ref: 4f9a9087f16b92662389be3dc0589629359ac8a4
dir: /libfaad/fftw/fn_9.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 20:43:47 EST 1999 */
#include <fftw-int.h>
#include <fftw.h>
/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddle 9 */
/*
* This function contains 80 FP additions, 40 FP multiplications,
* (or, 60 additions, 20 multiplications, 20 fused multiply/add),
* 30 stack variables, and 36 memory accesses
*/
static const fftw_real K939692620 = FFTW_KONST(+0.939692620785908384054109277324731469936208134);
static const fftw_real K342020143 = FFTW_KONST(+0.342020143325668733044099614682259580763083368);
static const fftw_real K984807753 = FFTW_KONST(+0.984807753012208059366743024589523013670643252);
static const fftw_real K173648177 = FFTW_KONST(+0.173648177666930348851716626769314796000375677);
static const fftw_real K642787609 = FFTW_KONST(+0.642787609686539326322643409907263432907559884);
static const fftw_real K766044443 = FFTW_KONST(+0.766044443118978035202392650555416673935832457);
static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
/*
* Generator Id's :
* $Id: fn_9.c,v 1.1 2002/04/07 21:26:04 menno Exp $
* $Id: fn_9.c,v 1.1 2002/04/07 21:26:04 menno Exp $
* $Id: fn_9.c,v 1.1 2002/04/07 21:26:04 menno Exp $
*/
void fftw_no_twiddle_9(const fftw_complex *input, fftw_complex *output, int istride, int ostride)
{
fftw_real tmp5;
fftw_real tmp17;
fftw_real tmp50;
fftw_real tmp20;
fftw_real tmp78;
fftw_real tmp53;
fftw_real tmp10;
fftw_real tmp26;
fftw_real tmp58;
fftw_real tmp74;
fftw_real tmp31;
fftw_real tmp59;
fftw_real tmp15;
fftw_real tmp37;
fftw_real tmp62;
fftw_real tmp75;
fftw_real tmp42;
fftw_real tmp61;
ASSERT_ALIGNED_DOUBLE;
{
fftw_real tmp1;
fftw_real tmp2;
fftw_real tmp3;
fftw_real tmp4;
ASSERT_ALIGNED_DOUBLE;
tmp1 = c_re(input[0]);
tmp2 = c_re(input[3 * istride]);
tmp3 = c_re(input[6 * istride]);
tmp4 = tmp2 + tmp3;
tmp5 = tmp1 + tmp4;
tmp17 = tmp1 - (K500000000 * tmp4);
tmp50 = K866025403 * (tmp3 - tmp2);
}
{
fftw_real tmp51;
fftw_real tmp18;
fftw_real tmp19;
fftw_real tmp52;
ASSERT_ALIGNED_DOUBLE;
tmp51 = c_im(input[0]);
tmp18 = c_im(input[3 * istride]);
tmp19 = c_im(input[6 * istride]);
tmp52 = tmp18 + tmp19;
tmp20 = K866025403 * (tmp18 - tmp19);
tmp78 = tmp51 + tmp52;
tmp53 = tmp51 - (K500000000 * tmp52);
}
{
fftw_real tmp6;
fftw_real tmp28;
fftw_real tmp9;
fftw_real tmp27;
fftw_real tmp25;
fftw_real tmp29;
fftw_real tmp22;
fftw_real tmp30;
ASSERT_ALIGNED_DOUBLE;
tmp6 = c_re(input[istride]);
tmp28 = c_im(input[istride]);
{
fftw_real tmp7;
fftw_real tmp8;
fftw_real tmp23;
fftw_real tmp24;
ASSERT_ALIGNED_DOUBLE;
tmp7 = c_re(input[4 * istride]);
tmp8 = c_re(input[7 * istride]);
tmp9 = tmp7 + tmp8;
tmp27 = K866025403 * (tmp8 - tmp7);
tmp23 = c_im(input[4 * istride]);
tmp24 = c_im(input[7 * istride]);
tmp25 = K866025403 * (tmp23 - tmp24);
tmp29 = tmp23 + tmp24;
}
tmp10 = tmp6 + tmp9;
tmp22 = tmp6 - (K500000000 * tmp9);
tmp26 = tmp22 + tmp25;
tmp58 = tmp22 - tmp25;
tmp74 = tmp28 + tmp29;
tmp30 = tmp28 - (K500000000 * tmp29);
tmp31 = tmp27 + tmp30;
tmp59 = tmp30 - tmp27;
}
{
fftw_real tmp11;
fftw_real tmp39;
fftw_real tmp14;
fftw_real tmp38;
fftw_real tmp36;
fftw_real tmp40;
fftw_real tmp33;
fftw_real tmp41;
ASSERT_ALIGNED_DOUBLE;
tmp11 = c_re(input[2 * istride]);
tmp39 = c_im(input[2 * istride]);
{
fftw_real tmp12;
fftw_real tmp13;
fftw_real tmp34;
fftw_real tmp35;
ASSERT_ALIGNED_DOUBLE;
tmp12 = c_re(input[5 * istride]);
tmp13 = c_re(input[8 * istride]);
tmp14 = tmp12 + tmp13;
tmp38 = K866025403 * (tmp13 - tmp12);
tmp34 = c_im(input[5 * istride]);
tmp35 = c_im(input[8 * istride]);
tmp36 = K866025403 * (tmp34 - tmp35);
tmp40 = tmp34 + tmp35;
}
tmp15 = tmp11 + tmp14;
tmp33 = tmp11 - (K500000000 * tmp14);
tmp37 = tmp33 + tmp36;
tmp62 = tmp33 - tmp36;
tmp75 = tmp39 + tmp40;
tmp41 = tmp39 - (K500000000 * tmp40);
tmp42 = tmp38 + tmp41;
tmp61 = tmp41 - tmp38;
}
{
fftw_real tmp76;
fftw_real tmp16;
fftw_real tmp73;
fftw_real tmp77;
fftw_real tmp79;
fftw_real tmp80;
ASSERT_ALIGNED_DOUBLE;
tmp76 = K866025403 * (tmp74 - tmp75);
tmp16 = tmp10 + tmp15;
tmp73 = tmp5 - (K500000000 * tmp16);
c_re(output[0]) = tmp5 + tmp16;
c_re(output[3 * ostride]) = tmp73 + tmp76;
c_re(output[6 * ostride]) = tmp73 - tmp76;
tmp77 = K866025403 * (tmp15 - tmp10);
tmp79 = tmp74 + tmp75;
tmp80 = tmp78 - (K500000000 * tmp79);
c_im(output[3 * ostride]) = tmp77 + tmp80;
c_im(output[6 * ostride]) = tmp80 - tmp77;
c_im(output[0]) = tmp78 + tmp79;
}
{
fftw_real tmp21;
fftw_real tmp54;
fftw_real tmp44;
fftw_real tmp49;
fftw_real tmp48;
fftw_real tmp55;
fftw_real tmp45;
fftw_real tmp56;
ASSERT_ALIGNED_DOUBLE;
tmp21 = tmp17 + tmp20;
tmp54 = tmp50 + tmp53;
{
fftw_real tmp32;
fftw_real tmp43;
fftw_real tmp46;
fftw_real tmp47;
ASSERT_ALIGNED_DOUBLE;
tmp32 = (K766044443 * tmp26) + (K642787609 * tmp31);
tmp43 = (K173648177 * tmp37) + (K984807753 * tmp42);
tmp44 = tmp32 + tmp43;
tmp49 = K866025403 * (tmp43 - tmp32);
tmp46 = (K766044443 * tmp31) - (K642787609 * tmp26);
tmp47 = (K173648177 * tmp42) - (K984807753 * tmp37);
tmp48 = K866025403 * (tmp46 - tmp47);
tmp55 = tmp46 + tmp47;
}
c_re(output[ostride]) = tmp21 + tmp44;
tmp45 = tmp21 - (K500000000 * tmp44);
c_re(output[7 * ostride]) = tmp45 - tmp48;
c_re(output[4 * ostride]) = tmp45 + tmp48;
c_im(output[ostride]) = tmp54 + tmp55;
tmp56 = tmp54 - (K500000000 * tmp55);
c_im(output[4 * ostride]) = tmp49 + tmp56;
c_im(output[7 * ostride]) = tmp56 - tmp49;
}
{
fftw_real tmp57;
fftw_real tmp69;
fftw_real tmp72;
fftw_real tmp66;
fftw_real tmp64;
fftw_real tmp65;
fftw_real tmp71;
fftw_real tmp70;
ASSERT_ALIGNED_DOUBLE;
{
fftw_real tmp67;
fftw_real tmp68;
fftw_real tmp60;
fftw_real tmp63;
ASSERT_ALIGNED_DOUBLE;
tmp57 = tmp17 - tmp20;
tmp67 = (K173648177 * tmp59) - (K984807753 * tmp58);
tmp68 = (K342020143 * tmp62) + (K939692620 * tmp61);
tmp69 = tmp67 - tmp68;
tmp72 = K866025403 * (tmp67 + tmp68);
tmp66 = tmp53 - tmp50;
tmp60 = (K173648177 * tmp58) + (K984807753 * tmp59);
tmp63 = (K342020143 * tmp61) - (K939692620 * tmp62);
tmp64 = tmp60 + tmp63;
tmp65 = K866025403 * (tmp63 - tmp60);
}
c_re(output[2 * ostride]) = tmp57 + tmp64;
tmp71 = tmp57 - (K500000000 * tmp64);
c_re(output[8 * ostride]) = tmp71 - tmp72;
c_re(output[5 * ostride]) = tmp71 + tmp72;
c_im(output[2 * ostride]) = tmp66 + tmp69;
tmp70 = tmp66 - (K500000000 * tmp69);
c_im(output[5 * ostride]) = tmp65 + tmp70;
c_im(output[8 * ostride]) = tmp70 - tmp65;
}
}
fftw_codelet_desc fftw_no_twiddle_9_desc =
{
"fftw_no_twiddle_9",
(void (*)()) fftw_no_twiddle_9,
9,
FFTW_FORWARD,
FFTW_NOTW,
199,
0,
(const int *) 0,
};