Subversion Repositories shark

/*

 * 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 Tue May 18 13:54:45 EDT 1999 */

#include <ports/fftw-int.h>

#include <ports/fftw.h>

/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddleinv 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 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: fni_7.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $

 * $Id: fni_7.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $

 * $Id: fni_7.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $

 */

void fftwi_no_twiddle_7(const fftw_complex *input, fftw_complex *output, int istride, int ostride)

{

     fftw_real tmp1;

     fftw_real tmp15;

     fftw_real tmp4;

     fftw_real tmp11;

     fftw_real tmp24;

     fftw_real tmp31;

     fftw_real tmp7;

     fftw_real tmp13;

     fftw_real tmp18;

     fftw_real tmp33;

     fftw_real tmp10;

     fftw_real tmp12;

     fftw_real tmp21;

     fftw_real tmp32;

     ASSERT_ALIGNED_DOUBLE();

     tmp1 = c_re(input[0]);

     tmp15 = c_im(input[0]);

     {

          fftw_real tmp2;

          fftw_real tmp3;

          fftw_real tmp22;

          fftw_real tmp23;

          ASSERT_ALIGNED_DOUBLE();

          tmp2 = c_re(input[istride]);

          tmp3 = c_re(input[6 * istride]);

          tmp4 = tmp2 + tmp3;

          tmp11 = tmp2 - tmp3;

          tmp22 = c_im(input[istride]);

          tmp23 = c_im(input[6 * istride]);

          tmp24 = tmp22 + tmp23;

          tmp31 = tmp23 - tmp22;

     }

     {

          fftw_real tmp5;

          fftw_real tmp6;

          fftw_real tmp16;

          fftw_real tmp17;

          ASSERT_ALIGNED_DOUBLE();

          tmp5 = c_re(input[2 * istride]);

          tmp6 = c_re(input[5 * istride]);

          tmp7 = tmp5 + tmp6;

          tmp13 = tmp5 - tmp6;

          tmp16 = c_im(input[2 * istride]);

          tmp17 = c_im(input[5 * istride]);

          tmp18 = tmp16 + tmp17;

          tmp33 = tmp17 - tmp16;

     }

     {

          fftw_real tmp8;

          fftw_real tmp9;

          fftw_real tmp19;

          fftw_real tmp20;

          ASSERT_ALIGNED_DOUBLE();

          tmp8 = c_re(input[3 * istride]);

          tmp9 = c_re(input[4 * istride]);

          tmp10 = tmp8 + tmp9;

          tmp12 = tmp8 - tmp9;

          tmp19 = c_im(input[3 * istride]);

          tmp20 = c_im(input[4 * istride]);

          tmp21 = tmp19 + tmp20;

          tmp32 = tmp20 - tmp19;

     }

     {

          fftw_real tmp36;

          fftw_real tmp35;

          fftw_real tmp26;

          fftw_real tmp27;

          ASSERT_ALIGNED_DOUBLE();

          c_re(output[0]) = tmp1 + tmp4 + tmp7 + tmp10;

          tmp36 = (K781831482 * tmp31) + (K974927912 * tmp33) + (K433883739 * tmp32);

          tmp35 = tmp1 + (K623489801 * tmp4) - (K900968867 * tmp10) - (K222520933 * tmp7);

          c_re(output[6 * ostride]) = tmp35 - tmp36;

          c_re(output[ostride]) = tmp35 + tmp36;

          {

               fftw_real tmp38;

               fftw_real tmp37;

               fftw_real tmp34;

               fftw_real tmp30;

               ASSERT_ALIGNED_DOUBLE();

               tmp38 = (K433883739 * tmp31) + (K974927912 * tmp32) - (K781831482 * tmp33);

               tmp37 = tmp1 + (K623489801 * tmp7) - (K222520933 * tmp10) - (K900968867 * tmp4);

               c_re(output[4 * ostride]) = tmp37 - tmp38;

               c_re(output[3 * ostride]) = tmp37 + tmp38;

               tmp34 = (K974927912 * tmp31) - (K781831482 * tmp32) - (K433883739 * tmp33);

               tmp30 = tmp1 + (K623489801 * tmp10) - (K900968867 * tmp7) - (K222520933 * tmp4);

               c_re(output[5 * ostride]) = tmp30 - tmp34;

               c_re(output[2 * ostride]) = tmp30 + tmp34;

          }

          c_im(output[0]) = tmp15 + tmp24 + tmp18 + tmp21;

          tmp26 = (K781831482 * tmp11) + (K974927912 * tmp13) + (K433883739 * tmp12);

          tmp27 = tmp15 + (K623489801 * tmp24) - (K900968867 * tmp21) - (K222520933 * tmp18);

          c_im(output[ostride]) = tmp26 + tmp27;

          c_im(output[6 * ostride]) = tmp27 - tmp26;

          {

               fftw_real tmp14;

               fftw_real tmp25;

               fftw_real tmp28;

               fftw_real tmp29;

               ASSERT_ALIGNED_DOUBLE();

               tmp14 = (K433883739 * tmp11) + (K974927912 * tmp12) - (K781831482 * tmp13);

               tmp25 = tmp15 + (K623489801 * tmp18) - (K222520933 * tmp21) - (K900968867 * tmp24);

               c_im(output[3 * ostride]) = tmp14 + tmp25;

               c_im(output[4 * ostride]) = tmp25 - tmp14;

               tmp28 = (K974927912 * tmp11) - (K781831482 * tmp12) - (K433883739 * tmp13);

               tmp29 = tmp15 + (K623489801 * tmp21) - (K900968867 * tmp18) - (K222520933 * tmp24);

               c_im(output[2 * ostride]) = tmp28 + tmp29;

               c_im(output[5 * ostride]) = tmp29 - tmp28;

          }

     }

}

fftw_codelet_desc fftwi_no_twiddle_7_desc =

{

     "fftwi_no_twiddle_7",

     (void (*)()) fftwi_no_twiddle_7,

     7,

     FFTW_BACKWARD,

     FFTW_NOTW,

     166,

     0,

     (const int *) 0,

};