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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 <fftw-int.h>
#include <fftw.h>
/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 9 */
/*
* This function contains 32 FP additions, 18 FP multiplications,
* (or, 22 additions, 8 multiplications, 10 fused multiply/add),
* 22 stack variables, and 18 memory accesses
*/
static const fftw_real K984807753 = FFTW_KONST(+0.984807753012208059366743024589523013670643252);
static const fftw_real K173648177 = FFTW_KONST(+0.173648177666930348851716626769314796000375677);
static const fftw_real K300767466 = FFTW_KONST(+0.300767466360870593278543795225003852144476517);
static const fftw_real K1_705737063 = FFTW_KONST(+1.705737063904886419256501927880148143872040591);
static const fftw_real K642787609 = FFTW_KONST(+0.642787609686539326322643409907263432907559884);
static const fftw_real K766044443 = FFTW_KONST(+0.766044443118978035202392650555416673935832457);
static const fftw_real K1_326827896 = FFTW_KONST(+1.326827896337876792410842639271782594433726619);
static const fftw_real K1_113340798 = FFTW_KONST(+1.113340798452838732905825904094046265936583811);
static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254);
/*
* Generator Id's :
* $Id: fcr_9.c,v 1.2 2003-03-24 11:14:56 pj Exp $
* $Id: fcr_9.c,v 1.2 2003-03-24 11:14:56 pj Exp $
* $Id: fcr_9.c,v 1.2 2003-03-24 11:14:56 pj Exp $
*/
void fftw_hc2real_9(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 tmp26;
fftw_real tmp12;
fftw_real tmp20;
fftw_real tmp19;
fftw_real tmp8;
fftw_real tmp17;
fftw_real tmp27;
fftw_real tmp22;
fftw_real tmp28;
fftw_real tmp32;
fftw_real tmp33;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp11;
fftw_real tmp1;
fftw_real tmp2;
fftw_real tmp9;
fftw_real tmp10;
ASSERT_ALIGNED_DOUBLE();
tmp10 = imag_input[3 * imag_istride];
tmp11 = K1_732050807 * tmp10;
tmp1 = real_input[0];
tmp2 = real_input[3 * real_istride];
tmp9 = tmp1 - tmp2;
tmp3 = tmp1 + (K2_000000000 * tmp2);
tmp26 = tmp9 + tmp11;
tmp12 = tmp9 - tmp11;
}
{
fftw_real tmp4;
fftw_real tmp7;
fftw_real tmp18;
fftw_real tmp16;
fftw_real tmp13;
fftw_real tmp21;
ASSERT_ALIGNED_DOUBLE();
tmp4 = real_input[real_istride];
tmp20 = imag_input[imag_istride];
{
fftw_real tmp5;
fftw_real tmp6;
fftw_real tmp14;
fftw_real tmp15;
ASSERT_ALIGNED_DOUBLE();
tmp5 = real_input[4 * real_istride];
tmp6 = real_input[2 * real_istride];
tmp7 = tmp5 + tmp6;
tmp18 = K866025403 * (tmp5 - tmp6);
tmp14 = imag_input[4 * imag_istride];
tmp15 = imag_input[2 * imag_istride];
tmp16 = K866025403 * (tmp14 + tmp15);
tmp19 = tmp15 - tmp14;
}
tmp8 = tmp4 + tmp7;
tmp13 = tmp4 - (K500000000 * tmp7);
tmp17 = tmp13 - tmp16;
tmp27 = tmp13 + tmp16;
tmp21 = (K500000000 * tmp19) + tmp20;
tmp22 = tmp18 + tmp21;
tmp28 = tmp21 - tmp18;
}
output[0] = tmp3 + (K2_000000000 * tmp8);
tmp32 = tmp3 - tmp8;
tmp33 = K1_732050807 * (tmp20 - tmp19);
output[3 * ostride] = tmp32 - tmp33;
output[6 * ostride] = tmp32 + tmp33;
{
fftw_real tmp25;
fftw_real tmp23;
fftw_real tmp24;
fftw_real tmp31;
fftw_real tmp29;
fftw_real tmp30;
ASSERT_ALIGNED_DOUBLE();
tmp25 = (K1_113340798 * tmp17) + (K1_326827896 * tmp22);
tmp23 = (K766044443 * tmp17) - (K642787609 * tmp22);
tmp24 = tmp12 - tmp23;
output[ostride] = tmp12 + (K2_000000000 * tmp23);
output[7 * ostride] = tmp24 + tmp25;
output[4 * ostride] = tmp24 - tmp25;
tmp31 = (K1_705737063 * tmp27) + (K300767466 * tmp28);
tmp29 = (K173648177 * tmp27) - (K984807753 * tmp28);
tmp30 = tmp26 - tmp29;
output[2 * ostride] = tmp26 + (K2_000000000 * tmp29);
output[8 * ostride] = tmp30 + tmp31;
output[5 * ostride] = tmp30 - tmp31;
}
}
fftw_codelet_desc fftw_hc2real_9_desc =
{
"fftw_hc2real_9",
(void (*)()) fftw_hc2real_9,
9,
FFTW_BACKWARD,
FFTW_HC2REAL,
213,
0,
(const int *) 0,
};