft/codelets/standard/t1_5.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/fftw3/dft/codelets/standard/t1_5.c b/src/fftw3/dft/codelets/standard/t1_5.c new file mode 100644 index 0000000..87feed7 --- /dev/null +++ b/src/fftw3/dft/codelets/standard/t1_5.c @@ -0,0 +1,143 @@ +/* + * 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 21:29:52 EDT 2003 */ + +#include "codelet-dft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_twiddle -compact -variables 4 -n 5 -name t1_5 -include t.h */ + +/* + * This function contains 40 FP additions, 28 FP multiplications, + * (or, 26 additions, 14 multiplications, 14 fused multiply/add), + * 29 stack variables, and 20 memory accesses + */ +/* + * Generator Id's : + * $Id: t1_5.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + * $Id: t1_5.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + * $Id: t1_5.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + */ + +#include "t.h" + +static const R *t1_5(R *ri, R *ii, const R *W, stride ios, int m, int dist) +{ + DK(KP250000000, +0.250000000000000000000000000000000000000000000); + DK(KP559016994, +0.559016994374947424102293417182819058860154590); + DK(KP587785252, +0.587785252292473129168705954639072768597652438); + DK(KP951056516, +0.951056516295153572116439333379382143405698634); + int i; + for (i = m; i > 0; i = i - 1, ri = ri + dist, ii = ii + dist, W = W + 8) { + E T1, TE, Tu, Tx, TJ, TI, TB, TC, TD, Tc, Tn, To; + T1 = ri[0]; + TE = ii[0]; + { + E T6, Ts, Tm, Tw, Tb, Tt, Th, Tv; + { + E T3, T5, T2, T4; + T3 = ri[WS(ios, 1)]; + T5 = ii[WS(ios, 1)]; + T2 = W[0]; + T4 = W[1]; + T6 = FMA(T2, T3, T4 * T5); + Ts = FNMS(T4, T3, T2 * T5); + } + { + E Tj, Tl, Ti, Tk; + Tj = ri[WS(ios, 3)]; + Tl = ii[WS(ios, 3)]; + Ti = W[4]; + Tk = W[5]; + Tm = FMA(Ti, Tj, Tk * Tl); + Tw = FNMS(Tk, Tj, Ti * Tl); + } + { + E T8, Ta, T7, T9; + T8 = ri[WS(ios, 4)]; + Ta = ii[WS(ios, 4)]; + T7 = W[6]; + T9 = W[7]; + Tb = FMA(T7, T8, T9 * Ta); + Tt = FNMS(T9, T8, T7 * Ta); + } + { + E Te, Tg, Td, Tf; + Te = ri[WS(ios, 2)]; + Tg = ii[WS(ios, 2)]; + Td = W[2]; + Tf = W[3]; + Th = FMA(Td, Te, Tf * Tg); + Tv = FNMS(Tf, Te, Td * Tg); + } + Tu = Ts - Tt; + Tx = Tv - Tw; + TJ = Th - Tm; + TI = T6 - Tb; + TB = Ts + Tt; + TC = Tv + Tw; + TD = TB + TC; + Tc = T6 + Tb; + Tn = Th + Tm; + To = Tc + Tn; + } + ri[0] = T1 + To; + ii[0] = TD + TE; + { + E Ty, TA, Tr, Tz, Tp, Tq; + Ty = FMA(KP951056516, Tu, KP587785252 * Tx); + TA = FNMS(KP587785252, Tu, KP951056516 * Tx); + Tp = KP559016994 * (Tc - Tn); + Tq = FNMS(KP250000000, To, T1); + Tr = Tp + Tq; + Tz = Tq - Tp; + ri[WS(ios, 4)] = Tr - Ty; + ri[WS(ios, 3)] = Tz + TA; + ri[WS(ios, 1)] = Tr + Ty; + ri[WS(ios, 2)] = Tz - TA; + } + { + E TK, TL, TH, TM, TF, TG; + TK = FMA(KP951056516, TI, KP587785252 * TJ); + TL = FNMS(KP587785252, TI, KP951056516 * TJ); + TF = KP559016994 * (TB - TC); + TG = FNMS(KP250000000, TD, TE); + TH = TF + TG; + TM = TG - TF; + ii[WS(ios, 1)] = TH - TK; + ii[WS(ios, 3)] = TM - TL; + ii[WS(ios, 4)] = TK + TH; + ii[WS(ios, 2)] = TL + TM; + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_FULL, 0, 5}, + {TW_NEXT, 1, 0} +}; + +static const ct_desc desc = { 5, "t1_5", twinstr, {26, 14, 14, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_t1_5) (planner *p) { + X(kdft_dit_register) (p, t1_5, &desc); +} |