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2 pj 1
/*
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 * Copyright (c) 1997-1999 Massachusetts Institute of Technology
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 */
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/* This file was automatically generated --- DO NOT EDIT */
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/* Generated on Tue May 18 13:55:07 EDT 1999 */
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#include <fftw-int.h>
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#include <fftw.h>
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/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 12 */
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/*
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 * This function contains 38 FP additions, 10 FP multiplications,
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 * (or, 34 additions, 6 multiplications, 4 fused multiply/add),
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 * 22 stack variables, and 24 memory accesses
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 */
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static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254);
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static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
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/*
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 * Generator Id's :
107 pj 38
 * $Id: fcr_12.c,v 1.2 2003-03-24 11:14:55 pj Exp $
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 * $Id: fcr_12.c,v 1.2 2003-03-24 11:14:55 pj Exp $
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 * $Id: fcr_12.c,v 1.2 2003-03-24 11:14:55 pj Exp $
2 pj 41
 */
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void fftw_hc2real_12(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)
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{
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     fftw_real tmp8;
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     fftw_real tmp11;
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     fftw_real tmp22;
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     fftw_real tmp36;
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     fftw_real tmp32;
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     fftw_real tmp33;
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     fftw_real tmp25;
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     fftw_real tmp37;
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     fftw_real tmp3;
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     fftw_real tmp27;
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     fftw_real tmp16;
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     fftw_real tmp6;
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     fftw_real tmp28;
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     fftw_real tmp20;
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     ASSERT_ALIGNED_DOUBLE();
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     {
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          fftw_real tmp9;
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          fftw_real tmp10;
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          fftw_real tmp23;
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          fftw_real tmp24;
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          ASSERT_ALIGNED_DOUBLE();
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          tmp8 = real_input[3 * real_istride];
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          tmp9 = real_input[5 * real_istride];
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          tmp10 = real_input[real_istride];
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          tmp11 = tmp9 + tmp10;
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          tmp22 = (K2_000000000 * tmp8) - tmp11;
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          tmp36 = K1_732050807 * (tmp9 - tmp10);
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          tmp32 = imag_input[3 * imag_istride];
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          tmp23 = imag_input[5 * imag_istride];
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          tmp24 = imag_input[imag_istride];
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          tmp33 = tmp23 + tmp24;
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          tmp25 = K1_732050807 * (tmp23 - tmp24);
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          tmp37 = (K2_000000000 * tmp32) + tmp33;
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     }
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     {
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          fftw_real tmp15;
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          fftw_real tmp1;
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          fftw_real tmp2;
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          fftw_real tmp13;
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          fftw_real tmp14;
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          ASSERT_ALIGNED_DOUBLE();
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          tmp14 = imag_input[4 * imag_istride];
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          tmp15 = K1_732050807 * tmp14;
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          tmp1 = real_input[0];
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          tmp2 = real_input[4 * real_istride];
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          tmp13 = tmp1 - tmp2;
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          tmp3 = tmp1 + (K2_000000000 * tmp2);
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          tmp27 = tmp13 - tmp15;
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          tmp16 = tmp13 + tmp15;
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     }
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     {
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          fftw_real tmp19;
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          fftw_real tmp4;
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          fftw_real tmp5;
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          fftw_real tmp17;
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          fftw_real tmp18;
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          ASSERT_ALIGNED_DOUBLE();
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          tmp18 = imag_input[2 * imag_istride];
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          tmp19 = K1_732050807 * tmp18;
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          tmp4 = real_input[6 * real_istride];
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          tmp5 = real_input[2 * real_istride];
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          tmp17 = tmp4 - tmp5;
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          tmp6 = tmp4 + (K2_000000000 * tmp5);
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          tmp28 = tmp17 + tmp19;
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          tmp20 = tmp17 - tmp19;
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     }
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     {
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          fftw_real tmp7;
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          fftw_real tmp12;
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          fftw_real tmp39;
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          fftw_real tmp40;
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          ASSERT_ALIGNED_DOUBLE();
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          tmp7 = tmp3 + tmp6;
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          tmp12 = K2_000000000 * (tmp8 + tmp11);
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          output[6 * ostride] = tmp7 - tmp12;
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          output[0] = tmp7 + tmp12;
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          {
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               fftw_real tmp31;
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               fftw_real tmp34;
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               fftw_real tmp21;
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               fftw_real tmp26;
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               ASSERT_ALIGNED_DOUBLE();
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               tmp31 = tmp3 - tmp6;
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               tmp34 = K2_000000000 * (tmp32 - tmp33);
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               output[9 * ostride] = tmp31 - tmp34;
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               output[3 * ostride] = tmp31 + tmp34;
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               tmp21 = tmp16 + tmp20;
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               tmp26 = tmp22 - tmp25;
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               output[2 * ostride] = tmp21 - tmp26;
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               output[8 * ostride] = tmp21 + tmp26;
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          }
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          tmp39 = tmp16 - tmp20;
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          tmp40 = tmp37 - tmp36;
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          output[5 * ostride] = tmp39 - tmp40;
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          output[11 * ostride] = tmp39 + tmp40;
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          {
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               fftw_real tmp35;
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               fftw_real tmp38;
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               fftw_real tmp29;
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               fftw_real tmp30;
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               ASSERT_ALIGNED_DOUBLE();
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               tmp35 = tmp27 - tmp28;
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               tmp38 = tmp36 + tmp37;
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               output[ostride] = tmp35 - tmp38;
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               output[7 * ostride] = tmp35 + tmp38;
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               tmp29 = tmp27 + tmp28;
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               tmp30 = tmp22 + tmp25;
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               output[10 * ostride] = tmp29 - tmp30;
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               output[4 * ostride] = tmp29 + tmp30;
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          }
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     }
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}
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fftw_codelet_desc fftw_hc2real_12_desc =
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{
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     "fftw_hc2real_12",
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     (void (*)()) fftw_hc2real_12,
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     12,
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     FFTW_BACKWARD,
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     FFTW_HC2REAL,
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     279,
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     0,
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     (const int *) 0,
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};