diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/hf2_16.c')
| -rw-r--r-- | src/fftw3/rdft/codelets/r2hc/hf2_16.c | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/hf2_16.c b/src/fftw3/rdft/codelets/r2hc/hf2_16.c new file mode 100644 index 0000000..47323ee --- /dev/null +++ b/src/fftw3/rdft/codelets/r2hc/hf2_16.c @@ -0,0 +1,411 @@ +/* + * 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 21:57:30 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -twiddle-log3 -n 16 -dit -name hf2_16 -include hf.h */ + +/* + * This function contains 196 FP additions, 108 FP multiplications, + * (or, 156 additions, 68 multiplications, 40 fused multiply/add), + * 104 stack variables, and 64 memory accesses + */ +/* + * Generator Id's : + * $Id: hf2_16.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: hf2_16.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + * $Id: hf2_16.c,v 1.1 2008/10/17 06:12:34 scuri Exp $ + */ + +#include "hf.h" + +static const R *hf2_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 + 8) { + E T1, T3d, T18, T26, T29, T2R, Tq, T1r, T1E, T2k, T2g, T1O, Te, T3c, Tz; + E T1P, T1S, T1T, T1U, TG, TL, T1V, T1Y, T1Z, T20, TT, TY, T1X, T1A, T2l; + E T1J, T2h, T1h, T2b, T1m, T2a; + T1 = rio[0]; + T3d = iio[-WS(ios, 15)]; + { + E T9, T1z, Td, T1v, T1I, Tl, Tp, T1G, Tu, T1D, TD, Ty, T1C, T1l, TX; + E TK, T1g, TI, T1j, TF, T1c, TQ, TS, T1p, T1q, TV, T2, T5, Ti, Tg; + E T4, Tw, Ts, Ta, Tv, T7, Tb, Tr, Tk, TW, TJ, TC, TU, To, TE; + E TH, T14, T24, T17, T25, TN, TO, TP, TR; + T9 = rio[WS(ios, 8)]; + T1z = iio[-WS(ios, 8)]; + Td = iio[-WS(ios, 7)]; + T1v = rio[WS(ios, 7)]; + T1I = iio[-WS(ios, 4)]; + Tl = rio[WS(ios, 4)]; + Tp = iio[-WS(ios, 11)]; + T1G = rio[WS(ios, 11)]; + Tu = rio[WS(ios, 12)]; + T1D = iio[-WS(ios, 12)]; + TD = rio[WS(ios, 2)]; + Ty = iio[-WS(ios, 3)]; + T1C = rio[WS(ios, 3)]; + T1l = iio[-WS(ios, 2)]; + TX = iio[-WS(ios, 9)]; + TK = iio[-WS(ios, 5)]; + T1g = iio[-WS(ios, 10)]; + TI = rio[WS(ios, 10)]; + T1j = rio[WS(ios, 13)]; + TF = iio[-WS(ios, 13)]; + T1c = rio[WS(ios, 5)]; + TQ = rio[WS(ios, 14)]; + TS = iio[-WS(ios, 1)]; + T1p = rio[WS(ios, 15)]; + T1q = iio[0]; + TV = rio[WS(ios, 6)]; + { + E T12, T16, T13, T15, T3, T6, Tm, Tj, Tn, Th; + T12 = rio[WS(ios, 1)]; + T16 = iio[-WS(ios, 6)]; + T13 = iio[-WS(ios, 14)]; + T15 = rio[WS(ios, 9)]; + T2 = W[4]; + T5 = W[5]; + T3 = W[0]; + T6 = W[1]; + Ti = W[3]; + Tg = W[2]; + T4 = T2 * T3; + Tw = T5 * Tg; + Ts = T5 * Ti; + Ta = T2 * T6; + Tv = T2 * Ti; + T7 = T5 * T6; + Tb = T5 * T3; + Tr = T2 * Tg; + Tm = Tg * T6; + Tj = Ti * T6; + Tn = Ti * T3; + Th = Tg * T3; + Tk = Th - Tj; + TW = Tv - Tw; + TJ = Ta + Tb; + TC = Th + Tj; + TU = Tr + Ts; + To = Tm + Tn; + TE = Tm - Tn; + TH = T4 - T7; + T14 = FMA(T3, T12, T6 * T13); + T24 = FNMS(T6, T12, T3 * T13); + T17 = FMA(T2, T15, T5 * T16); + T25 = FNMS(T5, T15, T2 * T16); + TN = W[6]; + TO = W[7]; + TP = FMA(TN, T3, TO * T6); + TR = FNMS(TO, T3, TN * T6); + } + T18 = T14 + T17; + T26 = T24 - T25; + T29 = T14 - T17; + T2R = T24 + T25; + Tq = FMA(Tk, Tl, To * Tp); + T1r = FMA(TN, T1p, TO * T1q); + T1E = FMA(Tg, T1C, Ti * T1D); + T2k = FNMS(TO, T1p, TN * T1q); + T2g = FNMS(Ti, T1C, Tg * T1D); + { + E T8, Tc, Tt, Tx; + T1O = FNMS(To, Tl, Tk * Tp); + T8 = T4 + T7; + Tc = Ta - Tb; + Te = FNMS(Tc, Td, T8 * T9); + T3c = FMA(Tc, T9, T8 * Td); + Tt = Tr - Ts; + Tx = Tv + Tw; + Tz = FMA(Tt, Tu, Tx * Ty); + T1P = FNMS(Tx, Tu, Tt * Ty); + T1S = FMA(TE, TD, TC * TF); + T1T = FNMS(TJ, TI, TH * TK); + T1U = T1S - T1T; + } + TG = FNMS(TE, TF, TC * TD); + TL = FMA(TH, TI, TJ * TK); + T1V = TG - TL; + T1Y = FMA(TR, TQ, TP * TS); + T1Z = FMA(TW, TV, TU * TX); + T20 = T1Y - T1Z; + TT = FNMS(TR, TS, TP * TQ); + TY = FNMS(TW, TX, TU * TV); + T1X = TT - TY; + { + E T1u, T1F, T1y, T1H; + { + E T1s, T1t, T1w, T1x; + T1s = T2 * TC; + T1t = T5 * TE; + T1u = T1s - T1t; + T1F = T1s + T1t; + T1w = T2 * TE; + T1x = T5 * TC; + T1y = T1w + T1x; + T1H = T1w - T1x; + } + T1A = FMA(T1u, T1v, T1y * T1z); + T2l = FNMS(T1y, T1v, T1u * T1z); + T1J = FNMS(T1H, T1I, T1F * T1G); + T2h = FMA(T1H, T1G, T1F * T1I); + } + { + E T1b, T1i, T1f, T1k; + { + E T19, T1a, T1d, T1e; + T19 = T2 * Tk; + T1a = T5 * To; + T1b = T19 + T1a; + T1i = T19 - T1a; + T1d = T2 * To; + T1e = T5 * Tk; + T1f = T1d - T1e; + T1k = T1d + T1e; + } + T1h = FNMS(T1f, T1g, T1b * T1c); + T2b = FNMS(T1k, T1j, T1i * T1l); + T1m = FMA(T1i, T1j, T1k * T1l); + T2a = FMA(T1f, T1c, T1b * T1g); + } + } + { + E TB, T2L, T10, T3k, T3f, T3l, T2O, T3a, T1o, T36, T2U, T32, T1L, T37, T2Z; + E T33; + { + E Tf, TA, T2M, T2N; + Tf = T1 + Te; + TA = Tq + Tz; + TB = Tf + TA; + T2L = Tf - TA; + { + E TM, TZ, T3b, T3e; + TM = TG + TL; + TZ = TT + TY; + T10 = TM + TZ; + T3k = TZ - TM; + T3b = T1O + T1P; + T3e = T3c + T3d; + T3f = T3b + T3e; + T3l = T3e - T3b; + } + T2M = T1S + T1T; + T2N = T1Y + T1Z; + T2O = T2M - T2N; + T3a = T2M + T2N; + { + E T1n, T2Q, T2S, T2T; + T1n = T1h + T1m; + T2Q = T18 - T1n; + T2S = T2a + T2b; + T2T = T2R - T2S; + T1o = T18 + T1n; + T36 = T2R + T2S; + T2U = T2Q + T2T; + T32 = T2T - T2Q; + } + { + E T1B, T1K, T2V, T2W, T2X, T2Y; + T1B = T1r + T1A; + T1K = T1E + T1J; + T2V = T1B - T1K; + T2W = T2k + T2l; + T2X = T2g + T2h; + T2Y = T2W - T2X; + T1L = T1B + T1K; + T37 = T2W + T2X; + T2Z = T2V - T2Y; + T33 = T2V + T2Y; + } + } + { + E T11, T1M, T39, T3g; + T11 = TB + T10; + T1M = T1o + T1L; + iio[-WS(ios, 8)] = T11 - T1M; + rio[0] = T11 + T1M; + T39 = T36 + T37; + T3g = T3a + T3f; + rio[WS(ios, 8)] = T39 - T3g; + iio[0] = T39 + T3g; + } + { + E T2P, T30, T3j, T3m; + T2P = T2L + T2O; + T30 = KP707106781 * (T2U + T2Z); + iio[-WS(ios, 10)] = T2P - T30; + rio[WS(ios, 2)] = T2P + T30; + T3j = KP707106781 * (T32 + T33); + T3m = T3k + T3l; + rio[WS(ios, 10)] = T3j - T3m; + iio[-WS(ios, 2)] = T3j + T3m; + } + { + E T31, T34, T3n, T3o; + T31 = T2L - T2O; + T34 = KP707106781 * (T32 - T33); + iio[-WS(ios, 14)] = T31 - T34; + rio[WS(ios, 6)] = T31 + T34; + T3n = KP707106781 * (T2Z - T2U); + T3o = T3l - T3k; + rio[WS(ios, 14)] = T3n - T3o; + iio[-WS(ios, 6)] = T3n + T3o; + } + { + E T35, T38, T3h, T3i; + T35 = TB - T10; + T38 = T36 - T37; + iio[-WS(ios, 12)] = T35 - T38; + rio[WS(ios, 4)] = T35 + T38; + T3h = T1L - T1o; + T3i = T3f - T3a; + rio[WS(ios, 12)] = T3h - T3i; + iio[-WS(ios, 4)] = T3h + T3i; + } + } + { + E T1R, T2v, T22, T3q, T3t, T3z, T2y, T3y, T2e, T2I, T2s, T2C, T2p, T2J, T2t; + E T2F; + { + E T1N, T1Q, T2w, T2x; + T1N = T1 - Te; + T1Q = T1O - T1P; + T1R = T1N - T1Q; + T2v = T1N + T1Q; + { + E T1W, T21, T3r, T3s; + T1W = T1U - T1V; + T21 = T1X + T20; + T22 = KP707106781 * (T1W - T21); + T3q = KP707106781 * (T1W + T21); + T3r = T3d - T3c; + T3s = Tq - Tz; + T3t = T3r - T3s; + T3z = T3s + T3r; + } + T2w = T1V + T1U; + T2x = T1X - T20; + T2y = KP707106781 * (T2w + T2x); + T3y = KP707106781 * (T2x - T2w); + { + E T28, T2A, T2d, T2B, T27, T2c; + T27 = T1h - T1m; + T28 = T26 + T27; + T2A = T26 - T27; + T2c = T2a - T2b; + T2d = T29 - T2c; + T2B = T29 + T2c; + T2e = FMA(KP923879532, T28, KP382683432 * T2d); + T2I = FNMS(KP382683432, T2B, KP923879532 * T2A); + T2s = FNMS(KP923879532, T2d, KP382683432 * T28); + T2C = FMA(KP382683432, T2A, KP923879532 * T2B); + } + { + E T2j, T2D, T2o, T2E; + { + E T2f, T2i, T2m, T2n; + T2f = T1r - T1A; + T2i = T2g - T2h; + T2j = T2f - T2i; + T2D = T2f + T2i; + T2m = T2k - T2l; + T2n = T1E - T1J; + T2o = T2m + T2n; + T2E = T2m - T2n; + } + T2p = FNMS(KP923879532, T2o, KP382683432 * T2j); + T2J = FMA(KP923879532, T2E, KP382683432 * T2D); + T2t = FMA(KP382683432, T2o, KP923879532 * T2j); + T2F = FNMS(KP382683432, T2E, KP923879532 * T2D); + } + } + { + E T23, T2q, T3x, T3A; + T23 = T1R + T22; + T2q = T2e + T2p; + iio[-WS(ios, 11)] = T23 - T2q; + rio[WS(ios, 3)] = T23 + T2q; + T3x = T2s + T2t; + T3A = T3y + T3z; + rio[WS(ios, 11)] = T3x - T3A; + iio[-WS(ios, 3)] = T3x + T3A; + } + { + E T2r, T2u, T3B, T3C; + T2r = T1R - T22; + T2u = T2s - T2t; + iio[-WS(ios, 15)] = T2r - T2u; + rio[WS(ios, 7)] = T2r + T2u; + T3B = T2p - T2e; + T3C = T3z - T3y; + rio[WS(ios, 15)] = T3B - T3C; + iio[-WS(ios, 7)] = T3B + T3C; + } + { + E T2z, T2G, T3p, T3u; + T2z = T2v + T2y; + T2G = T2C + T2F; + iio[-WS(ios, 9)] = T2z - T2G; + rio[WS(ios, 1)] = T2z + T2G; + T3p = T2I + T2J; + T3u = T3q + T3t; + rio[WS(ios, 9)] = T3p - T3u; + iio[-WS(ios, 1)] = T3p + T3u; + } + { + E T2H, T2K, T3v, T3w; + T2H = T2v - T2y; + T2K = T2I - T2J; + iio[-WS(ios, 13)] = T2H - T2K; + rio[WS(ios, 5)] = T2H + T2K; + T3v = T2F - T2C; + T3w = T3t - T3q; + rio[WS(ios, 13)] = T3v - T3w; + iio[-WS(ios, 5)] = T3v + T3w; + } + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_COS, 0, 1}, + {TW_SIN, 0, 1}, + {TW_COS, 0, 3}, + {TW_SIN, 0, 3}, + {TW_COS, 0, 9}, + {TW_SIN, 0, 9}, + {TW_COS, 0, 15}, + {TW_SIN, 0, 15}, + {TW_NEXT, 1, 0} +}; + +static const hc2hc_desc desc = { 16, "hf2_16", twinstr, {156, 68, 40, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_hf2_16) (planner *p) { + X(khc2hc_dit_register) (p, hf2_16, &desc); +} |