Subversion Repositories shark

/*

 * 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 13:54:35 EDT 1999 */

#include <ports/fftw-int.h>

#include <ports/fftw.h>

/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 9 */

/*

 * This function contains 38 FP additions, 26 FP multiplications,

 * (or, 29 additions, 17 multiplications, 9 fused multiply/add),

 * 21 stack variables, and 18 memory accesses

 */

static const fftw_real K342020143 = FFTW_KONST(+0.342020143325668733044099614682259580763083368);

static const fftw_real K813797681 = FFTW_KONST(+0.813797681349373692844693217248393223289101568);

static const fftw_real K939692620 = FFTW_KONST(+0.939692620785908384054109277324731469936208134);

static const fftw_real K296198132 = FFTW_KONST(+0.296198132726023843175338011893050938967728390);

static const fftw_real K852868531 = FFTW_KONST(+0.852868531952443209628250963940074071936020296);

static const fftw_real K173648177 = FFTW_KONST(+0.173648177666930348851716626769314796000375677);

static const fftw_real K556670399 = FFTW_KONST(+0.556670399226419366452912952047023132968291906);

static const fftw_real K766044443 = FFTW_KONST(+0.766044443118978035202392650555416673935832457);

static const fftw_real K984807753 = FFTW_KONST(+0.984807753012208059366743024589523013670643252);

static const fftw_real K150383733 = FFTW_KONST(+0.150383733180435296639271897612501926072238258);

static const fftw_real K642787609 = FFTW_KONST(+0.642787609686539326322643409907263432907559884);

static const fftw_real K663413948 = FFTW_KONST(+0.663413948168938396205421319635891297216863310);

static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);

static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);

/*

 * Generator Id's :

 * $Id: frc_9.c,v 1.1.1.1 2002-03-29 14:12:59 pj Exp $

 * $Id: frc_9.c,v 1.1.1.1 2002-03-29 14:12:59 pj Exp $

 * $Id: frc_9.c,v 1.1.1.1 2002-03-29 14:12:59 pj Exp $

 */

void fftw_real2hc_9(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride)

{

     fftw_real tmp1;

     fftw_real tmp15;

     fftw_real tmp20;

     fftw_real tmp19;

     fftw_real tmp4;

     fftw_real tmp27;

     fftw_real tmp10;

     fftw_real tmp18;

     fftw_real tmp21;

     fftw_real tmp2;

     fftw_real tmp3;

     fftw_real tmp5;

     fftw_real tmp16;

     ASSERT_ALIGNED_DOUBLE();

     tmp1 = input[0];

     {

          fftw_real tmp11;

          fftw_real tmp12;

          fftw_real tmp13;

          fftw_real tmp14;

          ASSERT_ALIGNED_DOUBLE();

          tmp11 = input[2 * istride];

          tmp12 = input[5 * istride];

          tmp13 = input[8 * istride];

          tmp14 = tmp12 + tmp13;

          tmp15 = tmp11 + tmp14;

          tmp20 = tmp11 - (K500000000 * tmp14);

          tmp19 = tmp13 - tmp12;

     }

     tmp2 = input[3 * istride];

     tmp3 = input[6 * istride];

     tmp4 = tmp2 + tmp3;

     tmp27 = tmp3 - tmp2;

     {

          fftw_real tmp6;

          fftw_real tmp7;

          fftw_real tmp8;

          fftw_real tmp9;

          ASSERT_ALIGNED_DOUBLE();

          tmp6 = input[istride];

          tmp7 = input[4 * istride];

          tmp8 = input[7 * istride];

          tmp9 = tmp7 + tmp8;

          tmp10 = tmp6 + tmp9;

          tmp18 = tmp6 - (K500000000 * tmp9);

          tmp21 = tmp8 - tmp7;

     }

     imag_output[3 * imag_ostride] = K866025403 * (tmp15 - tmp10);

     tmp5 = tmp1 + tmp4;

     tmp16 = tmp10 + tmp15;

     real_output[3 * real_ostride] = tmp5 - (K500000000 * tmp16);

     real_output[0] = tmp5 + tmp16;

     {

          fftw_real tmp29;

          fftw_real tmp25;

          fftw_real tmp26;

          fftw_real tmp28;

          fftw_real tmp17;

          fftw_real tmp22;

          fftw_real tmp23;

          fftw_real tmp24;

          ASSERT_ALIGNED_DOUBLE();

          tmp29 = K866025403 * tmp27;

          tmp25 = (K663413948 * tmp21) - (K642787609 * tmp18);

          tmp26 = (K150383733 * tmp19) - (K984807753 * tmp20);

          tmp28 = tmp25 + tmp26;

          tmp17 = tmp1 - (K500000000 * tmp4);

          tmp22 = (K766044443 * tmp18) + (K556670399 * tmp21);

          tmp23 = (K173648177 * tmp20) + (K852868531 * tmp19);

          tmp24 = tmp22 + tmp23;

          real_output[real_ostride] = tmp17 + tmp24;

          real_output[4 * real_ostride] = tmp17 + (K866025403 * (tmp25 - tmp26)) - (K500000000 * tmp24);

          real_output[2 * real_ostride] = tmp17 + (K173648177 * tmp18) - (K296198132 * tmp19) - (K939692620 * tmp20) - (K852868531 * tmp21);

          imag_output[imag_ostride] = tmp29 + tmp28;

          imag_output[4 * imag_ostride] = (K866025403 * (tmp27 + (tmp23 - tmp22))) - (K500000000 * tmp28);

          imag_output[2 * imag_ostride] = (K813797681 * tmp19) - (K342020143 * tmp20) - (K150383733 * tmp21) - (K984807753 * tmp18) - tmp29;

     }

}

fftw_codelet_desc fftw_real2hc_9_desc =

{

     "fftw_real2hc_9",

     (void (*)()) fftw_real2hc_9,

     9,

     FFTW_FORWARD,

     FFTW_REAL2HC,

     200,

     0,

     (const int *) 0,

};