diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/hf_16.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/r2hc/hf_16.c | 406 |
1 files changed, 406 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/hf_16.c b/src/fftw3/rdft/codelets/r2hc/hf_16.c new file mode 100644 index 0000000..ff3145d --- /dev/null +++ b/src/fftw3/rdft/codelets/r2hc/hf_16.c @@ -0,0 +1,406 @@ +/* + * 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 21:57:07 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -n 16 -dit -name hf_16 -include hf.h */ + +/* + * This function contains 174 FP additions, 84 FP multiplications, + * (or, 136 additions, 46 multiplications, 38 fused multiply/add), + * 52 stack variables, and 64 memory accesses + */ +/* + * Generator Id's : + * $Id: hf_16.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: hf_16.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: hf_16.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + */ + +#include "hf.h" + +static const R *hf_16(R *rio, R *iio, const R *W, stride ios, int m, int dist) +{ + DK(KP382683432, +0.382683432365089771728459984030398866761344562); + DK(KP923879532, +0.923879532511286756128183189396788286822416626); + DK(KP707106781, +0.707106781186547524400844362104849039284835938); + int i; + for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 30) { + E T7, T37, T1t, T2U, Ti, T38, T1w, T2R, Tu, T2s, T1C, T2c, TF, T2t, T1H; + E T2d, TS, T13, T2w, T2x, T2y, T2z, T1O, T2g, T1T, T2h, T1f, T1q, T2B, T2C; + E T2D, T2E, T1Z, T2j, T24, T2k; + { + E T1, T2T, T6, T2S; + T1 = rio[0]; + T2T = iio[-WS(ios, 15)]; + { + E T3, T5, T2, T4; + T3 = rio[WS(ios, 8)]; + T5 = iio[-WS(ios, 7)]; + T2 = W[14]; + T4 = W[15]; + T6 = FMA(T2, T3, T4 * T5); + T2S = FNMS(T4, T3, T2 * T5); + } + T7 = T1 + T6; + T37 = T2T - T2S; + T1t = T1 - T6; + T2U = T2S + T2T; + } + { + E Tc, T1u, Th, T1v; + { + E T9, Tb, T8, Ta; + T9 = rio[WS(ios, 4)]; + Tb = iio[-WS(ios, 11)]; + T8 = W[6]; + Ta = W[7]; + Tc = FMA(T8, T9, Ta * Tb); + T1u = FNMS(Ta, T9, T8 * Tb); + } + { + E Te, Tg, Td, Tf; + Te = rio[WS(ios, 12)]; + Tg = iio[-WS(ios, 3)]; + Td = W[22]; + Tf = W[23]; + Th = FMA(Td, Te, Tf * Tg); + T1v = FNMS(Tf, Te, Td * Tg); + } + Ti = Tc + Th; + T38 = Tc - Th; + T1w = T1u - T1v; + T2R = T1u + T1v; + } + { + E To, T1y, Tt, T1z, T1A, T1B; + { + E Tl, Tn, Tk, Tm; + Tl = rio[WS(ios, 2)]; + Tn = iio[-WS(ios, 13)]; + Tk = W[2]; + Tm = W[3]; + To = FMA(Tk, Tl, Tm * Tn); + T1y = FNMS(Tm, Tl, Tk * Tn); + } + { + E Tq, Ts, Tp, Tr; + Tq = rio[WS(ios, 10)]; + Ts = iio[-WS(ios, 5)]; + Tp = W[18]; + Tr = W[19]; + Tt = FMA(Tp, Tq, Tr * Ts); + T1z = FNMS(Tr, Tq, Tp * Ts); + } + Tu = To + Tt; + T2s = T1y + T1z; + T1A = T1y - T1z; + T1B = To - Tt; + T1C = T1A - T1B; + T2c = T1B + T1A; + } + { + E Tz, T1E, TE, T1F, T1D, T1G; + { + E Tw, Ty, Tv, Tx; + Tw = rio[WS(ios, 14)]; + Ty = iio[-WS(ios, 1)]; + Tv = W[26]; + Tx = W[27]; + Tz = FMA(Tv, Tw, Tx * Ty); + T1E = FNMS(Tx, Tw, Tv * Ty); + } + { + E TB, TD, TA, TC; + TB = rio[WS(ios, 6)]; + TD = iio[-WS(ios, 9)]; + TA = W[10]; + TC = W[11]; + TE = FMA(TA, TB, TC * TD); + T1F = FNMS(TC, TB, TA * TD); + } + TF = Tz + TE; + T2t = T1E + T1F; + T1D = Tz - TE; + T1G = T1E - T1F; + T1H = T1D + T1G; + T2d = T1D - T1G; + } + { + E TM, T1K, T12, T1R, TR, T1L, TX, T1Q; + { + E TJ, TL, TI, TK; + TJ = rio[WS(ios, 1)]; + TL = iio[-WS(ios, 14)]; + TI = W[0]; + TK = W[1]; + TM = FMA(TI, TJ, TK * TL); + T1K = FNMS(TK, TJ, TI * TL); + } + { + E TZ, T11, TY, T10; + TZ = rio[WS(ios, 13)]; + T11 = iio[-WS(ios, 2)]; + TY = W[24]; + T10 = W[25]; + T12 = FMA(TY, TZ, T10 * T11); + T1R = FNMS(T10, TZ, TY * T11); + } + { + E TO, TQ, TN, TP; + TO = rio[WS(ios, 9)]; + TQ = iio[-WS(ios, 6)]; + TN = W[16]; + TP = W[17]; + TR = FMA(TN, TO, TP * TQ); + T1L = FNMS(TP, TO, TN * TQ); + } + { + E TU, TW, TT, TV; + TU = rio[WS(ios, 5)]; + TW = iio[-WS(ios, 10)]; + TT = W[8]; + TV = W[9]; + TX = FMA(TT, TU, TV * TW); + T1Q = FNMS(TV, TU, TT * TW); + } + TS = TM + TR; + T13 = TX + T12; + T2w = TS - T13; + T2x = T1K + T1L; + T2y = T1Q + T1R; + T2z = T2x - T2y; + { + E T1M, T1N, T1P, T1S; + T1M = T1K - T1L; + T1N = TX - T12; + T1O = T1M + T1N; + T2g = T1M - T1N; + T1P = TM - TR; + T1S = T1Q - T1R; + T1T = T1P - T1S; + T2h = T1P + T1S; + } + } + { + E T19, T20, T1p, T1X, T1e, T21, T1k, T1W; + { + E T16, T18, T15, T17; + T16 = rio[WS(ios, 15)]; + T18 = iio[0]; + T15 = W[28]; + T17 = W[29]; + T19 = FMA(T15, T16, T17 * T18); + T20 = FNMS(T17, T16, T15 * T18); + } + { + E T1m, T1o, T1l, T1n; + T1m = rio[WS(ios, 11)]; + T1o = iio[-WS(ios, 4)]; + T1l = W[20]; + T1n = W[21]; + T1p = FMA(T1l, T1m, T1n * T1o); + T1X = FNMS(T1n, T1m, T1l * T1o); + } + { + E T1b, T1d, T1a, T1c; + T1b = rio[WS(ios, 7)]; + T1d = iio[-WS(ios, 8)]; + T1a = W[12]; + T1c = W[13]; + T1e = FMA(T1a, T1b, T1c * T1d); + T21 = FNMS(T1c, T1b, T1a * T1d); + } + { + E T1h, T1j, T1g, T1i; + T1h = rio[WS(ios, 3)]; + T1j = iio[-WS(ios, 12)]; + T1g = W[4]; + T1i = W[5]; + T1k = FMA(T1g, T1h, T1i * T1j); + T1W = FNMS(T1i, T1h, T1g * T1j); + } + T1f = T19 + T1e; + T1q = T1k + T1p; + T2B = T1f - T1q; + T2C = T20 + T21; + T2D = T1W + T1X; + T2E = T2C - T2D; + { + E T1V, T1Y, T22, T23; + T1V = T19 - T1e; + T1Y = T1W - T1X; + T1Z = T1V - T1Y; + T2j = T1V + T1Y; + T22 = T20 - T21; + T23 = T1k - T1p; + T24 = T22 + T23; + T2k = T22 - T23; + } + } + { + E T1J, T27, T3g, T3i, T26, T3h, T2a, T3d; + { + E T1x, T1I, T3e, T3f; + T1x = T1t - T1w; + T1I = KP707106781 * (T1C - T1H); + T1J = T1x + T1I; + T27 = T1x - T1I; + T3e = KP707106781 * (T2d - T2c); + T3f = T38 + T37; + T3g = T3e + T3f; + T3i = T3f - T3e; + } + { + E T1U, T25, T28, T29; + T1U = FMA(KP923879532, T1O, KP382683432 * T1T); + T25 = FNMS(KP923879532, T24, KP382683432 * T1Z); + T26 = T1U + T25; + T3h = T25 - T1U; + T28 = FNMS(KP923879532, T1T, KP382683432 * T1O); + T29 = FMA(KP382683432, T24, KP923879532 * T1Z); + T2a = T28 - T29; + T3d = T28 + T29; + } + iio[-WS(ios, 11)] = T1J - T26; + rio[WS(ios, 11)] = T3d - T3g; + rio[WS(ios, 3)] = T1J + T26; + iio[-WS(ios, 3)] = T3d + T3g; + iio[-WS(ios, 15)] = T27 - T2a; + rio[WS(ios, 15)] = T3h - T3i; + rio[WS(ios, 7)] = T27 + T2a; + iio[-WS(ios, 7)] = T3h + T3i; + } + { + E T2v, T2H, T32, T34, T2G, T33, T2K, T2Z; + { + E T2r, T2u, T30, T31; + T2r = T7 - Ti; + T2u = T2s - T2t; + T2v = T2r + T2u; + T2H = T2r - T2u; + T30 = TF - Tu; + T31 = T2U - T2R; + T32 = T30 + T31; + T34 = T31 - T30; + } + { + E T2A, T2F, T2I, T2J; + T2A = T2w + T2z; + T2F = T2B - T2E; + T2G = KP707106781 * (T2A + T2F); + T33 = KP707106781 * (T2F - T2A); + T2I = T2z - T2w; + T2J = T2B + T2E; + T2K = KP707106781 * (T2I - T2J); + T2Z = KP707106781 * (T2I + T2J); + } + iio[-WS(ios, 10)] = T2v - T2G; + rio[WS(ios, 10)] = T2Z - T32; + rio[WS(ios, 2)] = T2v + T2G; + iio[-WS(ios, 2)] = T2Z + T32; + iio[-WS(ios, 14)] = T2H - T2K; + rio[WS(ios, 14)] = T33 - T34; + rio[WS(ios, 6)] = T2H + T2K; + iio[-WS(ios, 6)] = T33 + T34; + } + { + E T2f, T2n, T3a, T3c, T2m, T3b, T2q, T35; + { + E T2b, T2e, T36, T39; + T2b = T1t + T1w; + T2e = KP707106781 * (T2c + T2d); + T2f = T2b + T2e; + T2n = T2b - T2e; + T36 = KP707106781 * (T1C + T1H); + T39 = T37 - T38; + T3a = T36 + T39; + T3c = T39 - T36; + } + { + E T2i, T2l, T2o, T2p; + T2i = FMA(KP382683432, T2g, KP923879532 * T2h); + T2l = FNMS(KP382683432, T2k, KP923879532 * T2j); + T2m = T2i + T2l; + T3b = T2l - T2i; + T2o = FNMS(KP382683432, T2h, KP923879532 * T2g); + T2p = FMA(KP923879532, T2k, KP382683432 * T2j); + T2q = T2o - T2p; + T35 = T2o + T2p; + } + iio[-WS(ios, 9)] = T2f - T2m; + rio[WS(ios, 9)] = T35 - T3a; + rio[WS(ios, 1)] = T2f + T2m; + iio[-WS(ios, 1)] = T35 + T3a; + iio[-WS(ios, 13)] = T2n - T2q; + rio[WS(ios, 13)] = T3b - T3c; + rio[WS(ios, 5)] = T2n + T2q; + iio[-WS(ios, 5)] = T3b + T3c; + } + { + E TH, T2L, T2W, T2Y, T1s, T2X, T2O, T2P; + { + E Tj, TG, T2Q, T2V; + Tj = T7 + Ti; + TG = Tu + TF; + TH = Tj + TG; + T2L = Tj - TG; + T2Q = T2s + T2t; + T2V = T2R + T2U; + T2W = T2Q + T2V; + T2Y = T2V - T2Q; + } + { + E T14, T1r, T2M, T2N; + T14 = TS + T13; + T1r = T1f + T1q; + T1s = T14 + T1r; + T2X = T1r - T14; + T2M = T2x + T2y; + T2N = T2C + T2D; + T2O = T2M - T2N; + T2P = T2M + T2N; + } + iio[-WS(ios, 8)] = TH - T1s; + rio[WS(ios, 8)] = T2P - T2W; + rio[0] = TH + T1s; + iio[0] = T2P + T2W; + iio[-WS(ios, 12)] = T2L - T2O; + rio[WS(ios, 12)] = T2X - T2Y; + rio[WS(ios, 4)] = T2L + T2O; + iio[-WS(ios, 4)] = T2X + T2Y; + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_FULL, 0, 16}, + {TW_NEXT, 1, 0} +}; + +static const hc2hc_desc desc = { 16, "hf_16", twinstr, {136, 46, 38, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_hf_16) (planner *p) { + X(khc2hc_dit_register) (p, hf_16, &desc); +} |