diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/r2hcII_15.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/r2hc/r2hcII_15.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/r2hcII_15.c b/src/fftw3/rdft/codelets/r2hc/r2hcII_15.c new file mode 100644 index 0000000..72e014a --- /dev/null +++ b/src/fftw3/rdft/codelets/r2hc/r2hcII_15.c @@ -0,0 +1,155 @@ +/* + * 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 21:58:16 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 15 -name r2hcII_15 -dft-II -include r2hcII.h */ + +/* + * This function contains 72 FP additions, 33 FP multiplications, + * (or, 54 additions, 15 multiplications, 18 fused multiply/add), + * 37 stack variables, and 30 memory accesses + */ +/* + * Generator Id's : + * $Id: r2hcII_15.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: r2hcII_15.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: r2hcII_15.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + */ + +#include "r2hcII.h" + +static void r2hcII_15(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs) +{ + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + DK(KP809016994, +0.809016994374947424102293417182819058860154590); + DK(KP309016994, +0.309016994374947424102293417182819058860154590); + DK(KP250000000, +0.250000000000000000000000000000000000000000000); + DK(KP559016994, +0.559016994374947424102293417182819058860154590); + DK(KP587785252, +0.587785252292473129168705954639072768597652438); + DK(KP951056516, +0.951056516295153572116439333379382143405698634); + int i; + for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) { + E T1, T2, Tx, TR, TE, T7, TD, Th, Tm, Tr, TQ, TA, TB, Tf, Te; + E Tu, TS, Td, TH, TO; + T1 = I[WS(is, 10)]; + { + E T3, Tv, T6, Tw, T4, T5; + T2 = I[WS(is, 4)]; + T3 = I[WS(is, 1)]; + Tv = T2 + T3; + T4 = I[WS(is, 7)]; + T5 = I[WS(is, 13)]; + T6 = T4 + T5; + Tw = T4 - T5; + Tx = FMA(KP951056516, Tv, KP587785252 * Tw); + TR = FNMS(KP587785252, Tv, KP951056516 * Tw); + TE = KP559016994 * (T3 - T6); + T7 = T3 + T6; + TD = KP250000000 * T7; + } + { + E Ti, Tl, Tj, Tk, Tp, Tq; + Th = I[0]; + Ti = I[WS(is, 9)]; + Tl = I[WS(is, 12)]; + Tj = I[WS(is, 3)]; + Tk = I[WS(is, 6)]; + Tp = Tk + Ti; + Tq = Tl + Tj; + Tm = Ti + Tj - (Tk + Tl); + Tr = FMA(KP951056516, Tp, KP587785252 * Tq); + TQ = FNMS(KP951056516, Tq, KP587785252 * Tp); + TA = FMA(KP250000000, Tm, Th); + TB = KP559016994 * (Tl + Ti - (Tk + Tj)); + } + { + E T9, Tt, Tc, Ts, Ta, Tb, TG; + Tf = I[WS(is, 5)]; + T9 = I[WS(is, 14)]; + Te = I[WS(is, 11)]; + Tt = T9 + Te; + Ta = I[WS(is, 2)]; + Tb = I[WS(is, 8)]; + Tc = Ta + Tb; + Ts = Ta - Tb; + Tu = FNMS(KP951056516, Tt, KP587785252 * Ts); + TS = FMA(KP951056516, Ts, KP587785252 * Tt); + Td = T9 + Tc; + TG = KP559016994 * (T9 - Tc); + TH = FNMS(KP309016994, Te, TG) + FNMA(KP250000000, Td, Tf); + TO = FMS(KP809016994, Te, Tf) + FNMA(KP250000000, Td, TG); + } + { + E Tn, T8, Tg, To; + Tn = Th - Tm; + T8 = T1 + T2 - T7; + Tg = Td - Te - Tf; + To = T8 + Tg; + io[WS(ios, 2)] = KP866025403 * (T8 - Tg); + ro[WS(ros, 2)] = FNMS(KP500000000, To, Tn); + ro[WS(ros, 7)] = Tn + To; + } + { + E TM, TX, TT, TV, TP, TU, TN, TW; + TM = TB + TA; + TX = KP866025403 * (TR + TS); + TT = TR - TS; + TV = FMS(KP500000000, TT, TQ); + TN = T1 + TE + FNMS(KP809016994, T2, TD); + TP = TN + TO; + TU = KP866025403 * (TO - TN); + ro[WS(ros, 1)] = TM + TP; + io[WS(ios, 1)] = TQ + TT; + io[WS(ios, 6)] = TU - TV; + io[WS(ios, 3)] = TU + TV; + TW = FNMS(KP500000000, TP, TM); + ro[WS(ros, 3)] = TW - TX; + ro[WS(ros, 6)] = TW + TX; + } + { + E Tz, TC, Ty, TK, TI, TL, TF, TJ; + Tz = KP866025403 * (Tx + Tu); + TC = TA - TB; + Ty = Tu - Tx; + TK = FMS(KP500000000, Ty, Tr); + TF = FMA(KP309016994, T2, T1) + TD - TE; + TI = TF + TH; + TL = KP866025403 * (TH - TF); + io[WS(ios, 4)] = Tr + Ty; + ro[WS(ros, 4)] = TC + TI; + io[WS(ios, 5)] = TK - TL; + io[0] = TK + TL; + TJ = FNMS(KP500000000, TI, TC); + ro[0] = Tz + TJ; + ro[WS(ros, 5)] = TJ - Tz; + } + } +} + +static const kr2hc_desc desc = { 15, "r2hcII_15", {54, 15, 18, 0}, &GENUS, 0, 0, 0, 0, 0 }; + +void X(codelet_r2hcII_15) (planner *p) { + X(kr2hcII_register) (p, r2hcII_15, &desc); +} |