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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 <ports/fftw-int.h>
#include <ports/fftw.h>
/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 10 */
/*
* This function contains 34 FP additions, 14 FP multiplications,
* (or, 26 additions, 6 multiplications, 8 fused multiply/add),
* 20 stack variables, and 20 memory accesses
*/
static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
static const fftw_real K1_902113032 = FFTW_KONST(+1.902113032590307144232878666758764286811397268);
static const fftw_real K1_175570504 = FFTW_KONST(+1.175570504584946258337411909278145537195304875);
static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
static const fftw_real K1_118033988 = FFTW_KONST(+1.118033988749894848204586834365638117720309180);
/*
* Generator Id's :
* $Id: fcr_10.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
* $Id: fcr_10.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
* $Id: fcr_10.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
*/
void fftw_hc2real_10(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 tmp11;
fftw_real tmp23;
fftw_real tmp31;
fftw_real tmp20;
fftw_real tmp30;
fftw_real tmp10;
fftw_real tmp28;
fftw_real tmp14;
fftw_real tmp16;
fftw_real tmp18;
fftw_real tmp19;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp1;
fftw_real tmp2;
fftw_real tmp21;
fftw_real tmp22;
ASSERT_ALIGNED_DOUBLE();
tmp1 = real_input[0];
tmp2 = real_input[5 * real_istride];
tmp3 = tmp1 - tmp2;
tmp11 = tmp1 + tmp2;
tmp21 = imag_input[4 * imag_istride];
tmp22 = imag_input[imag_istride];
tmp23 = tmp21 - tmp22;
tmp31 = tmp21 + tmp22;
}
tmp18 = imag_input[2 * imag_istride];
tmp19 = imag_input[3 * imag_istride];
tmp20 = tmp18 - tmp19;
tmp30 = tmp18 + tmp19;
{
fftw_real tmp6;
fftw_real tmp12;
fftw_real tmp9;
fftw_real tmp13;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp4;
fftw_real tmp5;
fftw_real tmp7;
fftw_real tmp8;
ASSERT_ALIGNED_DOUBLE();
tmp4 = real_input[2 * real_istride];
tmp5 = real_input[3 * real_istride];
tmp6 = tmp4 - tmp5;
tmp12 = tmp4 + tmp5;
tmp7 = real_input[4 * real_istride];
tmp8 = real_input[real_istride];
tmp9 = tmp7 - tmp8;
tmp13 = tmp7 + tmp8;
}
tmp10 = tmp6 + tmp9;
tmp28 = K1_118033988 * (tmp6 - tmp9);
tmp14 = tmp12 + tmp13;
tmp16 = K1_118033988 * (tmp12 - tmp13);
}
output[5 * ostride] = tmp3 + (K2_000000000 * tmp10);
{
fftw_real tmp32;
fftw_real tmp34;
fftw_real tmp29;
fftw_real tmp33;
fftw_real tmp27;
ASSERT_ALIGNED_DOUBLE();
tmp32 = (K1_175570504 * tmp30) - (K1_902113032 * tmp31);
tmp34 = (K1_902113032 * tmp30) + (K1_175570504 * tmp31);
tmp27 = tmp3 - (K500000000 * tmp10);
tmp29 = tmp27 - tmp28;
tmp33 = tmp28 + tmp27;
output[7 * ostride] = tmp29 - tmp32;
output[3 * ostride] = tmp29 + tmp32;
output[ostride] = tmp33 - tmp34;
output[9 * ostride] = tmp33 + tmp34;
}
output[0] = tmp11 + (K2_000000000 * tmp14);
{
fftw_real tmp24;
fftw_real tmp26;
fftw_real tmp17;
fftw_real tmp25;
fftw_real tmp15;
ASSERT_ALIGNED_DOUBLE();
tmp24 = (K1_175570504 * tmp20) - (K1_902113032 * tmp23);
tmp26 = (K1_902113032 * tmp20) + (K1_175570504 * tmp23);
tmp15 = tmp11 - (K500000000 * tmp14);
tmp17 = tmp15 - tmp16;
tmp25 = tmp16 + tmp15;
output[2 * ostride] = tmp17 - tmp24;
output[8 * ostride] = tmp17 + tmp24;
output[6 * ostride] = tmp25 - tmp26;
output[4 * ostride] = tmp25 + tmp26;
}
}
fftw_codelet_desc fftw_hc2real_10_desc =
{
"fftw_hc2real_10",
(void (*)()) fftw_hc2real_10,
10,
FFTW_BACKWARD,
FFTW_HC2REAL,
235,
0,
(const int *) 0,
};