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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 13:54:36 EDT 1999 */

#include <fftw-int.h>

#include <fftw.h>

/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 12 */

/*

 * This function contains 38 FP additions, 8 FP multiplications,

 * (or, 34 additions, 4 multiplications, 4 fused multiply/add),

 * 18 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: frc_12.c,v 1.2 2003-03-24 11:14:58 pj Exp $

 * $Id: frc_12.c,v 1.2 2003-03-24 11:14:58 pj Exp $

 * $Id: frc_12.c,v 1.2 2003-03-24 11:14:58 pj Exp $

 */

void fftw_real2hc_12(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride)

{

     fftw_real tmp5;

     fftw_real tmp25;

     fftw_real tmp11;

     fftw_real tmp23;

     fftw_real tmp30;

     fftw_real tmp35;

     fftw_real tmp10;

     fftw_real tmp26;

     fftw_real tmp12;

     fftw_real tmp18;

     fftw_real tmp29;

     fftw_real tmp34;

     fftw_real tmp31;

     fftw_real tmp32;

     ASSERT_ALIGNED_DOUBLE();

     {

          fftw_real tmp1;

          fftw_real tmp2;

          fftw_real tmp3;

          fftw_real tmp4;

          ASSERT_ALIGNED_DOUBLE();

          tmp1 = input[0];

          tmp2 = input[4 * istride];

          tmp3 = input[8 * istride];

          tmp4 = tmp2 + tmp3;

          tmp5 = tmp1 + tmp4;

          tmp25 = tmp1 - (K500000000 * tmp4);

          tmp11 = tmp3 - tmp2;

     }

     {

          fftw_real tmp19;

          fftw_real tmp20;

          fftw_real tmp21;

          fftw_real tmp22;

          ASSERT_ALIGNED_DOUBLE();

          tmp19 = input[9 * istride];

          tmp20 = input[istride];

          tmp21 = input[5 * istride];

          tmp22 = tmp20 + tmp21;

          tmp23 = tmp19 - (K500000000 * tmp22);

          tmp30 = tmp19 + tmp22;

          tmp35 = tmp21 - tmp20;

     }

     {

          fftw_real tmp6;

          fftw_real tmp7;

          fftw_real tmp8;

          fftw_real tmp9;

          ASSERT_ALIGNED_DOUBLE();

          tmp6 = input[6 * istride];

          tmp7 = input[10 * istride];

          tmp8 = input[2 * istride];

          tmp9 = tmp7 + tmp8;

          tmp10 = tmp6 + tmp9;

          tmp26 = tmp6 - (K500000000 * tmp9);

          tmp12 = tmp8 - tmp7;

     }

     {

          fftw_real tmp14;

          fftw_real tmp15;

          fftw_real tmp16;

          fftw_real tmp17;

          ASSERT_ALIGNED_DOUBLE();

          tmp14 = input[3 * istride];

          tmp15 = input[7 * istride];

          tmp16 = input[11 * istride];

          tmp17 = tmp15 + tmp16;

          tmp18 = tmp14 - (K500000000 * tmp17);

          tmp29 = tmp14 + tmp17;

          tmp34 = tmp16 - tmp15;

     }

     real_output[3 * real_ostride] = tmp5 - tmp10;

     imag_output[3 * imag_ostride] = tmp29 - tmp30;

     tmp31 = tmp5 + tmp10;

     tmp32 = tmp29 + tmp30;

     real_output[6 * real_ostride] = tmp31 - tmp32;

     real_output[0] = tmp31 + tmp32;

     {

          fftw_real tmp37;

          fftw_real tmp38;

          fftw_real tmp33;

          fftw_real tmp36;

          ASSERT_ALIGNED_DOUBLE();

          tmp37 = tmp34 + tmp35;

          tmp38 = tmp11 + tmp12;

          imag_output[2 * imag_ostride] = K866025403 * (tmp37 - tmp38);

          imag_output[4 * imag_ostride] = K866025403 * (tmp38 + tmp37);

          tmp33 = tmp25 - tmp26;

          tmp36 = K866025403 * (tmp34 - tmp35);

          real_output[5 * real_ostride] = tmp33 - tmp36;

          real_output[real_ostride] = tmp33 + tmp36;

     }

     {

          fftw_real tmp27;

          fftw_real tmp28;

          fftw_real tmp13;

          fftw_real tmp24;

          ASSERT_ALIGNED_DOUBLE();

          tmp27 = tmp25 + tmp26;

          tmp28 = tmp18 + tmp23;

          real_output[2 * real_ostride] = tmp27 - tmp28;

          real_output[4 * real_ostride] = tmp27 + tmp28;

          tmp13 = K866025403 * (tmp11 - tmp12);

          tmp24 = tmp18 - tmp23;

          imag_output[imag_ostride] = tmp13 - tmp24;

          imag_output[5 * imag_ostride] = -(tmp13 + tmp24);

     }

}

fftw_codelet_desc fftw_real2hc_12_desc =

{

     "fftw_real2hc_12",

     (void (*)()) fftw_real2hc_12,

     12,

     FFTW_FORWARD,

     FFTW_REAL2HC,

     266,

     0,

     (const int *) 0,

};