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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 13:55:06 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 -hc2real 9 */

/*

 * This function contains 32 FP additions, 18 FP multiplications,

 * (or, 22 additions, 8 multiplications, 10 fused multiply/add),

 * 22 stack variables, and 18 memory accesses

 */

static const fftw_real K984807753 = FFTW_KONST(+0.984807753012208059366743024589523013670643252);

static const fftw_real K173648177 = FFTW_KONST(+0.173648177666930348851716626769314796000375677);

static const fftw_real K300767466 = FFTW_KONST(+0.300767466360870593278543795225003852144476517);

static const fftw_real K1_705737063 = FFTW_KONST(+1.705737063904886419256501927880148143872040591);

static const fftw_real K642787609 = FFTW_KONST(+0.642787609686539326322643409907263432907559884);

static const fftw_real K766044443 = FFTW_KONST(+0.766044443118978035202392650555416673935832457);

static const fftw_real K1_326827896 = FFTW_KONST(+1.326827896337876792410842639271782594433726619);

static const fftw_real K1_113340798 = FFTW_KONST(+1.113340798452838732905825904094046265936583811);

static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);

static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);

static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);

static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254);

/*

 * Generator Id's :

 * $Id: fcr_9.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $

 * $Id: fcr_9.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $

 * $Id: fcr_9.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $

 */

void fftw_hc2real_9(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)

{

     fftw_real tmp3;

     fftw_real tmp26;

     fftw_real tmp12;

     fftw_real tmp20;

     fftw_real tmp19;

     fftw_real tmp8;

     fftw_real tmp17;

     fftw_real tmp27;

     fftw_real tmp22;

     fftw_real tmp28;

     fftw_real tmp32;

     fftw_real tmp33;

     ASSERT_ALIGNED_DOUBLE();

     {

          fftw_real tmp11;

          fftw_real tmp1;

          fftw_real tmp2;

          fftw_real tmp9;

          fftw_real tmp10;

          ASSERT_ALIGNED_DOUBLE();

          tmp10 = imag_input[3 * imag_istride];

          tmp11 = K1_732050807 * tmp10;

          tmp1 = real_input[0];

          tmp2 = real_input[3 * real_istride];

          tmp9 = tmp1 - tmp2;

          tmp3 = tmp1 + (K2_000000000 * tmp2);

          tmp26 = tmp9 + tmp11;

          tmp12 = tmp9 - tmp11;

     }

     {

          fftw_real tmp4;

          fftw_real tmp7;

          fftw_real tmp18;

          fftw_real tmp16;

          fftw_real tmp13;

          fftw_real tmp21;

          ASSERT_ALIGNED_DOUBLE();

          tmp4 = real_input[real_istride];

          tmp20 = imag_input[imag_istride];

          {

               fftw_real tmp5;

               fftw_real tmp6;

               fftw_real tmp14;

               fftw_real tmp15;

               ASSERT_ALIGNED_DOUBLE();

               tmp5 = real_input[4 * real_istride];

               tmp6 = real_input[2 * real_istride];

               tmp7 = tmp5 + tmp6;

               tmp18 = K866025403 * (tmp5 - tmp6);

               tmp14 = imag_input[4 * imag_istride];

               tmp15 = imag_input[2 * imag_istride];

               tmp16 = K866025403 * (tmp14 + tmp15);

               tmp19 = tmp15 - tmp14;

          }

          tmp8 = tmp4 + tmp7;

          tmp13 = tmp4 - (K500000000 * tmp7);

          tmp17 = tmp13 - tmp16;

          tmp27 = tmp13 + tmp16;

          tmp21 = (K500000000 * tmp19) + tmp20;

          tmp22 = tmp18 + tmp21;

          tmp28 = tmp21 - tmp18;

     }

     output[0] = tmp3 + (K2_000000000 * tmp8);

     tmp32 = tmp3 - tmp8;

     tmp33 = K1_732050807 * (tmp20 - tmp19);

     output[3 * ostride] = tmp32 - tmp33;

     output[6 * ostride] = tmp32 + tmp33;

     {

          fftw_real tmp25;

          fftw_real tmp23;

          fftw_real tmp24;

          fftw_real tmp31;

          fftw_real tmp29;

          fftw_real tmp30;

          ASSERT_ALIGNED_DOUBLE();

          tmp25 = (K1_113340798 * tmp17) + (K1_326827896 * tmp22);

          tmp23 = (K766044443 * tmp17) - (K642787609 * tmp22);

          tmp24 = tmp12 - tmp23;

          output[ostride] = tmp12 + (K2_000000000 * tmp23);

          output[7 * ostride] = tmp24 + tmp25;

          output[4 * ostride] = tmp24 - tmp25;

          tmp31 = (K1_705737063 * tmp27) + (K300767466 * tmp28);

          tmp29 = (K173648177 * tmp27) - (K984807753 * tmp28);

          tmp30 = tmp26 - tmp29;

          output[2 * ostride] = tmp26 + (K2_000000000 * tmp29);

          output[8 * ostride] = tmp30 + tmp31;

          output[5 * ostride] = tmp30 - tmp31;

     }

}

fftw_codelet_desc fftw_hc2real_9_desc =

{

     "fftw_hc2real_9",

     (void (*)()) fftw_hc2real_9,

     9,

     FFTW_BACKWARD,

     FFTW_HC2REAL,

     213,

     0,

     (const int *) 0,

};