diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/hc2r/hb_12.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/hc2r/hb_12.c | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/hc2r/hb_12.c b/src/fftw3/rdft/codelets/hc2r/hb_12.c new file mode 100644 index 0000000..55e7db0 --- /dev/null +++ b/src/fftw3/rdft/codelets/hc2r/hb_12.c @@ -0,0 +1,299 @@ +/* + * 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 22:11:36 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -sign 1 -n 12 -dif -name hb_12 -include hb.h */ + +/* + * This function contains 118 FP additions, 60 FP multiplications, + * (or, 88 additions, 30 multiplications, 30 fused multiply/add), + * 39 stack variables, and 48 memory accesses + */ +/* + * Generator Id's : + * $Id: hb_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hb_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hb_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + */ + +#include "hb.h" + +static const R *hb_12(R *rio, R *iio, const R *W, stride ios, int m, int dist) +{ + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + int i; + for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 22) { + E T5, Tt, T12, T1M, T1i, T1U, Tl, TM, T1c, T1Y, T1s, T1Q, Ta, Ty, T15; + E T1N, T1l, T1V, Tg, TH, T19, T1X, T1p, T1P; + { + E T1, Tp, T4, T1g, Ts, T11, T10, T1h; + T1 = rio[0]; + Tp = iio[0]; + { + E T2, T3, Tq, Tr; + T2 = rio[WS(ios, 4)]; + T3 = iio[-WS(ios, 8)]; + T4 = T2 + T3; + T1g = KP866025403 * (T2 - T3); + Tq = rio[WS(ios, 8)]; + Tr = iio[-WS(ios, 4)]; + Ts = Tq - Tr; + T11 = KP866025403 * (Tq + Tr); + } + T5 = T1 + T4; + Tt = Tp - Ts; + T10 = FNMS(KP500000000, T4, T1); + T12 = T10 - T11; + T1M = T10 + T11; + T1h = FMA(KP500000000, Ts, Tp); + T1i = T1g + T1h; + T1U = T1h - T1g; + } + { + E Th, TL, Tk, T1a, TK, T1r, T1b, T1q; + Th = iio[-WS(ios, 9)]; + TL = rio[WS(ios, 9)]; + { + E Ti, Tj, TI, TJ; + Ti = rio[WS(ios, 1)]; + Tj = rio[WS(ios, 5)]; + Tk = Ti + Tj; + T1a = KP866025403 * (Ti - Tj); + TI = iio[-WS(ios, 5)]; + TJ = iio[-WS(ios, 1)]; + TK = TI + TJ; + T1r = KP866025403 * (TI - TJ); + } + Tl = Th + Tk; + TM = TK - TL; + T1b = FMA(KP500000000, TK, TL); + T1c = T1a - T1b; + T1Y = T1a + T1b; + T1q = FNMS(KP500000000, Tk, Th); + T1s = T1q + T1r; + T1Q = T1q - T1r; + } + { + E T6, Tx, T9, T1j, Tw, T14, T13, T1k; + T6 = iio[-WS(ios, 6)]; + Tx = rio[WS(ios, 6)]; + { + E T7, T8, Tu, Tv; + T7 = iio[-WS(ios, 10)]; + T8 = rio[WS(ios, 2)]; + T9 = T7 + T8; + T1j = KP866025403 * (T7 - T8); + Tu = rio[WS(ios, 10)]; + Tv = iio[-WS(ios, 2)]; + Tw = Tu - Tv; + T14 = KP866025403 * (Tu + Tv); + } + Ta = T6 + T9; + Ty = Tw + Tx; + T13 = FNMS(KP500000000, T9, T6); + T15 = T13 + T14; + T1N = T13 - T14; + T1k = FMS(KP500000000, Tw, Tx); + T1l = T1j + T1k; + T1V = T1k - T1j; + } + { + E Tc, TD, Tf, T17, TG, T1o, T18, T1n; + Tc = rio[WS(ios, 3)]; + TD = iio[-WS(ios, 3)]; + { + E Td, Te, TE, TF; + Td = iio[-WS(ios, 7)]; + Te = iio[-WS(ios, 11)]; + Tf = Td + Te; + T17 = KP866025403 * (Td - Te); + TE = rio[WS(ios, 7)]; + TF = rio[WS(ios, 11)]; + TG = TE + TF; + T1o = KP866025403 * (TE - TF); + } + Tg = Tc + Tf; + TH = TD - TG; + T18 = FMA(KP500000000, TG, TD); + T19 = T17 + T18; + T1X = T18 - T17; + T1n = FNMS(KP500000000, Tf, Tc); + T1p = T1n + T1o; + T1P = T1n - T1o; + } + { + E Tb, Tm, TU, TW, TX, TY, TT, TV; + Tb = T5 + Ta; + Tm = Tg + Tl; + TU = Tb - Tm; + TW = Tt - Ty; + TX = TH + TM; + TY = TW - TX; + rio[0] = Tb + Tm; + iio[-WS(ios, 11)] = TW + TX; + TT = W[10]; + TV = W[11]; + rio[WS(ios, 6)] = FNMS(TV, TY, TT * TU); + iio[-WS(ios, 5)] = FMA(TV, TU, TT * TY); + } + { + E T28, T2g, T2c, T2e; + { + E T26, T27, T2a, T2b; + T26 = T1M - T1N; + T27 = T1X + T1Y; + T28 = T26 - T27; + T2g = T26 + T27; + T2a = T1U - T1V; + T2b = T1P - T1Q; + T2c = T2a + T2b; + T2e = T2a - T2b; + } + { + E T25, T29, T2d, T2f; + T25 = W[8]; + T29 = W[9]; + rio[WS(ios, 5)] = FNMS(T29, T2c, T25 * T28); + iio[-WS(ios, 6)] = FMA(T25, T2c, T29 * T28); + T2d = W[20]; + T2f = W[21]; + iio[0] = FMA(T2d, T2e, T2f * T2g); + rio[WS(ios, 11)] = FNMS(T2f, T2e, T2d * T2g); + } + } + { + E TA, TS, TO, TQ; + { + E To, Tz, TC, TN; + To = Tg - Tl; + Tz = Tt + Ty; + TA = To + Tz; + TS = Tz - To; + TC = T5 - Ta; + TN = TH - TM; + TO = TC - TN; + TQ = TC + TN; + } + { + E Tn, TB, TP, TR; + Tn = W[16]; + TB = W[17]; + iio[-WS(ios, 2)] = FMA(Tn, TA, TB * TO); + rio[WS(ios, 9)] = FNMS(TB, TA, Tn * TO); + TP = W[4]; + TR = W[5]; + rio[WS(ios, 3)] = FNMS(TR, TS, TP * TQ); + iio[-WS(ios, 8)] = FMA(TP, TS, TR * TQ); + } + } + { + E T1S, T22, T20, T24; + { + E T1O, T1R, T1W, T1Z; + T1O = T1M + T1N; + T1R = T1P + T1Q; + T1S = T1O - T1R; + T22 = T1O + T1R; + T1W = T1U + T1V; + T1Z = T1X - T1Y; + T20 = T1W - T1Z; + T24 = T1W + T1Z; + } + { + E T1L, T1T, T21, T23; + T1L = W[2]; + T1T = W[3]; + rio[WS(ios, 2)] = FNMS(T1T, T20, T1L * T1S); + iio[-WS(ios, 9)] = FMA(T1T, T1S, T1L * T20); + T21 = W[14]; + T23 = W[15]; + rio[WS(ios, 8)] = FNMS(T23, T24, T21 * T22); + iio[-WS(ios, 3)] = FMA(T23, T22, T21 * T24); + } + } + { + E T1C, T1I, T1G, T1K; + { + E T1A, T1B, T1E, T1F; + T1A = T12 + T15; + T1B = T1p + T1s; + T1C = T1A - T1B; + T1I = T1A + T1B; + T1E = T1i + T1l; + T1F = T19 + T1c; + T1G = T1E - T1F; + T1K = T1E + T1F; + } + { + E T1z, T1D, T1H, T1J; + T1z = W[18]; + T1D = W[19]; + rio[WS(ios, 10)] = FNMS(T1D, T1G, T1z * T1C); + iio[-WS(ios, 1)] = FMA(T1D, T1C, T1z * T1G); + T1H = W[6]; + T1J = W[7]; + rio[WS(ios, 4)] = FNMS(T1J, T1K, T1H * T1I); + iio[-WS(ios, 7)] = FMA(T1J, T1I, T1H * T1K); + } + } + { + E T1e, T1y, T1u, T1w; + { + E T16, T1d, T1m, T1t; + T16 = T12 - T15; + T1d = T19 - T1c; + T1e = T16 - T1d; + T1y = T16 + T1d; + T1m = T1i - T1l; + T1t = T1p - T1s; + T1u = T1m + T1t; + T1w = T1m - T1t; + } + { + E TZ, T1f, T1v, T1x; + TZ = W[0]; + T1f = W[1]; + rio[WS(ios, 1)] = FNMS(T1f, T1u, TZ * T1e); + iio[-WS(ios, 10)] = FMA(TZ, T1u, T1f * T1e); + T1v = W[12]; + T1x = W[13]; + iio[-WS(ios, 4)] = FMA(T1v, T1w, T1x * T1y); + rio[WS(ios, 7)] = FNMS(T1x, T1w, T1v * T1y); + } + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_FULL, 0, 12}, + {TW_NEXT, 1, 0} +}; + +static const hc2hc_desc desc = { 12, "hb_12", twinstr, {88, 30, 30, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_hb_12) (planner *p) { + X(khc2hc_dif_register) (p, hb_12, &desc); +} |