diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/hc2r/hc2rIII_12.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/hc2r/hc2rIII_12.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/hc2r/hc2rIII_12.c b/src/fftw3/rdft/codelets/hc2r/hc2rIII_12.c new file mode 100644 index 0000000..0a36bf0 --- /dev/null +++ b/src/fftw3/rdft/codelets/hc2r/hc2rIII_12.c @@ -0,0 +1,130 @@ +/* + * 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 22:12:07 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 hc2rIII_12 -dft-III -include hc2rIII.h */ + +/* + * This function contains 42 FP additions, 20 FP multiplications, + * (or, 38 additions, 16 multiplications, 4 fused multiply/add), + * 25 stack variables, and 24 memory accesses + */ +/* + * Generator Id's : + * $Id: hc2rIII_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hc2rIII_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hc2rIII_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + */ + +#include "hc2rIII.h" + +static void hc2rIII_12(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs) +{ + DK(KP1_414213562, +1.414213562373095048801688724209698078569671875); + DK(KP2_000000000, +2.000000000000000000000000000000000000000000000); + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + int i; + for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, O = O + ovs) { + E T5, Tw, Tb, Te, Tx, Ts, Ta, TA, Tg, Tj, Tz, Tp, Tt, Tu; + { + E T1, T2, T3, T4; + T1 = ri[WS(ris, 1)]; + T2 = ri[WS(ris, 5)]; + T3 = ri[WS(ris, 2)]; + T4 = T2 + T3; + T5 = T1 + T4; + Tw = KP866025403 * (T2 - T3); + Tb = FNMS(KP500000000, T4, T1); + } + { + E Tq, Tc, Td, Tr; + Tq = ii[WS(iis, 1)]; + Tc = ii[WS(iis, 5)]; + Td = ii[WS(iis, 2)]; + Tr = Td - Tc; + Te = KP866025403 * (Tc + Td); + Tx = FMA(KP500000000, Tr, Tq); + Ts = Tq - Tr; + } + { + E T6, T7, T8, T9; + T6 = ri[WS(ris, 4)]; + T7 = ri[0]; + T8 = ri[WS(ris, 3)]; + T9 = T7 + T8; + Ta = T6 + T9; + TA = KP866025403 * (T7 - T8); + Tg = FNMS(KP500000000, T9, T6); + } + { + E To, Th, Ti, Tn; + To = ii[WS(iis, 4)]; + Th = ii[0]; + Ti = ii[WS(iis, 3)]; + Tn = Ti - Th; + Tj = KP866025403 * (Th + Ti); + Tz = FMA(KP500000000, Tn, To); + Tp = Tn - To; + } + O[0] = KP2_000000000 * (T5 + Ta); + O[WS(os, 6)] = KP2_000000000 * (Ts + Tp); + Tt = Tp - Ts; + Tu = T5 - Ta; + O[WS(os, 3)] = KP1_414213562 * (Tt - Tu); + O[WS(os, 9)] = KP1_414213562 * (Tu + Tt); + { + E Tf, Tk, Tv, Ty, TB, TC; + Tf = Tb - Te; + Tk = Tg + Tj; + Tv = Tf - Tk; + Ty = Tw + Tx; + TB = Tz - TA; + TC = Ty + TB; + O[WS(os, 4)] = -(KP2_000000000 * (Tf + Tk)); + O[WS(os, 10)] = KP2_000000000 * (TB - Ty); + O[WS(os, 1)] = KP1_414213562 * (Tv - TC); + O[WS(os, 7)] = KP1_414213562 * (Tv + TC); + } + { + E Tl, Tm, TF, TD, TE, TG; + Tl = Tb + Te; + Tm = Tg - Tj; + TF = Tm - Tl; + TD = TA + Tz; + TE = Tx - Tw; + TG = TE + TD; + O[WS(os, 8)] = KP2_000000000 * (Tl + Tm); + O[WS(os, 5)] = KP1_414213562 * (TF + TG); + O[WS(os, 2)] = KP2_000000000 * (TD - TE); + O[WS(os, 11)] = KP1_414213562 * (TF - TG); + } + } +} + +static const khc2r_desc desc = { 12, "hc2rIII_12", {38, 16, 4, 0}, &GENUS, 0, 0, 0, 0, 0 }; + +void X(codelet_hc2rIII_12) (planner *p) { + X(khc2rIII_register) (p, hc2rIII_12, &desc); +} |