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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 13:55:10 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 -hc2real 14 */
/*
* This function contains 62 FP additions, 38 FP multiplications,
* (or, 60 additions, 36 multiplications, 2 fused multiply/add),
* 24 stack variables, and 28 memory accesses
*/
static const fftw_real K445041867 = FFTW_KONST(+0.445041867912628808577805128993589518932711138);
static const fftw_real K1_801937735 = FFTW_KONST(+1.801937735804838252472204639014890102331838324);
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);
static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
/*
* Generator Id's :
* $Id: fcr_14.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
* $Id: fcr_14.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
* $Id: fcr_14.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
*/
void fftw_hc2real_14(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)
{
fftw_real tmp3;
fftw_real tmp13;
fftw_real tmp6;
fftw_real tmp14;
fftw_real tmp26;
fftw_real tmp35;
fftw_real tmp23;
fftw_real tmp34;
fftw_real tmp12;
fftw_real tmp16;
fftw_real tmp20;
fftw_real tmp33;
fftw_real tmp9;
fftw_real tmp15;
fftw_real tmp1;
fftw_real tmp2;
ASSERT_ALIGNED_DOUBLE();
tmp1 = real_input[0];
tmp2 = real_input[7 * real_istride];
tmp3 = tmp1 - tmp2;
tmp13 = tmp1 + tmp2;
{
fftw_real tmp4;
fftw_real tmp5;
fftw_real tmp24;
fftw_real tmp25;
ASSERT_ALIGNED_DOUBLE();
tmp4 = real_input[2 * real_istride];
tmp5 = real_input[5 * real_istride];
tmp6 = tmp4 - tmp5;
tmp14 = tmp4 + tmp5;
tmp24 = imag_input[2 * imag_istride];
tmp25 = imag_input[5 * imag_istride];
tmp26 = tmp24 - tmp25;
tmp35 = tmp24 + tmp25;
}
{
fftw_real tmp21;
fftw_real tmp22;
fftw_real tmp10;
fftw_real tmp11;
ASSERT_ALIGNED_DOUBLE();
tmp21 = imag_input[6 * imag_istride];
tmp22 = imag_input[imag_istride];
tmp23 = tmp21 - tmp22;
tmp34 = tmp21 + tmp22;
tmp10 = real_input[6 * real_istride];
tmp11 = real_input[real_istride];
tmp12 = tmp10 - tmp11;
tmp16 = tmp10 + tmp11;
}
{
fftw_real tmp18;
fftw_real tmp19;
fftw_real tmp7;
fftw_real tmp8;
ASSERT_ALIGNED_DOUBLE();
tmp18 = imag_input[4 * imag_istride];
tmp19 = imag_input[3 * imag_istride];
tmp20 = tmp18 - tmp19;
tmp33 = tmp18 + tmp19;
tmp7 = real_input[4 * real_istride];
tmp8 = real_input[3 * real_istride];
tmp9 = tmp7 - tmp8;
tmp15 = tmp7 + tmp8;
}
{
fftw_real tmp38;
fftw_real tmp37;
fftw_real tmp29;
fftw_real tmp28;
ASSERT_ALIGNED_DOUBLE();
output[7 * ostride] = tmp3 + (K2_000000000 * (tmp6 + tmp9 + tmp12));
tmp38 = (K1_563662964 * tmp35) + (K1_949855824 * tmp33) + (K867767478 * tmp34);
tmp37 = tmp3 + (K1_246979603 * tmp6) - (K1_801937735 * tmp12) - (K445041867 * tmp9);
output[ostride] = tmp37 - tmp38;
output[13 * ostride] = tmp37 + tmp38;
{
fftw_real tmp40;
fftw_real tmp39;
fftw_real tmp36;
fftw_real tmp32;
ASSERT_ALIGNED_DOUBLE();
tmp40 = (K867767478 * tmp33) + (K1_563662964 * tmp34) - (K1_949855824 * tmp35);
tmp39 = tmp3 + (K1_246979603 * tmp12) - (K1_801937735 * tmp9) - (K445041867 * tmp6);
output[5 * ostride] = tmp39 - tmp40;
output[9 * ostride] = tmp39 + tmp40;
tmp36 = (K1_563662964 * tmp33) - (K1_949855824 * tmp34) - (K867767478 * tmp35);
tmp32 = tmp3 + (K1_246979603 * tmp9) - (K445041867 * tmp12) - (K1_801937735 * tmp6);
output[11 * ostride] = tmp32 - tmp36;
output[3 * ostride] = tmp32 + tmp36;
}
output[0] = tmp13 + (K2_000000000 * (tmp14 + tmp15 + tmp16));
tmp29 = (K867767478 * tmp20) + (K1_563662964 * tmp23) - (K1_949855824 * tmp26);
tmp28 = tmp13 + (K1_246979603 * tmp16) - (K1_801937735 * tmp15) - (K445041867 * tmp14);
output[12 * ostride] = tmp28 - tmp29;
output[2 * ostride] = tmp28 + tmp29;
{
fftw_real tmp31;
fftw_real tmp30;
fftw_real tmp27;
fftw_real tmp17;
ASSERT_ALIGNED_DOUBLE();
tmp31 = (K1_563662964 * tmp26) + (K1_949855824 * tmp20) + (K867767478 * tmp23);
tmp30 = tmp13 + (K1_246979603 * tmp14) - (K1_801937735 * tmp16) - (K445041867 * tmp15);
output[8 * ostride] = tmp30 - tmp31;
output[6 * ostride] = tmp30 + tmp31;
tmp27 = (K1_563662964 * tmp20) - (K1_949855824 * tmp23) - (K867767478 * tmp26);
tmp17 = tmp13 + (K1_246979603 * tmp15) - (K445041867 * tmp16) - (K1_801937735 * tmp14);
output[4 * ostride] = tmp17 - tmp27;
output[10 * ostride] = tmp17 + tmp27;
}
}
}
fftw_codelet_desc fftw_hc2real_14_desc =
{
"fftw_hc2real_14",
(void (*)()) fftw_hc2real_14,
14,
FFTW_BACKWARD,
FFTW_HC2REAL,
323,
0,
(const int *) 0,
};