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fhf_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 20:44:49 EST 1999 */

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

/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-forward 10 */

/*
 * This function contains 168 FP additions, 84 FP multiplications,
 * (or, 126 additions, 42 multiplications, 42 fused multiply/add),
 * 43 stack variables, and 80 memory accesses
 */
static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);
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 fftw_hc2hc_forward_10(fftw_real *A, const fftw_complex *W, int iostride, int m, int dist)
{
     int i;
     fftw_real *X;
     fftw_real *Y;
     X = A;
     Y = A + (10 * iostride);
     {
        fftw_real tmp170;
        fftw_real tmp181;
        fftw_real tmp162;
        fftw_real tmp175;
        fftw_real tmp165;
        fftw_real tmp176;
        fftw_real tmp166;
        fftw_real tmp183;
        fftw_real tmp155;
        fftw_real tmp178;
        fftw_real tmp158;
        fftw_real tmp179;
        fftw_real tmp159;
        fftw_real tmp182;
        fftw_real tmp168;
        fftw_real tmp169;
        ASSERT_ALIGNED_DOUBLE;
        tmp168 = X[0];
        tmp169 = X[5 * iostride];
        tmp170 = tmp168 - tmp169;
        tmp181 = tmp168 + tmp169;
        {
             fftw_real tmp160;
             fftw_real tmp161;
             fftw_real tmp163;
             fftw_real tmp164;
             ASSERT_ALIGNED_DOUBLE;
             tmp160 = X[4 * iostride];
             tmp161 = X[9 * iostride];
             tmp162 = tmp160 - tmp161;
             tmp175 = tmp160 + tmp161;
             tmp163 = X[6 * iostride];
             tmp164 = X[iostride];
             tmp165 = tmp163 - tmp164;
             tmp176 = tmp163 + tmp164;
        }
        tmp166 = tmp162 + tmp165;
        tmp183 = tmp175 + tmp176;
        {
             fftw_real tmp153;
             fftw_real tmp154;
             fftw_real tmp156;
             fftw_real tmp157;
             ASSERT_ALIGNED_DOUBLE;
             tmp153 = X[2 * iostride];
             tmp154 = X[7 * iostride];
             tmp155 = tmp153 - tmp154;
             tmp178 = tmp153 + tmp154;
             tmp156 = X[8 * iostride];
             tmp157 = X[3 * iostride];
             tmp158 = tmp156 - tmp157;
             tmp179 = tmp156 + tmp157;
        }
        tmp159 = tmp155 + tmp158;
        tmp182 = tmp178 + tmp179;
        {
             fftw_real tmp167;
             fftw_real tmp171;
             fftw_real tmp172;
             fftw_real tmp186;
             fftw_real tmp184;
             fftw_real tmp185;
             ASSERT_ALIGNED_DOUBLE;
             tmp167 = K559016994 * (tmp159 - tmp166);
             tmp171 = tmp159 + tmp166;
             tmp172 = tmp170 - (K250000000 * tmp171);
             X[iostride] = tmp167 + tmp172;
             X[3 * iostride] = tmp172 - tmp167;
             X[5 * iostride] = tmp170 + tmp171;
             tmp186 = K559016994 * (tmp182 - tmp183);
             tmp184 = tmp182 + tmp183;
             tmp185 = tmp181 - (K250000000 * tmp184);
             X[2 * iostride] = tmp185 - tmp186;
             X[4 * iostride] = tmp186 + tmp185;
             X[0] = tmp181 + tmp184;
        }
        {
             fftw_real tmp173;
             fftw_real tmp174;
             fftw_real tmp177;
             fftw_real tmp180;
             ASSERT_ALIGNED_DOUBLE;
             tmp173 = tmp155 - tmp158;
             tmp174 = tmp162 - tmp165;
             Y[-iostride] = -((K951056516 * tmp173) + (K587785252 * tmp174));
             Y[-3 * iostride] = (K587785252 * tmp173) - (K951056516 * tmp174);
             tmp177 = tmp175 - tmp176;
             tmp180 = tmp178 - tmp179;
             Y[-2 * iostride] = (K951056516 * tmp177) - (K587785252 * tmp180);
             Y[-4 * iostride] = (K951056516 * tmp180) + (K587785252 * tmp177);
        }
     }
     X = X + dist;
     Y = Y - dist;
     for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 9) {
        fftw_real tmp39;
        fftw_real tmp87;
        fftw_real tmp132;
        fftw_real tmp144;
        fftw_real tmp73;
        fftw_real tmp84;
        fftw_real tmp85;
        fftw_real tmp91;
        fftw_real tmp92;
        fftw_real tmp93;
        fftw_real tmp100;
        fftw_real tmp103;
        fftw_real tmp128;
        fftw_real tmp121;
        fftw_real tmp122;
        fftw_real tmp142;
        fftw_real tmp50;
        fftw_real tmp61;
        fftw_real tmp62;
        fftw_real tmp88;
        fftw_real tmp89;
        fftw_real tmp90;
        fftw_real tmp107;
        fftw_real tmp110;
        fftw_real tmp127;
        fftw_real tmp118;
        fftw_real tmp119;
        fftw_real tmp141;
        ASSERT_ALIGNED_DOUBLE;
        {
             fftw_real tmp33;
             fftw_real tmp131;
             fftw_real tmp38;
             fftw_real tmp130;
             ASSERT_ALIGNED_DOUBLE;
             tmp33 = X[0];
             tmp131 = Y[-9 * iostride];
             {
                fftw_real tmp35;
                fftw_real tmp37;
                fftw_real tmp34;
                fftw_real tmp36;
                ASSERT_ALIGNED_DOUBLE;
                tmp35 = X[5 * iostride];
                tmp37 = Y[-4 * iostride];
                tmp34 = c_re(W[4]);
                tmp36 = c_im(W[4]);
                tmp38 = (tmp34 * tmp35) - (tmp36 * tmp37);
                tmp130 = (tmp36 * tmp35) + (tmp34 * tmp37);
             }
             tmp39 = tmp33 - tmp38;
             tmp87 = tmp33 + tmp38;
             tmp132 = tmp130 + tmp131;
             tmp144 = tmp131 - tmp130;
        }
        {
             fftw_real tmp67;
             fftw_real tmp98;
             fftw_real tmp83;
             fftw_real tmp102;
             fftw_real tmp72;
             fftw_real tmp99;
             fftw_real tmp78;
             fftw_real tmp101;
             ASSERT_ALIGNED_DOUBLE;
             {
                fftw_real tmp64;
                fftw_real tmp66;
                fftw_real tmp63;
                fftw_real tmp65;
                ASSERT_ALIGNED_DOUBLE;
                tmp64 = X[4 * iostride];
                tmp66 = Y[-5 * iostride];
                tmp63 = c_re(W[3]);
                tmp65 = c_im(W[3]);
                tmp67 = (tmp63 * tmp64) - (tmp65 * tmp66);
                tmp98 = (tmp65 * tmp64) + (tmp63 * tmp66);
             }
             {
                fftw_real tmp80;
                fftw_real tmp82;
                fftw_real tmp79;
                fftw_real tmp81;
                ASSERT_ALIGNED_DOUBLE;
                tmp80 = X[iostride];
                tmp82 = Y[-8 * iostride];
                tmp79 = c_re(W[0]);
                tmp81 = c_im(W[0]);
                tmp83 = (tmp79 * tmp80) - (tmp81 * tmp82);
                tmp102 = (tmp81 * tmp80) + (tmp79 * tmp82);
             }
             {
                fftw_real tmp69;
                fftw_real tmp71;
                fftw_real tmp68;
                fftw_real tmp70;
                ASSERT_ALIGNED_DOUBLE;
                tmp69 = X[9 * iostride];
                tmp71 = Y[0];
                tmp68 = c_re(W[8]);
                tmp70 = c_im(W[8]);
                tmp72 = (tmp68 * tmp69) - (tmp70 * tmp71);
                tmp99 = (tmp70 * tmp69) + (tmp68 * tmp71);
             }
             {
                fftw_real tmp75;
                fftw_real tmp77;
                fftw_real tmp74;
                fftw_real tmp76;
                ASSERT_ALIGNED_DOUBLE;
                tmp75 = X[6 * iostride];
                tmp77 = Y[-3 * iostride];
                tmp74 = c_re(W[5]);
                tmp76 = c_im(W[5]);
                tmp78 = (tmp74 * tmp75) - (tmp76 * tmp77);
                tmp101 = (tmp76 * tmp75) + (tmp74 * tmp77);
             }
             tmp73 = tmp67 - tmp72;
             tmp84 = tmp78 - tmp83;
             tmp85 = tmp73 + tmp84;
             tmp91 = tmp67 + tmp72;
             tmp92 = tmp78 + tmp83;
             tmp93 = tmp91 + tmp92;
             tmp100 = tmp98 + tmp99;
             tmp103 = tmp101 + tmp102;
             tmp128 = tmp100 + tmp103;
             tmp121 = tmp98 - tmp99;
             tmp122 = tmp101 - tmp102;
             tmp142 = tmp121 + tmp122;
        }
        {
             fftw_real tmp44;
             fftw_real tmp105;
             fftw_real tmp60;
             fftw_real tmp109;
             fftw_real tmp49;
             fftw_real tmp106;
             fftw_real tmp55;
             fftw_real tmp108;
             ASSERT_ALIGNED_DOUBLE;
             {
                fftw_real tmp41;
                fftw_real tmp43;
                fftw_real tmp40;
                fftw_real tmp42;
                ASSERT_ALIGNED_DOUBLE;
                tmp41 = X[2 * iostride];
                tmp43 = Y[-7 * iostride];
                tmp40 = c_re(W[1]);
                tmp42 = c_im(W[1]);
                tmp44 = (tmp40 * tmp41) - (tmp42 * tmp43);
                tmp105 = (tmp42 * tmp41) + (tmp40 * tmp43);
             }
             {
                fftw_real tmp57;
                fftw_real tmp59;
                fftw_real tmp56;
                fftw_real tmp58;
                ASSERT_ALIGNED_DOUBLE;
                tmp57 = X[3 * iostride];
                tmp59 = Y[-6 * iostride];
                tmp56 = c_re(W[2]);
                tmp58 = c_im(W[2]);
                tmp60 = (tmp56 * tmp57) - (tmp58 * tmp59);
                tmp109 = (tmp58 * tmp57) + (tmp56 * tmp59);
             }
             {
                fftw_real tmp46;
                fftw_real tmp48;
                fftw_real tmp45;
                fftw_real tmp47;
                ASSERT_ALIGNED_DOUBLE;
                tmp46 = X[7 * iostride];
                tmp48 = Y[-2 * iostride];
                tmp45 = c_re(W[6]);
                tmp47 = c_im(W[6]);
                tmp49 = (tmp45 * tmp46) - (tmp47 * tmp48);
                tmp106 = (tmp47 * tmp46) + (tmp45 * tmp48);
             }
             {
                fftw_real tmp52;
                fftw_real tmp54;
                fftw_real tmp51;
                fftw_real tmp53;
                ASSERT_ALIGNED_DOUBLE;
                tmp52 = X[8 * iostride];
                tmp54 = Y[-iostride];
                tmp51 = c_re(W[7]);
                tmp53 = c_im(W[7]);
                tmp55 = (tmp51 * tmp52) - (tmp53 * tmp54);
                tmp108 = (tmp53 * tmp52) + (tmp51 * tmp54);
             }
             tmp50 = tmp44 - tmp49;
             tmp61 = tmp55 - tmp60;
             tmp62 = tmp50 + tmp61;
             tmp88 = tmp44 + tmp49;
             tmp89 = tmp55 + tmp60;
             tmp90 = tmp88 + tmp89;
             tmp107 = tmp105 + tmp106;
             tmp110 = tmp108 + tmp109;
             tmp127 = tmp107 + tmp110;
             tmp118 = tmp105 - tmp106;
             tmp119 = tmp108 - tmp109;
             tmp141 = tmp118 + tmp119;
        }
        {
             fftw_real tmp115;
             fftw_real tmp86;
             fftw_real tmp116;
             fftw_real tmp124;
             fftw_real tmp126;
             fftw_real tmp120;
             fftw_real tmp123;
             fftw_real tmp125;
             fftw_real tmp117;
             ASSERT_ALIGNED_DOUBLE;
             tmp115 = K559016994 * (tmp62 - tmp85);
             tmp86 = tmp62 + tmp85;
             tmp116 = tmp39 - (K250000000 * tmp86);
             tmp120 = tmp118 - tmp119;
             tmp123 = tmp121 - tmp122;
             tmp124 = (K951056516 * tmp120) + (K587785252 * tmp123);
             tmp126 = (K951056516 * tmp123) - (K587785252 * tmp120);
             Y[-5 * iostride] = tmp39 + tmp86;
             tmp125 = tmp116 - tmp115;
             Y[-7 * iostride] = tmp125 - tmp126;
             X[3 * iostride] = tmp125 + tmp126;
             tmp117 = tmp115 + tmp116;
             Y[-9 * iostride] = tmp117 - tmp124;
             X[iostride] = tmp117 + tmp124;
        }
        {
             fftw_real tmp148;
             fftw_real tmp143;
             fftw_real tmp149;
             fftw_real tmp147;
             fftw_real tmp151;
             fftw_real tmp145;
             fftw_real tmp146;
             fftw_real tmp152;
             fftw_real tmp150;
             ASSERT_ALIGNED_DOUBLE;
             tmp148 = K559016994 * (tmp141 - tmp142);
             tmp143 = tmp141 + tmp142;
             tmp149 = tmp144 - (K250000000 * tmp143);
             tmp145 = tmp50 - tmp61;
             tmp146 = tmp73 - tmp84;
             tmp147 = (K951056516 * tmp145) + (K587785252 * tmp146);
             tmp151 = (K587785252 * tmp145) - (K951056516 * tmp146);
             X[5 * iostride] = -(tmp143 + tmp144);
             tmp152 = tmp149 - tmp148;
             X[7 * iostride] = tmp151 - tmp152;
             Y[-3 * iostride] = tmp151 + tmp152;
             tmp150 = tmp148 + tmp149;
             X[9 * iostride] = -(tmp147 + tmp150);
             Y[-iostride] = tmp150 - tmp147;
        }
        {
             fftw_real tmp96;
             fftw_real tmp94;
             fftw_real tmp95;
             fftw_real tmp112;
             fftw_real tmp114;
             fftw_real tmp104;
             fftw_real tmp111;
             fftw_real tmp113;
             fftw_real tmp97;
             ASSERT_ALIGNED_DOUBLE;
             tmp96 = K559016994 * (tmp90 - tmp93);
             tmp94 = tmp90 + tmp93;
             tmp95 = tmp87 - (K250000000 * tmp94);
             tmp104 = tmp100 - tmp103;
             tmp111 = tmp107 - tmp110;
             tmp112 = (K951056516 * tmp104) - (K587785252 * tmp111);
             tmp114 = (K951056516 * tmp111) + (K587785252 * tmp104);
             X[0] = tmp87 + tmp94;
             tmp113 = tmp96 + tmp95;
             X[4 * iostride] = tmp113 - tmp114;
             Y[-6 * iostride] = tmp113 + tmp114;
             tmp97 = tmp95 - tmp96;
             X[2 * iostride] = tmp97 - tmp112;
             Y[-8 * iostride] = tmp97 + tmp112;
        }
        {
             fftw_real tmp134;
             fftw_real tmp129;
             fftw_real tmp133;
             fftw_real tmp138;
             fftw_real tmp140;
             fftw_real tmp136;
             fftw_real tmp137;
             fftw_real tmp139;
             fftw_real tmp135;
             ASSERT_ALIGNED_DOUBLE;
             tmp134 = K559016994 * (tmp127 - tmp128);
             tmp129 = tmp127 + tmp128;
             tmp133 = tmp132 - (K250000000 * tmp129);
             tmp136 = tmp91 - tmp92;
             tmp137 = tmp88 - tmp89;
             tmp138 = (K951056516 * tmp136) - (K587785252 * tmp137);
             tmp140 = (K951056516 * tmp137) + (K587785252 * tmp136);
             Y[0] = tmp129 + tmp132;
             tmp139 = tmp134 + tmp133;
             X[6 * iostride] = -(tmp139 - tmp140);
             Y[-4 * iostride] = tmp140 + tmp139;
             tmp135 = tmp133 - tmp134;
             X[8 * iostride] = -(tmp135 - tmp138);
             Y[-2 * iostride] = tmp138 + tmp135;
        }
     }
     if (i == m) {
        fftw_real tmp1;
        fftw_real tmp24;
        fftw_real tmp8;
        fftw_real tmp10;
        fftw_real tmp25;
        fftw_real tmp26;
        fftw_real tmp14;
        fftw_real tmp28;
        fftw_real tmp23;
        fftw_real tmp17;
        ASSERT_ALIGNED_DOUBLE;
        tmp1 = X[0];
        tmp24 = X[5 * iostride];
        {
             fftw_real tmp2;
             fftw_real tmp3;
             fftw_real tmp4;
             fftw_real tmp5;
             fftw_real tmp6;
             fftw_real tmp7;
             ASSERT_ALIGNED_DOUBLE;
             tmp2 = X[4 * iostride];
             tmp3 = X[6 * iostride];
             tmp4 = tmp2 - tmp3;
             tmp5 = X[8 * iostride];
             tmp6 = X[2 * iostride];
             tmp7 = tmp5 - tmp6;
             tmp8 = tmp4 + tmp7;
             tmp10 = K559016994 * (tmp4 - tmp7);
             tmp25 = tmp2 + tmp3;
             tmp26 = tmp5 + tmp6;
        }
        {
             fftw_real tmp12;
             fftw_real tmp13;
             fftw_real tmp22;
             fftw_real tmp15;
             fftw_real tmp16;
             fftw_real tmp21;
             ASSERT_ALIGNED_DOUBLE;
             tmp12 = X[iostride];
             tmp13 = X[9 * iostride];
             tmp22 = tmp12 + tmp13;
             tmp15 = X[3 * iostride];
             tmp16 = X[7 * iostride];
             tmp21 = tmp15 + tmp16;
             tmp14 = tmp12 - tmp13;
             tmp28 = K559016994 * (tmp22 + tmp21);
             tmp23 = tmp21 - tmp22;
             tmp17 = tmp15 - tmp16;
        }
        X[2 * iostride] = tmp1 + tmp8;
        {
             fftw_real tmp18;
             fftw_real tmp20;
             fftw_real tmp11;
             fftw_real tmp19;
             fftw_real tmp9;
             ASSERT_ALIGNED_DOUBLE;
             tmp18 = (K587785252 * tmp14) - (K951056516 * tmp17);
             tmp20 = (K951056516 * tmp14) + (K587785252 * tmp17);
             tmp9 = tmp1 - (K250000000 * tmp8);
             tmp11 = tmp9 - tmp10;
             tmp19 = tmp10 + tmp9;
             X[3 * iostride] = tmp11 - tmp18;
             X[iostride] = tmp11 + tmp18;
             X[4 * iostride] = tmp19 - tmp20;
             X[0] = tmp19 + tmp20;
        }
        Y[-2 * iostride] = tmp23 - tmp24;
        {
             fftw_real tmp27;
             fftw_real tmp32;
             fftw_real tmp30;
             fftw_real tmp31;
             fftw_real tmp29;
             ASSERT_ALIGNED_DOUBLE;
             tmp27 = (K951056516 * tmp25) + (K587785252 * tmp26);
             tmp32 = (K951056516 * tmp26) - (K587785252 * tmp25);
             tmp29 = (K250000000 * tmp23) + tmp24;
             tmp30 = tmp28 + tmp29;
             tmp31 = tmp29 - tmp28;
             Y[0] = -(tmp27 + tmp30);
             Y[-4 * iostride] = tmp27 - tmp30;
             Y[-iostride] = tmp31 - tmp32;
             Y[-3 * iostride] = tmp32 + tmp31;
        }
     }
}

static const int twiddle_order[] =
{1, 2, 3, 4, 5, 6, 7, 8, 9};
fftw_codelet_desc fftw_hc2hc_forward_10_desc =
{
     "fftw_hc2hc_forward_10",
     (void (*)()) fftw_hc2hc_forward_10,
     10,
     FFTW_FORWARD,
     FFTW_HC2HC,
     223,
     9,
     twiddle_order,
};

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