From 30755b92afeae5a5a32860b4f4297180f6d3398d Mon Sep 17 00:00:00 2001 From: John Glover Date: Mon, 18 Oct 2010 17:32:05 +0100 Subject: Moved project over to Git --- sndobj/rfftw/fhf_6.c | 299 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 299 insertions(+) create mode 100644 sndobj/rfftw/fhf_6.c (limited to 'sndobj/rfftw/fhf_6.c') diff --git a/sndobj/rfftw/fhf_6.c b/sndobj/rfftw/fhf_6.c new file mode 100644 index 0000000..62c31f1 --- /dev/null +++ b/sndobj/rfftw/fhf_6.c @@ -0,0 +1,299 @@ +/* + * Copyright (c) 1997-1999 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 Sun Nov 7 20:44:45 EST 1999 */ + +#include +#include + +/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-forward 6 */ + +/* + * This function contains 72 FP additions, 36 FP multiplications, + * (or, 54 additions, 18 multiplications, 18 fused multiply/add), + * 23 stack variables, and 48 memory accesses + */ +static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); +static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); + +/* + * Generator Id's : + * $Id: fhf_6.c,v 1.1.1.1 2006/05/12 15:14:55 veplaini Exp $ + * $Id: fhf_6.c,v 1.1.1.1 2006/05/12 15:14:55 veplaini Exp $ + * $Id: fhf_6.c,v 1.1.1.1 2006/05/12 15:14:55 veplaini Exp $ + */ + +void fftw_hc2hc_forward_6(fftw_real *A, const fftw_complex *W, int iostride, int m, int dist) +{ + int i; + fftw_real *X; + fftw_real *Y; + X = A; + Y = A + (6 * iostride); + { + fftw_real tmp71; + fftw_real tmp81; + fftw_real tmp77; + fftw_real tmp79; + fftw_real tmp74; + fftw_real tmp80; + fftw_real tmp69; + fftw_real tmp70; + fftw_real tmp78; + fftw_real tmp82; + ASSERT_ALIGNED_DOUBLE; + tmp69 = X[0]; + tmp70 = X[3 * iostride]; + tmp71 = tmp69 - tmp70; + tmp81 = tmp69 + tmp70; + { + fftw_real tmp75; + fftw_real tmp76; + fftw_real tmp72; + fftw_real tmp73; + ASSERT_ALIGNED_DOUBLE; + tmp75 = X[4 * iostride]; + tmp76 = X[iostride]; + tmp77 = tmp75 - tmp76; + tmp79 = tmp75 + tmp76; + tmp72 = X[2 * iostride]; + tmp73 = X[5 * iostride]; + tmp74 = tmp72 - tmp73; + tmp80 = tmp72 + tmp73; + } + Y[-iostride] = K866025403 * (tmp77 - tmp74); + tmp78 = tmp74 + tmp77; + X[iostride] = tmp71 - (K500000000 * tmp78); + X[3 * iostride] = tmp71 + tmp78; + Y[-2 * iostride] = -(K866025403 * (tmp79 - tmp80)); + tmp82 = tmp80 + tmp79; + X[2 * iostride] = tmp81 - (K500000000 * tmp82); + X[0] = tmp81 + tmp82; + } + X = X + dist; + Y = Y - dist; + for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 5) { + fftw_real tmp19; + fftw_real tmp43; + fftw_real tmp62; + fftw_real tmp66; + fftw_real tmp41; + fftw_real tmp45; + fftw_real tmp53; + fftw_real tmp57; + fftw_real tmp30; + fftw_real tmp44; + fftw_real tmp50; + fftw_real tmp56; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp13; + fftw_real tmp61; + fftw_real tmp18; + fftw_real tmp60; + ASSERT_ALIGNED_DOUBLE; + tmp13 = X[0]; + tmp61 = Y[-5 * iostride]; + { + fftw_real tmp15; + fftw_real tmp17; + fftw_real tmp14; + fftw_real tmp16; + ASSERT_ALIGNED_DOUBLE; + tmp15 = X[3 * iostride]; + tmp17 = Y[-2 * iostride]; + tmp14 = c_re(W[2]); + tmp16 = c_im(W[2]); + tmp18 = (tmp14 * tmp15) - (tmp16 * tmp17); + tmp60 = (tmp16 * tmp15) + (tmp14 * tmp17); + } + tmp19 = tmp13 - tmp18; + tmp43 = tmp13 + tmp18; + tmp62 = tmp60 + tmp61; + tmp66 = tmp61 - tmp60; + } + { + fftw_real tmp35; + fftw_real tmp51; + fftw_real tmp40; + fftw_real tmp52; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp32; + fftw_real tmp34; + fftw_real tmp31; + fftw_real tmp33; + ASSERT_ALIGNED_DOUBLE; + tmp32 = X[4 * iostride]; + tmp34 = Y[-iostride]; + tmp31 = c_re(W[3]); + tmp33 = c_im(W[3]); + tmp35 = (tmp31 * tmp32) - (tmp33 * tmp34); + tmp51 = (tmp33 * tmp32) + (tmp31 * tmp34); + } + { + fftw_real tmp37; + fftw_real tmp39; + fftw_real tmp36; + fftw_real tmp38; + ASSERT_ALIGNED_DOUBLE; + tmp37 = X[iostride]; + tmp39 = Y[-4 * iostride]; + tmp36 = c_re(W[0]); + tmp38 = c_im(W[0]); + tmp40 = (tmp36 * tmp37) - (tmp38 * tmp39); + tmp52 = (tmp38 * tmp37) + (tmp36 * tmp39); + } + tmp41 = tmp35 - tmp40; + tmp45 = tmp35 + tmp40; + tmp53 = tmp51 + tmp52; + tmp57 = tmp51 - tmp52; + } + { + fftw_real tmp24; + fftw_real tmp48; + fftw_real tmp29; + fftw_real tmp49; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp21; + fftw_real tmp23; + fftw_real tmp20; + fftw_real tmp22; + ASSERT_ALIGNED_DOUBLE; + tmp21 = X[2 * iostride]; + tmp23 = Y[-3 * iostride]; + tmp20 = c_re(W[1]); + tmp22 = c_im(W[1]); + tmp24 = (tmp20 * tmp21) - (tmp22 * tmp23); + tmp48 = (tmp22 * tmp21) + (tmp20 * tmp23); + } + { + fftw_real tmp26; + fftw_real tmp28; + fftw_real tmp25; + fftw_real tmp27; + ASSERT_ALIGNED_DOUBLE; + tmp26 = X[5 * iostride]; + tmp28 = Y[0]; + tmp25 = c_re(W[4]); + tmp27 = c_im(W[4]); + tmp29 = (tmp25 * tmp26) - (tmp27 * tmp28); + tmp49 = (tmp27 * tmp26) + (tmp25 * tmp28); + } + tmp30 = tmp24 - tmp29; + tmp44 = tmp24 + tmp29; + tmp50 = tmp48 + tmp49; + tmp56 = tmp48 - tmp49; + } + { + fftw_real tmp58; + fftw_real tmp42; + fftw_real tmp55; + fftw_real tmp68; + fftw_real tmp65; + fftw_real tmp67; + ASSERT_ALIGNED_DOUBLE; + tmp58 = K866025403 * (tmp56 - tmp57); + tmp42 = tmp30 + tmp41; + tmp55 = tmp19 - (K500000000 * tmp42); + Y[-3 * iostride] = tmp19 + tmp42; + X[iostride] = tmp55 + tmp58; + Y[-5 * iostride] = tmp55 - tmp58; + tmp68 = K866025403 * (tmp41 - tmp30); + tmp65 = tmp56 + tmp57; + tmp67 = tmp66 - (K500000000 * tmp65); + X[3 * iostride] = -(tmp65 + tmp66); + Y[-iostride] = tmp68 + tmp67; + X[5 * iostride] = -(tmp67 - tmp68); + } + { + fftw_real tmp54; + fftw_real tmp46; + fftw_real tmp47; + fftw_real tmp63; + fftw_real tmp59; + fftw_real tmp64; + ASSERT_ALIGNED_DOUBLE; + tmp54 = K866025403 * (tmp50 - tmp53); + tmp46 = tmp44 + tmp45; + tmp47 = tmp43 - (K500000000 * tmp46); + X[0] = tmp43 + tmp46; + Y[-4 * iostride] = tmp47 + tmp54; + X[2 * iostride] = tmp47 - tmp54; + tmp63 = K866025403 * (tmp45 - tmp44); + tmp59 = tmp50 + tmp53; + tmp64 = tmp62 - (K500000000 * tmp59); + Y[0] = tmp59 + tmp62; + Y[-2 * iostride] = tmp64 - tmp63; + X[4 * iostride] = -(tmp63 + tmp64); + } + } + if (i == m) { + fftw_real tmp1; + fftw_real tmp11; + fftw_real tmp4; + fftw_real tmp9; + fftw_real tmp8; + fftw_real tmp10; + fftw_real tmp5; + fftw_real tmp12; + ASSERT_ALIGNED_DOUBLE; + tmp1 = X[0]; + tmp11 = X[3 * iostride]; + { + fftw_real tmp2; + fftw_real tmp3; + fftw_real tmp6; + fftw_real tmp7; + ASSERT_ALIGNED_DOUBLE; + tmp2 = X[2 * iostride]; + tmp3 = X[4 * iostride]; + tmp4 = tmp2 - tmp3; + tmp9 = K866025403 * (tmp2 + tmp3); + tmp6 = X[iostride]; + tmp7 = X[5 * iostride]; + tmp8 = K866025403 * (tmp6 - tmp7); + tmp10 = tmp6 + tmp7; + } + X[iostride] = tmp1 - tmp4; + tmp5 = tmp1 + (K500000000 * tmp4); + X[2 * iostride] = tmp5 - tmp8; + X[0] = tmp5 + tmp8; + Y[-iostride] = tmp11 - tmp10; + tmp12 = (K500000000 * tmp10) + tmp11; + Y[0] = -(tmp9 + tmp12); + Y[-2 * iostride] = tmp9 - tmp12; + } +} + +static const int twiddle_order[] = +{1, 2, 3, 4, 5}; +fftw_codelet_desc fftw_hc2hc_forward_6_desc = +{ + "fftw_hc2hc_forward_6", + (void (*)()) fftw_hc2hc_forward_6, + 6, + FFTW_FORWARD, + FFTW_HC2HC, + 135, + 5, + twiddle_order, +}; -- cgit v1.2.3