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fn_10.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 20:43:48 EST 1999 */

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

/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddle 10 */

/*
 * This function contains 84 FP additions, 24 FP multiplications,
 * (or, 72 additions, 12 multiplications, 12 fused multiply/add),
 * 36 stack variables, and 40 memory accesses
 */
static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000);
static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590);
static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);

/*
 * 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 fftw_no_twiddle_10(const fftw_complex *input, fftw_complex *output, int istride, int ostride)
{
     fftw_real tmp3;
     fftw_real tmp19;
     fftw_real tmp52;
     fftw_real tmp76;
     fftw_real tmp56;
     fftw_real tmp57;
     fftw_real tmp10;
     fftw_real tmp17;
     fftw_real tmp18;
     fftw_real tmp74;
     fftw_real tmp73;
     fftw_real tmp22;
     fftw_real tmp25;
     fftw_real tmp26;
     fftw_real tmp36;
     fftw_real tmp43;
     fftw_real tmp47;
     fftw_real tmp48;
     fftw_real tmp53;
     fftw_real tmp66;
     fftw_real tmp69;
     fftw_real tmp77;
     fftw_real tmp78;
     fftw_real tmp79;
     ASSERT_ALIGNED_DOUBLE;
     {
        fftw_real tmp1;
        fftw_real tmp2;
        fftw_real tmp50;
        fftw_real tmp51;
        ASSERT_ALIGNED_DOUBLE;
        tmp1 = c_re(input[0]);
        tmp2 = c_re(input[5 * istride]);
        tmp3 = tmp1 - tmp2;
        tmp19 = tmp1 + tmp2;
        tmp50 = c_im(input[0]);
        tmp51 = c_im(input[5 * istride]);
        tmp52 = tmp50 - tmp51;
        tmp76 = tmp50 + tmp51;
     }
     {
        fftw_real tmp6;
        fftw_real tmp20;
        fftw_real tmp16;
        fftw_real tmp24;
        fftw_real tmp9;
        fftw_real tmp21;
        fftw_real tmp13;
        fftw_real tmp23;
        ASSERT_ALIGNED_DOUBLE;
        {
             fftw_real tmp4;
             fftw_real tmp5;
             fftw_real tmp14;
             fftw_real tmp15;
             ASSERT_ALIGNED_DOUBLE;
             tmp4 = c_re(input[2 * istride]);
             tmp5 = c_re(input[7 * istride]);
             tmp6 = tmp4 - tmp5;
             tmp20 = tmp4 + tmp5;
             tmp14 = c_re(input[6 * istride]);
             tmp15 = c_re(input[istride]);
             tmp16 = tmp14 - tmp15;
             tmp24 = tmp14 + tmp15;
        }
        {
             fftw_real tmp7;
             fftw_real tmp8;
             fftw_real tmp11;
             fftw_real tmp12;
             ASSERT_ALIGNED_DOUBLE;
             tmp7 = c_re(input[8 * istride]);
             tmp8 = c_re(input[3 * istride]);
             tmp9 = tmp7 - tmp8;
             tmp21 = tmp7 + tmp8;
             tmp11 = c_re(input[4 * istride]);
             tmp12 = c_re(input[9 * istride]);
             tmp13 = tmp11 - tmp12;
             tmp23 = tmp11 + tmp12;
        }
        tmp56 = tmp6 - tmp9;
        tmp57 = tmp13 - tmp16;
        tmp10 = tmp6 + tmp9;
        tmp17 = tmp13 + tmp16;
        tmp18 = tmp10 + tmp17;
        tmp74 = tmp20 - tmp21;
        tmp73 = tmp23 - tmp24;
        tmp22 = tmp20 + tmp21;
        tmp25 = tmp23 + tmp24;
        tmp26 = tmp22 + tmp25;
     }
     {
        fftw_real tmp32;
        fftw_real tmp67;
        fftw_real tmp42;
        fftw_real tmp65;
        fftw_real tmp35;
        fftw_real tmp68;
        fftw_real tmp39;
        fftw_real tmp64;
        ASSERT_ALIGNED_DOUBLE;
        {
             fftw_real tmp30;
             fftw_real tmp31;
             fftw_real tmp40;
             fftw_real tmp41;
             ASSERT_ALIGNED_DOUBLE;
             tmp30 = c_im(input[2 * istride]);
             tmp31 = c_im(input[7 * istride]);
             tmp32 = tmp30 - tmp31;
             tmp67 = tmp30 + tmp31;
             tmp40 = c_im(input[6 * istride]);
             tmp41 = c_im(input[istride]);
             tmp42 = tmp40 - tmp41;
             tmp65 = tmp40 + tmp41;
        }
        {
             fftw_real tmp33;
             fftw_real tmp34;
             fftw_real tmp37;
             fftw_real tmp38;
             ASSERT_ALIGNED_DOUBLE;
             tmp33 = c_im(input[8 * istride]);
             tmp34 = c_im(input[3 * istride]);
             tmp35 = tmp33 - tmp34;
             tmp68 = tmp33 + tmp34;
             tmp37 = c_im(input[4 * istride]);
             tmp38 = c_im(input[9 * istride]);
             tmp39 = tmp37 - tmp38;
             tmp64 = tmp37 + tmp38;
        }
        tmp36 = tmp32 - tmp35;
        tmp43 = tmp39 - tmp42;
        tmp47 = tmp32 + tmp35;
        tmp48 = tmp39 + tmp42;
        tmp53 = tmp47 + tmp48;
        tmp66 = tmp64 - tmp65;
        tmp69 = tmp67 - tmp68;
        tmp77 = tmp67 + tmp68;
        tmp78 = tmp64 + tmp65;
        tmp79 = tmp77 + tmp78;
     }
     c_re(output[5 * ostride]) = tmp3 + tmp18;
     {
        fftw_real tmp44;
        fftw_real tmp46;
        fftw_real tmp29;
        fftw_real tmp45;
        fftw_real tmp27;
        fftw_real tmp28;
        ASSERT_ALIGNED_DOUBLE;
        tmp44 = (K951056516 * tmp36) + (K587785252 * tmp43);
        tmp46 = (K951056516 * tmp43) - (K587785252 * tmp36);
        tmp27 = K559016994 * (tmp10 - tmp17);
        tmp28 = tmp3 - (K250000000 * tmp18);
        tmp29 = tmp27 + tmp28;
        tmp45 = tmp28 - tmp27;
        c_re(output[9 * ostride]) = tmp29 - tmp44;
        c_re(output[ostride]) = tmp29 + tmp44;
        c_re(output[7 * ostride]) = tmp45 - tmp46;
        c_re(output[3 * ostride]) = tmp45 + tmp46;
     }
     c_re(output[0]) = tmp19 + tmp26;
     {
        fftw_real tmp70;
        fftw_real tmp72;
        fftw_real tmp63;
        fftw_real tmp71;
        fftw_real tmp61;
        fftw_real tmp62;
        ASSERT_ALIGNED_DOUBLE;
        tmp70 = (K951056516 * tmp66) - (K587785252 * tmp69);
        tmp72 = (K951056516 * tmp69) + (K587785252 * tmp66);
        tmp61 = tmp19 - (K250000000 * tmp26);
        tmp62 = K559016994 * (tmp22 - tmp25);
        tmp63 = tmp61 - tmp62;
        tmp71 = tmp62 + tmp61;
        c_re(output[2 * ostride]) = tmp63 - tmp70;
        c_re(output[8 * ostride]) = tmp63 + tmp70;
        c_re(output[4 * ostride]) = tmp71 - tmp72;
        c_re(output[6 * ostride]) = tmp71 + tmp72;
     }
     c_im(output[5 * ostride]) = tmp52 + tmp53;
     {
        fftw_real tmp58;
        fftw_real tmp60;
        fftw_real tmp55;
        fftw_real tmp59;
        fftw_real tmp49;
        fftw_real tmp54;
        ASSERT_ALIGNED_DOUBLE;
        tmp58 = (K951056516 * tmp56) + (K587785252 * tmp57);
        tmp60 = (K951056516 * tmp57) - (K587785252 * tmp56);
        tmp49 = K559016994 * (tmp47 - tmp48);
        tmp54 = tmp52 - (K250000000 * tmp53);
        tmp55 = tmp49 + tmp54;
        tmp59 = tmp54 - tmp49;
        c_im(output[ostride]) = tmp55 - tmp58;
        c_im(output[9 * ostride]) = tmp58 + tmp55;
        c_im(output[3 * ostride]) = tmp59 - tmp60;
        c_im(output[7 * ostride]) = tmp60 + tmp59;
     }
     c_im(output[0]) = tmp76 + tmp79;
     {
        fftw_real tmp75;
        fftw_real tmp83;
        fftw_real tmp82;
        fftw_real tmp84;
        fftw_real tmp80;
        fftw_real tmp81;
        ASSERT_ALIGNED_DOUBLE;
        tmp75 = (K951056516 * tmp73) - (K587785252 * tmp74);
        tmp83 = (K951056516 * tmp74) + (K587785252 * tmp73);
        tmp80 = tmp76 - (K250000000 * tmp79);
        tmp81 = K559016994 * (tmp77 - tmp78);
        tmp82 = tmp80 - tmp81;
        tmp84 = tmp81 + tmp80;
        c_im(output[2 * ostride]) = tmp75 + tmp82;
        c_im(output[8 * ostride]) = tmp82 - tmp75;
        c_im(output[4 * ostride]) = tmp83 + tmp84;
        c_im(output[6 * ostride]) = tmp84 - tmp83;
     }
}

fftw_codelet_desc fftw_no_twiddle_10_desc =
{
     "fftw_no_twiddle_10",
     (void (*)()) fftw_no_twiddle_10,
     10,
     FFTW_FORWARD,
     FFTW_NOTW,
     221,
     0,
     (const int *) 0,
};

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