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 13:54:38 EDT 1999 */

#include <fftw-int.h>

#include <fftw.h>

/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 14 */

/*

 * This function contains 62 FP additions, 36 FP multiplications,

 * (or, 62 additions, 36 multiplications, 0 fused multiply/add),

 * 22 stack variables, and 28 memory accesses

 */

static const fftw_real K900968867 = FFTW_KONST(+0.900968867902419126236102319507445051165919162);

static const fftw_real K222520933 = FFTW_KONST(+0.222520933956314404288902564496794759466355569);

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: frc_14.c,v 1.2 2003-03-24 11:14:58 pj Exp $

 * $Id: frc_14.c,v 1.2 2003-03-24 11:14:58 pj Exp $

 * $Id: frc_14.c,v 1.2 2003-03-24 11:14:58 pj Exp $

 */

void fftw_real2hc_14(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride)

{

     fftw_real tmp3;

     fftw_real tmp37;

     fftw_real tmp6;

     fftw_real tmp31;

     fftw_real tmp23;

     fftw_real tmp28;

     fftw_real tmp20;

     fftw_real tmp29;

     fftw_real tmp13;

     fftw_real tmp34;

     fftw_real tmp9;

     fftw_real tmp32;

     fftw_real tmp16;

     fftw_real tmp35;

     fftw_real tmp1;

     fftw_real tmp2;

     ASSERT_ALIGNED_DOUBLE();

     tmp1 = input[0];

     tmp2 = input[7 * istride];

     tmp3 = tmp1 - tmp2;

     tmp37 = tmp1 + tmp2;

     {

          fftw_real tmp4;

          fftw_real tmp5;

          fftw_real tmp21;

          fftw_real tmp22;

          ASSERT_ALIGNED_DOUBLE();

          tmp4 = input[4 * istride];

          tmp5 = input[11 * istride];

          tmp6 = tmp4 - tmp5;

          tmp31 = tmp4 + tmp5;

          tmp21 = input[12 * istride];

          tmp22 = input[5 * istride];

          tmp23 = tmp21 - tmp22;

          tmp28 = tmp21 + tmp22;

     }

     {

          fftw_real tmp18;

          fftw_real tmp19;

          fftw_real tmp11;

          fftw_real tmp12;

          ASSERT_ALIGNED_DOUBLE();

          tmp18 = input[2 * istride];

          tmp19 = input[9 * istride];

          tmp20 = tmp18 - tmp19;

          tmp29 = tmp18 + tmp19;

          tmp11 = input[6 * istride];

          tmp12 = input[13 * istride];

          tmp13 = tmp11 - tmp12;

          tmp34 = tmp11 + tmp12;

     }

     {

          fftw_real tmp7;

          fftw_real tmp8;

          fftw_real tmp14;

          fftw_real tmp15;

          ASSERT_ALIGNED_DOUBLE();

          tmp7 = input[10 * istride];

          tmp8 = input[3 * istride];

          tmp9 = tmp7 - tmp8;

          tmp32 = tmp7 + tmp8;

          tmp14 = input[8 * istride];

          tmp15 = input[istride];

          tmp16 = tmp14 - tmp15;

          tmp35 = tmp14 + tmp15;

     }

     {

          fftw_real tmp25;

          fftw_real tmp27;

          fftw_real tmp26;

          fftw_real tmp10;

          fftw_real tmp24;

          fftw_real tmp17;

          ASSERT_ALIGNED_DOUBLE();

          tmp25 = tmp23 - tmp20;

          tmp27 = tmp16 - tmp13;

          tmp26 = tmp9 - tmp6;

          imag_output[imag_ostride] = (K781831482 * tmp25) + (K974927912 * tmp26) + (K433883739 * tmp27);

          imag_output[5 * imag_ostride] = -((K974927912 * tmp25) - (K781831482 * tmp27) - (K433883739 * tmp26));

          imag_output[3 * imag_ostride] = (K433883739 * tmp25) + (K974927912 * tmp27) - (K781831482 * tmp26);

          tmp10 = tmp6 + tmp9;

          tmp24 = tmp20 + tmp23;

          tmp17 = tmp13 + tmp16;

          real_output[3 * real_ostride] = tmp3 + (K623489801 * tmp10) - (K222520933 * tmp17) - (K900968867 * tmp24);

          real_output[7 * real_ostride] = tmp3 + tmp24 + tmp10 + tmp17;

          real_output[real_ostride] = tmp3 + (K623489801 * tmp24) - (K900968867 * tmp17) - (K222520933 * tmp10);

          real_output[5 * real_ostride] = tmp3 + (K623489801 * tmp17) - (K900968867 * tmp10) - (K222520933 * tmp24);

     }

     {

          fftw_real tmp30;

          fftw_real tmp36;

          fftw_real tmp33;

          fftw_real tmp38;

          fftw_real tmp40;

          fftw_real tmp39;

          ASSERT_ALIGNED_DOUBLE();

          tmp30 = tmp28 - tmp29;

          tmp36 = tmp34 - tmp35;

          tmp33 = tmp31 - tmp32;

          imag_output[2 * imag_ostride] = (K974927912 * tmp30) + (K433883739 * tmp33) + (K781831482 * tmp36);

          imag_output[6 * imag_ostride] = -((K781831482 * tmp30) - (K433883739 * tmp36) - (K974927912 * tmp33));

          imag_output[4 * imag_ostride] = -((K433883739 * tmp30) + (K781831482 * tmp33) - (K974927912 * tmp36));

          tmp38 = tmp29 + tmp28;

          tmp40 = tmp31 + tmp32;

          tmp39 = tmp34 + tmp35;

          real_output[6 * real_ostride] = tmp37 + (K623489801 * tmp38) - (K900968867 * tmp39) - (K222520933 * tmp40);

          real_output[2 * real_ostride] = tmp37 + (K623489801 * tmp39) - (K900968867 * tmp40) - (K222520933 * tmp38);

          real_output[4 * real_ostride] = tmp37 + (K623489801 * tmp40) - (K222520933 * tmp39) - (K900968867 * tmp38);

          real_output[0] = tmp37 + tmp38 + tmp40 + tmp39;

     }

}

fftw_codelet_desc fftw_real2hc_14_desc =

{

     "fftw_real2hc_14",

     (void (*)()) fftw_real2hc_14,

     14,

     FFTW_FORWARD,

     FFTW_REAL2HC,

     310,

     0,

     (const int *) 0,

};