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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 13:54:38 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 14 */
/*
* This function contains 62 FP additions, 36 FP multiplications,
* (or, 62 additions, 36 multiplications, 0 fused multiply/add),
* 22 stack variables, and 28 memory accesses
*/
static const fftw_real K900968867 = FFTW_KONST(+0.900968867902419126236102319507445051165919162);
static const fftw_real K222520933 = FFTW_KONST(+0.222520933956314404288902564496794759466355569);
static const fftw_real K623489801 = FFTW_KONST(+0.623489801858733530525004884004239810632274731);
static const fftw_real K433883739 = FFTW_KONST(+0.433883739117558120475768332848358754609990728);
static const fftw_real K974927912 = FFTW_KONST(+0.974927912181823607018131682993931217232785801);
static const fftw_real K781831482 = FFTW_KONST(+0.781831482468029808708444526674057750232334519);
/*
* Generator Id's :
* $Id: frc_14.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
* $Id: frc_14.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
* $Id: frc_14.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
*/
void fftw_real2hc_14(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride)
{
fftw_real tmp3;
fftw_real tmp37;
fftw_real tmp6;
fftw_real tmp31;
fftw_real tmp23;
fftw_real tmp28;
fftw_real tmp20;
fftw_real tmp29;
fftw_real tmp13;
fftw_real tmp34;
fftw_real tmp9;
fftw_real tmp32;
fftw_real tmp16;
fftw_real tmp35;
fftw_real tmp1;
fftw_real tmp2;
ASSERT_ALIGNED_DOUBLE();
tmp1 = input[0];
tmp2 = input[7 * istride];
tmp3 = tmp1 - tmp2;
tmp37 = tmp1 + tmp2;
{
fftw_real tmp4;
fftw_real tmp5;
fftw_real tmp21;
fftw_real tmp22;
ASSERT_ALIGNED_DOUBLE();
tmp4 = input[4 * istride];
tmp5 = input[11 * istride];
tmp6 = tmp4 - tmp5;
tmp31 = tmp4 + tmp5;
tmp21 = input[12 * istride];
tmp22 = input[5 * istride];
tmp23 = tmp21 - tmp22;
tmp28 = tmp21 + tmp22;
}
{
fftw_real tmp18;
fftw_real tmp19;
fftw_real tmp11;
fftw_real tmp12;
ASSERT_ALIGNED_DOUBLE();
tmp18 = input[2 * istride];
tmp19 = input[9 * istride];
tmp20 = tmp18 - tmp19;
tmp29 = tmp18 + tmp19;
tmp11 = input[6 * istride];
tmp12 = input[13 * istride];
tmp13 = tmp11 - tmp12;
tmp34 = tmp11 + tmp12;
}
{
fftw_real tmp7;
fftw_real tmp8;
fftw_real tmp14;
fftw_real tmp15;
ASSERT_ALIGNED_DOUBLE();
tmp7 = input[10 * istride];
tmp8 = input[3 * istride];
tmp9 = tmp7 - tmp8;
tmp32 = tmp7 + tmp8;
tmp14 = input[8 * istride];
tmp15 = input[istride];
tmp16 = tmp14 - tmp15;
tmp35 = tmp14 + tmp15;
}
{
fftw_real tmp25;
fftw_real tmp27;
fftw_real tmp26;
fftw_real tmp10;
fftw_real tmp24;
fftw_real tmp17;
ASSERT_ALIGNED_DOUBLE();
tmp25 = tmp23 - tmp20;
tmp27 = tmp16 - tmp13;
tmp26 = tmp9 - tmp6;
imag_output[imag_ostride] = (K781831482 * tmp25) + (K974927912 * tmp26) + (K433883739 * tmp27);
imag_output[5 * imag_ostride] = -((K974927912 * tmp25) - (K781831482 * tmp27) - (K433883739 * tmp26));
imag_output[3 * imag_ostride] = (K433883739 * tmp25) + (K974927912 * tmp27) - (K781831482 * tmp26);
tmp10 = tmp6 + tmp9;
tmp24 = tmp20 + tmp23;
tmp17 = tmp13 + tmp16;
real_output[3 * real_ostride] = tmp3 + (K623489801 * tmp10) - (K222520933 * tmp17) - (K900968867 * tmp24);
real_output[7 * real_ostride] = tmp3 + tmp24 + tmp10 + tmp17;
real_output[real_ostride] = tmp3 + (K623489801 * tmp24) - (K900968867 * tmp17) - (K222520933 * tmp10);
real_output[5 * real_ostride] = tmp3 + (K623489801 * tmp17) - (K900968867 * tmp10) - (K222520933 * tmp24);
}
{
fftw_real tmp30;
fftw_real tmp36;
fftw_real tmp33;
fftw_real tmp38;
fftw_real tmp40;
fftw_real tmp39;
ASSERT_ALIGNED_DOUBLE();
tmp30 = tmp28 - tmp29;
tmp36 = tmp34 - tmp35;
tmp33 = tmp31 - tmp32;
imag_output[2 * imag_ostride] = (K974927912 * tmp30) + (K433883739 * tmp33) + (K781831482 * tmp36);
imag_output[6 * imag_ostride] = -((K781831482 * tmp30) - (K433883739 * tmp36) - (K974927912 * tmp33));
imag_output[4 * imag_ostride] = -((K433883739 * tmp30) + (K781831482 * tmp33) - (K974927912 * tmp36));
tmp38 = tmp29 + tmp28;
tmp40 = tmp31 + tmp32;
tmp39 = tmp34 + tmp35;
real_output[6 * real_ostride] = tmp37 + (K623489801 * tmp38) - (K900968867 * tmp39) - (K222520933 * tmp40);
real_output[2 * real_ostride] = tmp37 + (K623489801 * tmp39) - (K900968867 * tmp40) - (K222520933 * tmp38);
real_output[4 * real_ostride] = tmp37 + (K623489801 * tmp40) - (K222520933 * tmp39) - (K900968867 * tmp38);
real_output[0] = tmp37 + tmp38 + tmp40 + tmp39;
}
}
fftw_codelet_desc fftw_real2hc_14_desc =
{
"fftw_real2hc_14",
(void (*)()) fftw_real2hc_14,
14,
FFTW_FORWARD,
FFTW_REAL2HC,
310,
0,
(const int *) 0,
};