ref: 4f9a9087f16b92662389be3dc0589629359ac8a4
dir: /libfaad/fftw/ftw_10.c/
/*
* 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 Sun Nov 7 20:44:36 EST 1999 */
#include <fftw-int.h>
#include <fftw.h>
/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -twiddle 10 */
/*
* This function contains 102 FP additions, 60 FP multiplications,
* (or, 72 additions, 30 multiplications, 30 fused multiply/add),
* 42 stack variables, and 40 memory accesses
*/
static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);
static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000);
static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590);
/*
* Generator Id's :
* $Id: ftw_10.c,v 1.1 2002/04/07 21:26:04 menno Exp $
* $Id: ftw_10.c,v 1.1 2002/04/07 21:26:04 menno Exp $
* $Id: ftw_10.c,v 1.1 2002/04/07 21:26:04 menno Exp $
*/
void fftw_twiddle_10(fftw_complex *A, const fftw_complex *W, int iostride, int m, int dist)
{
int i;
fftw_complex *inout;
inout = A;
for (i = m; i > 0; i = i - 1, inout = inout + dist, W = W + 9) {
fftw_real tmp7;
fftw_real tmp55;
fftw_real tmp100;
fftw_real tmp112;
fftw_real tmp41;
fftw_real tmp52;
fftw_real tmp53;
fftw_real tmp59;
fftw_real tmp60;
fftw_real tmp61;
fftw_real tmp75;
fftw_real tmp78;
fftw_real tmp110;
fftw_real tmp86;
fftw_real tmp87;
fftw_real tmp96;
fftw_real tmp18;
fftw_real tmp29;
fftw_real tmp30;
fftw_real tmp56;
fftw_real tmp57;
fftw_real tmp58;
fftw_real tmp68;
fftw_real tmp71;
fftw_real tmp109;
fftw_real tmp89;
fftw_real tmp90;
fftw_real tmp95;
ASSERT_ALIGNED_DOUBLE;
{
fftw_real tmp1;
fftw_real tmp99;
fftw_real tmp6;
fftw_real tmp98;
ASSERT_ALIGNED_DOUBLE;
tmp1 = c_re(inout[0]);
tmp99 = c_im(inout[0]);
{
fftw_real tmp3;
fftw_real tmp5;
fftw_real tmp2;
fftw_real tmp4;
ASSERT_ALIGNED_DOUBLE;
tmp3 = c_re(inout[5 * iostride]);
tmp5 = c_im(inout[5 * iostride]);
tmp2 = c_re(W[4]);
tmp4 = c_im(W[4]);
tmp6 = (tmp2 * tmp3) - (tmp4 * tmp5);
tmp98 = (tmp4 * tmp3) + (tmp2 * tmp5);
}
tmp7 = tmp1 - tmp6;
tmp55 = tmp1 + tmp6;
tmp100 = tmp98 + tmp99;
tmp112 = tmp99 - tmp98;
}
{
fftw_real tmp35;
fftw_real tmp73;
fftw_real tmp51;
fftw_real tmp77;
fftw_real tmp40;
fftw_real tmp74;
fftw_real tmp46;
fftw_real tmp76;
ASSERT_ALIGNED_DOUBLE;
{
fftw_real tmp32;
fftw_real tmp34;
fftw_real tmp31;
fftw_real tmp33;
ASSERT_ALIGNED_DOUBLE;
tmp32 = c_re(inout[4 * iostride]);
tmp34 = c_im(inout[4 * iostride]);
tmp31 = c_re(W[3]);
tmp33 = c_im(W[3]);
tmp35 = (tmp31 * tmp32) - (tmp33 * tmp34);
tmp73 = (tmp33 * tmp32) + (tmp31 * tmp34);
}
{
fftw_real tmp48;
fftw_real tmp50;
fftw_real tmp47;
fftw_real tmp49;
ASSERT_ALIGNED_DOUBLE;
tmp48 = c_re(inout[iostride]);
tmp50 = c_im(inout[iostride]);
tmp47 = c_re(W[0]);
tmp49 = c_im(W[0]);
tmp51 = (tmp47 * tmp48) - (tmp49 * tmp50);
tmp77 = (tmp49 * tmp48) + (tmp47 * tmp50);
}
{
fftw_real tmp37;
fftw_real tmp39;
fftw_real tmp36;
fftw_real tmp38;
ASSERT_ALIGNED_DOUBLE;
tmp37 = c_re(inout[9 * iostride]);
tmp39 = c_im(inout[9 * iostride]);
tmp36 = c_re(W[8]);
tmp38 = c_im(W[8]);
tmp40 = (tmp36 * tmp37) - (tmp38 * tmp39);
tmp74 = (tmp38 * tmp37) + (tmp36 * tmp39);
}
{
fftw_real tmp43;
fftw_real tmp45;
fftw_real tmp42;
fftw_real tmp44;
ASSERT_ALIGNED_DOUBLE;
tmp43 = c_re(inout[6 * iostride]);
tmp45 = c_im(inout[6 * iostride]);
tmp42 = c_re(W[5]);
tmp44 = c_im(W[5]);
tmp46 = (tmp42 * tmp43) - (tmp44 * tmp45);
tmp76 = (tmp44 * tmp43) + (tmp42 * tmp45);
}
tmp41 = tmp35 - tmp40;
tmp52 = tmp46 - tmp51;
tmp53 = tmp41 + tmp52;
tmp59 = tmp35 + tmp40;
tmp60 = tmp46 + tmp51;
tmp61 = tmp59 + tmp60;
tmp75 = tmp73 - tmp74;
tmp78 = tmp76 - tmp77;
tmp110 = tmp75 + tmp78;
tmp86 = tmp73 + tmp74;
tmp87 = tmp76 + tmp77;
tmp96 = tmp86 + tmp87;
}
{
fftw_real tmp12;
fftw_real tmp66;
fftw_real tmp28;
fftw_real tmp70;
fftw_real tmp17;
fftw_real tmp67;
fftw_real tmp23;
fftw_real tmp69;
ASSERT_ALIGNED_DOUBLE;
{
fftw_real tmp9;
fftw_real tmp11;
fftw_real tmp8;
fftw_real tmp10;
ASSERT_ALIGNED_DOUBLE;
tmp9 = c_re(inout[2 * iostride]);
tmp11 = c_im(inout[2 * iostride]);
tmp8 = c_re(W[1]);
tmp10 = c_im(W[1]);
tmp12 = (tmp8 * tmp9) - (tmp10 * tmp11);
tmp66 = (tmp10 * tmp9) + (tmp8 * tmp11);
}
{
fftw_real tmp25;
fftw_real tmp27;
fftw_real tmp24;
fftw_real tmp26;
ASSERT_ALIGNED_DOUBLE;
tmp25 = c_re(inout[3 * iostride]);
tmp27 = c_im(inout[3 * iostride]);
tmp24 = c_re(W[2]);
tmp26 = c_im(W[2]);
tmp28 = (tmp24 * tmp25) - (tmp26 * tmp27);
tmp70 = (tmp26 * tmp25) + (tmp24 * tmp27);
}
{
fftw_real tmp14;
fftw_real tmp16;
fftw_real tmp13;
fftw_real tmp15;
ASSERT_ALIGNED_DOUBLE;
tmp14 = c_re(inout[7 * iostride]);
tmp16 = c_im(inout[7 * iostride]);
tmp13 = c_re(W[6]);
tmp15 = c_im(W[6]);
tmp17 = (tmp13 * tmp14) - (tmp15 * tmp16);
tmp67 = (tmp15 * tmp14) + (tmp13 * tmp16);
}
{
fftw_real tmp20;
fftw_real tmp22;
fftw_real tmp19;
fftw_real tmp21;
ASSERT_ALIGNED_DOUBLE;
tmp20 = c_re(inout[8 * iostride]);
tmp22 = c_im(inout[8 * iostride]);
tmp19 = c_re(W[7]);
tmp21 = c_im(W[7]);
tmp23 = (tmp19 * tmp20) - (tmp21 * tmp22);
tmp69 = (tmp21 * tmp20) + (tmp19 * tmp22);
}
tmp18 = tmp12 - tmp17;
tmp29 = tmp23 - tmp28;
tmp30 = tmp18 + tmp29;
tmp56 = tmp12 + tmp17;
tmp57 = tmp23 + tmp28;
tmp58 = tmp56 + tmp57;
tmp68 = tmp66 - tmp67;
tmp71 = tmp69 - tmp70;
tmp109 = tmp68 + tmp71;
tmp89 = tmp66 + tmp67;
tmp90 = tmp69 + tmp70;
tmp95 = tmp89 + tmp90;
}
{
fftw_real tmp63;
fftw_real tmp54;
fftw_real tmp64;
fftw_real tmp80;
fftw_real tmp82;
fftw_real tmp72;
fftw_real tmp79;
fftw_real tmp81;
fftw_real tmp65;
ASSERT_ALIGNED_DOUBLE;
tmp63 = K559016994 * (tmp30 - tmp53);
tmp54 = tmp30 + tmp53;
tmp64 = tmp7 - (K250000000 * tmp54);
tmp72 = tmp68 - tmp71;
tmp79 = tmp75 - tmp78;
tmp80 = (K951056516 * tmp72) + (K587785252 * tmp79);
tmp82 = (K951056516 * tmp79) - (K587785252 * tmp72);
c_re(inout[5 * iostride]) = tmp7 + tmp54;
tmp81 = tmp64 - tmp63;
c_re(inout[7 * iostride]) = tmp81 - tmp82;
c_re(inout[3 * iostride]) = tmp81 + tmp82;
tmp65 = tmp63 + tmp64;
c_re(inout[9 * iostride]) = tmp65 - tmp80;
c_re(inout[iostride]) = tmp65 + tmp80;
}
{
fftw_real tmp111;
fftw_real tmp113;
fftw_real tmp114;
fftw_real tmp118;
fftw_real tmp120;
fftw_real tmp116;
fftw_real tmp117;
fftw_real tmp119;
fftw_real tmp115;
ASSERT_ALIGNED_DOUBLE;
tmp111 = K559016994 * (tmp109 - tmp110);
tmp113 = tmp109 + tmp110;
tmp114 = tmp112 - (K250000000 * tmp113);
tmp116 = tmp18 - tmp29;
tmp117 = tmp41 - tmp52;
tmp118 = (K951056516 * tmp116) + (K587785252 * tmp117);
tmp120 = (K951056516 * tmp117) - (K587785252 * tmp116);
c_im(inout[5 * iostride]) = tmp113 + tmp112;
tmp119 = tmp114 - tmp111;
c_im(inout[3 * iostride]) = tmp119 - tmp120;
c_im(inout[7 * iostride]) = tmp120 + tmp119;
tmp115 = tmp111 + tmp114;
c_im(inout[iostride]) = tmp115 - tmp118;
c_im(inout[9 * iostride]) = tmp118 + tmp115;
}
{
fftw_real tmp84;
fftw_real tmp62;
fftw_real tmp83;
fftw_real tmp92;
fftw_real tmp94;
fftw_real tmp88;
fftw_real tmp91;
fftw_real tmp93;
fftw_real tmp85;
ASSERT_ALIGNED_DOUBLE;
tmp84 = K559016994 * (tmp58 - tmp61);
tmp62 = tmp58 + tmp61;
tmp83 = tmp55 - (K250000000 * tmp62);
tmp88 = tmp86 - tmp87;
tmp91 = tmp89 - tmp90;
tmp92 = (K951056516 * tmp88) - (K587785252 * tmp91);
tmp94 = (K951056516 * tmp91) + (K587785252 * tmp88);
c_re(inout[0]) = tmp55 + tmp62;
tmp93 = tmp84 + tmp83;
c_re(inout[4 * iostride]) = tmp93 - tmp94;
c_re(inout[6 * iostride]) = tmp93 + tmp94;
tmp85 = tmp83 - tmp84;
c_re(inout[2 * iostride]) = tmp85 - tmp92;
c_re(inout[8 * iostride]) = tmp85 + tmp92;
}
{
fftw_real tmp105;
fftw_real tmp97;
fftw_real tmp104;
fftw_real tmp103;
fftw_real tmp107;
fftw_real tmp101;
fftw_real tmp102;
fftw_real tmp108;
fftw_real tmp106;
ASSERT_ALIGNED_DOUBLE;
tmp105 = K559016994 * (tmp95 - tmp96);
tmp97 = tmp95 + tmp96;
tmp104 = tmp100 - (K250000000 * tmp97);
tmp101 = tmp59 - tmp60;
tmp102 = tmp56 - tmp57;
tmp103 = (K951056516 * tmp101) - (K587785252 * tmp102);
tmp107 = (K951056516 * tmp102) + (K587785252 * tmp101);
c_im(inout[0]) = tmp97 + tmp100;
tmp108 = tmp105 + tmp104;
c_im(inout[4 * iostride]) = tmp107 + tmp108;
c_im(inout[6 * iostride]) = tmp108 - tmp107;
tmp106 = tmp104 - tmp105;
c_im(inout[2 * iostride]) = tmp103 + tmp106;
c_im(inout[8 * iostride]) = tmp106 - tmp103;
}
}
}
static const int twiddle_order[] =
{1, 2, 3, 4, 5, 6, 7, 8, 9};
fftw_codelet_desc fftw_twiddle_10_desc =
{
"fftw_twiddle_10",
(void (*)()) fftw_twiddle_10,
10,
FFTW_FORWARD,
FFTW_TWIDDLE,
220,
9,
twiddle_order,
};