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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 13:54:35 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 -real2hc 10 */
/*
* This function contains 34 FP additions, 12 FP multiplications,
* (or, 28 additions, 6 multiplications, 6 fused multiply/add),
* 22 stack variables, and 20 memory accesses
*/
static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);
static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000);
static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590);
/*
* Generator Id's :
* $Id: frc_10.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
* $Id: frc_10.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
* $Id: frc_10.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
*/
void fftw_real2hc_10(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride)
{
fftw_real tmp18;
fftw_real tmp29;
fftw_real tmp10;
fftw_real tmp23;
fftw_real tmp13;
fftw_real tmp24;
fftw_real tmp14;
fftw_real tmp31;
fftw_real tmp3;
fftw_real tmp26;
fftw_real tmp6;
fftw_real tmp27;
fftw_real tmp7;
fftw_real tmp30;
fftw_real tmp16;
fftw_real tmp17;
ASSERT_ALIGNED_DOUBLE();
tmp16 = input[0];
tmp17 = input[5 * istride];
tmp18 = tmp16 - tmp17;
tmp29 = tmp16 + tmp17;
{
fftw_real tmp8;
fftw_real tmp9;
fftw_real tmp11;
fftw_real tmp12;
ASSERT_ALIGNED_DOUBLE();
tmp8 = input[4 * istride];
tmp9 = input[9 * istride];
tmp10 = tmp8 - tmp9;
tmp23 = tmp8 + tmp9;
tmp11 = input[6 * istride];
tmp12 = input[istride];
tmp13 = tmp11 - tmp12;
tmp24 = tmp11 + tmp12;
}
tmp14 = tmp10 + tmp13;
tmp31 = tmp23 + tmp24;
{
fftw_real tmp1;
fftw_real tmp2;
fftw_real tmp4;
fftw_real tmp5;
ASSERT_ALIGNED_DOUBLE();
tmp1 = input[2 * istride];
tmp2 = input[7 * istride];
tmp3 = tmp1 - tmp2;
tmp26 = tmp1 + tmp2;
tmp4 = input[8 * istride];
tmp5 = input[3 * istride];
tmp6 = tmp4 - tmp5;
tmp27 = tmp4 + tmp5;
}
tmp7 = tmp3 + tmp6;
tmp30 = tmp26 + tmp27;
{
fftw_real tmp15;
fftw_real tmp19;
fftw_real tmp20;
fftw_real tmp34;
fftw_real tmp32;
fftw_real tmp33;
ASSERT_ALIGNED_DOUBLE();
tmp15 = K559016994 * (tmp7 - tmp14);
tmp19 = tmp7 + tmp14;
tmp20 = tmp18 - (K250000000 * tmp19);
real_output[real_ostride] = tmp15 + tmp20;
real_output[3 * real_ostride] = tmp20 - tmp15;
real_output[5 * real_ostride] = tmp18 + tmp19;
tmp34 = K559016994 * (tmp30 - tmp31);
tmp32 = tmp30 + tmp31;
tmp33 = tmp29 - (K250000000 * tmp32);
real_output[2 * real_ostride] = tmp33 - tmp34;
real_output[4 * real_ostride] = tmp34 + tmp33;
real_output[0] = tmp29 + tmp32;
}
{
fftw_real tmp21;
fftw_real tmp22;
fftw_real tmp25;
fftw_real tmp28;
ASSERT_ALIGNED_DOUBLE();
tmp21 = tmp3 - tmp6;
tmp22 = tmp10 - tmp13;
imag_output[imag_ostride] = -((K951056516 * tmp21) + (K587785252 * tmp22));
imag_output[3 * imag_ostride] = (K587785252 * tmp21) - (K951056516 * tmp22);
tmp25 = tmp23 - tmp24;
tmp28 = tmp26 - tmp27;
imag_output[2 * imag_ostride] = (K951056516 * tmp25) - (K587785252 * tmp28);
imag_output[4 * imag_ostride] = (K951056516 * tmp28) + (K587785252 * tmp25);
}
}
fftw_codelet_desc fftw_real2hc_10_desc =
{
"fftw_real2hc_10",
(void (*)()) fftw_real2hc_10,
10,
FFTW_FORWARD,
FFTW_REAL2HC,
222,
0,
(const int *) 0,
};