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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 9 */
/*
* This function contains 38 FP additions, 26 FP multiplications,
* (or, 29 additions, 17 multiplications, 9 fused multiply/add),
* 21 stack variables, and 18 memory accesses
*/
static const fftw_real K342020143 = FFTW_KONST(+0.342020143325668733044099614682259580763083368);
static const fftw_real K813797681 = FFTW_KONST(+0.813797681349373692844693217248393223289101568);
static const fftw_real K939692620 = FFTW_KONST(+0.939692620785908384054109277324731469936208134);
static const fftw_real K296198132 = FFTW_KONST(+0.296198132726023843175338011893050938967728390);
static const fftw_real K852868531 = FFTW_KONST(+0.852868531952443209628250963940074071936020296);
static const fftw_real K173648177 = FFTW_KONST(+0.173648177666930348851716626769314796000375677);
static const fftw_real K556670399 = FFTW_KONST(+0.556670399226419366452912952047023132968291906);
static const fftw_real K766044443 = FFTW_KONST(+0.766044443118978035202392650555416673935832457);
static const fftw_real K984807753 = FFTW_KONST(+0.984807753012208059366743024589523013670643252);
static const fftw_real K150383733 = FFTW_KONST(+0.150383733180435296639271897612501926072238258);
static const fftw_real K642787609 = FFTW_KONST(+0.642787609686539326322643409907263432907559884);
static const fftw_real K663413948 = FFTW_KONST(+0.663413948168938396205421319635891297216863310);
static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
/*
* Generator Id's :
* $Id: frc_9.c,v 1.1.1.1 2002-03-29 14:12:59 pj Exp $
* $Id: frc_9.c,v 1.1.1.1 2002-03-29 14:12:59 pj Exp $
* $Id: frc_9.c,v 1.1.1.1 2002-03-29 14:12:59 pj Exp $
*/
void fftw_real2hc_9(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride)
{
fftw_real tmp1;
fftw_real tmp15;
fftw_real tmp20;
fftw_real tmp19;
fftw_real tmp4;
fftw_real tmp27;
fftw_real tmp10;
fftw_real tmp18;
fftw_real tmp21;
fftw_real tmp2;
fftw_real tmp3;
fftw_real tmp5;
fftw_real tmp16;
ASSERT_ALIGNED_DOUBLE();
tmp1 = input[0];
{
fftw_real tmp11;
fftw_real tmp12;
fftw_real tmp13;
fftw_real tmp14;
ASSERT_ALIGNED_DOUBLE();
tmp11 = input[2 * istride];
tmp12 = input[5 * istride];
tmp13 = input[8 * istride];
tmp14 = tmp12 + tmp13;
tmp15 = tmp11 + tmp14;
tmp20 = tmp11 - (K500000000 * tmp14);
tmp19 = tmp13 - tmp12;
}
tmp2 = input[3 * istride];
tmp3 = input[6 * istride];
tmp4 = tmp2 + tmp3;
tmp27 = tmp3 - tmp2;
{
fftw_real tmp6;
fftw_real tmp7;
fftw_real tmp8;
fftw_real tmp9;
ASSERT_ALIGNED_DOUBLE();
tmp6 = input[istride];
tmp7 = input[4 * istride];
tmp8 = input[7 * istride];
tmp9 = tmp7 + tmp8;
tmp10 = tmp6 + tmp9;
tmp18 = tmp6 - (K500000000 * tmp9);
tmp21 = tmp8 - tmp7;
}
imag_output[3 * imag_ostride] = K866025403 * (tmp15 - tmp10);
tmp5 = tmp1 + tmp4;
tmp16 = tmp10 + tmp15;
real_output[3 * real_ostride] = tmp5 - (K500000000 * tmp16);
real_output[0] = tmp5 + tmp16;
{
fftw_real tmp29;
fftw_real tmp25;
fftw_real tmp26;
fftw_real tmp28;
fftw_real tmp17;
fftw_real tmp22;
fftw_real tmp23;
fftw_real tmp24;
ASSERT_ALIGNED_DOUBLE();
tmp29 = K866025403 * tmp27;
tmp25 = (K663413948 * tmp21) - (K642787609 * tmp18);
tmp26 = (K150383733 * tmp19) - (K984807753 * tmp20);
tmp28 = tmp25 + tmp26;
tmp17 = tmp1 - (K500000000 * tmp4);
tmp22 = (K766044443 * tmp18) + (K556670399 * tmp21);
tmp23 = (K173648177 * tmp20) + (K852868531 * tmp19);
tmp24 = tmp22 + tmp23;
real_output[real_ostride] = tmp17 + tmp24;
real_output[4 * real_ostride] = tmp17 + (K866025403 * (tmp25 - tmp26)) - (K500000000 * tmp24);
real_output[2 * real_ostride] = tmp17 + (K173648177 * tmp18) - (K296198132 * tmp19) - (K939692620 * tmp20) - (K852868531 * tmp21);
imag_output[imag_ostride] = tmp29 + tmp28;
imag_output[4 * imag_ostride] = (K866025403 * (tmp27 + (tmp23 - tmp22))) - (K500000000 * tmp28);
imag_output[2 * imag_ostride] = (K813797681 * tmp19) - (K342020143 * tmp20) - (K150383733 * tmp21) - (K984807753 * tmp18) - tmp29;
}
}
fftw_codelet_desc fftw_real2hc_9_desc =
{
"fftw_real2hc_9",
(void (*)()) fftw_real2hc_9,
9,
FFTW_FORWARD,
FFTW_REAL2HC,
200,
0,
(const int *) 0,
};