Rev 107 |
Blame |
Compare with Previous |
Last modification |
View Log
| RSS feed
/*
* 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 13:55:30 EDT 1999 */
#include <fftw-int.h>
#include <fftw.h>
/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-forward 5 */
/*
* This function contains 64 FP additions, 40 FP multiplications,
* (or, 44 additions, 20 multiplications, 20 fused multiply/add),
* 27 stack variables, and 40 memory accesses
*/
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);
/*
* Generator Id's :
* $Id: fhf_5.c,v 1.2 2003-03-24 11:14:58 pj Exp $
* $Id: fhf_5.c,v 1.2 2003-03-24 11:14:58 pj Exp $
* $Id: fhf_5.c,v 1.2 2003-03-24 11:14:58 pj Exp $
*/
void fftw_hc2hc_forward_5(fftw_real *A, const fftw_complex *W, int iostride, int m, int dist)
{
int i;
fftw_real *X;
fftw_real *Y;
X = A;
Y = A + (5 * iostride);
{
fftw_real tmp70;
fftw_real tmp67;
fftw_real tmp68;
fftw_real tmp63;
fftw_real tmp71;
fftw_real tmp66;
fftw_real tmp69;
fftw_real tmp72;
ASSERT_ALIGNED_DOUBLE();
tmp70 = X[0];
{
fftw_real tmp61;
fftw_real tmp62;
fftw_real tmp64;
fftw_real tmp65;
ASSERT_ALIGNED_DOUBLE();
tmp61 = X[4 * iostride];
tmp62 = X[iostride];
tmp67 = tmp62 + tmp61;
tmp64 = X[2 * iostride];
tmp65 = X[3 * iostride];
tmp68 = tmp64 + tmp65;
tmp63 = tmp61 - tmp62;
tmp71 = tmp67 + tmp68;
tmp66 = tmp64 - tmp65;
}
Y[-iostride] = (K951056516 * tmp63) - (K587785252 * tmp66);
Y[-2 * iostride] = (K587785252 * tmp63) + (K951056516 * tmp66);
X[0] = tmp70 + tmp71;
tmp69 = K559016994 * (tmp67 - tmp68);
tmp72 = tmp70 - (K250000000 * tmp71);
X[iostride] = tmp69 + tmp72;
X[2 * iostride] = tmp72 - tmp69;
}
X = X + dist;
Y = Y - dist;
for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 4) {
fftw_real tmp13;
fftw_real tmp52;
fftw_real tmp42;
fftw_real tmp45;
fftw_real tmp49;
fftw_real tmp50;
fftw_real tmp51;
fftw_real tmp54;
fftw_real tmp53;
fftw_real tmp24;
fftw_real tmp35;
fftw_real tmp36;
ASSERT_ALIGNED_DOUBLE();
tmp13 = X[0];
tmp52 = Y[-4 * iostride];
{
fftw_real tmp18;
fftw_real tmp40;
fftw_real tmp34;
fftw_real tmp44;
fftw_real tmp23;
fftw_real tmp41;
fftw_real tmp29;
fftw_real tmp43;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp15;
fftw_real tmp17;
fftw_real tmp14;
fftw_real tmp16;
ASSERT_ALIGNED_DOUBLE();
tmp15 = X[iostride];
tmp17 = Y[-3 * iostride];
tmp14 = c_re(W[0]);
tmp16 = c_im(W[0]);
tmp18 = (tmp14 * tmp15) - (tmp16 * tmp17);
tmp40 = (tmp16 * tmp15) + (tmp14 * tmp17);
}
{
fftw_real tmp31;
fftw_real tmp33;
fftw_real tmp30;
fftw_real tmp32;
ASSERT_ALIGNED_DOUBLE();
tmp31 = X[3 * iostride];
tmp33 = Y[-iostride];
tmp30 = c_re(W[2]);
tmp32 = c_im(W[2]);
tmp34 = (tmp30 * tmp31) - (tmp32 * tmp33);
tmp44 = (tmp32 * tmp31) + (tmp30 * tmp33);
}
{
fftw_real tmp20;
fftw_real tmp22;
fftw_real tmp19;
fftw_real tmp21;
ASSERT_ALIGNED_DOUBLE();
tmp20 = X[4 * iostride];
tmp22 = Y[0];
tmp19 = c_re(W[3]);
tmp21 = c_im(W[3]);
tmp23 = (tmp19 * tmp20) - (tmp21 * tmp22);
tmp41 = (tmp21 * tmp20) + (tmp19 * tmp22);
}
{
fftw_real tmp26;
fftw_real tmp28;
fftw_real tmp25;
fftw_real tmp27;
ASSERT_ALIGNED_DOUBLE();
tmp26 = X[2 * iostride];
tmp28 = Y[-2 * iostride];
tmp25 = c_re(W[1]);
tmp27 = c_im(W[1]);
tmp29 = (tmp25 * tmp26) - (tmp27 * tmp28);
tmp43 = (tmp27 * tmp26) + (tmp25 * tmp28);
}
tmp42 = tmp40 - tmp41;
tmp45 = tmp43 - tmp44;
tmp49 = tmp40 + tmp41;
tmp50 = tmp43 + tmp44;
tmp51 = tmp49 + tmp50;
tmp54 = tmp29 - tmp34;
tmp53 = tmp18 - tmp23;
tmp24 = tmp18 + tmp23;
tmp35 = tmp29 + tmp34;
tmp36 = tmp24 + tmp35;
}
X[0] = tmp13 + tmp36;
{
fftw_real tmp46;
fftw_real tmp48;
fftw_real tmp39;
fftw_real tmp47;
fftw_real tmp37;
fftw_real tmp38;
ASSERT_ALIGNED_DOUBLE();
tmp46 = (K951056516 * tmp42) + (K587785252 * tmp45);
tmp48 = (K951056516 * tmp45) - (K587785252 * tmp42);
tmp37 = K559016994 * (tmp24 - tmp35);
tmp38 = tmp13 - (K250000000 * tmp36);
tmp39 = tmp37 + tmp38;
tmp47 = tmp38 - tmp37;
Y[-4 * iostride] = tmp39 - tmp46;
X[iostride] = tmp39 + tmp46;
X[2 * iostride] = tmp47 - tmp48;
Y[-3 * iostride] = tmp47 + tmp48;
}
Y[0] = tmp51 + tmp52;
{
fftw_real tmp55;
fftw_real tmp60;
fftw_real tmp58;
fftw_real tmp59;
fftw_real tmp56;
fftw_real tmp57;
ASSERT_ALIGNED_DOUBLE();
tmp55 = (K951056516 * tmp53) + (K587785252 * tmp54);
tmp60 = (K951056516 * tmp54) - (K587785252 * tmp53);
tmp56 = K559016994 * (tmp49 - tmp50);
tmp57 = tmp52 - (K250000000 * tmp51);
tmp58 = tmp56 + tmp57;
tmp59 = tmp57 - tmp56;
X[4 * iostride] = -(tmp55 + tmp58);
Y[-iostride] = tmp58 - tmp55;
X[3 * iostride] = -(tmp59 - tmp60);
Y[-2 * iostride] = tmp60 + tmp59;
}
}
if (i == m) {
fftw_real tmp8;
fftw_real tmp3;
fftw_real tmp6;
fftw_real tmp9;
fftw_real tmp12;
fftw_real tmp11;
fftw_real tmp7;
fftw_real tmp10;
ASSERT_ALIGNED_DOUBLE();
tmp8 = X[0];
{
fftw_real tmp1;
fftw_real tmp2;
fftw_real tmp4;
fftw_real tmp5;
ASSERT_ALIGNED_DOUBLE();
tmp1 = X[2 * iostride];
tmp2 = X[3 * iostride];
tmp3 = tmp1 - tmp2;
tmp4 = X[4 * iostride];
tmp5 = X[iostride];
tmp6 = tmp4 - tmp5;
tmp9 = tmp3 + tmp6;
tmp12 = tmp4 + tmp5;
tmp11 = tmp1 + tmp2;
}
X[2 * iostride] = tmp8 + tmp9;
tmp7 = K559016994 * (tmp3 - tmp6);
tmp10 = tmp8 - (K250000000 * tmp9);
X[0] = tmp7 + tmp10;
X[iostride] = tmp10 - tmp7;
Y[0] = -((K951056516 * tmp11) + (K587785252 * tmp12));
Y[-iostride] = -((K951056516 * tmp12) - (K587785252 * tmp11));
}
}
static const int twiddle_order[] =
{1, 2, 3, 4};
fftw_codelet_desc fftw_hc2hc_forward_5_desc =
{
"fftw_hc2hc_forward_5",
(void (*)()) fftw_hc2hc_forward_5,
5,
FFTW_FORWARD,
FFTW_HC2HC,
113,
4,
twiddle_order,
};