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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 13:54:44 EDT 1999 */

#include <fftw-int.h>
#include <fftw.h>

/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddleinv 6 */

/*
 * This function contains 36 FP additions, 8 FP multiplications,
 * (or, 32 additions, 4 multiplications, 4 fused multiply/add),
 * 20 stack variables, and 24 memory accesses
 */
static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);

/*
 * Generator Id's :
 * $Id: fni_6.c,v 1.2 2003-03-24 11:14:52 pj Exp $
 * $Id: fni_6.c,v 1.2 2003-03-24 11:14:52 pj Exp $
 * $Id: fni_6.c,v 1.2 2003-03-24 11:14:52 pj Exp $
 */

void fftwi_no_twiddle_6(const fftw_complex *input, fftw_complex *output, int istride, int ostride)
{
     fftw_real tmp3;
     fftw_real tmp11;
     fftw_real tmp26;
     fftw_real tmp29;
     fftw_real tmp6;
     fftw_real tmp12;
     fftw_real tmp9;
     fftw_real tmp13;
     fftw_real tmp10;
     fftw_real tmp14;
     fftw_real tmp18;
     fftw_real tmp31;
     fftw_real tmp21;
     fftw_real tmp30;
     fftw_real tmp27;
     fftw_real tmp32;
     ASSERT_ALIGNED_DOUBLE();
     {
          fftw_real tmp1;
          fftw_real tmp2;
          fftw_real tmp24;
          fftw_real tmp25;
          ASSERT_ALIGNED_DOUBLE();
          tmp1 = c_re(input[0]);
          tmp2 = c_re(input[3 * istride]);
          tmp3 = tmp1 - tmp2;
          tmp11 = tmp1 + tmp2;
          tmp24 = c_im(input[0]);
          tmp25 = c_im(input[3 * istride]);
          tmp26 = tmp24 - tmp25;
          tmp29 = tmp24 + tmp25;
     }
     {
          fftw_real tmp4;
          fftw_real tmp5;
          fftw_real tmp7;
          fftw_real tmp8;
          ASSERT_ALIGNED_DOUBLE();
          tmp4 = c_re(input[2 * istride]);
          tmp5 = c_re(input[5 * istride]);
          tmp6 = tmp4 - tmp5;
          tmp12 = tmp4 + tmp5;
          tmp7 = c_re(input[4 * istride]);
          tmp8 = c_re(input[istride]);
          tmp9 = tmp7 - tmp8;
          tmp13 = tmp7 + tmp8;
     }
     tmp10 = tmp6 + tmp9;
     tmp14 = tmp12 + tmp13;
     {
          fftw_real tmp16;
          fftw_real tmp17;
          fftw_real tmp19;
          fftw_real tmp20;
          ASSERT_ALIGNED_DOUBLE();
          tmp16 = c_im(input[4 * istride]);
          tmp17 = c_im(input[istride]);
          tmp18 = tmp16 - tmp17;
          tmp31 = tmp16 + tmp17;
          tmp19 = c_im(input[2 * istride]);
          tmp20 = c_im(input[5 * istride]);
          tmp21 = tmp19 - tmp20;
          tmp30 = tmp19 + tmp20;
     }
     tmp27 = tmp21 + tmp18;
     tmp32 = tmp30 + tmp31;
     {
          fftw_real tmp15;
          fftw_real tmp22;
          fftw_real tmp35;
          fftw_real tmp36;
          ASSERT_ALIGNED_DOUBLE();
          c_re(output[3 * ostride]) = tmp3 + tmp10;
          tmp15 = tmp3 - (K500000000 * tmp10);
          tmp22 = K866025403 * (tmp18 - tmp21);
          c_re(output[5 * ostride]) = tmp15 - tmp22;
          c_re(output[ostride]) = tmp15 + tmp22;
          c_re(output[0]) = tmp11 + tmp14;
          tmp35 = tmp11 - (K500000000 * tmp14);
          tmp36 = K866025403 * (tmp31 - tmp30);
          c_re(output[2 * ostride]) = tmp35 - tmp36;
          c_re(output[4 * ostride]) = tmp35 + tmp36;
     }
     {
          fftw_real tmp23;
          fftw_real tmp28;
          fftw_real tmp33;
          fftw_real tmp34;
          ASSERT_ALIGNED_DOUBLE();
          c_im(output[3 * ostride]) = tmp26 + tmp27;
          tmp23 = K866025403 * (tmp6 - tmp9);
          tmp28 = tmp26 - (K500000000 * tmp27);
          c_im(output[ostride]) = tmp23 + tmp28;
          c_im(output[5 * ostride]) = tmp28 - tmp23;
          c_im(output[0]) = tmp29 + tmp32;
          tmp33 = tmp29 - (K500000000 * tmp32);
          tmp34 = K866025403 * (tmp12 - tmp13);
          c_im(output[2 * ostride]) = tmp33 - tmp34;
          c_im(output[4 * ostride]) = tmp34 + tmp33;
     }
}

fftw_codelet_desc fftwi_no_twiddle_6_desc =
{
     "fftwi_no_twiddle_6",
     (void (*)()) fftwi_no_twiddle_6,
     6,
     FFTW_BACKWARD,
     FFTW_NOTW,
     144,
     0,
     (const int *) 0,
};