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2 pj 1
/*
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 * Copyright (c) 1997-1999 Massachusetts Institute of Technology
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 */
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/* This file was automatically generated --- DO NOT EDIT */
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/* Generated on Tue May 18 13:54:45 EDT 1999 */
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107 pj 23
#include <fftw-int.h>
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#include <fftw.h>
2 pj 25
 
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/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddleinv 7 */
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/*
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 * This function contains 60 FP additions, 36 FP multiplications,
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 * (or, 60 additions, 36 multiplications, 0 fused multiply/add),
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 * 22 stack variables, and 28 memory accesses
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 */
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static const fftw_real K222520933 = FFTW_KONST(+0.222520933956314404288902564496794759466355569);
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static const fftw_real K900968867 = FFTW_KONST(+0.900968867902419126236102319507445051165919162);
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static const fftw_real K623489801 = FFTW_KONST(+0.623489801858733530525004884004239810632274731);
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static const fftw_real K433883739 = FFTW_KONST(+0.433883739117558120475768332848358754609990728);
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static const fftw_real K974927912 = FFTW_KONST(+0.974927912181823607018131682993931217232785801);
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static const fftw_real K781831482 = FFTW_KONST(+0.781831482468029808708444526674057750232334519);
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/*
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 * Generator Id's :
107 pj 42
 * $Id: fni_7.c,v 1.2 2003-03-24 11:14:52 pj Exp $
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 * $Id: fni_7.c,v 1.2 2003-03-24 11:14:52 pj Exp $
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 * $Id: fni_7.c,v 1.2 2003-03-24 11:14:52 pj Exp $
2 pj 45
 */
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void fftwi_no_twiddle_7(const fftw_complex *input, fftw_complex *output, int istride, int ostride)
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{
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     fftw_real tmp1;
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     fftw_real tmp15;
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     fftw_real tmp4;
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     fftw_real tmp11;
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     fftw_real tmp24;
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     fftw_real tmp31;
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     fftw_real tmp7;
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     fftw_real tmp13;
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     fftw_real tmp18;
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     fftw_real tmp33;
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     fftw_real tmp10;
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     fftw_real tmp12;
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     fftw_real tmp21;
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     fftw_real tmp32;
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     ASSERT_ALIGNED_DOUBLE();
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     tmp1 = c_re(input[0]);
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     tmp15 = c_im(input[0]);
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     {
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          fftw_real tmp2;
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          fftw_real tmp3;
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          fftw_real tmp22;
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          fftw_real tmp23;
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          ASSERT_ALIGNED_DOUBLE();
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          tmp2 = c_re(input[istride]);
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          tmp3 = c_re(input[6 * istride]);
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          tmp4 = tmp2 + tmp3;
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          tmp11 = tmp2 - tmp3;
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          tmp22 = c_im(input[istride]);
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          tmp23 = c_im(input[6 * istride]);
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          tmp24 = tmp22 + tmp23;
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          tmp31 = tmp23 - tmp22;
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     }
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     {
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          fftw_real tmp5;
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          fftw_real tmp6;
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          fftw_real tmp16;
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          fftw_real tmp17;
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          ASSERT_ALIGNED_DOUBLE();
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          tmp5 = c_re(input[2 * istride]);
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          tmp6 = c_re(input[5 * istride]);
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          tmp7 = tmp5 + tmp6;
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          tmp13 = tmp5 - tmp6;
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          tmp16 = c_im(input[2 * istride]);
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          tmp17 = c_im(input[5 * istride]);
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          tmp18 = tmp16 + tmp17;
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          tmp33 = tmp17 - tmp16;
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     }
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     {
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          fftw_real tmp8;
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          fftw_real tmp9;
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          fftw_real tmp19;
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          fftw_real tmp20;
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          ASSERT_ALIGNED_DOUBLE();
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          tmp8 = c_re(input[3 * istride]);
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          tmp9 = c_re(input[4 * istride]);
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          tmp10 = tmp8 + tmp9;
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          tmp12 = tmp8 - tmp9;
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          tmp19 = c_im(input[3 * istride]);
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          tmp20 = c_im(input[4 * istride]);
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          tmp21 = tmp19 + tmp20;
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          tmp32 = tmp20 - tmp19;
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     }
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     {
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          fftw_real tmp36;
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          fftw_real tmp35;
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          fftw_real tmp26;
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          fftw_real tmp27;
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          ASSERT_ALIGNED_DOUBLE();
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          c_re(output[0]) = tmp1 + tmp4 + tmp7 + tmp10;
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          tmp36 = (K781831482 * tmp31) + (K974927912 * tmp33) + (K433883739 * tmp32);
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          tmp35 = tmp1 + (K623489801 * tmp4) - (K900968867 * tmp10) - (K222520933 * tmp7);
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          c_re(output[6 * ostride]) = tmp35 - tmp36;
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          c_re(output[ostride]) = tmp35 + tmp36;
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          {
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               fftw_real tmp38;
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               fftw_real tmp37;
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               fftw_real tmp34;
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               fftw_real tmp30;
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               ASSERT_ALIGNED_DOUBLE();
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               tmp38 = (K433883739 * tmp31) + (K974927912 * tmp32) - (K781831482 * tmp33);
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               tmp37 = tmp1 + (K623489801 * tmp7) - (K222520933 * tmp10) - (K900968867 * tmp4);
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               c_re(output[4 * ostride]) = tmp37 - tmp38;
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               c_re(output[3 * ostride]) = tmp37 + tmp38;
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               tmp34 = (K974927912 * tmp31) - (K781831482 * tmp32) - (K433883739 * tmp33);
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               tmp30 = tmp1 + (K623489801 * tmp10) - (K900968867 * tmp7) - (K222520933 * tmp4);
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               c_re(output[5 * ostride]) = tmp30 - tmp34;
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               c_re(output[2 * ostride]) = tmp30 + tmp34;
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          }
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          c_im(output[0]) = tmp15 + tmp24 + tmp18 + tmp21;
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          tmp26 = (K781831482 * tmp11) + (K974927912 * tmp13) + (K433883739 * tmp12);
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          tmp27 = tmp15 + (K623489801 * tmp24) - (K900968867 * tmp21) - (K222520933 * tmp18);
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          c_im(output[ostride]) = tmp26 + tmp27;
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          c_im(output[6 * ostride]) = tmp27 - tmp26;
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          {
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               fftw_real tmp14;
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               fftw_real tmp25;
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               fftw_real tmp28;
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               fftw_real tmp29;
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               ASSERT_ALIGNED_DOUBLE();
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               tmp14 = (K433883739 * tmp11) + (K974927912 * tmp12) - (K781831482 * tmp13);
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               tmp25 = tmp15 + (K623489801 * tmp18) - (K222520933 * tmp21) - (K900968867 * tmp24);
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               c_im(output[3 * ostride]) = tmp14 + tmp25;
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               c_im(output[4 * ostride]) = tmp25 - tmp14;
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               tmp28 = (K974927912 * tmp11) - (K781831482 * tmp12) - (K433883739 * tmp13);
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               tmp29 = tmp15 + (K623489801 * tmp21) - (K900968867 * tmp18) - (K222520933 * tmp24);
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               c_im(output[2 * ostride]) = tmp28 + tmp29;
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               c_im(output[5 * ostride]) = tmp29 - tmp28;
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          }
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     }
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}
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fftw_codelet_desc fftwi_no_twiddle_7_desc =
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{
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     "fftwi_no_twiddle_7",
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     (void (*)()) fftwi_no_twiddle_7,
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     7,
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     FFTW_BACKWARD,
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     FFTW_NOTW,
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     166,
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     0,
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     (const int *) 0,
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};