src/fftw/fn_14.c

   1 /*
   2  * Copyright (c) 1997-1999 Massachusetts Institute of Technology
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  *
  18  */
  19
  20 /* This file was automatically generated --- DO NOT EDIT */
  21 /* Generated on Tue May 18 13:54:28 EDT 1999 */
  22
  23 #include <fftw-int.h>
  24 #include <fftw.h>
  25
  26 /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddle 14 */
  27
  28 /*
  29  * This function contains 148 FP additions, 72 FP multiplications,
  30  * (or, 148 additions, 72 multiplications, 0 fused multiply/add),
  31  * 36 stack variables, and 56 memory accesses
  32  */
  33 static const fftw_real K222520933 = FFTW_KONST(+0.222520933956314404288902564496794759466355569);
  34 static const fftw_real K900968867 = FFTW_KONST(+0.900968867902419126236102319507445051165919162);
  35 static const fftw_real K623489801 = FFTW_KONST(+0.623489801858733530525004884004239810632274731);
  36 static const fftw_real K433883739 = FFTW_KONST(+0.433883739117558120475768332848358754609990728);
  37 static const fftw_real K781831482 = FFTW_KONST(+0.781831482468029808708444526674057750232334519);
  38 static const fftw_real K974927912 = FFTW_KONST(+0.974927912181823607018131682993931217232785801);
  39
  40 /*
  41  * Generator Id's :
  42  * $Id$
  43  * $Id$
  44  * $Id$
  45  */
  46
  47 void fftw_no_twiddle_14(const fftw_complex *input, fftw_complex *output, int istride, int ostride)
  48 {
  49      fftw_real tmp3;
  50      fftw_real tmp25;
  51      fftw_real tmp68;
  52      fftw_real tmp77;
  53      fftw_real tmp10;
  54      fftw_real tmp62;
  55      fftw_real tmp28;
  56      fftw_real tmp88;
  57      fftw_real tmp42;
  58      fftw_real tmp71;
  59      fftw_real tmp80;
  60      fftw_real tmp97;
  61      fftw_real tmp17;
  62      fftw_real tmp64;
  63      fftw_real tmp31;
  64      fftw_real tmp90;
  65      fftw_real tmp56;
  66      fftw_real tmp69;
  67      fftw_real tmp86;
  68      fftw_real tmp99;
  69      fftw_real tmp24;
  70      fftw_real tmp63;
  71      fftw_real tmp34;
  72      fftw_real tmp89;
  73      fftw_real tmp49;
  74      fftw_real tmp70;
  75      fftw_real tmp83;
  76      fftw_real tmp98;
  77      ASSERT_ALIGNED_DOUBLE();
  78      {
  79           fftw_real tmp1;
  80           fftw_real tmp2;
  81           fftw_real tmp66;
  82           fftw_real tmp67;
  83           ASSERT_ALIGNED_DOUBLE();
  84           tmp1 = c_re(input[0]);
  85           tmp2 = c_re(input[7 * istride]);
  86           tmp3 = tmp1 - tmp2;
  87           tmp25 = tmp1 + tmp2;
  88           tmp66 = c_im(input[0]);
  89           tmp67 = c_im(input[7 * istride]);
  90           tmp68 = tmp66 - tmp67;
  91           tmp77 = tmp66 + tmp67;
  92      }
  93      {
  94           fftw_real tmp6;
  95           fftw_real tmp26;
  96           fftw_real tmp9;
  97           fftw_real tmp27;
  98           ASSERT_ALIGNED_DOUBLE();
  99           {
 100                fftw_real tmp4;
 101                fftw_real tmp5;
 102                fftw_real tmp7;
 103                fftw_real tmp8;
 104                ASSERT_ALIGNED_DOUBLE();
 105                tmp4 = c_re(input[2 * istride]);
 106                tmp5 = c_re(input[9 * istride]);
 107                tmp6 = tmp4 - tmp5;
 108                tmp26 = tmp4 + tmp5;
 109                tmp7 = c_re(input[12 * istride]);
 110                tmp8 = c_re(input[5 * istride]);
 111                tmp9 = tmp7 - tmp8;
 112                tmp27 = tmp7 + tmp8;
 113           }
 114           tmp10 = tmp6 + tmp9;
 115           tmp62 = tmp9 - tmp6;
 116           tmp28 = tmp26 + tmp27;
 117           tmp88 = tmp27 - tmp26;
 118      }
 119      {
 120           fftw_real tmp38;
 121           fftw_real tmp78;
 122           fftw_real tmp41;
 123           fftw_real tmp79;
 124           ASSERT_ALIGNED_DOUBLE();
 125           {
 126                fftw_real tmp36;
 127                fftw_real tmp37;
 128                fftw_real tmp39;
 129                fftw_real tmp40;
 130                ASSERT_ALIGNED_DOUBLE();
 131                tmp36 = c_im(input[2 * istride]);
 132                tmp37 = c_im(input[9 * istride]);
 133                tmp38 = tmp36 - tmp37;
 134                tmp78 = tmp36 + tmp37;
 135                tmp39 = c_im(input[12 * istride]);
 136                tmp40 = c_im(input[5 * istride]);
 137                tmp41 = tmp39 - tmp40;
 138                tmp79 = tmp39 + tmp40;
 139           }
 140           tmp42 = tmp38 - tmp41;
 141           tmp71 = tmp38 + tmp41;
 142           tmp80 = tmp78 + tmp79;
 143           tmp97 = tmp78 - tmp79;
 144      }
 145      {
 146           fftw_real tmp13;
 147           fftw_real tmp29;
 148           fftw_real tmp16;
 149           fftw_real tmp30;
 150           ASSERT_ALIGNED_DOUBLE();
 151           {
 152                fftw_real tmp11;
 153                fftw_real tmp12;
 154                fftw_real tmp14;
 155                fftw_real tmp15;
 156                ASSERT_ALIGNED_DOUBLE();
 157                tmp11 = c_re(input[4 * istride]);
 158                tmp12 = c_re(input[11 * istride]);
 159                tmp13 = tmp11 - tmp12;
 160                tmp29 = tmp11 + tmp12;
 161                tmp14 = c_re(input[10 * istride]);
 162                tmp15 = c_re(input[3 * istride]);
 163                tmp16 = tmp14 - tmp15;
 164                tmp30 = tmp14 + tmp15;
 165           }
 166           tmp17 = tmp13 + tmp16;
 167           tmp64 = tmp16 - tmp13;
 168           tmp31 = tmp29 + tmp30;
 169           tmp90 = tmp29 - tmp30;
 170      }
 171      {
 172           fftw_real tmp52;
 173           fftw_real tmp84;
 174           fftw_real tmp55;
 175           fftw_real tmp85;
 176           ASSERT_ALIGNED_DOUBLE();
 177           {
 178                fftw_real tmp50;
 179                fftw_real tmp51;
 180                fftw_real tmp53;
 181                fftw_real tmp54;
 182                ASSERT_ALIGNED_DOUBLE();
 183                tmp50 = c_im(input[4 * istride]);
 184                tmp51 = c_im(input[11 * istride]);
 185                tmp52 = tmp50 - tmp51;
 186                tmp84 = tmp50 + tmp51;
 187                tmp53 = c_im(input[10 * istride]);
 188                tmp54 = c_im(input[3 * istride]);
 189                tmp55 = tmp53 - tmp54;
 190                tmp85 = tmp53 + tmp54;
 191           }
 192           tmp56 = tmp52 - tmp55;
 193           tmp69 = tmp52 + tmp55;
 194           tmp86 = tmp84 + tmp85;
 195           tmp99 = tmp85 - tmp84;
 196      }
 197      {
 198           fftw_real tmp20;
 199           fftw_real tmp32;
 200           fftw_real tmp23;
 201           fftw_real tmp33;
 202           ASSERT_ALIGNED_DOUBLE();
 203           {
 204                fftw_real tmp18;
 205                fftw_real tmp19;
 206                fftw_real tmp21;
 207                fftw_real tmp22;
 208                ASSERT_ALIGNED_DOUBLE();
 209                tmp18 = c_re(input[6 * istride]);
 210                tmp19 = c_re(input[13 * istride]);
 211                tmp20 = tmp18 - tmp19;
 212                tmp32 = tmp18 + tmp19;
 213                tmp21 = c_re(input[8 * istride]);
 214                tmp22 = c_re(input[istride]);
 215                tmp23 = tmp21 - tmp22;
 216                tmp33 = tmp21 + tmp22;
 217           }
 218           tmp24 = tmp20 + tmp23;
 219           tmp63 = tmp23 - tmp20;
 220           tmp34 = tmp32 + tmp33;
 221           tmp89 = tmp32 - tmp33;
 222      }
 223      {
 224           fftw_real tmp45;
 225           fftw_real tmp81;
 226           fftw_real tmp48;
 227           fftw_real tmp82;
 228           ASSERT_ALIGNED_DOUBLE();
 229           {
 230                fftw_real tmp43;
 231                fftw_real tmp44;
 232                fftw_real tmp46;
 233                fftw_real tmp47;
 234                ASSERT_ALIGNED_DOUBLE();
 235                tmp43 = c_im(input[6 * istride]);
 236                tmp44 = c_im(input[13 * istride]);
 237                tmp45 = tmp43 - tmp44;
 238                tmp81 = tmp43 + tmp44;
 239                tmp46 = c_im(input[8 * istride]);
 240                tmp47 = c_im(input[istride]);
 241                tmp48 = tmp46 - tmp47;
 242                tmp82 = tmp46 + tmp47;
 243           }
 244           tmp49 = tmp45 - tmp48;
 245           tmp70 = tmp45 + tmp48;
 246           tmp83 = tmp81 + tmp82;
 247           tmp98 = tmp82 - tmp81;
 248      }
 249      {
 250           fftw_real tmp57;
 251           fftw_real tmp35;
 252           fftw_real tmp100;
 253           fftw_real tmp96;
 254           ASSERT_ALIGNED_DOUBLE();
 255           c_re(output[7 * ostride]) = tmp3 + tmp10 + tmp17 + tmp24;
 256           tmp57 = (K974927912 * tmp42) - (K781831482 * tmp49) - (K433883739 * tmp56);
 257           tmp35 = tmp3 + (K623489801 * tmp24) - (K900968867 * tmp17) - (K222520933 * tmp10);
 258           c_re(output[5 * ostride]) = tmp35 - tmp57;
 259           c_re(output[9 * ostride]) = tmp35 + tmp57;
 260           {
 261                fftw_real tmp59;
 262                fftw_real tmp58;
 263                fftw_real tmp61;
 264                fftw_real tmp60;
 265                ASSERT_ALIGNED_DOUBLE();
 266                tmp59 = (K781831482 * tmp42) + (K974927912 * tmp56) + (K433883739 * tmp49);
 267                tmp58 = tmp3 + (K623489801 * tmp10) - (K900968867 * tmp24) - (K222520933 * tmp17);
 268                c_re(output[13 * ostride]) = tmp58 - tmp59;
 269                c_re(output[ostride]) = tmp58 + tmp59;
 270                tmp61 = (K433883739 * tmp42) + (K974927912 * tmp49) - (K781831482 * tmp56);
 271                tmp60 = tmp3 + (K623489801 * tmp17) - (K222520933 * tmp24) - (K900968867 * tmp10);
 272                c_re(output[11 * ostride]) = tmp60 - tmp61;
 273                c_re(output[3 * ostride]) = tmp60 + tmp61;
 274           }
 275           c_re(output[0]) = tmp25 + tmp28 + tmp31 + tmp34;
 276           tmp100 = (K781831482 * tmp97) - (K433883739 * tmp98) - (K974927912 * tmp99);
 277           tmp96 = tmp25 + (K623489801 * tmp28) - (K900968867 * tmp34) - (K222520933 * tmp31);
 278           c_re(output[6 * ostride]) = tmp96 - tmp100;
 279           c_re(output[8 * ostride]) = tmp96 + tmp100;
 280           {
 281                fftw_real tmp102;
 282                fftw_real tmp101;
 283                fftw_real tmp104;
 284                fftw_real tmp103;
 285                ASSERT_ALIGNED_DOUBLE();
 286                tmp102 = (K433883739 * tmp97) + (K781831482 * tmp99) - (K974927912 * tmp98);
 287                tmp101 = tmp25 + (K623489801 * tmp31) - (K222520933 * tmp34) - (K900968867 * tmp28);
 288                c_re(output[4 * ostride]) = tmp101 - tmp102;
 289                c_re(output[10 * ostride]) = tmp101 + tmp102;
 290                tmp104 = (K974927912 * tmp97) + (K433883739 * tmp99) + (K781831482 * tmp98);
 291                tmp103 = tmp25 + (K623489801 * tmp34) - (K900968867 * tmp31) - (K222520933 * tmp28);
 292                c_re(output[12 * ostride]) = tmp103 - tmp104;
 293                c_re(output[2 * ostride]) = tmp103 + tmp104;
 294           }
 295      }
 296      {
 297           fftw_real tmp76;
 298           fftw_real tmp75;
 299           fftw_real tmp94;
 300           fftw_real tmp95;
 301           ASSERT_ALIGNED_DOUBLE();
 302           c_im(output[7 * ostride]) = tmp68 + tmp71 + tmp69 + tmp70;
 303           tmp76 = (K974927912 * tmp62) - (K781831482 * tmp63) - (K433883739 * tmp64);
 304           tmp75 = tmp68 + (K623489801 * tmp70) - (K900968867 * tmp69) - (K222520933 * tmp71);
 305           c_im(output[5 * ostride]) = tmp75 - tmp76;
 306           c_im(output[9 * ostride]) = tmp76 + tmp75;
 307           {
 308                fftw_real tmp73;
 309                fftw_real tmp74;
 310                fftw_real tmp65;
 311                fftw_real tmp72;
 312                ASSERT_ALIGNED_DOUBLE();
 313                tmp73 = (K781831482 * tmp62) + (K974927912 * tmp64) + (K433883739 * tmp63);
 314                tmp74 = tmp68 + (K623489801 * tmp71) - (K900968867 * tmp70) - (K222520933 * tmp69);
 315                c_im(output[ostride]) = tmp73 + tmp74;
 316                c_im(output[13 * ostride]) = tmp74 - tmp73;
 317                tmp65 = (K433883739 * tmp62) + (K974927912 * tmp63) - (K781831482 * tmp64);
 318                tmp72 = tmp68 + (K623489801 * tmp69) - (K222520933 * tmp70) - (K900968867 * tmp71);
 319                c_im(output[3 * ostride]) = tmp65 + tmp72;
 320                c_im(output[11 * ostride]) = tmp72 - tmp65;
 321           }
 322           c_im(output[0]) = tmp77 + tmp80 + tmp86 + tmp83;
 323           tmp94 = (K974927912 * tmp88) + (K433883739 * tmp90) + (K781831482 * tmp89);
 324           tmp95 = tmp77 + (K623489801 * tmp83) - (K900968867 * tmp86) - (K222520933 * tmp80);
 325           c_im(output[2 * ostride]) = tmp94 + tmp95;
 326           c_im(output[12 * ostride]) = tmp95 - tmp94;
 327           {
 328                fftw_real tmp91;
 329                fftw_real tmp87;
 330                fftw_real tmp93;
 331                fftw_real tmp92;
 332                ASSERT_ALIGNED_DOUBLE();
 333                tmp91 = (K781831482 * tmp88) - (K433883739 * tmp89) - (K974927912 * tmp90);
 334                tmp87 = tmp77 + (K623489801 * tmp80) - (K900968867 * tmp83) - (K222520933 * tmp86);
 335                c_im(output[6 * ostride]) = tmp87 - tmp91;
 336                c_im(output[8 * ostride]) = tmp91 + tmp87;
 337                tmp93 = (K433883739 * tmp88) + (K781831482 * tmp90) - (K974927912 * tmp89);
 338                tmp92 = tmp77 + (K623489801 * tmp86) - (K222520933 * tmp83) - (K900968867 * tmp80);
 339                c_im(output[4 * ostride]) = tmp92 - tmp93;
 340                c_im(output[10 * ostride]) = tmp93 + tmp92;
 341           }
 342      }
 343 }
 344
 345 fftw_codelet_desc fftw_no_twiddle_14_desc =
 346 {
 347      "fftw_no_twiddle_14",
 348      (void (*)()) fftw_no_twiddle_14,
 349      14,
 350      FFTW_FORWARD,
 351      FFTW_NOTW,
 352      309,
 353      0,
 354      (const int *) 0,
 355 };