diff options
Diffstat (limited to 'src/fftw3/dft/codelets/standard/n1_12.c')
| -rw-r--r-- | src/fftw3/dft/codelets/standard/n1_12.c | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/src/fftw3/dft/codelets/standard/n1_12.c b/src/fftw3/dft/codelets/standard/n1_12.c new file mode 100644 index 0000000..cced824 --- /dev/null +++ b/src/fftw3/dft/codelets/standard/n1_12.c @@ -0,0 +1,224 @@ +/* + * 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 21:29:32 EDT 2003 */ + +#include "codelet-dft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_notw -compact -variables 4 -n 12 -name n1_12 -include n.h */ + +/* + * This function contains 96 FP additions, 16 FP multiplications, + * (or, 88 additions, 8 multiplications, 8 fused multiply/add), + * 43 stack variables, and 48 memory accesses + */ +/* + * Generator Id's : + * $Id: n1_12.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + * $Id: n1_12.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + * $Id: n1_12.c,v 1.1 2008/10/17 06:11:09 scuri Exp $ + */ + +#include "n.h" + +static void n1_12(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, int v, int ivs, int ovs) +{ + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + int i; + for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs) { + E T5, TR, TA, Ts, TS, Tz, Ta, TU, TD, Tx, TV, TC, Tg, T1a, TG; + E TJ, T1u, T1d, Tl, T1f, TL, TO, T1v, T1i; + { + E T1, T2, T3, T4; + T1 = ri[0]; + T2 = ri[WS(is, 4)]; + T3 = ri[WS(is, 8)]; + T4 = T2 + T3; + T5 = T1 + T4; + TR = FNMS(KP500000000, T4, T1); + TA = KP866025403 * (T3 - T2); + } + { + E To, Tp, Tq, Tr; + To = ii[0]; + Tp = ii[WS(is, 4)]; + Tq = ii[WS(is, 8)]; + Tr = Tp + Tq; + Ts = To + Tr; + TS = KP866025403 * (Tp - Tq); + Tz = FNMS(KP500000000, Tr, To); + } + { + E T6, T7, T8, T9; + T6 = ri[WS(is, 6)]; + T7 = ri[WS(is, 10)]; + T8 = ri[WS(is, 2)]; + T9 = T7 + T8; + Ta = T6 + T9; + TU = FNMS(KP500000000, T9, T6); + TD = KP866025403 * (T8 - T7); + } + { + E Tt, Tu, Tv, Tw; + Tt = ii[WS(is, 6)]; + Tu = ii[WS(is, 10)]; + Tv = ii[WS(is, 2)]; + Tw = Tu + Tv; + Tx = Tt + Tw; + TV = KP866025403 * (Tu - Tv); + TC = FNMS(KP500000000, Tw, Tt); + } + { + E Tc, Td, Te, Tf; + Tc = ri[WS(is, 3)]; + Td = ri[WS(is, 7)]; + Te = ri[WS(is, 11)]; + Tf = Td + Te; + Tg = Tc + Tf; + T1a = KP866025403 * (Te - Td); + TG = FNMS(KP500000000, Tf, Tc); + } + { + E T1b, TH, TI, T1c; + T1b = ii[WS(is, 3)]; + TH = ii[WS(is, 7)]; + TI = ii[WS(is, 11)]; + T1c = TH + TI; + TJ = KP866025403 * (TH - TI); + T1u = T1b + T1c; + T1d = FNMS(KP500000000, T1c, T1b); + } + { + E Th, Ti, Tj, Tk; + Th = ri[WS(is, 9)]; + Ti = ri[WS(is, 1)]; + Tj = ri[WS(is, 5)]; + Tk = Ti + Tj; + Tl = Th + Tk; + T1f = KP866025403 * (Tj - Ti); + TL = FNMS(KP500000000, Tk, Th); + } + { + E T1g, TM, TN, T1h; + T1g = ii[WS(is, 9)]; + TM = ii[WS(is, 1)]; + TN = ii[WS(is, 5)]; + T1h = TM + TN; + TO = KP866025403 * (TM - TN); + T1v = T1g + T1h; + T1i = FNMS(KP500000000, T1h, T1g); + } + { + E Tb, Tm, T1t, T1w; + Tb = T5 + Ta; + Tm = Tg + Tl; + ro[WS(os, 6)] = Tb - Tm; + ro[0] = Tb + Tm; + { + E T1x, T1y, Tn, Ty; + T1x = Ts + Tx; + T1y = T1u + T1v; + io[WS(os, 6)] = T1x - T1y; + io[0] = T1x + T1y; + Tn = Tg - Tl; + Ty = Ts - Tx; + io[WS(os, 3)] = Tn + Ty; + io[WS(os, 9)] = Ty - Tn; + } + T1t = T5 - Ta; + T1w = T1u - T1v; + ro[WS(os, 3)] = T1t - T1w; + ro[WS(os, 9)] = T1t + T1w; + { + E T11, T1l, T1k, T1m, T14, T18, T17, T19; + { + E TZ, T10, T1e, T1j; + TZ = TA + Tz; + T10 = TD + TC; + T11 = TZ - T10; + T1l = TZ + T10; + T1e = T1a + T1d; + T1j = T1f + T1i; + T1k = T1e - T1j; + T1m = T1e + T1j; + } + { + E T12, T13, T15, T16; + T12 = TG + TJ; + T13 = TL + TO; + T14 = T12 - T13; + T18 = T12 + T13; + T15 = TR + TS; + T16 = TU + TV; + T17 = T15 + T16; + T19 = T15 - T16; + } + io[WS(os, 1)] = T11 - T14; + ro[WS(os, 1)] = T19 + T1k; + io[WS(os, 7)] = T11 + T14; + ro[WS(os, 7)] = T19 - T1k; + ro[WS(os, 10)] = T17 - T18; + io[WS(os, 10)] = T1l - T1m; + ro[WS(os, 4)] = T17 + T18; + io[WS(os, 4)] = T1l + T1m; + } + { + E TF, T1r, T1q, T1s, TQ, TY, TX, T1n; + { + E TB, TE, T1o, T1p; + TB = Tz - TA; + TE = TC - TD; + TF = TB - TE; + T1r = TB + TE; + T1o = T1d - T1a; + T1p = T1i - T1f; + T1q = T1o - T1p; + T1s = T1o + T1p; + } + { + E TK, TP, TT, TW; + TK = TG - TJ; + TP = TL - TO; + TQ = TK - TP; + TY = TK + TP; + TT = TR - TS; + TW = TU - TV; + TX = TT + TW; + T1n = TT - TW; + } + io[WS(os, 5)] = TF - TQ; + ro[WS(os, 5)] = T1n + T1q; + io[WS(os, 11)] = TF + TQ; + ro[WS(os, 11)] = T1n - T1q; + ro[WS(os, 2)] = TX - TY; + io[WS(os, 2)] = T1r - T1s; + ro[WS(os, 8)] = TX + TY; + io[WS(os, 8)] = T1r + T1s; + } + } + } +} + +static const kdft_desc desc = { 12, "n1_12", {88, 8, 8, 0}, &GENUS, 0, 0, 0, 0 }; +void X(codelet_n1_12) (planner *p) { + X(kdft_register) (p, n1_12, &desc); +} |