/* * 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 22:12:05 EDT 2003 */ #include "codelet-rdft.h" /* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2r -compact -variables 4 -sign 1 -n 10 -name hc2rIII_10 -dft-III -include hc2rIII.h */ /* * This function contains 32 FP additions, 16 FP multiplications, * (or, 26 additions, 10 multiplications, 6 fused multiply/add), * 22 stack variables, and 20 memory accesses */ /* * Generator Id's : * $Id: hc2rIII_10.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hc2rIII_10.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hc2rIII_10.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ */ #include "hc2rIII.h" static void hc2rIII_10(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs) { DK(KP500000000, +0.500000000000000000000000000000000000000000000); DK(KP1_902113032, +1.902113032590307144232878666758764286811397268); DK(KP1_175570504, +1.175570504584946258337411909278145537195304875); DK(KP2_000000000, +2.000000000000000000000000000000000000000000000); DK(KP1_118033988, +1.118033988749894848204586834365638117720309180); int i; for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, O = O + ovs) { E T1, To, T8, Tq, Ta, Tp, Te, Ts, Th, Tn; T1 = ri[WS(ris, 2)]; To = ii[WS(iis, 2)]; { E T2, T3, T4, T5, T6, T7; T2 = ri[WS(ris, 4)]; T3 = ri[0]; T4 = T2 + T3; T5 = ri[WS(ris, 3)]; T6 = ri[WS(ris, 1)]; T7 = T5 + T6; T8 = T4 + T7; Tq = T5 - T6; Ta = KP1_118033988 * (T7 - T4); Tp = T2 - T3; } { E Tc, Td, Tm, Tf, Tg, Tl; Tc = ii[WS(iis, 4)]; Td = ii[0]; Tm = Tc + Td; Tf = ii[WS(iis, 1)]; Tg = ii[WS(iis, 3)]; Tl = Tg + Tf; Te = Tc - Td; Ts = KP1_118033988 * (Tl + Tm); Th = Tf - Tg; Tn = Tl - Tm; } O[0] = KP2_000000000 * (T1 + T8); O[WS(os, 5)] = KP2_000000000 * (Tn - To); { E Ti, Tj, Tb, Tk, T9; Ti = FNMS(KP1_902113032, Th, KP1_175570504 * Te); Tj = FMA(KP1_175570504, Th, KP1_902113032 * Te); T9 = FNMS(KP2_000000000, T1, KP500000000 * T8); Tb = T9 - Ta; Tk = T9 + Ta; O[WS(os, 2)] = Tb + Ti; O[WS(os, 6)] = Tk + Tj; O[WS(os, 8)] = Ti - Tb; O[WS(os, 4)] = Tj - Tk; } { E Tr, Tv, Tu, Tw, Tt; Tr = FMA(KP1_902113032, Tp, KP1_175570504 * Tq); Tv = FNMS(KP1_175570504, Tp, KP1_902113032 * Tq); Tt = FMA(KP500000000, Tn, KP2_000000000 * To); Tu = Ts + Tt; Tw = Tt - Ts; O[WS(os, 1)] = -(Tr + Tu); O[WS(os, 7)] = Tw - Tv; O[WS(os, 9)] = Tr - Tu; O[WS(os, 3)] = Tv + Tw; } } } static const khc2r_desc desc = { 10, "hc2rIII_10", {26, 10, 6, 0}, &GENUS, 0, 0, 0, 0, 0 }; void X(codelet_hc2rIII_10) (planner *p) { X(khc2rIII_register) (p, hc2rIII_10, &desc); }