ref: d6839757dffdf592ae300726a64e0f3199a9cd56
dir: /libfaad/fftw/fn_15.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 20:43:49 EST 1999 */
#include <fftw-int.h>
#include <fftw.h>
/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddle 15 */
/*
* This function contains 156 FP additions, 56 FP multiplications,
* (or, 128 additions, 28 multiplications, 28 fused multiply/add),
* 62 stack variables, and 60 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);
static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
/*
* Generator Id's :
* $Id: fn_15.c,v 1.1 2002/04/07 21:26:04 menno Exp $
* $Id: fn_15.c,v 1.1 2002/04/07 21:26:04 menno Exp $
* $Id: fn_15.c,v 1.1 2002/04/07 21:26:04 menno Exp $
*/
void fftw_no_twiddle_15(const fftw_complex *input, fftw_complex *output, int istride, int ostride)
{
fftw_real tmp5;
fftw_real tmp33;
fftw_real tmp57;
fftw_real tmp145;
fftw_real tmp100;
fftw_real tmp124;
fftw_real tmp21;
fftw_real tmp26;
fftw_real tmp27;
fftw_real tmp49;
fftw_real tmp54;
fftw_real tmp55;
fftw_real tmp136;
fftw_real tmp137;
fftw_real tmp147;
fftw_real tmp61;
fftw_real tmp62;
fftw_real tmp63;
fftw_real tmp112;
fftw_real tmp113;
fftw_real tmp126;
fftw_real tmp83;
fftw_real tmp88;
fftw_real tmp94;
fftw_real tmp10;
fftw_real tmp15;
fftw_real tmp16;
fftw_real tmp38;
fftw_real tmp43;
fftw_real tmp44;
fftw_real tmp139;
fftw_real tmp140;
fftw_real tmp146;
fftw_real tmp58;
fftw_real tmp59;
fftw_real tmp60;
fftw_real tmp115;
fftw_real tmp116;
fftw_real tmp125;
fftw_real tmp72;
fftw_real tmp77;
fftw_real tmp93;
ASSERT_ALIGNED_DOUBLE;
{
fftw_real tmp1;
fftw_real tmp97;
fftw_real tmp4;
fftw_real tmp96;
fftw_real tmp32;
fftw_real tmp98;
fftw_real tmp29;
fftw_real tmp99;
ASSERT_ALIGNED_DOUBLE;
tmp1 = c_re(input[0]);
tmp97 = c_im(input[0]);
{
fftw_real tmp2;
fftw_real tmp3;
fftw_real tmp30;
fftw_real tmp31;
ASSERT_ALIGNED_DOUBLE;
tmp2 = c_re(input[5 * istride]);
tmp3 = c_re(input[10 * istride]);
tmp4 = tmp2 + tmp3;
tmp96 = K866025403 * (tmp3 - tmp2);
tmp30 = c_im(input[5 * istride]);
tmp31 = c_im(input[10 * istride]);
tmp32 = K866025403 * (tmp30 - tmp31);
tmp98 = tmp30 + tmp31;
}
tmp5 = tmp1 + tmp4;
tmp29 = tmp1 - (K500000000 * tmp4);
tmp33 = tmp29 - tmp32;
tmp57 = tmp29 + tmp32;
tmp145 = tmp97 + tmp98;
tmp99 = tmp97 - (K500000000 * tmp98);
tmp100 = tmp96 + tmp99;
tmp124 = tmp99 - tmp96;
}
{
fftw_real tmp17;
fftw_real tmp20;
fftw_real tmp45;
fftw_real tmp79;
fftw_real tmp80;
fftw_real tmp81;
fftw_real tmp48;
fftw_real tmp82;
fftw_real tmp22;
fftw_real tmp25;
fftw_real tmp50;
fftw_real tmp84;
fftw_real tmp85;
fftw_real tmp86;
fftw_real tmp53;
fftw_real tmp87;
ASSERT_ALIGNED_DOUBLE;
{
fftw_real tmp18;
fftw_real tmp19;
fftw_real tmp46;
fftw_real tmp47;
ASSERT_ALIGNED_DOUBLE;
tmp17 = c_re(input[6 * istride]);
tmp18 = c_re(input[11 * istride]);
tmp19 = c_re(input[istride]);
tmp20 = tmp18 + tmp19;
tmp45 = tmp17 - (K500000000 * tmp20);
tmp79 = K866025403 * (tmp19 - tmp18);
tmp80 = c_im(input[6 * istride]);
tmp46 = c_im(input[11 * istride]);
tmp47 = c_im(input[istride]);
tmp81 = tmp46 + tmp47;
tmp48 = K866025403 * (tmp46 - tmp47);
tmp82 = tmp80 - (K500000000 * tmp81);
}
{
fftw_real tmp23;
fftw_real tmp24;
fftw_real tmp51;
fftw_real tmp52;
ASSERT_ALIGNED_DOUBLE;
tmp22 = c_re(input[9 * istride]);
tmp23 = c_re(input[14 * istride]);
tmp24 = c_re(input[4 * istride]);
tmp25 = tmp23 + tmp24;
tmp50 = tmp22 - (K500000000 * tmp25);
tmp84 = K866025403 * (tmp24 - tmp23);
tmp85 = c_im(input[9 * istride]);
tmp51 = c_im(input[14 * istride]);
tmp52 = c_im(input[4 * istride]);
tmp86 = tmp51 + tmp52;
tmp53 = K866025403 * (tmp51 - tmp52);
tmp87 = tmp85 - (K500000000 * tmp86);
}
tmp21 = tmp17 + tmp20;
tmp26 = tmp22 + tmp25;
tmp27 = tmp21 + tmp26;
tmp49 = tmp45 - tmp48;
tmp54 = tmp50 - tmp53;
tmp55 = tmp49 + tmp54;
tmp136 = tmp80 + tmp81;
tmp137 = tmp85 + tmp86;
tmp147 = tmp136 + tmp137;
tmp61 = tmp45 + tmp48;
tmp62 = tmp50 + tmp53;
tmp63 = tmp61 + tmp62;
tmp112 = tmp82 - tmp79;
tmp113 = tmp87 - tmp84;
tmp126 = tmp112 + tmp113;
tmp83 = tmp79 + tmp82;
tmp88 = tmp84 + tmp87;
tmp94 = tmp83 + tmp88;
}
{
fftw_real tmp6;
fftw_real tmp9;
fftw_real tmp34;
fftw_real tmp68;
fftw_real tmp69;
fftw_real tmp70;
fftw_real tmp37;
fftw_real tmp71;
fftw_real tmp11;
fftw_real tmp14;
fftw_real tmp39;
fftw_real tmp73;
fftw_real tmp74;
fftw_real tmp75;
fftw_real tmp42;
fftw_real tmp76;
ASSERT_ALIGNED_DOUBLE;
{
fftw_real tmp7;
fftw_real tmp8;
fftw_real tmp35;
fftw_real tmp36;
ASSERT_ALIGNED_DOUBLE;
tmp6 = c_re(input[3 * istride]);
tmp7 = c_re(input[8 * istride]);
tmp8 = c_re(input[13 * istride]);
tmp9 = tmp7 + tmp8;
tmp34 = tmp6 - (K500000000 * tmp9);
tmp68 = K866025403 * (tmp8 - tmp7);
tmp69 = c_im(input[3 * istride]);
tmp35 = c_im(input[8 * istride]);
tmp36 = c_im(input[13 * istride]);
tmp70 = tmp35 + tmp36;
tmp37 = K866025403 * (tmp35 - tmp36);
tmp71 = tmp69 - (K500000000 * tmp70);
}
{
fftw_real tmp12;
fftw_real tmp13;
fftw_real tmp40;
fftw_real tmp41;
ASSERT_ALIGNED_DOUBLE;
tmp11 = c_re(input[12 * istride]);
tmp12 = c_re(input[2 * istride]);
tmp13 = c_re(input[7 * istride]);
tmp14 = tmp12 + tmp13;
tmp39 = tmp11 - (K500000000 * tmp14);
tmp73 = K866025403 * (tmp13 - tmp12);
tmp74 = c_im(input[12 * istride]);
tmp40 = c_im(input[2 * istride]);
tmp41 = c_im(input[7 * istride]);
tmp75 = tmp40 + tmp41;
tmp42 = K866025403 * (tmp40 - tmp41);
tmp76 = tmp74 - (K500000000 * tmp75);
}
tmp10 = tmp6 + tmp9;
tmp15 = tmp11 + tmp14;
tmp16 = tmp10 + tmp15;
tmp38 = tmp34 - tmp37;
tmp43 = tmp39 - tmp42;
tmp44 = tmp38 + tmp43;
tmp139 = tmp69 + tmp70;
tmp140 = tmp74 + tmp75;
tmp146 = tmp139 + tmp140;
tmp58 = tmp34 + tmp37;
tmp59 = tmp39 + tmp42;
tmp60 = tmp58 + tmp59;
tmp115 = tmp71 - tmp68;
tmp116 = tmp76 - tmp73;
tmp125 = tmp115 + tmp116;
tmp72 = tmp68 + tmp71;
tmp77 = tmp73 + tmp76;
tmp93 = tmp72 + tmp77;
}
{
fftw_real tmp134;
fftw_real tmp28;
fftw_real tmp133;
fftw_real tmp142;
fftw_real tmp144;
fftw_real tmp138;
fftw_real tmp141;
fftw_real tmp143;
fftw_real tmp135;
ASSERT_ALIGNED_DOUBLE;
tmp134 = K559016994 * (tmp16 - tmp27);
tmp28 = tmp16 + tmp27;
tmp133 = tmp5 - (K250000000 * tmp28);
tmp138 = tmp136 - tmp137;
tmp141 = tmp139 - tmp140;
tmp142 = (K951056516 * tmp138) - (K587785252 * tmp141);
tmp144 = (K951056516 * tmp141) + (K587785252 * tmp138);
c_re(output[0]) = tmp5 + tmp28;
tmp143 = tmp134 + tmp133;
c_re(output[9 * ostride]) = tmp143 - tmp144;
c_re(output[6 * ostride]) = tmp143 + tmp144;
tmp135 = tmp133 - tmp134;
c_re(output[12 * ostride]) = tmp135 - tmp142;
c_re(output[3 * ostride]) = tmp135 + tmp142;
}
{
fftw_real tmp110;
fftw_real tmp56;
fftw_real tmp109;
fftw_real tmp118;
fftw_real tmp120;
fftw_real tmp114;
fftw_real tmp117;
fftw_real tmp119;
fftw_real tmp111;
ASSERT_ALIGNED_DOUBLE;
tmp110 = K559016994 * (tmp44 - tmp55);
tmp56 = tmp44 + tmp55;
tmp109 = tmp33 - (K250000000 * tmp56);
tmp114 = tmp112 - tmp113;
tmp117 = tmp115 - tmp116;
tmp118 = (K951056516 * tmp114) - (K587785252 * tmp117);
tmp120 = (K951056516 * tmp117) + (K587785252 * tmp114);
c_re(output[5 * ostride]) = tmp33 + tmp56;
tmp119 = tmp110 + tmp109;
c_re(output[14 * ostride]) = tmp119 - tmp120;
c_re(output[11 * ostride]) = tmp119 + tmp120;
tmp111 = tmp109 - tmp110;
c_re(output[2 * ostride]) = tmp111 - tmp118;
c_re(output[8 * ostride]) = tmp111 + tmp118;
}
{
fftw_real tmp150;
fftw_real tmp148;
fftw_real tmp149;
fftw_real tmp154;
fftw_real tmp156;
fftw_real tmp152;
fftw_real tmp153;
fftw_real tmp155;
fftw_real tmp151;
ASSERT_ALIGNED_DOUBLE;
tmp150 = K559016994 * (tmp146 - tmp147);
tmp148 = tmp146 + tmp147;
tmp149 = tmp145 - (K250000000 * tmp148);
tmp152 = tmp21 - tmp26;
tmp153 = tmp10 - tmp15;
tmp154 = (K951056516 * tmp152) - (K587785252 * tmp153);
tmp156 = (K951056516 * tmp153) + (K587785252 * tmp152);
c_im(output[0]) = tmp145 + tmp148;
tmp155 = tmp150 + tmp149;
c_im(output[6 * ostride]) = tmp155 - tmp156;
c_im(output[9 * ostride]) = tmp156 + tmp155;
tmp151 = tmp149 - tmp150;
c_im(output[3 * ostride]) = tmp151 - tmp154;
c_im(output[12 * ostride]) = tmp154 + tmp151;
}
{
fftw_real tmp129;
fftw_real tmp127;
fftw_real tmp128;
fftw_real tmp123;
fftw_real tmp132;
fftw_real tmp121;
fftw_real tmp122;
fftw_real tmp131;
fftw_real tmp130;
ASSERT_ALIGNED_DOUBLE;
tmp129 = K559016994 * (tmp125 - tmp126);
tmp127 = tmp125 + tmp126;
tmp128 = tmp124 - (K250000000 * tmp127);
tmp121 = tmp49 - tmp54;
tmp122 = tmp38 - tmp43;
tmp123 = (K951056516 * tmp121) - (K587785252 * tmp122);
tmp132 = (K951056516 * tmp122) + (K587785252 * tmp121);
c_im(output[5 * ostride]) = tmp124 + tmp127;
tmp131 = tmp129 + tmp128;
c_im(output[11 * ostride]) = tmp131 - tmp132;
c_im(output[14 * ostride]) = tmp132 + tmp131;
tmp130 = tmp128 - tmp129;
c_im(output[2 * ostride]) = tmp123 + tmp130;
c_im(output[8 * ostride]) = tmp130 - tmp123;
}
{
fftw_real tmp95;
fftw_real tmp101;
fftw_real tmp102;
fftw_real tmp106;
fftw_real tmp107;
fftw_real tmp104;
fftw_real tmp105;
fftw_real tmp108;
fftw_real tmp103;
ASSERT_ALIGNED_DOUBLE;
tmp95 = K559016994 * (tmp93 - tmp94);
tmp101 = tmp93 + tmp94;
tmp102 = tmp100 - (K250000000 * tmp101);
tmp104 = tmp58 - tmp59;
tmp105 = tmp61 - tmp62;
tmp106 = (K951056516 * tmp104) + (K587785252 * tmp105);
tmp107 = (K951056516 * tmp105) - (K587785252 * tmp104);
c_im(output[10 * ostride]) = tmp100 + tmp101;
tmp108 = tmp102 - tmp95;
c_im(output[7 * ostride]) = tmp107 + tmp108;
c_im(output[13 * ostride]) = tmp108 - tmp107;
tmp103 = tmp95 + tmp102;
c_im(output[ostride]) = tmp103 - tmp106;
c_im(output[4 * ostride]) = tmp106 + tmp103;
}
{
fftw_real tmp65;
fftw_real tmp64;
fftw_real tmp66;
fftw_real tmp90;
fftw_real tmp92;
fftw_real tmp78;
fftw_real tmp89;
fftw_real tmp91;
fftw_real tmp67;
ASSERT_ALIGNED_DOUBLE;
tmp65 = K559016994 * (tmp60 - tmp63);
tmp64 = tmp60 + tmp63;
tmp66 = tmp57 - (K250000000 * tmp64);
tmp78 = tmp72 - tmp77;
tmp89 = tmp83 - tmp88;
tmp90 = (K951056516 * tmp78) + (K587785252 * tmp89);
tmp92 = (K951056516 * tmp89) - (K587785252 * tmp78);
c_re(output[10 * ostride]) = tmp57 + tmp64;
tmp91 = tmp66 - tmp65;
c_re(output[7 * ostride]) = tmp91 - tmp92;
c_re(output[13 * ostride]) = tmp91 + tmp92;
tmp67 = tmp65 + tmp66;
c_re(output[4 * ostride]) = tmp67 - tmp90;
c_re(output[ostride]) = tmp67 + tmp90;
}
}
fftw_codelet_desc fftw_no_twiddle_15_desc =
{
"fftw_no_twiddle_15",
(void (*)()) fftw_no_twiddle_15,
15,
FFTW_FORWARD,
FFTW_NOTW,
331,
0,
(const int *) 0,
};