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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 13:55:11 EDT 1999 */

#include <fftw-int.h>

#include <fftw.h>

/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 16 */

/*

 * This function contains 58 FP additions, 18 FP multiplications,

 * (or, 54 additions, 14 multiplications, 4 fused multiply/add),

 * 26 stack variables, and 32 memory accesses

 */

static const fftw_real K765366864 = FFTW_KONST(+0.765366864730179543456919968060797733522689125);

static const fftw_real K1_847759065 = FFTW_KONST(+1.847759065022573512256366378793576573644833252);

static const fftw_real K1_414213562 = FFTW_KONST(+1.414213562373095048801688724209698078569671875);

static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);

/*

 * Generator Id's :

 * $Id: fcr_16.c,v 1.2 2003-03-24 11:14:55 pj Exp $

 * $Id: fcr_16.c,v 1.2 2003-03-24 11:14:55 pj Exp $

 * $Id: fcr_16.c,v 1.2 2003-03-24 11:14:55 pj Exp $

 */

void fftw_hc2real_16(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)

{

     fftw_real tmp9;

     fftw_real tmp54;

     fftw_real tmp42;

     fftw_real tmp21;

     fftw_real tmp6;

     fftw_real tmp18;

     fftw_real tmp39;

     fftw_real tmp53;

     fftw_real tmp13;

     fftw_real tmp29;

     fftw_real tmp16;

     fftw_real tmp26;

     fftw_real tmp23;

     fftw_real tmp49;

     fftw_real tmp57;

     fftw_real tmp56;

     fftw_real tmp46;

     fftw_real tmp30;

     ASSERT_ALIGNED_DOUBLE();

     {

          fftw_real tmp7;

          fftw_real tmp8;

          fftw_real tmp40;

          fftw_real tmp19;

          fftw_real tmp20;

          fftw_real tmp41;

          ASSERT_ALIGNED_DOUBLE();

          tmp7 = real_input[2 * real_istride];

          tmp8 = real_input[6 * real_istride];

          tmp40 = tmp7 - tmp8;

          tmp19 = imag_input[2 * imag_istride];

          tmp20 = imag_input[6 * imag_istride];

          tmp41 = tmp20 + tmp19;

          tmp9 = K2_000000000 * (tmp7 + tmp8);

          tmp54 = K1_414213562 * (tmp40 + tmp41);

          tmp42 = K1_414213562 * (tmp40 - tmp41);

          tmp21 = K2_000000000 * (tmp19 - tmp20);

     }

     {

          fftw_real tmp5;

          fftw_real tmp38;

          fftw_real tmp3;

          fftw_real tmp36;

          ASSERT_ALIGNED_DOUBLE();

          {

               fftw_real tmp4;

               fftw_real tmp37;

               fftw_real tmp1;

               fftw_real tmp2;

               ASSERT_ALIGNED_DOUBLE();

               tmp4 = real_input[4 * real_istride];

               tmp5 = K2_000000000 * tmp4;

               tmp37 = imag_input[4 * imag_istride];

               tmp38 = K2_000000000 * tmp37;

               tmp1 = real_input[0];

               tmp2 = real_input[8 * real_istride];

               tmp3 = tmp1 + tmp2;

               tmp36 = tmp1 - tmp2;

          }

          tmp6 = tmp3 + tmp5;

          tmp18 = tmp3 - tmp5;

          tmp39 = tmp36 - tmp38;

          tmp53 = tmp36 + tmp38;

     }

     {

          fftw_real tmp44;

          fftw_real tmp48;

          fftw_real tmp47;

          fftw_real tmp45;

          ASSERT_ALIGNED_DOUBLE();

          {

               fftw_real tmp11;

               fftw_real tmp12;

               fftw_real tmp27;

               fftw_real tmp28;

               ASSERT_ALIGNED_DOUBLE();

               tmp11 = real_input[real_istride];

               tmp12 = real_input[7 * real_istride];

               tmp13 = tmp11 + tmp12;

               tmp44 = tmp11 - tmp12;

               tmp27 = imag_input[imag_istride];

               tmp28 = imag_input[7 * imag_istride];

               tmp29 = tmp27 - tmp28;

               tmp48 = tmp27 + tmp28;

          }

          {

               fftw_real tmp14;

               fftw_real tmp15;

               fftw_real tmp24;

               fftw_real tmp25;

               ASSERT_ALIGNED_DOUBLE();

               tmp14 = real_input[3 * real_istride];

               tmp15 = real_input[5 * real_istride];

               tmp16 = tmp14 + tmp15;

               tmp47 = tmp15 - tmp14;

               tmp24 = imag_input[3 * imag_istride];

               tmp25 = imag_input[5 * imag_istride];

               tmp26 = tmp24 - tmp25;

               tmp45 = tmp25 + tmp24;

          }

          tmp23 = tmp13 - tmp16;

          tmp49 = tmp47 + tmp48;

          tmp57 = tmp48 - tmp47;

          tmp56 = tmp44 + tmp45;

          tmp46 = tmp44 - tmp45;

          tmp30 = tmp26 + tmp29;

     }

     {

          fftw_real tmp10;

          fftw_real tmp17;

          fftw_real tmp34;

          fftw_real tmp35;

          ASSERT_ALIGNED_DOUBLE();

          tmp10 = tmp6 + tmp9;

          tmp17 = K2_000000000 * (tmp13 + tmp16);

          output[8 * ostride] = tmp10 - tmp17;

          output[0] = tmp10 + tmp17;

          tmp34 = tmp6 - tmp9;

          tmp35 = K2_000000000 * (tmp29 - tmp26);

          output[4 * ostride] = tmp34 - tmp35;

          output[12 * ostride] = tmp34 + tmp35;

     }

     {

          fftw_real tmp22;

          fftw_real tmp31;

          fftw_real tmp32;

          fftw_real tmp33;

          ASSERT_ALIGNED_DOUBLE();

          tmp22 = tmp18 - tmp21;

          tmp31 = K1_414213562 * (tmp23 - tmp30);

          output[10 * ostride] = tmp22 - tmp31;

          output[2 * ostride] = tmp22 + tmp31;

          tmp32 = tmp18 + tmp21;

          tmp33 = K1_414213562 * (tmp23 + tmp30);

          output[6 * ostride] = tmp32 - tmp33;

          output[14 * ostride] = tmp32 + tmp33;

     }

     {

          fftw_real tmp43;

          fftw_real tmp50;

          fftw_real tmp51;

          fftw_real tmp52;

          ASSERT_ALIGNED_DOUBLE();

          tmp43 = tmp39 + tmp42;

          tmp50 = (K1_847759065 * tmp46) - (K765366864 * tmp49);

          output[9 * ostride] = tmp43 - tmp50;

          output[ostride] = tmp43 + tmp50;

          tmp51 = tmp39 - tmp42;

          tmp52 = (K765366864 * tmp46) + (K1_847759065 * tmp49);

          output[5 * ostride] = tmp51 - tmp52;

          output[13 * ostride] = tmp51 + tmp52;

     }

     {

          fftw_real tmp55;

          fftw_real tmp58;

          fftw_real tmp59;

          fftw_real tmp60;

          ASSERT_ALIGNED_DOUBLE();

          tmp55 = tmp53 - tmp54;

          tmp58 = (K765366864 * tmp56) - (K1_847759065 * tmp57);

          output[11 * ostride] = tmp55 - tmp58;

          output[3 * ostride] = tmp55 + tmp58;

          tmp59 = tmp53 + tmp54;

          tmp60 = (K1_847759065 * tmp56) + (K765366864 * tmp57);

          output[7 * ostride] = tmp59 - tmp60;

          output[15 * ostride] = tmp59 + tmp60;

     }

}

fftw_codelet_desc fftw_hc2real_16_desc =

{

     "fftw_hc2real_16",

     (void (*)()) fftw_hc2real_16,

     16,

     FFTW_BACKWARD,

     FFTW_HC2REAL,

     367,

     0,

     (const int *) 0,

};