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/*

 * 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 13:55:06 EDT 1999 */

#include <fftw-int.h>

#include <fftw.h>

/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 7 */

/*

 * This function contains 24 FP additions, 19 FP multiplications,

 * (or, 23 additions, 18 multiplications, 1 fused multiply/add),

 * 13 stack variables, and 14 memory accesses

 */

static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);

static const fftw_real K1_801937735 = FFTW_KONST(+1.801937735804838252472204639014890102331838324);

static const fftw_real K445041867 = FFTW_KONST(+0.445041867912628808577805128993589518932711138);

static const fftw_real K1_246979603 = FFTW_KONST(+1.246979603717467061050009768008479621264549462);

static const fftw_real K867767478 = FFTW_KONST(+0.867767478235116240951536665696717509219981456);

static const fftw_real K1_949855824 = FFTW_KONST(+1.949855824363647214036263365987862434465571601);

static const fftw_real K1_563662964 = FFTW_KONST(+1.563662964936059617416889053348115500464669037);

/*

 * Generator Id's :

 * $Id: fcr_7.c,v 1.2 2003-03-24 11:14:56 pj Exp $

 * $Id: fcr_7.c,v 1.2 2003-03-24 11:14:56 pj Exp $

 * $Id: fcr_7.c,v 1.2 2003-03-24 11:14:56 pj Exp $

 */

void fftw_hc2real_7(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)

{

     fftw_real tmp9;

     fftw_real tmp13;

     fftw_real tmp11;

     fftw_real tmp1;

     fftw_real tmp4;

     fftw_real tmp2;

     fftw_real tmp3;

     fftw_real tmp5;

     fftw_real tmp12;

     fftw_real tmp10;

     fftw_real tmp6;

     fftw_real tmp8;

     fftw_real tmp7;

     ASSERT_ALIGNED_DOUBLE();

     tmp6 = imag_input[2 * imag_istride];

     tmp8 = imag_input[imag_istride];

     tmp7 = imag_input[3 * imag_istride];

     tmp9 = (K1_563662964 * tmp6) - (K1_949855824 * tmp7) - (K867767478 * tmp8);

     tmp13 = (K867767478 * tmp6) + (K1_563662964 * tmp7) - (K1_949855824 * tmp8);

     tmp11 = (K1_563662964 * tmp8) + (K1_949855824 * tmp6) + (K867767478 * tmp7);

     tmp1 = real_input[0];

     tmp4 = real_input[3 * real_istride];

     tmp2 = real_input[real_istride];

     tmp3 = real_input[2 * real_istride];

     tmp5 = tmp1 + (K1_246979603 * tmp3) - (K445041867 * tmp4) - (K1_801937735 * tmp2);

     tmp12 = tmp1 + (K1_246979603 * tmp4) - (K1_801937735 * tmp3) - (K445041867 * tmp2);

     tmp10 = tmp1 + (K1_246979603 * tmp2) - (K1_801937735 * tmp4) - (K445041867 * tmp3);

     output[4 * ostride] = tmp5 - tmp9;

     output[3 * ostride] = tmp5 + tmp9;

     output[0] = tmp1 + (K2_000000000 * (tmp2 + tmp3 + tmp4));

     output[2 * ostride] = tmp12 + tmp13;

     output[5 * ostride] = tmp12 - tmp13;

     output[6 * ostride] = tmp10 + tmp11;

     output[ostride] = tmp10 - tmp11;

}

fftw_codelet_desc fftw_hc2real_7_desc =

{

     "fftw_hc2real_7",

     (void (*)()) fftw_hc2real_7,

     7,

     FFTW_BACKWARD,

     FFTW_HC2REAL,

     169,

     0,

     (const int *) 0,

};