/*
* Copyright (c) 1997-1999, 2003 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 Mon Mar 24 02:05:59 EST 2003 */
#include "fftw-int.h"
#include "fftw.h"
/* Generated by: /homee/stevenj/cvs/fftw/gensrc/genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 13 */
/*
* This function contains 76 FP additions, 34 FP multiplications,
* (or, 57 additions, 15 multiplications, 19 fused multiply/add),
* 34 stack variables, and 26 memory accesses
*/
static const fftw_real K083333333 =
FFTW_KONST(+0.083333333333333333333333333333333333333333333);
static const fftw_real K075902986 =
FFTW_KONST(+0.075902986037193865983102897245103540356428373);
static const fftw_real K251768516 =
FFTW_KONST(+0.251768516431883313623436926934233488546674281);
static const fftw_real K503537032 =
FFTW_KONST(+0.503537032863766627246873853868466977093348562);
static const fftw_real K113854479 =
FFTW_KONST(+0.113854479055790798974654345867655310534642560);
static const fftw_real K265966249 =
FFTW_KONST(+0.265966249214837287587521063842185948798330267);
static const fftw_real K387390585 =
FFTW_KONST(+0.387390585467617292130675966426762851778775217);
static const fftw_real K300462606 =
FFTW_KONST(+0.300462606288665774426601772289207995520941381);
static const fftw_real K258260390 =
FFTW_KONST(+0.258260390311744861420450644284508567852516811);
static const fftw_real K132983124 =
FFTW_KONST(+0.132983124607418643793760531921092974399165133);
static const fftw_real K2_000000000 =
FFTW_KONST(+2.000000000000000000000000000000000000000000000);
static const fftw_real K1_732050807 =
FFTW_KONST(+1.732050807568877293527446341505872366942805254);
static const fftw_real K156891391 =
FFTW_KONST(+0.156891391051584611046832726756003269660212636);
static const fftw_real K256247671 =
FFTW_KONST(+0.256247671582936600958684654061725059144125175);
static const fftw_real K011599105 =
FFTW_KONST(+0.011599105605768290721655456654083252189827041);
static const fftw_real K300238635 =
FFTW_KONST(+0.300238635966332641462884626667381504676006424);
static const fftw_real K174138601 =
FFTW_KONST(+0.174138601152135905005660794929264742616964676);
static const fftw_real K575140729 =
FFTW_KONST(+0.575140729474003121368385547455453388461001608);
static const fftw_real K866025403 =
FFTW_KONST(+0.866025403784438646763723170752936183471402627);
static const fftw_real K500000000 =
FFTW_KONST(+0.500000000000000000000000000000000000000000000);
/*
* Generator Id's :
* $Id: exprdag.ml,v 1.43 2003/03/16 23:43:46 stevenj Exp $
* $Id: fft.ml,v 1.44 2003/03/16 23:43:46 stevenj Exp $
* $Id: to_c.ml,v 1.26 2003/03/16 23:43:46 stevenj Exp $
*/
void fftw_real2hc_13(const fftw_real *input, fftw_real *real_output,
fftw_real *imag_output, int istride, int real_ostride,
int imag_ostride)
{
fftw_real tmp65;
fftw_real tmp36;
fftw_real tmp19;
fftw_real tmp32;
fftw_real tmp51;
fftw_real tmp62;
fftw_real tmp39;
fftw_real tmp58;
fftw_real tmp59;
fftw_real tmp66;
fftw_real tmp56;
fftw_real tmp63;
fftw_real tmp30;
fftw_real tmp33;
ASSERT_ALIGNED_DOUBLE;
tmp65 = input[0];
{
fftw_real tmp3;
fftw_real tmp53;
fftw_real tmp17;
fftw_real tmp38;
fftw_real tmp28;
fftw_real tmp14;
fftw_real tmp37;
fftw_real tmp25;
fftw_real tmp6;
fftw_real tmp20;
fftw_real tmp9;
fftw_real tmp21;
fftw_real tmp10;
fftw_real tmp54;
fftw_real tmp1;
fftw_real tmp2;
ASSERT_ALIGNED_DOUBLE;
tmp1 = input[8 * istride];
tmp2 = input[5 * istride];
tmp3 = tmp1 - tmp2;
tmp53 = tmp1 + tmp2;
{
fftw_real tmp26;
fftw_real tmp15;
fftw_real tmp16;
fftw_real tmp27;
ASSERT_ALIGNED_DOUBLE;
tmp26 = input[12 * istride];
tmp15 = input[4 * istride];
tmp16 = input[10 * istride];
tmp27 = tmp15 + tmp16;
tmp17 = tmp15 - tmp16;
tmp38 = tmp26 + tmp27;
tmp28 = tmp26 - (K500000000 * tmp27);
}
{
fftw_real tmp23;
fftw_real tmp12;
fftw_real tmp13;
fftw_real tmp24;
ASSERT_ALIGNED_DOUBLE;
tmp23 = input[istride];
tmp12 = input[3 * istride];
tmp13 = input[9 * istride];
tmp24 = tmp12 + tmp13;
tmp14 = tmp12 - tmp13;
tmp37 = tmp23 + tmp24;
tmp25 = tmp23 - (K500000000 * tmp24);
}
{
fftw_real tmp4;
fftw_real tmp5;
fftw_real tmp7;
fftw_real tmp8;
ASSERT_ALIGNED_DOUBLE;
tmp4 = input[6 * istride];
tmp5 = input[11 * istride];
tmp6 = tmp4 - tmp5;
tmp20 = tmp4 + tmp5;
tmp7 = input[2 * istride];
tmp8 = input[7 * istride];
tmp9 = tmp7 - tmp8;
tmp21 = tmp7 + tmp8;
}
tmp10 = tmp6 + tmp9;
tmp54 = tmp20 + tmp21;
tmp36 = tmp3 - tmp10;
{
fftw_real tmp11;
fftw_real tmp18;
fftw_real tmp49;
fftw_real tmp50;
ASSERT_ALIGNED_DOUBLE;
tmp11 = tmp3 + (K500000000 * tmp10);
tmp18 = K866025403 * (tmp14 + tmp17);
tmp19 = tmp11 - tmp18;
tmp32 = tmp11 + tmp18;
tmp49 = tmp9 - tmp6;
tmp50 = tmp14 - tmp17;
tmp51 = tmp49 - tmp50;
tmp62 = tmp49 + tmp50;
}
tmp39 = tmp37 - tmp38;
tmp58 = tmp37 + tmp38;
tmp59 = tmp53 + tmp54;
tmp66 = tmp59 + tmp58;
{
fftw_real tmp52;
fftw_real tmp55;
fftw_real tmp22;
fftw_real tmp29;
ASSERT_ALIGNED_DOUBLE;
tmp52 = tmp25 + tmp28;
tmp55 = tmp53 - (K500000000 * tmp54);
tmp56 = tmp52 - tmp55;
tmp63 = tmp55 + tmp52;
tmp22 = K866025403 * (tmp20 - tmp21);
tmp29 = tmp25 - tmp28;
tmp30 = tmp22 + tmp29;
tmp33 = tmp29 - tmp22;
}
}
real_output[0] = tmp66 + tmp65;
{
fftw_real tmp40;
fftw_real tmp46;
fftw_real tmp35;
fftw_real tmp48;
fftw_real tmp43;
fftw_real tmp45;
fftw_real tmp44;
fftw_real tmp47;
ASSERT_ALIGNED_DOUBLE;
tmp40 = (K575140729 * tmp36) - (K174138601 * tmp39);
tmp46 = (K174138601 * tmp36) + (K575140729 * tmp39);
{
fftw_real tmp31;
fftw_real tmp34;
fftw_real tmp41;
fftw_real tmp42;
ASSERT_ALIGNED_DOUBLE;
tmp31 = (K300238635 * tmp19) + (K011599105 * tmp30);
tmp34 = (K256247671 * tmp32) + (K156891391 * tmp33);
tmp35 = tmp31 - tmp34;
tmp48 = K1_732050807 * (tmp31 + tmp34);
tmp41 = (K300238635 * tmp30) - (K011599105 * tmp19);
tmp42 = (K156891391 * tmp32) - (K256247671 * tmp33);
tmp43 = K1_732050807 * (tmp41 - tmp42);
tmp45 = tmp41 + tmp42;
}
imag_output[imag_ostride] = (K2_000000000 * tmp35) + tmp40;
tmp44 = tmp40 - tmp35;
imag_output[4 * imag_ostride] = -(tmp43 + tmp44);
imag_output[3 * imag_ostride] = tmp44 - tmp43;
imag_output[5 * imag_ostride] =
-((K2_000000000 * tmp45) + tmp46);
tmp47 = tmp45 - tmp46;
imag_output[2 * imag_ostride] = tmp47 - tmp48;
imag_output[6 * imag_ostride] = tmp48 + tmp47;
}
{
fftw_real tmp61;
fftw_real tmp70;
fftw_real tmp74;
fftw_real tmp76;
fftw_real tmp68;
fftw_real tmp69;
fftw_real tmp57;
fftw_real tmp60;
fftw_real tmp71;
fftw_real tmp75;
ASSERT_ALIGNED_DOUBLE;
tmp57 = (K132983124 * tmp51) + (K258260390 * tmp56);
tmp60 = K300462606 * (tmp58 - tmp59);
tmp61 = (K2_000000000 * tmp57) + tmp60;
tmp70 = tmp60 - tmp57;
{
fftw_real tmp72;
fftw_real tmp73;
fftw_real tmp64;
fftw_real tmp67;
ASSERT_ALIGNED_DOUBLE;
tmp72 = (K387390585 * tmp51) - (K265966249 * tmp56);
tmp73 = (K113854479 * tmp62) - (K503537032 * tmp63);
tmp74 = tmp72 + tmp73;
tmp76 = tmp73 - tmp72;
tmp64 = (K251768516 * tmp62) + (K075902986 * tmp63);
tmp67 = tmp65 - (K083333333 * tmp66);
tmp68 = (K2_000000000 * tmp64) + tmp67;
tmp69 = tmp67 - tmp64;
}
real_output[real_ostride] = tmp61 + tmp68;
real_output[5 * real_ostride] = tmp68 - tmp61;
tmp71 = tmp69 - tmp70;
real_output[2 * real_ostride] = tmp71 - tmp74;
real_output[6 * real_ostride] = tmp74 + tmp71;
tmp75 = tmp70 + tmp69;
real_output[3 * real_ostride] = tmp75 - tmp76;
real_output[4 * real_ostride] = tmp76 + tmp75;
}
}
fftw_codelet_desc fftw_real2hc_13_desc = {
"fftw_real2hc_13",
(void (*)()) fftw_real2hc_13,
13,
FFTW_FORWARD,
FFTW_REAL2HC,
288,
0,
(const int *) 0,
};
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