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ftwi_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 20:44:59 EST 1999 */

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

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

/*
 * This function contains 102 FP additions, 60 FP multiplications,
 * (or, 72 additions, 30 multiplications, 30 fused multiply/add),
 * 42 stack variables, and 40 memory accesses
 */
static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);
static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000);
static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590);

/*
 * 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_twiddle_10(fftw_complex *A, const fftw_complex *W, int iostride, int m, int dist)
{
     int i;
     fftw_complex *inout;
     inout = A;
     for (i = m; i > 0; i = i - 1, inout = inout + dist, W = W + 9) {
        fftw_real tmp7;
        fftw_real tmp55;
        fftw_real tmp100;
        fftw_real tmp115;
        fftw_real tmp41;
        fftw_real tmp52;
        fftw_real tmp53;
        fftw_real tmp59;
        fftw_real tmp60;
        fftw_real tmp61;
        fftw_real tmp75;
        fftw_real tmp78;
        fftw_real tmp113;
        fftw_real tmp89;
        fftw_real tmp90;
        fftw_real tmp96;
        fftw_real tmp18;
        fftw_real tmp29;
        fftw_real tmp30;
        fftw_real tmp56;
        fftw_real tmp57;
        fftw_real tmp58;
        fftw_real tmp68;
        fftw_real tmp71;
        fftw_real tmp112;
        fftw_real tmp86;
        fftw_real tmp87;
        fftw_real tmp95;
        ASSERT_ALIGNED_DOUBLE;
        {
             fftw_real tmp1;
             fftw_real tmp99;
             fftw_real tmp6;
             fftw_real tmp98;
             ASSERT_ALIGNED_DOUBLE;
             tmp1 = c_re(inout[0]);
             tmp99 = c_im(inout[0]);
             {
                fftw_real tmp3;
                fftw_real tmp5;
                fftw_real tmp2;
                fftw_real tmp4;
                ASSERT_ALIGNED_DOUBLE;
                tmp3 = c_re(inout[5 * iostride]);
                tmp5 = c_im(inout[5 * iostride]);
                tmp2 = c_re(W[4]);
                tmp4 = c_im(W[4]);
                tmp6 = (tmp2 * tmp3) + (tmp4 * tmp5);
                tmp98 = (tmp2 * tmp5) - (tmp4 * tmp3);
             }
             tmp7 = tmp1 - tmp6;
             tmp55 = tmp1 + tmp6;
             tmp100 = tmp98 + tmp99;
             tmp115 = tmp99 - tmp98;
        }
        {
             fftw_real tmp35;
             fftw_real tmp73;
             fftw_real tmp51;
             fftw_real tmp77;
             fftw_real tmp40;
             fftw_real tmp74;
             fftw_real tmp46;
             fftw_real tmp76;
             ASSERT_ALIGNED_DOUBLE;
             {
                fftw_real tmp32;
                fftw_real tmp34;
                fftw_real tmp31;
                fftw_real tmp33;
                ASSERT_ALIGNED_DOUBLE;
                tmp32 = c_re(inout[4 * iostride]);
                tmp34 = c_im(inout[4 * iostride]);
                tmp31 = c_re(W[3]);
                tmp33 = c_im(W[3]);
                tmp35 = (tmp31 * tmp32) + (tmp33 * tmp34);
                tmp73 = (tmp31 * tmp34) - (tmp33 * tmp32);
             }
             {
                fftw_real tmp48;
                fftw_real tmp50;
                fftw_real tmp47;
                fftw_real tmp49;
                ASSERT_ALIGNED_DOUBLE;
                tmp48 = c_re(inout[iostride]);
                tmp50 = c_im(inout[iostride]);
                tmp47 = c_re(W[0]);
                tmp49 = c_im(W[0]);
                tmp51 = (tmp47 * tmp48) + (tmp49 * tmp50);
                tmp77 = (tmp47 * tmp50) - (tmp49 * tmp48);
             }
             {
                fftw_real tmp37;
                fftw_real tmp39;
                fftw_real tmp36;
                fftw_real tmp38;
                ASSERT_ALIGNED_DOUBLE;
                tmp37 = c_re(inout[9 * iostride]);
                tmp39 = c_im(inout[9 * iostride]);
                tmp36 = c_re(W[8]);
                tmp38 = c_im(W[8]);
                tmp40 = (tmp36 * tmp37) + (tmp38 * tmp39);
                tmp74 = (tmp36 * tmp39) - (tmp38 * tmp37);
             }
             {
                fftw_real tmp43;
                fftw_real tmp45;
                fftw_real tmp42;
                fftw_real tmp44;
                ASSERT_ALIGNED_DOUBLE;
                tmp43 = c_re(inout[6 * iostride]);
                tmp45 = c_im(inout[6 * iostride]);
                tmp42 = c_re(W[5]);
                tmp44 = c_im(W[5]);
                tmp46 = (tmp42 * tmp43) + (tmp44 * tmp45);
                tmp76 = (tmp42 * tmp45) - (tmp44 * tmp43);
             }
             tmp41 = tmp35 - tmp40;
             tmp52 = tmp46 - tmp51;
             tmp53 = tmp41 + tmp52;
             tmp59 = tmp35 + tmp40;
             tmp60 = tmp46 + tmp51;
             tmp61 = tmp59 + tmp60;
             tmp75 = tmp73 - tmp74;
             tmp78 = tmp76 - tmp77;
             tmp113 = tmp75 + tmp78;
             tmp89 = tmp73 + tmp74;
             tmp90 = tmp76 + tmp77;
             tmp96 = tmp89 + tmp90;
        }
        {
             fftw_real tmp12;
             fftw_real tmp66;
             fftw_real tmp28;
             fftw_real tmp70;
             fftw_real tmp17;
             fftw_real tmp67;
             fftw_real tmp23;
             fftw_real tmp69;
             ASSERT_ALIGNED_DOUBLE;
             {
                fftw_real tmp9;
                fftw_real tmp11;
                fftw_real tmp8;
                fftw_real tmp10;
                ASSERT_ALIGNED_DOUBLE;
                tmp9 = c_re(inout[2 * iostride]);
                tmp11 = c_im(inout[2 * iostride]);
                tmp8 = c_re(W[1]);
                tmp10 = c_im(W[1]);
                tmp12 = (tmp8 * tmp9) + (tmp10 * tmp11);
                tmp66 = (tmp8 * tmp11) - (tmp10 * tmp9);
             }
             {
                fftw_real tmp25;
                fftw_real tmp27;
                fftw_real tmp24;
                fftw_real tmp26;
                ASSERT_ALIGNED_DOUBLE;
                tmp25 = c_re(inout[3 * iostride]);
                tmp27 = c_im(inout[3 * iostride]);
                tmp24 = c_re(W[2]);
                tmp26 = c_im(W[2]);
                tmp28 = (tmp24 * tmp25) + (tmp26 * tmp27);
                tmp70 = (tmp24 * tmp27) - (tmp26 * tmp25);
             }
             {
                fftw_real tmp14;
                fftw_real tmp16;
                fftw_real tmp13;
                fftw_real tmp15;
                ASSERT_ALIGNED_DOUBLE;
                tmp14 = c_re(inout[7 * iostride]);
                tmp16 = c_im(inout[7 * iostride]);
                tmp13 = c_re(W[6]);
                tmp15 = c_im(W[6]);
                tmp17 = (tmp13 * tmp14) + (tmp15 * tmp16);
                tmp67 = (tmp13 * tmp16) - (tmp15 * tmp14);
             }
             {
                fftw_real tmp20;
                fftw_real tmp22;
                fftw_real tmp19;
                fftw_real tmp21;
                ASSERT_ALIGNED_DOUBLE;
                tmp20 = c_re(inout[8 * iostride]);
                tmp22 = c_im(inout[8 * iostride]);
                tmp19 = c_re(W[7]);
                tmp21 = c_im(W[7]);
                tmp23 = (tmp19 * tmp20) + (tmp21 * tmp22);
                tmp69 = (tmp19 * tmp22) - (tmp21 * tmp20);
             }
             tmp18 = tmp12 - tmp17;
             tmp29 = tmp23 - tmp28;
             tmp30 = tmp18 + tmp29;
             tmp56 = tmp12 + tmp17;
             tmp57 = tmp23 + tmp28;
             tmp58 = tmp56 + tmp57;
             tmp68 = tmp66 - tmp67;
             tmp71 = tmp69 - tmp70;
             tmp112 = tmp68 + tmp71;
             tmp86 = tmp66 + tmp67;
             tmp87 = tmp69 + tmp70;
             tmp95 = tmp86 + tmp87;
        }
        {
             fftw_real tmp64;
             fftw_real tmp54;
             fftw_real tmp63;
             fftw_real tmp80;
             fftw_real tmp82;
             fftw_real tmp72;
             fftw_real tmp79;
             fftw_real tmp81;
             fftw_real tmp65;
             ASSERT_ALIGNED_DOUBLE;
             tmp64 = K559016994 * (tmp30 - tmp53);
             tmp54 = tmp30 + tmp53;
             tmp63 = tmp7 - (K250000000 * tmp54);
             tmp72 = tmp68 - tmp71;
             tmp79 = tmp75 - tmp78;
             tmp80 = (K587785252 * tmp72) - (K951056516 * tmp79);
             tmp82 = (K951056516 * tmp72) + (K587785252 * tmp79);
             c_re(inout[5 * iostride]) = tmp7 + tmp54;
             tmp81 = tmp64 + tmp63;
             c_re(inout[iostride]) = tmp81 - tmp82;
             c_re(inout[9 * iostride]) = tmp81 + tmp82;
             tmp65 = tmp63 - tmp64;
             c_re(inout[7 * iostride]) = tmp65 - tmp80;
             c_re(inout[3 * iostride]) = tmp65 + tmp80;
        }
        {
             fftw_real tmp114;
             fftw_real tmp116;
             fftw_real tmp117;
             fftw_real tmp111;
             fftw_real tmp120;
             fftw_real tmp109;
             fftw_real tmp110;
             fftw_real tmp119;
             fftw_real tmp118;
             ASSERT_ALIGNED_DOUBLE;
             tmp114 = K559016994 * (tmp112 - tmp113);
             tmp116 = tmp112 + tmp113;
             tmp117 = tmp115 - (K250000000 * tmp116);
             tmp109 = tmp18 - tmp29;
             tmp110 = tmp41 - tmp52;
             tmp111 = (K951056516 * tmp109) + (K587785252 * tmp110);
             tmp120 = (K587785252 * tmp109) - (K951056516 * tmp110);
             c_im(inout[5 * iostride]) = tmp116 + tmp115;
             tmp119 = tmp117 - tmp114;
             c_im(inout[3 * iostride]) = tmp119 - tmp120;
             c_im(inout[7 * iostride]) = tmp120 + tmp119;
             tmp118 = tmp114 + tmp117;
             c_im(inout[iostride]) = tmp111 + tmp118;
             c_im(inout[9 * iostride]) = tmp118 - tmp111;
        }
        {
             fftw_real tmp84;
             fftw_real tmp62;
             fftw_real tmp83;
             fftw_real tmp92;
             fftw_real tmp94;
             fftw_real tmp88;
             fftw_real tmp91;
             fftw_real tmp93;
             fftw_real tmp85;
             ASSERT_ALIGNED_DOUBLE;
             tmp84 = K559016994 * (tmp58 - tmp61);
             tmp62 = tmp58 + tmp61;
             tmp83 = tmp55 - (K250000000 * tmp62);
             tmp88 = tmp86 - tmp87;
             tmp91 = tmp89 - tmp90;
             tmp92 = (K587785252 * tmp88) - (K951056516 * tmp91);
             tmp94 = (K951056516 * tmp88) + (K587785252 * tmp91);
             c_re(inout[0]) = tmp55 + tmp62;
             tmp93 = tmp84 + tmp83;
             c_re(inout[6 * iostride]) = tmp93 - tmp94;
             c_re(inout[4 * iostride]) = tmp93 + tmp94;
             tmp85 = tmp83 - tmp84;
             c_re(inout[2 * iostride]) = tmp85 - tmp92;
             c_re(inout[8 * iostride]) = tmp85 + tmp92;
        }
        {
             fftw_real tmp105;
             fftw_real tmp97;
             fftw_real tmp104;
             fftw_real tmp103;
             fftw_real tmp108;
             fftw_real tmp101;
             fftw_real tmp102;
             fftw_real tmp107;
             fftw_real tmp106;
             ASSERT_ALIGNED_DOUBLE;
             tmp105 = K559016994 * (tmp95 - tmp96);
             tmp97 = tmp95 + tmp96;
             tmp104 = tmp100 - (K250000000 * tmp97);
             tmp101 = tmp56 - tmp57;
             tmp102 = tmp59 - tmp60;
             tmp103 = (K587785252 * tmp101) - (K951056516 * tmp102);
             tmp108 = (K951056516 * tmp101) + (K587785252 * tmp102);
             c_im(inout[0]) = tmp97 + tmp100;
             tmp107 = tmp105 + tmp104;
             c_im(inout[4 * iostride]) = tmp107 - tmp108;
             c_im(inout[6 * iostride]) = tmp108 + tmp107;
             tmp106 = tmp104 - tmp105;
             c_im(inout[2 * iostride]) = tmp103 + tmp106;
             c_im(inout[8 * iostride]) = tmp106 - tmp103;
        }
     }
}

static const int twiddle_order[] =
{1, 2, 3, 4, 5, 6, 7, 8, 9};
fftw_codelet_desc fftwi_twiddle_10_desc =
{
     "fftwi_twiddle_10",
     (void (*)()) fftwi_twiddle_10,
     10,
     FFTW_BACKWARD,
     FFTW_TWIDDLE,
     231,
     9,
     twiddle_order,
};

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