diff options
Diffstat (limited to 'src/fftw/ftw_7.c')
| -rw-r--r-- | src/fftw/ftw_7.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/src/fftw/ftw_7.c b/src/fftw/ftw_7.c new file mode 100644 index 0000000..390987d --- /dev/null +++ b/src/fftw/ftw_7.c @@ -0,0 +1,272 @@ +/* + * Copyright (c) 1997-1999, 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 Mon Mar 24 02:07:33 EST 2003 */ + +#include "fftw-int.h" +#include "fftw.h" + +/* Generated by: /homee/stevenj/cvs/fftw/gensrc/genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -twiddle 7 */ + +/* + * This function contains 72 FP additions, 60 FP multiplications, + * (or, 60 additions, 48 multiplications, 12 fused multiply/add), + * 24 stack variables, and 28 memory accesses + */ +static const fftw_real K222520933 = +FFTW_KONST(+0.222520933956314404288902564496794759466355569); +static const fftw_real K900968867 = +FFTW_KONST(+0.900968867902419126236102319507445051165919162); +static const fftw_real K623489801 = +FFTW_KONST(+0.623489801858733530525004884004239810632274731); +static const fftw_real K433883739 = +FFTW_KONST(+0.433883739117558120475768332848358754609990728); +static const fftw_real K974927912 = +FFTW_KONST(+0.974927912181823607018131682993931217232785801); +static const fftw_real K781831482 = +FFTW_KONST(+0.781831482468029808708444526674057750232334519); + +/* + * Generator Id's : + * $Id: ftw_7.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: ftw_7.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: ftw_7.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + */ + +void fftw_twiddle_7(fftw_complex *A, const fftw_complex *W, int iostride, + int m, int dist) +{ + int i; + fftw_complex *inout; + inout = A; + for (i = m; i > 0; i = i - 1, inout = inout + dist, W = W + 6) { + fftw_real tmp1; + fftw_real tmp53; + fftw_real tmp12; + fftw_real tmp54; + fftw_real tmp38; + fftw_real tmp50; + fftw_real tmp23; + fftw_real tmp55; + fftw_real tmp44; + fftw_real tmp51; + fftw_real tmp34; + fftw_real tmp56; + fftw_real tmp41; + fftw_real tmp52; + ASSERT_ALIGNED_DOUBLE; + tmp1 = c_re(inout[0]); + tmp53 = c_im(inout[0]); + { + fftw_real tmp6; + fftw_real tmp36; + fftw_real tmp11; + fftw_real tmp37; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp3; + fftw_real tmp5; + fftw_real tmp2; + fftw_real tmp4; + ASSERT_ALIGNED_DOUBLE; + tmp3 = c_re(inout[iostride]); + tmp5 = c_im(inout[iostride]); + tmp2 = c_re(W[0]); + tmp4 = c_im(W[0]); + tmp6 = (tmp2 * tmp3) - (tmp4 * tmp5); + tmp36 = (tmp4 * tmp3) + (tmp2 * tmp5); + } + { + fftw_real tmp8; + fftw_real tmp10; + fftw_real tmp7; + fftw_real tmp9; + ASSERT_ALIGNED_DOUBLE; + tmp8 = c_re(inout[6 * iostride]); + tmp10 = c_im(inout[6 * iostride]); + tmp7 = c_re(W[5]); + tmp9 = c_im(W[5]); + tmp11 = (tmp7 * tmp8) - (tmp9 * tmp10); + tmp37 = (tmp9 * tmp8) + (tmp7 * tmp10); + } + tmp12 = tmp6 + tmp11; + tmp54 = tmp11 - tmp6; + tmp38 = tmp36 - tmp37; + tmp50 = tmp36 + tmp37; + } + { + fftw_real tmp17; + fftw_real tmp42; + fftw_real tmp22; + fftw_real tmp43; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp14; + fftw_real tmp16; + fftw_real tmp13; + fftw_real tmp15; + ASSERT_ALIGNED_DOUBLE; + tmp14 = c_re(inout[2 * iostride]); + tmp16 = c_im(inout[2 * iostride]); + tmp13 = c_re(W[1]); + tmp15 = c_im(W[1]); + tmp17 = (tmp13 * tmp14) - (tmp15 * tmp16); + tmp42 = (tmp15 * tmp14) + (tmp13 * tmp16); + } + { + fftw_real tmp19; + fftw_real tmp21; + fftw_real tmp18; + fftw_real tmp20; + ASSERT_ALIGNED_DOUBLE; + tmp19 = c_re(inout[5 * iostride]); + tmp21 = c_im(inout[5 * iostride]); + tmp18 = c_re(W[4]); + tmp20 = c_im(W[4]); + tmp22 = (tmp18 * tmp19) - (tmp20 * tmp21); + tmp43 = (tmp20 * tmp19) + (tmp18 * tmp21); + } + tmp23 = tmp17 + tmp22; + tmp55 = tmp22 - tmp17; + tmp44 = tmp42 - tmp43; + tmp51 = tmp42 + tmp43; + } + { + fftw_real tmp28; + fftw_real tmp39; + fftw_real tmp33; + fftw_real tmp40; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp25; + fftw_real tmp27; + fftw_real tmp24; + fftw_real tmp26; + ASSERT_ALIGNED_DOUBLE; + tmp25 = c_re(inout[3 * iostride]); + tmp27 = c_im(inout[3 * iostride]); + tmp24 = c_re(W[2]); + tmp26 = c_im(W[2]); + tmp28 = (tmp24 * tmp25) - (tmp26 * tmp27); + tmp39 = (tmp26 * tmp25) + (tmp24 * tmp27); + } + { + fftw_real tmp30; + fftw_real tmp32; + fftw_real tmp29; + fftw_real tmp31; + ASSERT_ALIGNED_DOUBLE; + tmp30 = c_re(inout[4 * iostride]); + tmp32 = c_im(inout[4 * iostride]); + tmp29 = c_re(W[3]); + tmp31 = c_im(W[3]); + tmp33 = (tmp29 * tmp30) - (tmp31 * tmp32); + tmp40 = (tmp31 * tmp30) + (tmp29 * tmp32); + } + tmp34 = tmp28 + tmp33; + tmp56 = tmp33 - tmp28; + tmp41 = tmp39 - tmp40; + tmp52 = tmp39 + tmp40; + } + { + fftw_real tmp47; + fftw_real tmp46; + fftw_real tmp59; + fftw_real tmp60; + ASSERT_ALIGNED_DOUBLE; + c_re(inout[0]) = tmp1 + tmp12 + tmp23 + tmp34; + tmp47 = + (K781831482 * tmp38) + (K974927912 * tmp44) + + (K433883739 * tmp41); + tmp46 = + tmp1 + (K623489801 * tmp12) - (K900968867 * tmp34) - + (K222520933 * tmp23); + c_re(inout[6 * iostride]) = tmp46 - tmp47; + c_re(inout[iostride]) = tmp46 + tmp47; + { + fftw_real tmp49; + fftw_real tmp48; + fftw_real tmp45; + fftw_real tmp35; + ASSERT_ALIGNED_DOUBLE; + tmp49 = + (K433883739 * tmp38) + (K974927912 * tmp41) - + (K781831482 * tmp44); + tmp48 = + tmp1 + (K623489801 * tmp23) - + (K222520933 * tmp34) - (K900968867 * tmp12); + c_re(inout[4 * iostride]) = tmp48 - tmp49; + c_re(inout[3 * iostride]) = tmp48 + tmp49; + tmp45 = + (K974927912 * tmp38) - (K781831482 * tmp41) - + (K433883739 * tmp44); + tmp35 = + tmp1 + (K623489801 * tmp34) - + (K900968867 * tmp23) - (K222520933 * tmp12); + c_re(inout[5 * iostride]) = tmp35 - tmp45; + c_re(inout[2 * iostride]) = tmp35 + tmp45; + } + c_im(inout[0]) = tmp50 + tmp51 + tmp52 + tmp53; + tmp59 = + (K974927912 * tmp54) - (K781831482 * tmp56) - + (K433883739 * tmp55); + tmp60 = + (K623489801 * tmp52) + tmp53 - (K900968867 * tmp51) - + (K222520933 * tmp50); + c_im(inout[2 * iostride]) = tmp59 + tmp60; + c_im(inout[5 * iostride]) = tmp60 - tmp59; + { + fftw_real tmp61; + fftw_real tmp62; + fftw_real tmp57; + fftw_real tmp58; + ASSERT_ALIGNED_DOUBLE; + tmp61 = + (K433883739 * tmp54) + (K974927912 * tmp56) - + (K781831482 * tmp55); + tmp62 = + (K623489801 * tmp51) + tmp53 - + (K222520933 * tmp52) - (K900968867 * tmp50); + c_im(inout[3 * iostride]) = tmp61 + tmp62; + c_im(inout[4 * iostride]) = tmp62 - tmp61; + tmp57 = + (K781831482 * tmp54) + (K974927912 * tmp55) + + (K433883739 * tmp56); + tmp58 = + (K623489801 * tmp50) + tmp53 - + (K900968867 * tmp52) - (K222520933 * tmp51); + c_im(inout[iostride]) = tmp57 + tmp58; + c_im(inout[6 * iostride]) = tmp58 - tmp57; + } + } + } +} + +static const int twiddle_order[] = { 1, 2, 3, 4, 5, 6 }; +fftw_codelet_desc fftw_twiddle_7_desc = { + "fftw_twiddle_7", + (void (*)()) fftw_twiddle_7, + 7, + FFTW_FORWARD, + FFTW_TWIDDLE, + 154, + 6, + twiddle_order, +}; |