/* * 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 21:58:12 EDT 2003 */ #include "codelet-rdft.h" /* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 10 -name r2hcII_10 -dft-II -include r2hcII.h */ /* * This function contains 32 FP additions, 12 FP multiplications, * (or, 26 additions, 6 multiplications, 6 fused multiply/add), * 21 stack variables, and 20 memory accesses */ /* * Generator Id's : * $Id: r2hcII_10.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hcII_10.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ * $Id: r2hcII_10.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ */ #include "r2hcII.h" static void r2hcII_10(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs) { DK(KP250000000, +0.250000000000000000000000000000000000000000000); DK(KP587785252, +0.587785252292473129168705954639072768597652438); DK(KP951056516, +0.951056516295153572116439333379382143405698634); DK(KP559016994, +0.559016994374947424102293417182819058860154590); int i; for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) { E T1, To, T8, Tq, T9, Tp, Te, Ts, Th, Tn; T1 = I[0]; To = I[WS(is, 5)]; { E T2, T3, T4, T5, T6, T7; T2 = I[WS(is, 4)]; T3 = I[WS(is, 6)]; T4 = T2 - T3; T5 = I[WS(is, 8)]; T6 = I[WS(is, 2)]; T7 = T5 - T6; T8 = T4 + T7; Tq = T5 + T6; T9 = KP559016994 * (T4 - T7); Tp = T2 + T3; } { E Tc, Td, Tm, Tf, Tg, Tl; Tc = I[WS(is, 1)]; Td = I[WS(is, 9)]; Tm = Tc + Td; Tf = I[WS(is, 3)]; Tg = I[WS(is, 7)]; Tl = Tf + Tg; Te = Tc - Td; Ts = KP559016994 * (Tm + Tl); Th = Tf - Tg; Tn = Tl - Tm; } ro[WS(ros, 2)] = T1 + T8; io[WS(ios, 2)] = Tn - To; { E Ti, Tk, Tb, Tj, Ta; Ti = FMA(KP951056516, Te, KP587785252 * Th); Tk = FNMS(KP587785252, Te, KP951056516 * Th); Ta = FNMS(KP250000000, T8, T1); Tb = T9 + Ta; Tj = Ta - T9; ro[WS(ros, 4)] = Tb - Ti; ro[WS(ros, 3)] = Tj + Tk; ro[0] = Tb + Ti; ro[WS(ros, 1)] = Tj - Tk; } { E Tr, Tw, Tu, Tv, Tt; Tr = FMA(KP951056516, Tp, KP587785252 * Tq); Tw = FNMS(KP587785252, Tp, KP951056516 * Tq); Tt = FMA(KP250000000, Tn, To); Tu = Ts + Tt; Tv = Tt - Ts; io[0] = -(Tr + Tu); io[WS(ios, 3)] = Tw + Tv; io[WS(ios, 4)] = Tr - Tu; io[WS(ios, 1)] = Tv - Tw; } } } static const kr2hc_desc desc = { 10, "r2hcII_10", {26, 6, 6, 0}, &GENUS, 0, 0, 0, 0, 0 }; void X(codelet_r2hcII_10) (planner *p) { X(kr2hcII_register) (p, r2hcII_10, &desc); }