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fni_14.c

/*
 * 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 Sun Nov  7 20:44:12 EST 1999 */

#include <fftw-int.h>
#include <fftw.h>

/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddleinv 14 */

/*
 * This function contains 148 FP additions, 72 FP multiplications,
 * (or, 148 additions, 72 multiplications, 0 fused multiply/add),
 * 36 stack variables, and 56 memory accesses
 */
static const fftw_real K222520933 = FFTW_KONST(+0.222520933956314404288902564496794759466355569);
static const fftw_real K900968867 = FFTW_KONST(+0.900968867902419126236102319507445051165919162);
static const fftw_real K623489801 = FFTW_KONST(+0.623489801858733530525004884004239810632274731);
static const fftw_real K433883739 = FFTW_KONST(+0.433883739117558120475768332848358754609990728);
static const fftw_real K781831482 = FFTW_KONST(+0.781831482468029808708444526674057750232334519);
static const fftw_real K974927912 = FFTW_KONST(+0.974927912181823607018131682993931217232785801);

/*
 * Generator Id's : 
 * $Id: exprdag.ml,v 1.41 1999/05/26 15:44:14 fftw Exp $
 * $Id: fft.ml,v 1.43 1999/05/17 19:44:18 fftw Exp $
 * $Id: to_c.ml,v 1.25 1999/10/26 21:41:32 stevenj Exp $
 */

void fftwi_no_twiddle_14(const fftw_complex *input, fftw_complex *output, int istride, int ostride)
{
     fftw_real tmp3;
     fftw_real tmp25;
     fftw_real tmp68;
     fftw_real tmp92;
     fftw_real tmp10;
     fftw_real tmp62;
     fftw_real tmp28;
     fftw_real tmp97;
     fftw_real tmp42;
     fftw_real tmp71;
     fftw_real tmp80;
     fftw_real tmp93;
     fftw_real tmp17;
     fftw_real tmp64;
     fftw_real tmp31;
     fftw_real tmp99;
     fftw_real tmp56;
     fftw_real tmp69;
     fftw_real tmp86;
     fftw_real tmp95;
     fftw_real tmp24;
     fftw_real tmp63;
     fftw_real tmp34;
     fftw_real tmp98;
     fftw_real tmp49;
     fftw_real tmp70;
     fftw_real tmp83;
     fftw_real tmp94;
     ASSERT_ALIGNED_DOUBLE;
     {
        fftw_real tmp1;
        fftw_real tmp2;
        fftw_real tmp66;
        fftw_real tmp67;
        ASSERT_ALIGNED_DOUBLE;
        tmp1 = c_re(input[0]);
        tmp2 = c_re(input[7 * istride]);
        tmp3 = tmp1 - tmp2;
        tmp25 = tmp1 + tmp2;
        tmp66 = c_im(input[0]);
        tmp67 = c_im(input[7 * istride]);
        tmp68 = tmp66 - tmp67;
        tmp92 = tmp66 + tmp67;
     }
     {
        fftw_real tmp6;
        fftw_real tmp26;
        fftw_real tmp9;
        fftw_real tmp27;
        ASSERT_ALIGNED_DOUBLE;
        {
             fftw_real tmp4;
             fftw_real tmp5;
             fftw_real tmp7;
             fftw_real tmp8;
             ASSERT_ALIGNED_DOUBLE;
             tmp4 = c_re(input[2 * istride]);
             tmp5 = c_re(input[9 * istride]);
             tmp6 = tmp4 - tmp5;
             tmp26 = tmp4 + tmp5;
             tmp7 = c_re(input[12 * istride]);
             tmp8 = c_re(input[5 * istride]);
             tmp9 = tmp7 - tmp8;
             tmp27 = tmp7 + tmp8;
        }
        tmp10 = tmp6 + tmp9;
        tmp62 = tmp6 - tmp9;
        tmp28 = tmp26 + tmp27;
        tmp97 = tmp26 - tmp27;
     }
     {
        fftw_real tmp38;
        fftw_real tmp78;
        fftw_real tmp41;
        fftw_real tmp79;
        ASSERT_ALIGNED_DOUBLE;
        {
             fftw_real tmp36;
             fftw_real tmp37;
             fftw_real tmp39;
             fftw_real tmp40;
             ASSERT_ALIGNED_DOUBLE;
             tmp36 = c_im(input[12 * istride]);
             tmp37 = c_im(input[5 * istride]);
             tmp38 = tmp36 - tmp37;
             tmp78 = tmp36 + tmp37;
             tmp39 = c_im(input[2 * istride]);
             tmp40 = c_im(input[9 * istride]);
             tmp41 = tmp39 - tmp40;
             tmp79 = tmp39 + tmp40;
        }
        tmp42 = tmp38 - tmp41;
        tmp71 = tmp41 + tmp38;
        tmp80 = tmp78 - tmp79;
        tmp93 = tmp79 + tmp78;
     }
     {
        fftw_real tmp13;
        fftw_real tmp29;
        fftw_real tmp16;
        fftw_real tmp30;
        ASSERT_ALIGNED_DOUBLE;
        {
             fftw_real tmp11;
             fftw_real tmp12;
             fftw_real tmp14;
             fftw_real tmp15;
             ASSERT_ALIGNED_DOUBLE;
             tmp11 = c_re(input[4 * istride]);
             tmp12 = c_re(input[11 * istride]);
             tmp13 = tmp11 - tmp12;
             tmp29 = tmp11 + tmp12;
             tmp14 = c_re(input[10 * istride]);
             tmp15 = c_re(input[3 * istride]);
             tmp16 = tmp14 - tmp15;
             tmp30 = tmp14 + tmp15;
        }
        tmp17 = tmp13 + tmp16;
        tmp64 = tmp13 - tmp16;
        tmp31 = tmp29 + tmp30;
        tmp99 = tmp30 - tmp29;
     }
     {
        fftw_real tmp52;
        fftw_real tmp85;
        fftw_real tmp55;
        fftw_real tmp84;
        ASSERT_ALIGNED_DOUBLE;
        {
             fftw_real tmp50;
             fftw_real tmp51;
             fftw_real tmp53;
             fftw_real tmp54;
             ASSERT_ALIGNED_DOUBLE;
             tmp50 = c_im(input[10 * istride]);
             tmp51 = c_im(input[3 * istride]);
             tmp52 = tmp50 - tmp51;
             tmp85 = tmp50 + tmp51;
             tmp53 = c_im(input[4 * istride]);
             tmp54 = c_im(input[11 * istride]);
             tmp55 = tmp53 - tmp54;
             tmp84 = tmp53 + tmp54;
        }
        tmp56 = tmp52 - tmp55;
        tmp69 = tmp55 + tmp52;
        tmp86 = tmp84 - tmp85;
        tmp95 = tmp84 + tmp85;
     }
     {
        fftw_real tmp20;
        fftw_real tmp32;
        fftw_real tmp23;
        fftw_real tmp33;
        ASSERT_ALIGNED_DOUBLE;
        {
             fftw_real tmp18;
             fftw_real tmp19;
             fftw_real tmp21;
             fftw_real tmp22;
             ASSERT_ALIGNED_DOUBLE;
             tmp18 = c_re(input[6 * istride]);
             tmp19 = c_re(input[13 * istride]);
             tmp20 = tmp18 - tmp19;
             tmp32 = tmp18 + tmp19;
             tmp21 = c_re(input[8 * istride]);
             tmp22 = c_re(input[istride]);
             tmp23 = tmp21 - tmp22;
             tmp33 = tmp21 + tmp22;
        }
        tmp24 = tmp20 + tmp23;
        tmp63 = tmp20 - tmp23;
        tmp34 = tmp32 + tmp33;
        tmp98 = tmp33 - tmp32;
     }
     {
        fftw_real tmp45;
        fftw_real tmp82;
        fftw_real tmp48;
        fftw_real tmp81;
        ASSERT_ALIGNED_DOUBLE;
        {
             fftw_real tmp43;
             fftw_real tmp44;
             fftw_real tmp46;
             fftw_real tmp47;
             ASSERT_ALIGNED_DOUBLE;
             tmp43 = c_im(input[8 * istride]);
             tmp44 = c_im(input[istride]);
             tmp45 = tmp43 - tmp44;
             tmp82 = tmp43 + tmp44;
             tmp46 = c_im(input[6 * istride]);
             tmp47 = c_im(input[13 * istride]);
             tmp48 = tmp46 - tmp47;
             tmp81 = tmp46 + tmp47;
        }
        tmp49 = tmp45 - tmp48;
        tmp70 = tmp48 + tmp45;
        tmp83 = tmp81 - tmp82;
        tmp94 = tmp81 + tmp82;
     }
     {
        fftw_real tmp57;
        fftw_real tmp35;
        fftw_real tmp87;
        fftw_real tmp77;
        ASSERT_ALIGNED_DOUBLE;
        c_re(output[7 * ostride]) = tmp3 + tmp10 + tmp17 + tmp24;
        tmp57 = (K974927912 * tmp42) - (K781831482 * tmp49) - (K433883739 * tmp56);
        tmp35 = tmp3 + (K623489801 * tmp24) - (K900968867 * tmp17) - (K222520933 * tmp10);
        c_re(output[5 * ostride]) = tmp35 - tmp57;
        c_re(output[9 * ostride]) = tmp35 + tmp57;
        {
             fftw_real tmp59;
             fftw_real tmp58;
             fftw_real tmp61;
             fftw_real tmp60;
             ASSERT_ALIGNED_DOUBLE;
             tmp59 = (K781831482 * tmp42) + (K974927912 * tmp56) + (K433883739 * tmp49);
             tmp58 = tmp3 + (K623489801 * tmp10) - (K900968867 * tmp24) - (K222520933 * tmp17);
             c_re(output[13 * ostride]) = tmp58 - tmp59;
             c_re(output[ostride]) = tmp58 + tmp59;
             tmp61 = (K433883739 * tmp42) + (K974927912 * tmp49) - (K781831482 * tmp56);
             tmp60 = tmp3 + (K623489801 * tmp17) - (K222520933 * tmp24) - (K900968867 * tmp10);
             c_re(output[11 * ostride]) = tmp60 - tmp61;
             c_re(output[3 * ostride]) = tmp60 + tmp61;
        }
        c_re(output[0]) = tmp25 + tmp28 + tmp31 + tmp34;
        tmp87 = (K781831482 * tmp80) - (K433883739 * tmp83) - (K974927912 * tmp86);
        tmp77 = tmp25 + (K623489801 * tmp28) - (K900968867 * tmp34) - (K222520933 * tmp31);
        c_re(output[6 * ostride]) = tmp77 - tmp87;
        c_re(output[8 * ostride]) = tmp77 + tmp87;
        {
             fftw_real tmp89;
             fftw_real tmp88;
             fftw_real tmp91;
             fftw_real tmp90;
             ASSERT_ALIGNED_DOUBLE;
             tmp89 = (K433883739 * tmp80) + (K781831482 * tmp86) - (K974927912 * tmp83);
             tmp88 = tmp25 + (K623489801 * tmp31) - (K222520933 * tmp34) - (K900968867 * tmp28);
             c_re(output[4 * ostride]) = tmp88 - tmp89;
             c_re(output[10 * ostride]) = tmp88 + tmp89;
             tmp91 = (K974927912 * tmp80) + (K433883739 * tmp86) + (K781831482 * tmp83);
             tmp90 = tmp25 + (K623489801 * tmp34) - (K900968867 * tmp31) - (K222520933 * tmp28);
             c_re(output[12 * ostride]) = tmp90 - tmp91;
             c_re(output[2 * ostride]) = tmp90 + tmp91;
        }
     }
     {
        fftw_real tmp76;
        fftw_real tmp75;
        fftw_real tmp103;
        fftw_real tmp104;
        ASSERT_ALIGNED_DOUBLE;
        c_im(output[7 * ostride]) = tmp68 + tmp71 + tmp69 + tmp70;
        tmp76 = (K974927912 * tmp62) - (K781831482 * tmp63) - (K433883739 * tmp64);
        tmp75 = tmp68 + (K623489801 * tmp70) - (K900968867 * tmp69) - (K222520933 * tmp71);
        c_im(output[5 * ostride]) = tmp75 - tmp76;
        c_im(output[9 * ostride]) = tmp76 + tmp75;
        {
             fftw_real tmp73;
             fftw_real tmp74;
             fftw_real tmp65;
             fftw_real tmp72;
             ASSERT_ALIGNED_DOUBLE;
             tmp73 = (K781831482 * tmp62) + (K974927912 * tmp64) + (K433883739 * tmp63);
             tmp74 = tmp68 + (K623489801 * tmp71) - (K900968867 * tmp70) - (K222520933 * tmp69);
             c_im(output[ostride]) = tmp73 + tmp74;
             c_im(output[13 * ostride]) = tmp74 - tmp73;
             tmp65 = (K433883739 * tmp62) + (K974927912 * tmp63) - (K781831482 * tmp64);
             tmp72 = tmp68 + (K623489801 * tmp69) - (K222520933 * tmp70) - (K900968867 * tmp71);
             c_im(output[3 * ostride]) = tmp65 + tmp72;
             c_im(output[11 * ostride]) = tmp72 - tmp65;
        }
        c_im(output[0]) = tmp92 + tmp93 + tmp95 + tmp94;
        tmp103 = (K974927912 * tmp97) + (K433883739 * tmp99) + (K781831482 * tmp98);
        tmp104 = tmp92 + (K623489801 * tmp94) - (K900968867 * tmp95) - (K222520933 * tmp93);
        c_im(output[2 * ostride]) = tmp103 + tmp104;
        c_im(output[12 * ostride]) = tmp104 - tmp103;
        {
             fftw_real tmp100;
             fftw_real tmp96;
             fftw_real tmp102;
             fftw_real tmp101;
             ASSERT_ALIGNED_DOUBLE;
             tmp100 = (K781831482 * tmp97) - (K433883739 * tmp98) - (K974927912 * tmp99);
             tmp96 = tmp92 + (K623489801 * tmp93) - (K900968867 * tmp94) - (K222520933 * tmp95);
             c_im(output[6 * ostride]) = tmp96 - tmp100;
             c_im(output[8 * ostride]) = tmp100 + tmp96;
             tmp102 = (K433883739 * tmp97) + (K781831482 * tmp99) - (K974927912 * tmp98);
             tmp101 = tmp92 + (K623489801 * tmp95) - (K222520933 * tmp94) - (K900968867 * tmp93);
             c_im(output[4 * ostride]) = tmp101 - tmp102;
             c_im(output[10 * ostride]) = tmp102 + tmp101;
        }
     }
}

fftw_codelet_desc fftwi_no_twiddle_14_desc =
{
     "fftwi_no_twiddle_14",
     (void (*)()) fftwi_no_twiddle_14,
     14,
     FFTW_BACKWARD,
     FFTW_NOTW,
     320,
     0,
     (const int *) 0,
};

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