diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/r2hcII_12.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/r2hc/r2hcII_12.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/r2hcII_12.c b/src/fftw3/rdft/codelets/r2hc/r2hcII_12.c new file mode 100644 index 0000000..9e01c7b --- /dev/null +++ b/src/fftw3/rdft/codelets/r2hc/r2hcII_12.c @@ -0,0 +1,128 @@ +/* + * 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 21:58:14 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 12 -name r2hcII_12 -dft-II -include r2hcII.h */ + +/* + * This function contains 43 FP additions, 12 FP multiplications, + * (or, 39 additions, 8 multiplications, 4 fused multiply/add), + * 28 stack variables, and 24 memory accesses + */ +/* + * Generator Id's : + * $Id: r2hcII_12.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: r2hcII_12.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: r2hcII_12.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + */ + +#include "r2hcII.h" + +static void r2hcII_12(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs) +{ + DK(KP353553390, +0.353553390593273762200422181052424519642417969); + DK(KP707106781, +0.707106781186547524400844362104849039284835938); + DK(KP612372435, +0.612372435695794524549321018676472847991486870); + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + int i; + for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) { + E Tx, Tg, T4, Tz, Ty, Tj, TA, T9, Tm, Tl, Te, Tp, To, Tf, TE; + E TF; + { + E T1, T3, T2, Th, Ti; + T1 = I[0]; + T3 = I[WS(is, 4)]; + T2 = I[WS(is, 8)]; + Tx = KP866025403 * (T2 + T3); + Tg = FMA(KP500000000, T3 - T2, T1); + T4 = T1 + T2 - T3; + Tz = I[WS(is, 6)]; + Th = I[WS(is, 10)]; + Ti = I[WS(is, 2)]; + Ty = Th + Ti; + Tj = KP866025403 * (Th - Ti); + TA = FMA(KP500000000, Ty, Tz); + } + { + E T5, T6, T7, T8; + T5 = I[WS(is, 3)]; + T6 = I[WS(is, 11)]; + T7 = I[WS(is, 7)]; + T8 = T6 - T7; + T9 = T5 + T8; + Tm = KP612372435 * (T6 + T7); + Tl = FNMS(KP353553390, T8, KP707106781 * T5); + } + { + E Td, Ta, Tb, Tc; + Td = I[WS(is, 9)]; + Ta = I[WS(is, 5)]; + Tb = I[WS(is, 1)]; + Tc = Ta - Tb; + Te = Tc - Td; + Tp = FMA(KP353553390, Tc, KP707106781 * Td); + To = KP612372435 * (Ta + Tb); + } + Tf = KP707106781 * (T9 + Te); + ro[WS(ros, 1)] = T4 - Tf; + ro[WS(ros, 4)] = T4 + Tf; + TE = KP707106781 * (Te - T9); + TF = Tz - Ty; + io[WS(ios, 4)] = TE - TF; + io[WS(ios, 1)] = TE + TF; + { + E Tk, TB, Tr, Tw, Tn, Tq; + Tk = Tg - Tj; + TB = Tx - TA; + Tn = Tl - Tm; + Tq = To - Tp; + Tr = Tn + Tq; + Tw = Tn - Tq; + ro[WS(ros, 5)] = Tk - Tr; + io[WS(ios, 2)] = Tw + TB; + ro[0] = Tk + Tr; + io[WS(ios, 3)] = Tw - TB; + } + { + E Ts, TD, Tv, TC, Tt, Tu; + Ts = Tg + Tj; + TD = Tx + TA; + Tt = To + Tp; + Tu = Tm + Tl; + Tv = Tt - Tu; + TC = Tu + Tt; + ro[WS(ros, 3)] = Ts - Tv; + io[WS(ios, 5)] = TD - TC; + ro[WS(ros, 2)] = Ts + Tv; + io[0] = -(TC + TD); + } + } +} + +static const kr2hc_desc desc = { 12, "r2hcII_12", {39, 8, 4, 0}, &GENUS, 0, 0, 0, 0, 0 }; + +void X(codelet_r2hcII_12) (planner *p) { + X(kr2hcII_register) (p, r2hcII_12, &desc); +} |