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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 13:54:39 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 16 */

/*

 * This function contains 58 FP additions, 12 FP multiplications,

 * (or, 54 additions, 8 multiplications, 4 fused multiply/add),

 * 30 stack variables, and 32 memory accesses

 */

static const fftw_real K707106781 = FFTW_KONST(+0.707106781186547524400844362104849039284835938);

static const fftw_real K923879532 = FFTW_KONST(+0.923879532511286756128183189396788286822416626);

static const fftw_real K382683432 = FFTW_KONST(+0.382683432365089771728459984030398866761344562);

/*

 * Generator Id's :

 * $Id: frc_16.c,v 1.2 2003-03-24 11:14:59 pj Exp $

 * $Id: frc_16.c,v 1.2 2003-03-24 11:14:59 pj Exp $

 * $Id: frc_16.c,v 1.2 2003-03-24 11:14:59 pj Exp $

 */

void fftw_real2hc_16(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride)

{

     fftw_real tmp3;

     fftw_real tmp6;

     fftw_real tmp7;

     fftw_real tmp35;

     fftw_real tmp18;

     fftw_real tmp33;

     fftw_real tmp40;

     fftw_real tmp48;

     fftw_real tmp56;

     fftw_real tmp10;

     fftw_real tmp13;

     fftw_real tmp14;

     fftw_real tmp36;

     fftw_real tmp17;

     fftw_real tmp26;

     fftw_real tmp41;

     fftw_real tmp51;

     fftw_real tmp57;

     fftw_real tmp16;

     fftw_real tmp15;

     fftw_real tmp43;

     fftw_real tmp44;

     ASSERT_ALIGNED_DOUBLE();

     {

          fftw_real tmp1;

          fftw_real tmp2;

          fftw_real tmp4;

          fftw_real tmp5;

          ASSERT_ALIGNED_DOUBLE();

          tmp1 = input[0];

          tmp2 = input[8 * istride];

          tmp3 = tmp1 + tmp2;

          tmp4 = input[4 * istride];

          tmp5 = input[12 * istride];

          tmp6 = tmp4 + tmp5;

          tmp7 = tmp3 + tmp6;

          tmp35 = tmp1 - tmp2;

          tmp18 = tmp4 - tmp5;

     }

     {

          fftw_real tmp29;

          fftw_real tmp46;

          fftw_real tmp32;

          fftw_real tmp47;

          ASSERT_ALIGNED_DOUBLE();

          {

               fftw_real tmp27;

               fftw_real tmp28;

               fftw_real tmp30;

               fftw_real tmp31;

               ASSERT_ALIGNED_DOUBLE();

               tmp27 = input[istride];

               tmp28 = input[9 * istride];

               tmp29 = tmp27 - tmp28;

               tmp46 = tmp27 + tmp28;

               tmp30 = input[5 * istride];

               tmp31 = input[13 * istride];

               tmp32 = tmp30 - tmp31;

               tmp47 = tmp30 + tmp31;

          }

          tmp33 = (K382683432 * tmp29) + (K923879532 * tmp32);

          tmp40 = (K923879532 * tmp29) - (K382683432 * tmp32);

          tmp48 = tmp46 - tmp47;

          tmp56 = tmp46 + tmp47;

     }

     {

          fftw_real tmp8;

          fftw_real tmp9;

          fftw_real tmp11;

          fftw_real tmp12;

          ASSERT_ALIGNED_DOUBLE();

          tmp8 = input[2 * istride];

          tmp9 = input[10 * istride];

          tmp10 = tmp8 + tmp9;

          tmp16 = tmp8 - tmp9;

          tmp11 = input[14 * istride];

          tmp12 = input[6 * istride];

          tmp13 = tmp11 + tmp12;

          tmp15 = tmp11 - tmp12;

     }

     tmp14 = tmp10 + tmp13;

     tmp36 = K707106781 * (tmp16 + tmp15);

     tmp17 = K707106781 * (tmp15 - tmp16);

     {

          fftw_real tmp22;

          fftw_real tmp49;

          fftw_real tmp25;

          fftw_real tmp50;

          ASSERT_ALIGNED_DOUBLE();

          {

               fftw_real tmp20;

               fftw_real tmp21;

               fftw_real tmp23;

               fftw_real tmp24;

               ASSERT_ALIGNED_DOUBLE();

               tmp20 = input[15 * istride];

               tmp21 = input[7 * istride];

               tmp22 = tmp20 - tmp21;

               tmp49 = tmp20 + tmp21;

               tmp23 = input[3 * istride];

               tmp24 = input[11 * istride];

               tmp25 = tmp23 - tmp24;

               tmp50 = tmp23 + tmp24;

          }

          tmp26 = (K382683432 * tmp22) - (K923879532 * tmp25);

          tmp41 = (K923879532 * tmp22) + (K382683432 * tmp25);

          tmp51 = tmp49 - tmp50;

          tmp57 = tmp49 + tmp50;

     }

     {

          fftw_real tmp55;

          fftw_real tmp58;

          fftw_real tmp53;

          fftw_real tmp54;

          ASSERT_ALIGNED_DOUBLE();

          real_output[4 * real_ostride] = tmp7 - tmp14;

          tmp55 = tmp7 + tmp14;

          tmp58 = tmp56 + tmp57;

          real_output[8 * real_ostride] = tmp55 - tmp58;

          real_output[0] = tmp55 + tmp58;

          imag_output[4 * imag_ostride] = tmp57 - tmp56;

          tmp53 = tmp13 - tmp10;

          tmp54 = K707106781 * (tmp51 - tmp48);

          imag_output[2 * imag_ostride] = tmp53 + tmp54;

          imag_output[6 * imag_ostride] = tmp54 - tmp53;

     }

     {

          fftw_real tmp45;

          fftw_real tmp52;

          fftw_real tmp39;

          fftw_real tmp42;

          ASSERT_ALIGNED_DOUBLE();

          tmp45 = tmp3 - tmp6;

          tmp52 = K707106781 * (tmp48 + tmp51);

          real_output[6 * real_ostride] = tmp45 - tmp52;

          real_output[2 * real_ostride] = tmp45 + tmp52;

          tmp39 = tmp35 + tmp36;

          tmp42 = tmp40 + tmp41;

          real_output[7 * real_ostride] = tmp39 - tmp42;

          real_output[real_ostride] = tmp39 + tmp42;

     }

     tmp43 = tmp18 + tmp17;

     tmp44 = tmp41 - tmp40;

     imag_output[3 * imag_ostride] = tmp43 + tmp44;

     imag_output[5 * imag_ostride] = tmp44 - tmp43;

     {

          fftw_real tmp19;

          fftw_real tmp34;

          fftw_real tmp37;

          fftw_real tmp38;

          ASSERT_ALIGNED_DOUBLE();

          tmp19 = tmp17 - tmp18;

          tmp34 = tmp26 - tmp33;

          imag_output[imag_ostride] = tmp19 + tmp34;

          imag_output[7 * imag_ostride] = tmp34 - tmp19;

          tmp37 = tmp35 - tmp36;

          tmp38 = tmp33 + tmp26;

          real_output[5 * real_ostride] = tmp37 - tmp38;

          real_output[3 * real_ostride] = tmp37 + tmp38;

     }

}

fftw_codelet_desc fftw_real2hc_16_desc =

{

     "fftw_real2hc_16",

     (void (*)()) fftw_real2hc_16,

     16,

     FFTW_FORWARD,

     FFTW_REAL2HC,

     354,

     0,

     (const int *) 0,

};