Blame |
Last modification |
View Log
| RSS feed
/*
* 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 13:55:12 EDT 1999 */
#include <ports/fftw-int.h>
#include <ports/fftw.h>
/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 32 */
/*
* This function contains 156 FP additions, 54 FP multiplications,
* (or, 140 additions, 38 multiplications, 16 fused multiply/add),
* 44 stack variables, and 64 memory accesses
*/
static const fftw_real K765366864 = FFTW_KONST(+0.765366864730179543456919968060797733522689125);
static const fftw_real K1_847759065 = FFTW_KONST(+1.847759065022573512256366378793576573644833252);
static const fftw_real K555570233 = FFTW_KONST(+0.555570233019602224742830813948532874374937191);
static const fftw_real K831469612 = FFTW_KONST(+0.831469612302545237078788377617905756738560812);
static const fftw_real K195090322 = FFTW_KONST(+0.195090322016128267848284868477022240927691618);
static const fftw_real K980785280 = FFTW_KONST(+0.980785280403230449126182236134239036973933731);
static const fftw_real K1_414213562 = FFTW_KONST(+1.414213562373095048801688724209698078569671875);
static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
/*
* Generator Id's :
* $Id: fcr_32.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
* $Id: fcr_32.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
* $Id: fcr_32.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
*/
void fftw_hc2real_32(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)
{
fftw_real tmp9;
fftw_real tmp134;
fftw_real tmp96;
fftw_real tmp37;
fftw_real tmp32;
fftw_real tmp58;
fftw_real tmp56;
fftw_real tmp80;
fftw_real tmp145;
fftw_real tmp149;
fftw_real tmp119;
fftw_real tmp123;
fftw_real tmp6;
fftw_real tmp34;
fftw_real tmp93;
fftw_real tmp133;
fftw_real tmp17;
fftw_real tmp39;
fftw_real tmp46;
fftw_real tmp83;
fftw_real tmp100;
fftw_real tmp136;
fftw_real tmp103;
fftw_real tmp137;
fftw_real tmp25;
fftw_real tmp49;
fftw_real tmp65;
fftw_real tmp79;
fftw_real tmp142;
fftw_real tmp148;
fftw_real tmp112;
fftw_real tmp122;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp7;
fftw_real tmp8;
fftw_real tmp94;
fftw_real tmp35;
fftw_real tmp36;
fftw_real tmp95;
ASSERT_ALIGNED_DOUBLE();
tmp7 = real_input[4 * real_istride];
tmp8 = real_input[12 * real_istride];
tmp94 = tmp7 - tmp8;
tmp35 = imag_input[4 * imag_istride];
tmp36 = imag_input[12 * imag_istride];
tmp95 = tmp36 + tmp35;
tmp9 = K2_000000000 * (tmp7 + tmp8);
tmp134 = K1_414213562 * (tmp94 + tmp95);
tmp96 = K1_414213562 * (tmp94 - tmp95);
tmp37 = K2_000000000 * (tmp35 - tmp36);
}
{
fftw_real tmp28;
fftw_real tmp113;
fftw_real tmp55;
fftw_real tmp117;
fftw_real tmp31;
fftw_real tmp116;
fftw_real tmp52;
fftw_real tmp114;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp26;
fftw_real tmp27;
fftw_real tmp53;
fftw_real tmp54;
ASSERT_ALIGNED_DOUBLE();
tmp26 = real_input[3 * real_istride];
tmp27 = real_input[13 * real_istride];
tmp28 = tmp26 + tmp27;
tmp113 = tmp26 - tmp27;
tmp53 = imag_input[3 * imag_istride];
tmp54 = imag_input[13 * imag_istride];
tmp55 = tmp53 - tmp54;
tmp117 = tmp53 + tmp54;
}
{
fftw_real tmp29;
fftw_real tmp30;
fftw_real tmp50;
fftw_real tmp51;
ASSERT_ALIGNED_DOUBLE();
tmp29 = real_input[5 * real_istride];
tmp30 = real_input[11 * real_istride];
tmp31 = tmp29 + tmp30;
tmp116 = tmp30 - tmp29;
tmp50 = imag_input[5 * imag_istride];
tmp51 = imag_input[11 * imag_istride];
tmp52 = tmp50 - tmp51;
tmp114 = tmp51 + tmp50;
}
tmp32 = tmp28 + tmp31;
tmp58 = tmp31 - tmp28;
tmp56 = tmp52 + tmp55;
tmp80 = tmp55 - tmp52;
{
fftw_real tmp143;
fftw_real tmp144;
fftw_real tmp115;
fftw_real tmp118;
ASSERT_ALIGNED_DOUBLE();
tmp143 = tmp113 + tmp114;
tmp144 = tmp117 - tmp116;
tmp145 = (K980785280 * tmp143) - (K195090322 * tmp144);
tmp149 = (K195090322 * tmp143) + (K980785280 * tmp144);
tmp115 = tmp113 - tmp114;
tmp118 = tmp116 + tmp117;
tmp119 = (K831469612 * tmp115) - (K555570233 * tmp118);
tmp123 = (K555570233 * tmp115) + (K831469612 * tmp118);
}
}
{
fftw_real tmp5;
fftw_real tmp92;
fftw_real tmp3;
fftw_real tmp90;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp4;
fftw_real tmp91;
fftw_real tmp1;
fftw_real tmp2;
ASSERT_ALIGNED_DOUBLE();
tmp4 = real_input[8 * real_istride];
tmp5 = K2_000000000 * tmp4;
tmp91 = imag_input[8 * imag_istride];
tmp92 = K2_000000000 * tmp91;
tmp1 = real_input[0];
tmp2 = real_input[16 * real_istride];
tmp3 = tmp1 + tmp2;
tmp90 = tmp1 - tmp2;
}
tmp6 = tmp3 + tmp5;
tmp34 = tmp3 - tmp5;
tmp93 = tmp90 - tmp92;
tmp133 = tmp90 + tmp92;
}
{
fftw_real tmp13;
fftw_real tmp98;
fftw_real tmp45;
fftw_real tmp102;
fftw_real tmp16;
fftw_real tmp101;
fftw_real tmp42;
fftw_real tmp99;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp11;
fftw_real tmp12;
fftw_real tmp43;
fftw_real tmp44;
ASSERT_ALIGNED_DOUBLE();
tmp11 = real_input[2 * real_istride];
tmp12 = real_input[14 * real_istride];
tmp13 = tmp11 + tmp12;
tmp98 = tmp11 - tmp12;
tmp43 = imag_input[2 * imag_istride];
tmp44 = imag_input[14 * imag_istride];
tmp45 = tmp43 - tmp44;
tmp102 = tmp43 + tmp44;
}
{
fftw_real tmp14;
fftw_real tmp15;
fftw_real tmp40;
fftw_real tmp41;
ASSERT_ALIGNED_DOUBLE();
tmp14 = real_input[6 * real_istride];
tmp15 = real_input[10 * real_istride];
tmp16 = tmp14 + tmp15;
tmp101 = tmp15 - tmp14;
tmp40 = imag_input[6 * imag_istride];
tmp41 = imag_input[10 * imag_istride];
tmp42 = tmp40 - tmp41;
tmp99 = tmp41 + tmp40;
}
tmp17 = K2_000000000 * (tmp13 + tmp16);
tmp39 = tmp13 - tmp16;
tmp46 = tmp42 + tmp45;
tmp83 = K2_000000000 * (tmp45 - tmp42);
tmp100 = tmp98 - tmp99;
tmp136 = tmp98 + tmp99;
tmp103 = tmp101 + tmp102;
tmp137 = tmp102 - tmp101;
}
{
fftw_real tmp21;
fftw_real tmp106;
fftw_real tmp64;
fftw_real tmp110;
fftw_real tmp24;
fftw_real tmp109;
fftw_real tmp61;
fftw_real tmp107;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp19;
fftw_real tmp20;
fftw_real tmp62;
fftw_real tmp63;
ASSERT_ALIGNED_DOUBLE();
tmp19 = real_input[real_istride];
tmp20 = real_input[15 * real_istride];
tmp21 = tmp19 + tmp20;
tmp106 = tmp19 - tmp20;
tmp62 = imag_input[imag_istride];
tmp63 = imag_input[15 * imag_istride];
tmp64 = tmp62 - tmp63;
tmp110 = tmp62 + tmp63;
}
{
fftw_real tmp22;
fftw_real tmp23;
fftw_real tmp59;
fftw_real tmp60;
ASSERT_ALIGNED_DOUBLE();
tmp22 = real_input[7 * real_istride];
tmp23 = real_input[9 * real_istride];
tmp24 = tmp22 + tmp23;
tmp109 = tmp23 - tmp22;
tmp59 = imag_input[7 * imag_istride];
tmp60 = imag_input[9 * imag_istride];
tmp61 = tmp59 - tmp60;
tmp107 = tmp60 + tmp59;
}
tmp25 = tmp21 + tmp24;
tmp49 = tmp21 - tmp24;
tmp65 = tmp61 + tmp64;
tmp79 = tmp64 - tmp61;
{
fftw_real tmp140;
fftw_real tmp141;
fftw_real tmp108;
fftw_real tmp111;
ASSERT_ALIGNED_DOUBLE();
tmp140 = tmp106 + tmp107;
tmp141 = tmp110 - tmp109;
tmp142 = (K555570233 * tmp140) + (K831469612 * tmp141);
tmp148 = (K831469612 * tmp140) - (K555570233 * tmp141);
tmp108 = tmp106 - tmp107;
tmp111 = tmp109 + tmp110;
tmp112 = (K980785280 * tmp108) - (K195090322 * tmp111);
tmp122 = (K195090322 * tmp108) + (K980785280 * tmp111);
}
}
{
fftw_real tmp33;
fftw_real tmp81;
fftw_real tmp18;
fftw_real tmp78;
fftw_real tmp10;
ASSERT_ALIGNED_DOUBLE();
tmp33 = K2_000000000 * (tmp25 + tmp32);
tmp81 = K2_000000000 * (tmp79 - tmp80);
tmp10 = tmp6 + tmp9;
tmp18 = tmp10 + tmp17;
tmp78 = tmp10 - tmp17;
output[16 * ostride] = tmp18 - tmp33;
output[0] = tmp18 + tmp33;
output[8 * ostride] = tmp78 - tmp81;
output[24 * ostride] = tmp78 + tmp81;
}
{
fftw_real tmp84;
fftw_real tmp88;
fftw_real tmp87;
fftw_real tmp89;
fftw_real tmp82;
fftw_real tmp85;
fftw_real tmp86;
ASSERT_ALIGNED_DOUBLE();
tmp82 = tmp6 - tmp9;
tmp84 = tmp82 - tmp83;
tmp88 = tmp82 + tmp83;
tmp85 = tmp25 - tmp32;
tmp86 = tmp79 + tmp80;
tmp87 = K1_414213562 * (tmp85 - tmp86);
tmp89 = K1_414213562 * (tmp85 + tmp86);
output[20 * ostride] = tmp84 - tmp87;
output[4 * ostride] = tmp84 + tmp87;
output[12 * ostride] = tmp88 - tmp89;
output[28 * ostride] = tmp88 + tmp89;
}
{
fftw_real tmp48;
fftw_real tmp68;
fftw_real tmp67;
fftw_real tmp69;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp38;
fftw_real tmp47;
fftw_real tmp57;
fftw_real tmp66;
ASSERT_ALIGNED_DOUBLE();
tmp38 = tmp34 - tmp37;
tmp47 = K1_414213562 * (tmp39 - tmp46);
tmp48 = tmp38 + tmp47;
tmp68 = tmp38 - tmp47;
tmp57 = tmp49 - tmp56;
tmp66 = tmp58 + tmp65;
tmp67 = (K1_847759065 * tmp57) - (K765366864 * tmp66);
tmp69 = (K1_847759065 * tmp66) + (K765366864 * tmp57);
}
output[18 * ostride] = tmp48 - tmp67;
output[2 * ostride] = tmp48 + tmp67;
output[10 * ostride] = tmp68 - tmp69;
output[26 * ostride] = tmp68 + tmp69;
}
{
fftw_real tmp72;
fftw_real tmp76;
fftw_real tmp75;
fftw_real tmp77;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp70;
fftw_real tmp71;
fftw_real tmp73;
fftw_real tmp74;
ASSERT_ALIGNED_DOUBLE();
tmp70 = tmp34 + tmp37;
tmp71 = K1_414213562 * (tmp39 + tmp46);
tmp72 = tmp70 - tmp71;
tmp76 = tmp70 + tmp71;
tmp73 = tmp49 + tmp56;
tmp74 = tmp65 - tmp58;
tmp75 = (K765366864 * tmp73) - (K1_847759065 * tmp74);
tmp77 = (K765366864 * tmp74) + (K1_847759065 * tmp73);
}
output[22 * ostride] = tmp72 - tmp75;
output[6 * ostride] = tmp72 + tmp75;
output[14 * ostride] = tmp76 - tmp77;
output[30 * ostride] = tmp76 + tmp77;
}
{
fftw_real tmp120;
fftw_real tmp124;
fftw_real tmp105;
fftw_real tmp121;
fftw_real tmp97;
fftw_real tmp104;
ASSERT_ALIGNED_DOUBLE();
tmp120 = K2_000000000 * (tmp112 + tmp119);
tmp124 = K2_000000000 * (tmp122 - tmp123);
tmp97 = tmp93 + tmp96;
tmp104 = (K1_847759065 * tmp100) - (K765366864 * tmp103);
tmp105 = tmp97 + tmp104;
tmp121 = tmp97 - tmp104;
output[17 * ostride] = tmp105 - tmp120;
output[ostride] = tmp105 + tmp120;
output[9 * ostride] = tmp121 - tmp124;
output[25 * ostride] = tmp121 + tmp124;
}
{
fftw_real tmp127;
fftw_real tmp131;
fftw_real tmp130;
fftw_real tmp132;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp125;
fftw_real tmp126;
fftw_real tmp128;
fftw_real tmp129;
ASSERT_ALIGNED_DOUBLE();
tmp125 = tmp93 - tmp96;
tmp126 = (K765366864 * tmp100) + (K1_847759065 * tmp103);
tmp127 = tmp125 - tmp126;
tmp131 = tmp125 + tmp126;
tmp128 = tmp112 - tmp119;
tmp129 = tmp122 + tmp123;
tmp130 = K1_414213562 * (tmp128 - tmp129);
tmp132 = K1_414213562 * (tmp128 + tmp129);
}
output[21 * ostride] = tmp127 - tmp130;
output[5 * ostride] = tmp127 + tmp130;
output[13 * ostride] = tmp131 - tmp132;
output[29 * ostride] = tmp131 + tmp132;
}
{
fftw_real tmp146;
fftw_real tmp150;
fftw_real tmp139;
fftw_real tmp147;
fftw_real tmp135;
fftw_real tmp138;
ASSERT_ALIGNED_DOUBLE();
tmp146 = K2_000000000 * (tmp142 - tmp145);
tmp150 = K2_000000000 * (tmp148 - tmp149);
tmp135 = tmp133 - tmp134;
tmp138 = (K765366864 * tmp136) - (K1_847759065 * tmp137);
tmp139 = tmp135 - tmp138;
tmp147 = tmp135 + tmp138;
output[11 * ostride] = tmp139 - tmp146;
output[27 * ostride] = tmp139 + tmp146;
output[19 * ostride] = tmp147 - tmp150;
output[3 * ostride] = tmp147 + tmp150;
}
{
fftw_real tmp153;
fftw_real tmp157;
fftw_real tmp156;
fftw_real tmp158;
ASSERT_ALIGNED_DOUBLE();
{
fftw_real tmp151;
fftw_real tmp152;
fftw_real tmp154;
fftw_real tmp155;
ASSERT_ALIGNED_DOUBLE();
tmp151 = tmp133 + tmp134;
tmp152 = (K1_847759065 * tmp136) + (K765366864 * tmp137);
tmp153 = tmp151 - tmp152;
tmp157 = tmp151 + tmp152;
tmp154 = tmp148 + tmp149;
tmp155 = tmp142 + tmp145;
tmp156 = K1_414213562 * (tmp154 - tmp155);
tmp158 = K1_414213562 * (tmp155 + tmp154);
}
output[23 * ostride] = tmp153 - tmp156;
output[7 * ostride] = tmp153 + tmp156;
output[15 * ostride] = tmp157 - tmp158;
output[31 * ostride] = tmp157 + tmp158;
}
}
fftw_codelet_desc fftw_hc2real_32_desc =
{
"fftw_hc2real_32",
(void (*)()) fftw_hc2real_32,
32,
FFTW_BACKWARD,
FFTW_HC2REAL,
719,
0,
(const int *) 0,
};