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/*
* 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 Tue May 18 13:56:06 EDT 1999 */
#include <fftw-int.h>
#include <fftw.h>
/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-backward 10 */
/*
* This function contains 168 FP additions, 90 FP multiplications,
* (or, 124 additions, 46 multiplications, 44 fused multiply/add),
* 37 stack variables, and 80 memory accesses
*/
static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000);
static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);
static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590);
static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
static const fftw_real K1_902113032 = FFTW_KONST(+1.902113032590307144232878666758764286811397268);
static const fftw_real K1_175570504 = FFTW_KONST(+1.175570504584946258337411909278145537195304875);
static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
static const fftw_real K1_118033988 = FFTW_KONST(+1.118033988749894848204586834365638117720309180);
/*
* Generator Id's :
* $Id: fhb_10.c,v 1.2 2003-03-24 11:14:56 pj Exp $
* $Id: fhb_10.c,v 1.2 2003-03-24 11:14:56 pj Exp $
* $Id: fhb_10.c,v 1.2 2003-03-24 11:14:56 pj Exp $
*/
void fftw_hc2hc_backward_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 tmp155;
fftw_real tmp163;
fftw_real tmp175;
fftw_real tmp183;
fftw_real tmp172;
fftw_real tmp182;
fftw_real tmp162;
fftw_real tmp180;
fftw_real tmp166;
fftw_real tmp167;
fftw_real tmp170;
fftw_real tmp171;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp153;
fftw_real tmp154;
fftw_real tmp173;
fftw_real tmp174;
ASSERT_ALIGNED_DOUBLE();
tmp153 = X[0];
tmp154 = X[5 * iostride];
tmp155 = tmp153 - tmp154;
tmp163 = tmp153 + tmp154;
tmp173 = Y[-4 * iostride];
tmp174 = Y[-iostride];
tmp175 = tmp173 - tmp174;
tmp183 = tmp173 + tmp174;
}
tmp170 = Y[-2 * iostride];
tmp171 = Y[-3 * iostride];
tmp172 = tmp170 - tmp171;
tmp182 = tmp170 + tmp171;
{
fftw_real tmp158;
fftw_real tmp164;
fftw_real tmp161;
fftw_real tmp165;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp156;
fftw_real tmp157;
fftw_real tmp159;
fftw_real tmp160;
ASSERT_ALIGNED_DOUBLE();
tmp156 = X[2 * iostride];
tmp157 = X[3 * iostride];
tmp158 = tmp156 - tmp157;
tmp164 = tmp156 + tmp157;
tmp159 = X[4 * iostride];
tmp160 = X[iostride];
tmp161 = tmp159 - tmp160;
tmp165 = tmp159 + tmp160;
}
tmp162 = tmp158 + tmp161;
tmp180 = K1_118033988 * (tmp158 - tmp161);
tmp166 = tmp164 + tmp165;
tmp167 = K1_118033988 * (tmp164 - tmp165);
}
X[5 * iostride] = tmp155 + (K2_000000000 * tmp162);
{
fftw_real tmp184;
fftw_real tmp186;
fftw_real tmp181;
fftw_real tmp185;
fftw_real tmp179;
ASSERT_ALIGNED_DOUBLE();
tmp184 = (K1_175570504 * tmp182) - (K1_902113032 * tmp183);
tmp186 = (K1_902113032 * tmp182) + (K1_175570504 * tmp183);
tmp179 = tmp155 - (K500000000 * tmp162);
tmp181 = tmp179 - tmp180;
tmp185 = tmp179 + tmp180;
X[7 * iostride] = tmp181 - tmp184;
X[3 * iostride] = tmp181 + tmp184;
X[iostride] = tmp185 - tmp186;
X[9 * iostride] = tmp185 + tmp186;
}
X[0] = tmp163 + (K2_000000000 * tmp166);
{
fftw_real tmp176;
fftw_real tmp178;
fftw_real tmp169;
fftw_real tmp177;
fftw_real tmp168;
ASSERT_ALIGNED_DOUBLE();
tmp176 = (K1_902113032 * tmp172) + (K1_175570504 * tmp175);
tmp178 = (K1_902113032 * tmp175) - (K1_175570504 * tmp172);
tmp168 = tmp163 - (K500000000 * tmp166);
tmp169 = tmp167 + tmp168;
tmp177 = tmp168 - tmp167;
X[4 * iostride] = tmp169 + tmp176;
X[6 * iostride] = tmp169 - tmp176;
X[8 * iostride] = tmp177 - tmp178;
X[2 * iostride] = tmp177 + tmp178;
}
}
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 tmp35;
fftw_real tmp102;
fftw_real tmp77;
fftw_real tmp112;
fftw_real tmp72;
fftw_real tmp73;
fftw_real tmp50;
fftw_real tmp53;
fftw_real tmp123;
fftw_real tmp122;
fftw_real tmp109;
fftw_real tmp131;
fftw_real tmp61;
fftw_real tmp68;
fftw_real tmp80;
fftw_real tmp82;
fftw_real tmp134;
fftw_real tmp133;
fftw_real tmp119;
fftw_real tmp126;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp33;
fftw_real tmp34;
fftw_real tmp75;
fftw_real tmp76;
ASSERT_ALIGNED_DOUBLE();
tmp33 = X[0];
tmp34 = Y[-5 * iostride];
tmp35 = tmp33 + tmp34;
tmp102 = tmp33 - tmp34;
tmp75 = Y[0];
tmp76 = X[5 * iostride];
tmp77 = tmp75 - tmp76;
tmp112 = tmp75 + tmp76;
}
{
fftw_real tmp38;
fftw_real tmp103;
fftw_real tmp48;
fftw_real tmp107;
fftw_real tmp41;
fftw_real tmp104;
fftw_real tmp45;
fftw_real tmp106;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp36;
fftw_real tmp37;
fftw_real tmp46;
fftw_real tmp47;
ASSERT_ALIGNED_DOUBLE();
tmp36 = X[2 * iostride];
tmp37 = Y[-7 * iostride];
tmp38 = tmp36 + tmp37;
tmp103 = tmp36 - tmp37;
tmp46 = Y[-6 * iostride];
tmp47 = X[iostride];
tmp48 = tmp46 + tmp47;
tmp107 = tmp46 - tmp47;
}
{
fftw_real tmp39;
fftw_real tmp40;
fftw_real tmp43;
fftw_real tmp44;
ASSERT_ALIGNED_DOUBLE();
tmp39 = Y[-8 * iostride];
tmp40 = X[3 * iostride];
tmp41 = tmp39 + tmp40;
tmp104 = tmp39 - tmp40;
tmp43 = X[4 * iostride];
tmp44 = Y[-9 * iostride];
tmp45 = tmp43 + tmp44;
tmp106 = tmp43 - tmp44;
}
{
fftw_real tmp42;
fftw_real tmp49;
fftw_real tmp105;
fftw_real tmp108;
ASSERT_ALIGNED_DOUBLE();
tmp72 = tmp38 - tmp41;
tmp73 = tmp45 - tmp48;
tmp42 = tmp38 + tmp41;
tmp49 = tmp45 + tmp48;
tmp50 = tmp42 + tmp49;
tmp53 = K559016994 * (tmp42 - tmp49);
tmp123 = tmp106 - tmp107;
tmp122 = tmp103 - tmp104;
tmp105 = tmp103 + tmp104;
tmp108 = tmp106 + tmp107;
tmp109 = tmp105 + tmp108;
tmp131 = K559016994 * (tmp105 - tmp108);
}
}
{
fftw_real tmp57;
fftw_real tmp113;
fftw_real tmp67;
fftw_real tmp117;
fftw_real tmp60;
fftw_real tmp114;
fftw_real tmp64;
fftw_real tmp116;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp55;
fftw_real tmp56;
fftw_real tmp65;
fftw_real tmp66;
ASSERT_ALIGNED_DOUBLE();
tmp55 = Y[-2 * iostride];
tmp56 = X[7 * iostride];
tmp57 = tmp55 - tmp56;
tmp113 = tmp55 + tmp56;
tmp65 = Y[-iostride];
tmp66 = X[6 * iostride];
tmp67 = tmp65 - tmp66;
tmp117 = tmp65 + tmp66;
}
{
fftw_real tmp58;
fftw_real tmp59;
fftw_real tmp62;
fftw_real tmp63;
ASSERT_ALIGNED_DOUBLE();
tmp58 = Y[-3 * iostride];
tmp59 = X[8 * iostride];
tmp60 = tmp58 - tmp59;
tmp114 = tmp58 + tmp59;
tmp62 = Y[-4 * iostride];
tmp63 = X[9 * iostride];
tmp64 = tmp62 - tmp63;
tmp116 = tmp62 + tmp63;
}
{
fftw_real tmp78;
fftw_real tmp79;
fftw_real tmp115;
fftw_real tmp118;
ASSERT_ALIGNED_DOUBLE();
tmp61 = tmp57 - tmp60;
tmp68 = tmp64 - tmp67;
tmp78 = tmp57 + tmp60;
tmp79 = tmp64 + tmp67;
tmp80 = tmp78 + tmp79;
tmp82 = K559016994 * (tmp78 - tmp79);
tmp134 = tmp116 + tmp117;
tmp133 = tmp113 + tmp114;
tmp115 = tmp113 - tmp114;
tmp118 = tmp116 - tmp117;
tmp119 = tmp115 + tmp118;
tmp126 = K559016994 * (tmp115 - tmp118);
}
}
X[0] = tmp35 + tmp50;
{
fftw_real tmp69;
fftw_real tmp91;
fftw_real tmp54;
fftw_real tmp90;
fftw_real tmp95;
fftw_real tmp74;
fftw_real tmp83;
fftw_real tmp94;
fftw_real tmp52;
fftw_real tmp81;
ASSERT_ALIGNED_DOUBLE();
tmp69 = (K587785252 * tmp61) - (K951056516 * tmp68);
tmp91 = (K951056516 * tmp61) + (K587785252 * tmp68);
tmp52 = tmp35 - (K250000000 * tmp50);
tmp54 = tmp52 - tmp53;
tmp90 = tmp53 + tmp52;
tmp95 = (K951056516 * tmp72) + (K587785252 * tmp73);
tmp74 = (K587785252 * tmp72) - (K951056516 * tmp73);
tmp81 = tmp77 - (K250000000 * tmp80);
tmp83 = tmp81 - tmp82;
tmp94 = tmp82 + tmp81;
{
fftw_real tmp70;
fftw_real tmp84;
fftw_real tmp51;
fftw_real tmp71;
ASSERT_ALIGNED_DOUBLE();
tmp70 = tmp54 - tmp69;
tmp84 = tmp74 + tmp83;
tmp51 = c_re(W[1]);
tmp71 = c_im(W[1]);
X[2 * iostride] = (tmp51 * tmp70) + (tmp71 * tmp84);
Y[-7 * iostride] = (tmp51 * tmp84) - (tmp71 * tmp70);
}
{
fftw_real tmp86;
fftw_real tmp88;
fftw_real tmp85;
fftw_real tmp87;
ASSERT_ALIGNED_DOUBLE();
tmp86 = tmp54 + tmp69;
tmp88 = tmp83 - tmp74;
tmp85 = c_re(W[7]);
tmp87 = c_im(W[7]);
X[8 * iostride] = (tmp85 * tmp86) + (tmp87 * tmp88);
Y[-iostride] = (tmp85 * tmp88) - (tmp87 * tmp86);
}
{
fftw_real tmp92;
fftw_real tmp96;
fftw_real tmp89;
fftw_real tmp93;
ASSERT_ALIGNED_DOUBLE();
tmp92 = tmp90 + tmp91;
tmp96 = tmp94 - tmp95;
tmp89 = c_re(W[3]);
tmp93 = c_im(W[3]);
X[4 * iostride] = (tmp89 * tmp92) + (tmp93 * tmp96);
Y[-5 * iostride] = (tmp89 * tmp96) - (tmp93 * tmp92);
}
{
fftw_real tmp98;
fftw_real tmp100;
fftw_real tmp97;
fftw_real tmp99;
ASSERT_ALIGNED_DOUBLE();
tmp98 = tmp90 - tmp91;
tmp100 = tmp95 + tmp94;
tmp97 = c_re(W[5]);
tmp99 = c_im(W[5]);
X[6 * iostride] = (tmp97 * tmp98) + (tmp99 * tmp100);
Y[-3 * iostride] = (tmp97 * tmp100) - (tmp99 * tmp98);
}
}
Y[-9 * iostride] = tmp77 + tmp80;
{
fftw_real tmp110;
fftw_real tmp120;
fftw_real tmp101;
fftw_real tmp111;
ASSERT_ALIGNED_DOUBLE();
tmp110 = tmp102 + tmp109;
tmp120 = tmp112 + tmp119;
tmp101 = c_re(W[4]);
tmp111 = c_im(W[4]);
X[5 * iostride] = (tmp101 * tmp110) + (tmp111 * tmp120);
Y[-4 * iostride] = (tmp101 * tmp120) - (tmp111 * tmp110);
}
{
fftw_real tmp124;
fftw_real tmp142;
fftw_real tmp127;
fftw_real tmp143;
fftw_real tmp147;
fftw_real tmp135;
fftw_real tmp132;
fftw_real tmp146;
fftw_real tmp125;
fftw_real tmp130;
ASSERT_ALIGNED_DOUBLE();
tmp124 = (K587785252 * tmp122) - (K951056516 * tmp123);
tmp142 = (K951056516 * tmp122) + (K587785252 * tmp123);
tmp125 = tmp112 - (K250000000 * tmp119);
tmp127 = tmp125 - tmp126;
tmp143 = tmp126 + tmp125;
tmp147 = (K951056516 * tmp133) + (K587785252 * tmp134);
tmp135 = (K587785252 * tmp133) - (K951056516 * tmp134);
tmp130 = tmp102 - (K250000000 * tmp109);
tmp132 = tmp130 - tmp131;
tmp146 = tmp131 + tmp130;
{
fftw_real tmp128;
fftw_real tmp136;
fftw_real tmp121;
fftw_real tmp129;
ASSERT_ALIGNED_DOUBLE();
tmp128 = tmp124 + tmp127;
tmp136 = tmp132 - tmp135;
tmp121 = c_re(W[6]);
tmp129 = c_im(W[6]);
Y[-2 * iostride] = (tmp121 * tmp128) - (tmp129 * tmp136);
X[7 * iostride] = (tmp129 * tmp128) + (tmp121 * tmp136);
}
{
fftw_real tmp138;
fftw_real tmp140;
fftw_real tmp137;
fftw_real tmp139;
ASSERT_ALIGNED_DOUBLE();
tmp138 = tmp127 - tmp124;
tmp140 = tmp132 + tmp135;
tmp137 = c_re(W[2]);
tmp139 = c_im(W[2]);
Y[-6 * iostride] = (tmp137 * tmp138) - (tmp139 * tmp140);
X[3 * iostride] = (tmp139 * tmp138) + (tmp137 * tmp140);
}
{
fftw_real tmp144;
fftw_real tmp148;
fftw_real tmp141;
fftw_real tmp145;
ASSERT_ALIGNED_DOUBLE();
tmp144 = tmp142 + tmp143;
tmp148 = tmp146 - tmp147;
tmp141 = c_re(W[0]);
tmp145 = c_im(W[0]);
Y[-8 * iostride] = (tmp141 * tmp144) - (tmp145 * tmp148);
X[iostride] = (tmp145 * tmp144) + (tmp141 * tmp148);
}
{
fftw_real tmp150;
fftw_real tmp152;
fftw_real tmp149;
fftw_real tmp151;
ASSERT_ALIGNED_DOUBLE();
tmp150 = tmp143 - tmp142;
tmp152 = tmp146 + tmp147;
tmp149 = c_re(W[8]);
tmp151 = c_im(W[8]);
Y[0] = (tmp149 * tmp150) - (tmp151 * tmp152);
X[9 * iostride] = (tmp151 * tmp150) + (tmp149 * tmp152);
}
}
}
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[2 * iostride];
tmp24 = Y[-2 * 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[0];
tmp4 = tmp2 + tmp3;
tmp5 = X[3 * iostride];
tmp6 = X[iostride];
tmp7 = tmp5 + tmp6;
tmp8 = tmp4 + tmp7;
tmp10 = K1_118033988 * (tmp7 - tmp4);
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 = Y[-4 * iostride];
tmp13 = Y[0];
tmp22 = tmp12 + tmp13;
tmp15 = Y[-iostride];
tmp16 = Y[-3 * iostride];
tmp21 = tmp16 + tmp15;
tmp14 = tmp12 - tmp13;
tmp28 = K1_118033988 * (tmp21 + tmp22);
tmp23 = tmp21 - tmp22;
tmp17 = tmp15 - tmp16;
}
X[0] = K2_000000000 * (tmp1 + tmp8);
{
fftw_real tmp18;
fftw_real tmp19;
fftw_real tmp11;
fftw_real tmp20;
fftw_real tmp9;
ASSERT_ALIGNED_DOUBLE();
tmp18 = (K1_175570504 * tmp14) - (K1_902113032 * tmp17);
tmp19 = (K1_175570504 * tmp17) + (K1_902113032 * tmp14);
tmp9 = (K500000000 * tmp8) - (K2_000000000 * tmp1);
tmp11 = tmp9 - tmp10;
tmp20 = tmp9 + tmp10;
X[2 * iostride] = tmp11 + tmp18;
X[8 * iostride] = tmp18 - tmp11;
X[4 * iostride] = tmp19 - tmp20;
X[6 * iostride] = tmp20 + tmp19;
}
X[5 * iostride] = K2_000000000 * (tmp23 - tmp24);
{
fftw_real tmp27;
fftw_real tmp31;
fftw_real tmp30;
fftw_real tmp32;
fftw_real tmp29;
ASSERT_ALIGNED_DOUBLE();
tmp27 = (K1_902113032 * tmp25) + (K1_175570504 * tmp26);
tmp31 = (K1_902113032 * tmp26) - (K1_175570504 * tmp25);
tmp29 = (K500000000 * tmp23) + (K2_000000000 * tmp24);
tmp30 = tmp28 + tmp29;
tmp32 = tmp29 - tmp28;
X[iostride] = -(tmp27 + tmp30);
X[9 * iostride] = tmp27 - tmp30;
X[3 * iostride] = tmp31 + tmp32;
X[7 * iostride] = tmp32 - tmp31;
}
}
}
static const int twiddle_order[] =
{1, 2, 3, 4, 5, 6, 7, 8, 9};
fftw_codelet_desc fftw_hc2hc_backward_10_desc =
{
"fftw_hc2hc_backward_10",
(void (*)()) fftw_hc2hc_backward_10,
10,
FFTW_BACKWARD,
FFTW_HC2HC,
234,
9,
twiddle_order,
};