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fn_13.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 20:43:48 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 13 */

/*
 * This function contains 176 FP additions, 68 FP multiplications,
 * (or, 138 additions, 30 multiplications, 38 fused multiply/add),
 * 50 stack variables, and 52 memory accesses
 */
static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254);
static const fftw_real K256247671 = FFTW_KONST(+0.256247671582936600958684654061725059144125175);
static const fftw_real K156891391 = FFTW_KONST(+0.156891391051584611046832726756003269660212636);
static const fftw_real K300238635 = FFTW_KONST(+0.300238635966332641462884626667381504676006424);
static const fftw_real K011599105 = FFTW_KONST(+0.011599105605768290721655456654083252189827041);
static const fftw_real K174138601 = FFTW_KONST(+0.174138601152135905005660794929264742616964676);
static const fftw_real K575140729 = FFTW_KONST(+0.575140729474003121368385547455453388461001608);
static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
static const fftw_real K083333333 = FFTW_KONST(+0.083333333333333333333333333333333333333333333);
static const fftw_real K075902986 = FFTW_KONST(+0.075902986037193865983102897245103540356428373);
static const fftw_real K251768516 = FFTW_KONST(+0.251768516431883313623436926934233488546674281);
static const fftw_real K258260390 = FFTW_KONST(+0.258260390311744861420450644284508567852516811);
static const fftw_real K132983124 = FFTW_KONST(+0.132983124607418643793760531921092974399165133);
static const fftw_real K265966249 = FFTW_KONST(+0.265966249214837287587521063842185948798330267);
static const fftw_real K387390585 = FFTW_KONST(+0.387390585467617292130675966426762851778775217);
static const fftw_real K503537032 = FFTW_KONST(+0.503537032863766627246873853868466977093348562);
static const fftw_real K113854479 = FFTW_KONST(+0.113854479055790798974654345867655310534642560);
static const fftw_real K300462606 = FFTW_KONST(+0.300462606288665774426601772289207995520941381);
static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);

/*
 * 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_no_twiddle_13(const fftw_complex *input, fftw_complex *output, int istride, int ostride)
{
     fftw_real tmp1;
     fftw_real tmp88;
     fftw_real tmp29;
     fftw_real tmp36;
     fftw_real tmp43;
     fftw_real tmp121;
     fftw_real tmp128;
     fftw_real tmp30;
     fftw_real tmp24;
     fftw_real tmp131;
     fftw_real tmp124;
     fftw_real tmp129;
     fftw_real tmp41;
     fftw_real tmp44;
     fftw_real tmp134;
     fftw_real tmp83;
     fftw_real tmp89;
     fftw_real tmp70;
     fftw_real tmp85;
     fftw_real tmp137;
     fftw_real tmp141;
     fftw_real tmp146;
     fftw_real tmp77;
     fftw_real tmp86;
     fftw_real tmp144;
     fftw_real tmp147;
     ASSERT_ALIGNED_DOUBLE;
     tmp1 = c_re(input[0]);
     tmp88 = c_im(input[0]);
     {
        fftw_real tmp15;
        fftw_real tmp25;
        fftw_real tmp18;
        fftw_real tmp26;
        fftw_real tmp21;
        fftw_real tmp27;
        fftw_real tmp22;
        fftw_real tmp28;
        fftw_real tmp6;
        fftw_real tmp37;
        fftw_real tmp33;
        fftw_real tmp11;
        fftw_real tmp38;
        fftw_real tmp34;
        fftw_real tmp13;
        fftw_real tmp14;
        fftw_real tmp12;
        fftw_real tmp23;
        ASSERT_ALIGNED_DOUBLE;
        tmp13 = c_re(input[8 * istride]);
        tmp14 = c_re(input[5 * istride]);
        tmp15 = tmp13 + tmp14;
        tmp25 = tmp13 - tmp14;
        {
             fftw_real tmp16;
             fftw_real tmp17;
             fftw_real tmp19;
             fftw_real tmp20;
             ASSERT_ALIGNED_DOUBLE;
             tmp16 = c_re(input[6 * istride]);
             tmp17 = c_re(input[11 * istride]);
             tmp18 = tmp16 + tmp17;
             tmp26 = tmp16 - tmp17;
             tmp19 = c_re(input[2 * istride]);
             tmp20 = c_re(input[7 * istride]);
             tmp21 = tmp19 + tmp20;
             tmp27 = tmp19 - tmp20;
        }
        tmp22 = tmp18 + tmp21;
        tmp28 = tmp26 + tmp27;
        {
             fftw_real tmp2;
             fftw_real tmp3;
             fftw_real tmp4;
             fftw_real tmp5;
             ASSERT_ALIGNED_DOUBLE;
             tmp2 = c_re(input[istride]);
             tmp3 = c_re(input[3 * istride]);
             tmp4 = c_re(input[9 * istride]);
             tmp5 = tmp3 + tmp4;
             tmp6 = tmp2 + tmp5;
             tmp37 = tmp2 - (K500000000 * tmp5);
             tmp33 = tmp3 - tmp4;
        }
        {
             fftw_real tmp7;
             fftw_real tmp8;
             fftw_real tmp9;
             fftw_real tmp10;
             ASSERT_ALIGNED_DOUBLE;
             tmp7 = c_re(input[12 * istride]);
             tmp8 = c_re(input[4 * istride]);
             tmp9 = c_re(input[10 * istride]);
             tmp10 = tmp8 + tmp9;
             tmp11 = tmp7 + tmp10;
             tmp38 = tmp7 - (K500000000 * tmp10);
             tmp34 = tmp8 - tmp9;
        }
        tmp29 = tmp25 - tmp28;
        {
             fftw_real tmp32;
             fftw_real tmp35;
             fftw_real tmp119;
             fftw_real tmp120;
             ASSERT_ALIGNED_DOUBLE;
             tmp32 = tmp25 + (K500000000 * tmp28);
             tmp35 = K866025403 * (tmp33 + tmp34);
             tmp36 = tmp32 - tmp35;
             tmp43 = tmp35 + tmp32;
             tmp119 = tmp33 - tmp34;
             tmp120 = tmp27 - tmp26;
             tmp121 = tmp119 + tmp120;
             tmp128 = tmp120 - tmp119;
        }
        tmp30 = tmp6 - tmp11;
        tmp12 = tmp6 + tmp11;
        tmp23 = tmp15 + tmp22;
        tmp24 = tmp12 + tmp23;
        tmp131 = K300462606 * (tmp12 - tmp23);
        {
             fftw_real tmp122;
             fftw_real tmp123;
             fftw_real tmp39;
             fftw_real tmp40;
             ASSERT_ALIGNED_DOUBLE;
             tmp122 = tmp37 + tmp38;
             tmp123 = tmp15 - (K500000000 * tmp22);
             tmp124 = tmp122 + tmp123;
             tmp129 = tmp122 - tmp123;
             tmp39 = tmp37 - tmp38;
             tmp40 = K866025403 * (tmp18 - tmp21);
             tmp41 = tmp39 + tmp40;
             tmp44 = tmp39 - tmp40;
        }
     }
     {
        fftw_real tmp61;
        fftw_real tmp135;
        fftw_real tmp64;
        fftw_real tmp71;
        fftw_real tmp67;
        fftw_real tmp72;
        fftw_real tmp68;
        fftw_real tmp136;
        fftw_real tmp52;
        fftw_real tmp79;
        fftw_real tmp75;
        fftw_real tmp57;
        fftw_real tmp80;
        fftw_real tmp74;
        fftw_real tmp59;
        fftw_real tmp60;
        fftw_real tmp139;
        fftw_real tmp140;
        ASSERT_ALIGNED_DOUBLE;
        tmp59 = c_im(input[8 * istride]);
        tmp60 = c_im(input[5 * istride]);
        tmp61 = tmp59 + tmp60;
        tmp135 = tmp59 - tmp60;
        {
             fftw_real tmp62;
             fftw_real tmp63;
             fftw_real tmp65;
             fftw_real tmp66;
             ASSERT_ALIGNED_DOUBLE;
             tmp62 = c_im(input[6 * istride]);
             tmp63 = c_im(input[11 * istride]);
             tmp64 = tmp62 + tmp63;
             tmp71 = tmp62 - tmp63;
             tmp65 = c_im(input[2 * istride]);
             tmp66 = c_im(input[7 * istride]);
             tmp67 = tmp65 + tmp66;
             tmp72 = tmp65 - tmp66;
        }
        tmp68 = tmp64 + tmp67;
        tmp136 = tmp71 + tmp72;
        {
             fftw_real tmp48;
             fftw_real tmp49;
             fftw_real tmp50;
             fftw_real tmp51;
             ASSERT_ALIGNED_DOUBLE;
             tmp48 = c_im(input[istride]);
             tmp49 = c_im(input[3 * istride]);
             tmp50 = c_im(input[9 * istride]);
             tmp51 = tmp49 + tmp50;
             tmp52 = tmp48 - (K500000000 * tmp51);
             tmp79 = tmp48 + tmp51;
             tmp75 = tmp49 - tmp50;
        }
        {
             fftw_real tmp53;
             fftw_real tmp54;
             fftw_real tmp55;
             fftw_real tmp56;
             ASSERT_ALIGNED_DOUBLE;
             tmp53 = c_im(input[12 * istride]);
             tmp54 = c_im(input[4 * istride]);
             tmp55 = c_im(input[10 * istride]);
             tmp56 = tmp54 + tmp55;
             tmp57 = tmp53 - (K500000000 * tmp56);
             tmp80 = tmp53 + tmp56;
             tmp74 = tmp54 - tmp55;
        }
        tmp134 = tmp79 - tmp80;
        {
             fftw_real tmp81;
             fftw_real tmp82;
             fftw_real tmp58;
             fftw_real tmp69;
             ASSERT_ALIGNED_DOUBLE;
             tmp81 = tmp79 + tmp80;
             tmp82 = tmp61 + tmp68;
             tmp83 = K300462606 * (tmp81 - tmp82);
             tmp89 = tmp81 + tmp82;
             tmp58 = tmp52 + tmp57;
             tmp69 = tmp61 - (K500000000 * tmp68);
             tmp70 = tmp58 - tmp69;
             tmp85 = tmp58 + tmp69;
        }
        tmp137 = tmp135 - tmp136;
        tmp139 = K866025403 * (tmp75 + tmp74);
        tmp140 = tmp135 + (K500000000 * tmp136);
        tmp141 = tmp139 - tmp140;
        tmp146 = tmp139 + tmp140;
        {
             fftw_real tmp73;
             fftw_real tmp76;
             fftw_real tmp142;
             fftw_real tmp143;
             ASSERT_ALIGNED_DOUBLE;
             tmp73 = tmp71 - tmp72;
             tmp76 = tmp74 - tmp75;
             tmp77 = tmp73 - tmp76;
             tmp86 = tmp76 + tmp73;
             tmp142 = tmp52 - tmp57;
             tmp143 = K866025403 * (tmp67 - tmp64);
             tmp144 = tmp142 - tmp143;
             tmp147 = tmp142 + tmp143;
        }
     }
     c_re(output[0]) = tmp1 + tmp24;
     {
        fftw_real tmp163;
        fftw_real tmp173;
        fftw_real tmp127;
        fftw_real tmp169;
        fftw_real tmp153;
        fftw_real tmp132;
        fftw_real tmp138;
        fftw_real tmp149;
        fftw_real tmp160;
        fftw_real tmp172;
        fftw_real tmp154;
        fftw_real tmp157;
        fftw_real tmp158;
        fftw_real tmp170;
        fftw_real tmp161;
        fftw_real tmp162;
        ASSERT_ALIGNED_DOUBLE;
        tmp161 = (K113854479 * tmp121) - (K503537032 * tmp124);
        tmp162 = (K387390585 * tmp128) - (K265966249 * tmp129);
        tmp163 = tmp161 - tmp162;
        tmp173 = tmp162 + tmp161;
        {
             fftw_real tmp130;
             fftw_real tmp151;
             fftw_real tmp125;
             fftw_real tmp126;
             fftw_real tmp152;
             ASSERT_ALIGNED_DOUBLE;
             tmp130 = (K132983124 * tmp128) + (K258260390 * tmp129);
             tmp151 = tmp131 - tmp130;
             tmp125 = (K251768516 * tmp121) + (K075902986 * tmp124);
             tmp126 = tmp1 - (K083333333 * tmp24);
             tmp152 = tmp126 - tmp125;
             tmp127 = (K2_000000000 * tmp125) + tmp126;
             tmp169 = tmp152 - tmp151;
             tmp153 = tmp151 + tmp152;
             tmp132 = (K2_000000000 * tmp130) + tmp131;
        }
        {
             fftw_real tmp145;
             fftw_real tmp148;
             fftw_real tmp155;
             fftw_real tmp156;
             ASSERT_ALIGNED_DOUBLE;
             tmp138 = (K575140729 * tmp134) + (K174138601 * tmp137);
             tmp145 = (K011599105 * tmp141) + (K300238635 * tmp144);
             tmp148 = (K156891391 * tmp146) - (K256247671 * tmp147);
             tmp149 = tmp145 + tmp148;
             tmp160 = K1_732050807 * (tmp148 - tmp145);
             tmp172 = tmp149 - tmp138;
             tmp154 = (K174138601 * tmp134) - (K575140729 * tmp137);
             tmp155 = (K300238635 * tmp141) - (K011599105 * tmp144);
             tmp156 = (K256247671 * tmp146) + (K156891391 * tmp147);
             tmp157 = tmp155 + tmp156;
             tmp158 = tmp154 - tmp157;
             tmp170 = K1_732050807 * (tmp156 - tmp155);
        }
        {
             fftw_real tmp133;
             fftw_real tmp150;
             fftw_real tmp165;
             fftw_real tmp166;
             ASSERT_ALIGNED_DOUBLE;
             tmp133 = tmp127 - tmp132;
             tmp150 = tmp138 + (K2_000000000 * tmp149);
             c_re(output[8 * ostride]) = tmp133 - tmp150;
             c_re(output[5 * ostride]) = tmp133 + tmp150;
             {
                fftw_real tmp167;
                fftw_real tmp168;
                fftw_real tmp159;
                fftw_real tmp164;
                ASSERT_ALIGNED_DOUBLE;
                tmp167 = tmp132 + tmp127;
                tmp168 = tmp154 + (K2_000000000 * tmp157);
                c_re(output[12 * ostride]) = tmp167 - tmp168;
                c_re(output[ostride]) = tmp167 + tmp168;
                tmp159 = tmp153 - tmp158;
                tmp164 = tmp160 - tmp163;
                c_re(output[4 * ostride]) = tmp159 - tmp164;
                c_re(output[10 * ostride]) = tmp164 + tmp159;
             }
             tmp165 = tmp153 + tmp158;
             tmp166 = tmp163 + tmp160;
             c_re(output[3 * ostride]) = tmp165 - tmp166;
             c_re(output[9 * ostride]) = tmp166 + tmp165;
             {
                fftw_real tmp175;
                fftw_real tmp176;
                fftw_real tmp171;
                fftw_real tmp174;
                ASSERT_ALIGNED_DOUBLE;
                tmp175 = tmp169 + tmp170;
                tmp176 = tmp173 + tmp172;
                c_re(output[2 * ostride]) = tmp175 - tmp176;
                c_re(output[7 * ostride]) = tmp176 + tmp175;
                tmp171 = tmp169 - tmp170;
                tmp174 = tmp172 - tmp173;
                c_re(output[6 * ostride]) = tmp171 - tmp174;
                c_re(output[11 * ostride]) = tmp174 + tmp171;
             }
        }
     }
     c_im(output[0]) = tmp88 + tmp89;
     {
        fftw_real tmp102;
        fftw_real tmp115;
        fftw_real tmp84;
        fftw_real tmp112;
        fftw_real tmp106;
        fftw_real tmp91;
        fftw_real tmp31;
        fftw_real tmp46;
        fftw_real tmp107;
        fftw_real tmp111;
        fftw_real tmp94;
        fftw_real tmp97;
        fftw_real tmp99;
        fftw_real tmp114;
        fftw_real tmp100;
        fftw_real tmp101;
        ASSERT_ALIGNED_DOUBLE;
        tmp100 = (K387390585 * tmp77) + (K265966249 * tmp70);
        tmp101 = (K113854479 * tmp86) + (K503537032 * tmp85);
        tmp102 = tmp100 + tmp101;
        tmp115 = tmp100 - tmp101;
        {
             fftw_real tmp78;
             fftw_real tmp105;
             fftw_real tmp87;
             fftw_real tmp90;
             fftw_real tmp104;
             ASSERT_ALIGNED_DOUBLE;
             tmp78 = (K258260390 * tmp70) - (K132983124 * tmp77);
             tmp105 = tmp83 - tmp78;
             tmp87 = (K075902986 * tmp85) - (K251768516 * tmp86);
             tmp90 = tmp88 - (K083333333 * tmp89);
             tmp104 = tmp90 - tmp87;
             tmp84 = (K2_000000000 * tmp78) + tmp83;
             tmp112 = tmp105 + tmp104;
             tmp106 = tmp104 - tmp105;
             tmp91 = (K2_000000000 * tmp87) + tmp90;
        }
        {
             fftw_real tmp42;
             fftw_real tmp45;
             fftw_real tmp95;
             fftw_real tmp96;
             ASSERT_ALIGNED_DOUBLE;
             tmp31 = (K575140729 * tmp29) - (K174138601 * tmp30);
             tmp42 = (K300238635 * tmp36) + (K011599105 * tmp41);
             tmp45 = (K256247671 * tmp43) + (K156891391 * tmp44);
             tmp46 = tmp42 - tmp45;
             tmp107 = K1_732050807 * (tmp45 + tmp42);
             tmp111 = tmp31 - tmp46;
             tmp94 = (K575140729 * tmp30) + (K174138601 * tmp29);
             tmp95 = (K156891391 * tmp43) - (K256247671 * tmp44);
             tmp96 = (K300238635 * tmp41) - (K011599105 * tmp36);
             tmp97 = tmp95 + tmp96;
             tmp99 = tmp97 - tmp94;
             tmp114 = K1_732050807 * (tmp96 - tmp95);
        }
        {
             fftw_real tmp47;
             fftw_real tmp92;
             fftw_real tmp109;
             fftw_real tmp110;
             ASSERT_ALIGNED_DOUBLE;
             tmp47 = tmp31 + (K2_000000000 * tmp46);
             tmp92 = tmp84 + tmp91;
             c_im(output[ostride]) = tmp47 + tmp92;
             c_im(output[12 * ostride]) = tmp92 - tmp47;
             {
                fftw_real tmp93;
                fftw_real tmp98;
                fftw_real tmp103;
                fftw_real tmp108;
                ASSERT_ALIGNED_DOUBLE;
                tmp93 = tmp91 - tmp84;
                tmp98 = tmp94 + (K2_000000000 * tmp97);
                c_im(output[5 * ostride]) = tmp93 - tmp98;
                c_im(output[8 * ostride]) = tmp98 + tmp93;
                tmp103 = tmp99 + tmp102;
                tmp108 = tmp106 - tmp107;
                c_im(output[2 * ostride]) = tmp103 + tmp108;
                c_im(output[7 * ostride]) = tmp108 - tmp103;
             }
             tmp109 = tmp107 + tmp106;
             tmp110 = tmp102 - tmp99;
             c_im(output[6 * ostride]) = tmp109 - tmp110;
             c_im(output[11 * ostride]) = tmp110 + tmp109;
             {
                fftw_real tmp117;
                fftw_real tmp118;
                fftw_real tmp113;
                fftw_real tmp116;
                ASSERT_ALIGNED_DOUBLE;
                tmp117 = tmp112 - tmp111;
                tmp118 = tmp114 - tmp115;
                c_im(output[4 * ostride]) = tmp117 - tmp118;
                c_im(output[10 * ostride]) = tmp118 + tmp117;
                tmp113 = tmp111 + tmp112;
                tmp116 = tmp114 + tmp115;
                c_im(output[3 * ostride]) = tmp113 - tmp116;
                c_im(output[9 * ostride]) = tmp116 + tmp113;
             }
        }
     }
}

fftw_codelet_desc fftw_no_twiddle_13_desc =
{
     "fftw_no_twiddle_13",
     (void (*)()) fftw_no_twiddle_13,
     13,
     FFTW_FORWARD,
     FFTW_NOTW,
     287,
     0,
     (const int *) 0,
};

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