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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 13:54:39 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 15 */
/*
* This function contains 64 FP additions, 25 FP multiplications,
* (or, 50 additions, 11 multiplications, 14 fused multiply/add),
* 40 stack variables, and 30 memory accesses
*/
static const fftw_real K509036960 = FFTW_KONST(+0.509036960455127183450980863393907648510733164);
static const fftw_real K823639103 = FFTW_KONST(+0.823639103546331925877420039278190003029660514);
static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000);
static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590);
static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);
static const fftw_real K484122918 = FFTW_KONST(+0.484122918275927110647408174972799951354115213);
static const fftw_real K216506350 = FFTW_KONST(+0.216506350946109661690930792688234045867850657);
static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
/*
* Generator Id's :
* $Id: frc_15.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
* $Id: frc_15.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
* $Id: frc_15.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
*/
void fftw_real2hc_15(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 tmp53;
fftw_real tmp47;
fftw_real tmp39;
fftw_real tmp40;
fftw_real tmp10;
fftw_real tmp17;
fftw_real tmp18;
fftw_real tmp57;
fftw_real tmp58;
fftw_real tmp59;
fftw_real tmp31;
fftw_real tmp34;
fftw_real tmp43;
fftw_real tmp54;
fftw_real tmp55;
fftw_real tmp56;
fftw_real tmp24;
fftw_real tmp27;
fftw_real tmp42;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp45;
fftw_real tmp1;
fftw_real tmp2;
fftw_real tmp46;
ASSERT_ALIGNED_DOUBLE();
tmp45 = input[0];
tmp1 = input[10 * istride];
tmp2 = input[5 * istride];
tmp46 = tmp2 + tmp1;
tmp3 = tmp1 - tmp2;
tmp53 = tmp45 + tmp46;
tmp47 = tmp45 - (K500000000 * tmp46);
}
{
fftw_real tmp22;
fftw_real tmp29;
fftw_real tmp32;
fftw_real tmp6;
fftw_real tmp23;
fftw_real tmp25;
fftw_real tmp16;
fftw_real tmp33;
fftw_real tmp9;
fftw_real tmp26;
fftw_real tmp13;
fftw_real tmp30;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp4;
fftw_real tmp5;
fftw_real tmp14;
fftw_real tmp15;
ASSERT_ALIGNED_DOUBLE();
tmp22 = input[3 * istride];
tmp29 = input[6 * istride];
tmp32 = input[9 * istride];
tmp4 = input[13 * istride];
tmp5 = input[8 * istride];
tmp6 = tmp4 - tmp5;
tmp23 = tmp5 + tmp4;
tmp25 = input[12 * istride];
tmp14 = input[4 * istride];
tmp15 = input[14 * istride];
tmp16 = tmp14 - tmp15;
tmp33 = tmp15 + tmp14;
{
fftw_real tmp7;
fftw_real tmp8;
fftw_real tmp11;
fftw_real tmp12;
ASSERT_ALIGNED_DOUBLE();
tmp7 = input[7 * istride];
tmp8 = input[2 * istride];
tmp9 = tmp7 - tmp8;
tmp26 = tmp8 + tmp7;
tmp11 = input[istride];
tmp12 = input[11 * istride];
tmp13 = tmp11 - tmp12;
tmp30 = tmp12 + tmp11;
}
}
tmp39 = tmp6 - tmp9;
tmp40 = tmp13 - tmp16;
tmp10 = tmp6 + tmp9;
tmp17 = tmp13 + tmp16;
tmp18 = tmp10 + tmp17;
tmp57 = tmp29 + tmp30;
tmp58 = tmp32 + tmp33;
tmp59 = tmp57 + tmp58;
tmp31 = tmp29 - (K500000000 * tmp30);
tmp34 = tmp32 - (K500000000 * tmp33);
tmp43 = tmp31 + tmp34;
tmp54 = tmp22 + tmp23;
tmp55 = tmp25 + tmp26;
tmp56 = tmp54 + tmp55;
tmp24 = tmp22 - (K500000000 * tmp23);
tmp27 = tmp25 - (K500000000 * tmp26);
tmp42 = tmp24 + tmp27;
}
imag_output[5 * imag_ostride] = -(K866025403 * (tmp3 + tmp18));
{
fftw_real tmp21;
fftw_real tmp37;
fftw_real tmp36;
fftw_real tmp38;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp19;
fftw_real tmp20;
fftw_real tmp28;
fftw_real tmp35;
ASSERT_ALIGNED_DOUBLE();
tmp19 = (K866025403 * tmp3) - (K216506350 * tmp18);
tmp20 = K484122918 * (tmp10 - tmp17);
tmp21 = tmp19 + tmp20;
tmp37 = tmp20 - tmp19;
tmp28 = tmp24 - tmp27;
tmp35 = tmp31 - tmp34;
tmp36 = (K951056516 * tmp28) + (K587785252 * tmp35);
tmp38 = (K951056516 * tmp35) - (K587785252 * tmp28);
}
imag_output[imag_ostride] = tmp21 - tmp36;
imag_output[4 * imag_ostride] = tmp21 + tmp36;
imag_output[2 * imag_ostride] = tmp37 + tmp38;
imag_output[7 * imag_ostride] = tmp38 - tmp37;
}
{
fftw_real tmp63;
fftw_real tmp64;
fftw_real tmp62;
fftw_real tmp60;
fftw_real tmp61;
ASSERT_ALIGNED_DOUBLE();
tmp63 = tmp54 - tmp55;
tmp64 = tmp57 - tmp58;
imag_output[3 * imag_ostride] = (K587785252 * tmp63) - (K951056516 * tmp64);
imag_output[6 * imag_ostride] = -((K951056516 * tmp63) + (K587785252 * tmp64));
tmp62 = K559016994 * (tmp56 - tmp59);
tmp60 = tmp56 + tmp59;
tmp61 = tmp53 - (K250000000 * tmp60);
real_output[3 * real_ostride] = tmp61 - tmp62;
real_output[6 * real_ostride] = tmp62 + tmp61;
real_output[0] = tmp53 + tmp60;
{
fftw_real tmp41;
fftw_real tmp52;
fftw_real tmp44;
fftw_real tmp48;
fftw_real tmp49;
fftw_real tmp51;
fftw_real tmp50;
ASSERT_ALIGNED_DOUBLE();
tmp41 = (K823639103 * tmp39) + (K509036960 * tmp40);
tmp52 = (K509036960 * tmp39) - (K823639103 * tmp40);
tmp44 = K559016994 * (tmp42 - tmp43);
tmp48 = tmp42 + tmp43;
tmp49 = tmp47 - (K250000000 * tmp48);
real_output[5 * real_ostride] = tmp47 + tmp48;
tmp51 = tmp49 - tmp44;
real_output[2 * real_ostride] = tmp51 - tmp52;
real_output[7 * real_ostride] = tmp52 + tmp51;
tmp50 = tmp44 + tmp49;
real_output[real_ostride] = tmp41 + tmp50;
real_output[4 * real_ostride] = tmp50 - tmp41;
}
}
}
fftw_codelet_desc fftw_real2hc_15_desc =
{
"fftw_real2hc_15",
(void (*)()) fftw_real2hc_15,
15,
FFTW_FORWARD,
FFTW_REAL2HC,
332,
0,
(const int *) 0,
};