diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/hf2_4.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/r2hc/hf2_4.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/hf2_4.c b/src/fftw3/rdft/codelets/r2hc/hf2_4.c deleted file mode 100644 index a676143..0000000 --- a/src/fftw3/rdft/codelets/r2hc/hf2_4.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * 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 21:57:26 EDT 2003 */ - -#include "codelet-rdft.h" - -/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -twiddle-log3 -n 4 -dit -name hf2_4 -include hf.h */ - -/* - * This function contains 24 FP additions, 16 FP multiplications, - * (or, 16 additions, 8 multiplications, 8 fused multiply/add), - * 21 stack variables, and 16 memory accesses - */ -/* - * Generator Id's : - * $Id: hf2_4.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ - * $Id: hf2_4.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ - * $Id: hf2_4.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ - */ - -#include "hf.h" - -static const R *hf2_4(R *rio, R *iio, const R *W, stride ios, int m, int dist) -{ - int i; - for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 4) { - E T1, Tp, Ta, Te, To, Tl, Tk, Th; - T1 = rio[0]; - Tp = iio[-WS(ios, 3)]; - { - E T7, Td, T9, Tc, Tg, Tf, T2, T4, T3, T5, T6, T8; - T7 = rio[WS(ios, 2)]; - Td = iio[-WS(ios, 2)]; - T9 = iio[-WS(ios, 1)]; - Tc = rio[WS(ios, 1)]; - Tg = iio[0]; - Tf = rio[WS(ios, 3)]; - T2 = W[2]; - T4 = W[3]; - T3 = W[0]; - T5 = W[1]; - T6 = FMA(T2, T3, T4 * T5); - T8 = FNMS(T4, T3, T2 * T5); - Ta = FNMS(T8, T9, T6 * T7); - Te = FMA(T3, Tc, T5 * Td); - To = FMA(T8, T7, T6 * T9); - Tl = FNMS(T4, Tf, T2 * Tg); - Tk = FNMS(T5, Tc, T3 * Td); - Th = FMA(T2, Tf, T4 * Tg); - } - { - E Tb, Ti, Tn, Tq; - Tb = T1 + Ta; - Ti = Te + Th; - iio[-WS(ios, 2)] = Tb - Ti; - rio[0] = Tb + Ti; - Tn = Tk + Tl; - Tq = To + Tp; - rio[WS(ios, 2)] = Tn - Tq; - iio[0] = Tn + Tq; - } - { - E Tj, Tm, Tr, Ts; - Tj = T1 - Ta; - Tm = Tk - Tl; - iio[-WS(ios, 3)] = Tj - Tm; - rio[WS(ios, 1)] = Tj + Tm; - Tr = Th - Te; - Ts = Tp - To; - rio[WS(ios, 3)] = Tr - Ts; - iio[-WS(ios, 1)] = Tr + Ts; - } - } - return W; -} - -static const tw_instr twinstr[] = { - {TW_COS, 0, 1}, - {TW_SIN, 0, 1}, - {TW_COS, 0, 3}, - {TW_SIN, 0, 3}, - {TW_NEXT, 1, 0} -}; - -static const hc2hc_desc desc = { 4, "hf2_4", twinstr, {16, 8, 8, 0}, &GENUS, 0, 0, 0 }; - -void X(codelet_hf2_4) (planner *p) { - X(khc2hc_dit_register) (p, hf2_4, &desc); -} |