/* * 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 22:11:11 EDT 2003 */ #include "codelet-rdft.h" /* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2r -compact -variables 4 -sign 1 -n 12 -name hc2r_12 -include hc2r.h */ /* * This function contains 38 FP additions, 10 FP multiplications, * (or, 34 additions, 6 multiplications, 4 fused multiply/add), * 25 stack variables, and 24 memory accesses */ /* * Generator Id's : * $Id: hc2r_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hc2r_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ * $Id: hc2r_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ */ #include "hc2r.h" static void hc2r_12(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs) { DK(KP1_732050807, +1.732050807568877293527446341505872366942805254); DK(KP2_000000000, +2.000000000000000000000000000000000000000000000); int i; for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, O = O + ovs) { E T8, Tb, Tm, TA, Tw, Tx, Tp, TB, T3, Tr, Tg, T6, Ts, Tk; { E T9, Ta, Tn, To; T8 = ri[WS(ris, 3)]; T9 = ri[WS(ris, 5)]; Ta = ri[WS(ris, 1)]; Tb = T9 + Ta; Tm = FMS(KP2_000000000, T8, Tb); TA = KP1_732050807 * (T9 - Ta); Tw = ii[WS(iis, 3)]; Tn = ii[WS(iis, 5)]; To = ii[WS(iis, 1)]; Tx = Tn + To; Tp = KP1_732050807 * (Tn - To); TB = FMA(KP2_000000000, Tw, Tx); } { E Tf, T1, T2, Td, Te; Te = ii[WS(iis, 4)]; Tf = KP1_732050807 * Te; T1 = ri[0]; T2 = ri[WS(ris, 4)]; Td = T1 - T2; T3 = FMA(KP2_000000000, T2, T1); Tr = Td - Tf; Tg = Td + Tf; } { E Tj, T4, T5, Th, Ti; Ti = ii[WS(iis, 2)]; Tj = KP1_732050807 * Ti; T4 = ri[WS(ris, 6)]; T5 = ri[WS(ris, 2)]; Th = T4 - T5; T6 = FMA(KP2_000000000, T5, T4); Ts = Th + Tj; Tk = Th - Tj; } { E T7, Tc, Tz, TC; T7 = T3 + T6; Tc = KP2_000000000 * (T8 + Tb); O[WS(os, 6)] = T7 - Tc; O[0] = T7 + Tc; { E Tl, Tq, TD, TE; Tl = Tg + Tk; Tq = Tm - Tp; O[WS(os, 2)] = Tl - Tq; O[WS(os, 8)] = Tl + Tq; TD = Tg - Tk; TE = TB - TA; O[WS(os, 5)] = TD - TE; O[WS(os, 11)] = TD + TE; } Tz = Tr - Ts; TC = TA + TB; O[WS(os, 1)] = Tz - TC; O[WS(os, 7)] = Tz + TC; { E Tv, Ty, Tt, Tu; Tv = T3 - T6; Ty = KP2_000000000 * (Tw - Tx); O[WS(os, 9)] = Tv - Ty; O[WS(os, 3)] = Tv + Ty; Tt = Tr + Ts; Tu = Tm + Tp; O[WS(os, 10)] = Tt - Tu; O[WS(os, 4)] = Tt + Tu; } } } } static const khc2r_desc desc = { 12, "hc2r_12", {34, 6, 4, 0}, &GENUS, 0, 0, 0, 0, 0 }; void X(codelet_hc2r_12) (planner *p) { X(khc2r_register) (p, hc2r_12, &desc); }