diff options
Diffstat (limited to 'src/fftw/fn_7.c')
| -rw-r--r-- | src/fftw/fn_7.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/fftw/fn_7.c b/src/fftw/fn_7.c new file mode 100644 index 0000000..c9acc08 --- /dev/null +++ b/src/fftw/fn_7.c @@ -0,0 +1,200 @@ +/* + * 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 02:05:37 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 -notwiddle 7 */ + +/* + * This function contains 60 FP additions, 36 FP multiplications, + * (or, 60 additions, 36 multiplications, 0 fused multiply/add), + * 22 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 K781831482 = +FFTW_KONST(+0.781831482468029808708444526674057750232334519); +static const fftw_real K433883739 = +FFTW_KONST(+0.433883739117558120475768332848358754609990728); +static const fftw_real K974927912 = +FFTW_KONST(+0.974927912181823607018131682993931217232785801); + +/* + * Generator Id's : + * $Id: fn_7.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: fn_7.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: fn_7.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + */ + +void fftw_no_twiddle_7(const fftw_complex *input, fftw_complex *output, + int istride, int ostride) +{ + fftw_real tmp1; + fftw_real tmp31; + fftw_real tmp4; + fftw_real tmp26; + fftw_real tmp14; + fftw_real tmp33; + fftw_real tmp7; + fftw_real tmp28; + fftw_real tmp20; + fftw_real tmp30; + fftw_real tmp10; + fftw_real tmp27; + fftw_real tmp17; + fftw_real tmp32; + ASSERT_ALIGNED_DOUBLE; + tmp1 = c_re(input[0]); + tmp31 = c_im(input[0]); + { + fftw_real tmp2; + fftw_real tmp3; + fftw_real tmp12; + fftw_real tmp13; + ASSERT_ALIGNED_DOUBLE; + tmp2 = c_re(input[istride]); + tmp3 = c_re(input[6 * istride]); + tmp4 = tmp2 + tmp3; + tmp26 = tmp3 - tmp2; + tmp12 = c_im(input[istride]); + tmp13 = c_im(input[6 * istride]); + tmp14 = tmp12 - tmp13; + tmp33 = tmp12 + tmp13; + } + { + fftw_real tmp5; + fftw_real tmp6; + fftw_real tmp18; + fftw_real tmp19; + ASSERT_ALIGNED_DOUBLE; + tmp5 = c_re(input[2 * istride]); + tmp6 = c_re(input[5 * istride]); + tmp7 = tmp5 + tmp6; + tmp28 = tmp6 - tmp5; + tmp18 = c_im(input[2 * istride]); + tmp19 = c_im(input[5 * istride]); + tmp20 = tmp18 - tmp19; + tmp30 = tmp18 + tmp19; + } + { + fftw_real tmp8; + fftw_real tmp9; + fftw_real tmp15; + fftw_real tmp16; + ASSERT_ALIGNED_DOUBLE; + tmp8 = c_re(input[3 * istride]); + tmp9 = c_re(input[4 * istride]); + tmp10 = tmp8 + tmp9; + tmp27 = tmp9 - tmp8; + tmp15 = c_im(input[3 * istride]); + tmp16 = c_im(input[4 * istride]); + tmp17 = tmp15 - tmp16; + tmp32 = tmp15 + tmp16; + } + { + fftw_real tmp23; + fftw_real tmp22; + fftw_real tmp35; + fftw_real tmp36; + ASSERT_ALIGNED_DOUBLE; + c_re(output[0]) = tmp1 + tmp4 + tmp7 + tmp10; + tmp23 = + (K974927912 * tmp14) - (K433883739 * tmp20) - + (K781831482 * tmp17); + tmp22 = + tmp1 + (K623489801 * tmp10) - (K900968867 * tmp7) - + (K222520933 * tmp4); + c_re(output[5 * ostride]) = tmp22 - tmp23; + c_re(output[2 * ostride]) = tmp22 + tmp23; + { + fftw_real tmp25; + fftw_real tmp24; + fftw_real tmp21; + fftw_real tmp11; + ASSERT_ALIGNED_DOUBLE; + tmp25 = + (K781831482 * tmp14) + (K433883739 * tmp17) + + (K974927912 * tmp20); + tmp24 = + tmp1 + (K623489801 * tmp4) - (K900968867 * tmp10) - + (K222520933 * tmp7); + c_re(output[6 * ostride]) = tmp24 - tmp25; + c_re(output[ostride]) = tmp24 + tmp25; + tmp21 = + (K433883739 * tmp14) + (K974927912 * tmp17) - + (K781831482 * tmp20); + tmp11 = + tmp1 + (K623489801 * tmp7) - (K222520933 * tmp10) - + (K900968867 * tmp4); + c_re(output[4 * ostride]) = tmp11 - tmp21; + c_re(output[3 * ostride]) = tmp11 + tmp21; + } + c_im(output[0]) = tmp33 + tmp32 + tmp30 + tmp31; + tmp35 = + (K781831482 * tmp26) + (K974927912 * tmp28) + + (K433883739 * tmp27); + tmp36 = + (K623489801 * tmp33) + tmp31 - (K222520933 * tmp30) - + (K900968867 * tmp32); + c_im(output[ostride]) = tmp35 + tmp36; + c_im(output[6 * ostride]) = tmp36 - tmp35; + { + fftw_real tmp29; + fftw_real tmp34; + fftw_real tmp37; + fftw_real tmp38; + ASSERT_ALIGNED_DOUBLE; + tmp29 = + (K433883739 * tmp26) + (K974927912 * tmp27) - + (K781831482 * tmp28); + tmp34 = + (K623489801 * tmp30) + tmp31 - (K222520933 * tmp32) - + (K900968867 * tmp33); + c_im(output[3 * ostride]) = tmp29 + tmp34; + c_im(output[4 * ostride]) = tmp34 - tmp29; + tmp37 = + (K974927912 * tmp26) - (K781831482 * tmp27) - + (K433883739 * tmp28); + tmp38 = + (K623489801 * tmp32) + tmp31 - (K900968867 * tmp30) - + (K222520933 * tmp33); + c_im(output[2 * ostride]) = tmp37 + tmp38; + c_im(output[5 * ostride]) = tmp38 - tmp37; + } + } +} + +fftw_codelet_desc fftw_no_twiddle_7_desc = { + "fftw_no_twiddle_7", + (void (*)()) fftw_no_twiddle_7, + 7, + FFTW_FORWARD, + FFTW_NOTW, + 155, + 0, + (const int *) 0, +}; 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