diff options
Diffstat (limited to 'src/fftw3/rdft/codelets/hc2r/hb_16.c')
-rw-r--r-- | src/fftw3/rdft/codelets/hc2r/hb_16.c | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/hc2r/hb_16.c b/src/fftw3/rdft/codelets/hc2r/hb_16.c new file mode 100644 index 0000000..7fffeb9 --- /dev/null +++ b/src/fftw3/rdft/codelets/hc2r/hb_16.c @@ -0,0 +1,412 @@ +/* + * 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 22:11:37 EDT 2003 */ + +#include "codelet-rdft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -sign 1 -n 16 -dif -name hb_16 -include hb.h */ + +/* + * This function contains 174 FP additions, 84 FP multiplications, + * (or, 136 additions, 46 multiplications, 38 fused multiply/add), + * 50 stack variables, and 64 memory accesses + */ +/* + * Generator Id's : + * $Id: hb_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hb_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + * $Id: hb_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $ + */ + +#include "hb.h" + +static const R *hb_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, T2K, T30, Tw, T1a, T2e, T2k, T1B, Te, TD, T1C, T13, T2n, T2Z, T2b; + E T2L, Tm, T1v, TN, T10, T1W, T2p, T2P, T2W, Tt, T1w, TW, T11, T23, T2q; + E T2S, T2X; + { + E T3, T2c, T16, T2j, T6, T2i, T19, T2d; + { + E T1, T2, T14, T15; + T1 = rio[0]; + T2 = iio[-WS(ios, 8)]; + T3 = T1 + T2; + T2c = T1 - T2; + T14 = iio[0]; + T15 = rio[WS(ios, 8)]; + T16 = T14 - T15; + T2j = T14 + T15; + } + { + E T4, T5, T17, T18; + T4 = rio[WS(ios, 4)]; + T5 = iio[-WS(ios, 12)]; + T6 = T4 + T5; + T2i = T4 - T5; + T17 = iio[-WS(ios, 4)]; + T18 = rio[WS(ios, 12)]; + T19 = T17 - T18; + T2d = T17 + T18; + } + T7 = T3 + T6; + T2K = T2j - T2i; + T30 = T2c + T2d; + Tw = T3 - T6; + T1a = T16 - T19; + T2e = T2c - T2d; + T2k = T2i + T2j; + T1B = T16 + T19; + } + { + E Ta, T29, Tz, T28, Td, T25, TC, T26; + { + E T8, T9, Tx, Ty; + T8 = rio[WS(ios, 2)]; + T9 = iio[-WS(ios, 10)]; + Ta = T8 + T9; + T29 = T8 - T9; + Tx = iio[-WS(ios, 2)]; + Ty = rio[WS(ios, 10)]; + Tz = Tx - Ty; + T28 = Tx + Ty; + } + { + E Tb, Tc, TA, TB; + Tb = iio[-WS(ios, 14)]; + Tc = rio[WS(ios, 6)]; + Td = Tb + Tc; + T25 = Tb - Tc; + TA = iio[-WS(ios, 6)]; + TB = rio[WS(ios, 14)]; + TC = TA - TB; + T26 = TB + TA; + } + Te = Ta + Td; + TD = Tz - TC; + T1C = Tz + TC; + T13 = Td - Ta; + { + E T2l, T2m, T27, T2a; + T2l = T29 + T28; + T2m = T25 + T26; + T2n = KP707106781 * (T2l - T2m); + T2Z = KP707106781 * (T2l + T2m); + T27 = T25 - T26; + T2a = T28 - T29; + T2b = KP707106781 * (T27 - T2a); + T2L = KP707106781 * (T2a + T27); + } + } + { + E Ti, T1Q, TI, T1U, Tl, T1T, TL, T1R, TF, TM; + { + E Tg, Th, TG, TH; + Tg = rio[WS(ios, 1)]; + Th = iio[-WS(ios, 9)]; + Ti = Tg + Th; + T1Q = Tg - Th; + TG = iio[-WS(ios, 1)]; + TH = rio[WS(ios, 9)]; + TI = TG - TH; + T1U = TG + TH; + } + { + E Tj, Tk, TJ, TK; + Tj = rio[WS(ios, 5)]; + Tk = iio[-WS(ios, 13)]; + Tl = Tj + Tk; + T1T = Tj - Tk; + TJ = iio[-WS(ios, 5)]; + TK = rio[WS(ios, 13)]; + TL = TJ - TK; + T1R = TJ + TK; + } + Tm = Ti + Tl; + T1v = TI + TL; + TF = Ti - Tl; + TM = TI - TL; + TN = TF + TM; + T10 = TM - TF; + { + E T1S, T1V, T2N, T2O; + T1S = T1Q - T1R; + T1V = T1T + T1U; + T1W = FNMS(KP382683432, T1V, KP923879532 * T1S); + T2p = FMA(KP923879532, T1V, KP382683432 * T1S); + T2N = T1U - T1T; + T2O = T1Q + T1R; + T2P = FNMS(KP382683432, T2O, KP923879532 * T2N); + T2W = FMA(KP382683432, T2N, KP923879532 * T2O); + } + } + { + E Tp, T1X, TR, T21, Ts, T20, TU, T1Y, TO, TV; + { + E Tn, To, TP, TQ; + Tn = iio[-WS(ios, 15)]; + To = rio[WS(ios, 7)]; + Tp = Tn + To; + T1X = Tn - To; + TP = iio[-WS(ios, 7)]; + TQ = rio[WS(ios, 15)]; + TR = TP - TQ; + T21 = TQ + TP; + } + { + E Tq, Tr, TS, TT; + Tq = rio[WS(ios, 3)]; + Tr = iio[-WS(ios, 11)]; + Ts = Tq + Tr; + T20 = Tq - Tr; + TS = iio[-WS(ios, 3)]; + TT = rio[WS(ios, 11)]; + TU = TS - TT; + T1Y = TS + TT; + } + Tt = Tp + Ts; + T1w = TU + TR; + TO = Tp - Ts; + TV = TR - TU; + TW = TO - TV; + T11 = TO + TV; + { + E T1Z, T22, T2Q, T2R; + T1Z = T1X - T1Y; + T22 = T20 - T21; + T23 = FMA(KP923879532, T1Z, KP382683432 * T22); + T2q = FNMS(KP382683432, T1Z, KP923879532 * T22); + T2Q = T1X + T1Y; + T2R = T20 + T21; + T2S = FNMS(KP923879532, T2R, KP382683432 * T2Q); + T2X = FMA(KP923879532, T2Q, KP382683432 * T2R); + } + } + { + E Tf, Tu, T1K, T1M, T1N, T1O, T1J, T1L; + Tf = T7 + Te; + Tu = Tm + Tt; + T1K = Tf - Tu; + T1M = T1C + T1B; + T1N = T1v + T1w; + T1O = T1M - T1N; + rio[0] = Tf + Tu; + iio[-WS(ios, 15)] = T1N + T1M; + T1J = W[14]; + T1L = W[15]; + rio[WS(ios, 8)] = FNMS(T1L, T1O, T1J * T1K); + iio[-WS(ios, 7)] = FMA(T1L, T1K, T1J * T1O); + } + { + E T2U, T36, T32, T34; + { + E T2M, T2T, T2Y, T31; + T2M = T2K + T2L; + T2T = T2P + T2S; + T2U = T2M + T2T; + T36 = T2M - T2T; + T2Y = T2W + T2X; + T31 = T2Z + T30; + T32 = T2Y + T31; + T34 = T31 - T2Y; + } + { + E T2J, T2V, T33, T35; + T2J = W[28]; + T2V = W[29]; + iio[0] = FMA(T2J, T2U, T2V * T32); + rio[WS(ios, 15)] = FNMS(T2V, T2U, T2J * T32); + T33 = W[12]; + T35 = W[13]; + rio[WS(ios, 7)] = FNMS(T35, T36, T33 * T34); + iio[-WS(ios, 8)] = FMA(T33, T36, T35 * T34); + } + } + { + E TY, T1e, T1c, T1g; + { + E TE, TX, T12, T1b; + TE = Tw + TD; + TX = KP707106781 * (TN + TW); + TY = TE + TX; + T1e = TE - TX; + T12 = KP707106781 * (T10 + T11); + T1b = T13 + T1a; + T1c = T12 + T1b; + T1g = T1b - T12; + } + { + E Tv, TZ, T1d, T1f; + Tv = W[26]; + TZ = W[27]; + rio[WS(ios, 14)] = FNMS(TZ, T1c, Tv * TY); + iio[-WS(ios, 1)] = FMA(TZ, TY, Tv * T1c); + T1d = W[10]; + T1f = W[11]; + rio[WS(ios, 6)] = FNMS(T1f, T1g, T1d * T1e); + iio[-WS(ios, 9)] = FMA(T1f, T1e, T1d * T1g); + } + } + { + E T2g, T2w, T2s, T2u; + { + E T24, T2f, T2o, T2r; + T24 = T1W + T23; + T2f = T2b + T2e; + T2g = T24 + T2f; + T2w = T2f - T24; + T2o = T2k + T2n; + T2r = T2p + T2q; + T2s = T2o + T2r; + T2u = T2o - T2r; + } + { + E T1P, T2h, T2t, T2v; + T1P = W[0]; + T2h = W[1]; + rio[WS(ios, 1)] = FNMS(T2h, T2s, T1P * T2g); + iio[-WS(ios, 14)] = FMA(T1P, T2s, T2h * T2g); + T2t = W[16]; + T2v = W[17]; + iio[-WS(ios, 6)] = FMA(T2t, T2u, T2v * T2w); + rio[WS(ios, 9)] = FNMS(T2v, T2u, T2t * T2w); + } + } + { + E T1k, T1q, T1o, T1s; + { + E T1i, T1j, T1m, T1n; + T1i = Tw - TD; + T1j = KP707106781 * (T11 - T10); + T1k = T1i + T1j; + T1q = T1i - T1j; + T1m = KP707106781 * (TN - TW); + T1n = T1a - T13; + T1o = T1m + T1n; + T1s = T1n - T1m; + } + { + E T1h, T1l, T1p, T1r; + T1h = W[2]; + T1l = W[3]; + rio[WS(ios, 2)] = FNMS(T1l, T1o, T1h * T1k); + iio[-WS(ios, 13)] = FMA(T1l, T1k, T1h * T1o); + T1p = W[18]; + T1r = W[19]; + rio[WS(ios, 10)] = FNMS(T1r, T1s, T1p * T1q); + iio[-WS(ios, 5)] = FMA(T1r, T1q, T1p * T1s); + } + } + { + E T2A, T2I, T2E, T2G; + { + E T2y, T2z, T2C, T2D; + T2y = T2k - T2n; + T2z = T23 - T1W; + T2A = T2y + T2z; + T2I = T2y - T2z; + T2C = T2p - T2q; + T2D = T2e - T2b; + T2E = T2C + T2D; + T2G = T2D - T2C; + } + { + E T2x, T2B, T2F, T2H; + T2x = W[24]; + T2B = W[25]; + iio[-WS(ios, 2)] = FMA(T2x, T2A, T2B * T2E); + rio[WS(ios, 13)] = FNMS(T2B, T2A, T2x * T2E); + T2F = W[8]; + T2H = W[9]; + rio[WS(ios, 5)] = FNMS(T2H, T2I, T2F * T2G); + iio[-WS(ios, 10)] = FMA(T2F, T2I, T2H * T2G); + } + } + { + E T1y, T1G, T1E, T1I; + { + E T1u, T1x, T1A, T1D; + T1u = T7 - Te; + T1x = T1v - T1w; + T1y = T1u + T1x; + T1G = T1u - T1x; + T1A = Tt - Tm; + T1D = T1B - T1C; + T1E = T1A + T1D; + T1I = T1D - T1A; + } + { + E T1t, T1z, T1F, T1H; + T1t = W[22]; + T1z = W[23]; + rio[WS(ios, 12)] = FNMS(T1z, T1E, T1t * T1y); + iio[-WS(ios, 3)] = FMA(T1z, T1y, T1t * T1E); + T1F = W[6]; + T1H = W[7]; + rio[WS(ios, 4)] = FNMS(T1H, T1I, T1F * T1G); + iio[-WS(ios, 11)] = FMA(T1H, T1G, T1F * T1I); + } + } + { + E T3a, T3i, T3e, T3g; + { + E T38, T39, T3c, T3d; + T38 = T2S - T2P; + T39 = T30 - T2Z; + T3a = T38 + T39; + T3i = T39 - T38; + T3c = T2K - T2L; + T3d = T2W - T2X; + T3e = T3c + T3d; + T3g = T3c - T3d; + } + { + E T37, T3b, T3f, T3h; + T37 = W[4]; + T3b = W[5]; + rio[WS(ios, 3)] = FNMS(T3b, T3e, T37 * T3a); + iio[-WS(ios, 12)] = FMA(T37, T3e, T3b * T3a); + T3f = W[20]; + T3h = W[21]; + iio[-WS(ios, 4)] = FMA(T3f, T3g, T3h * T3i); + rio[WS(ios, 11)] = FNMS(T3h, T3g, T3f * T3i); + } + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_FULL, 0, 16}, + {TW_NEXT, 1, 0} +}; + +static const hc2hc_desc desc = { 16, "hb_16", twinstr, {136, 46, 38, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_hb_16) (planner *p) { + X(khc2hc_dif_register) (p, hb_16, &desc); +} |