src/fftw/fni_15.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 13:54:55 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 -notwiddleinv 15 */
  27
  28 /*
  29  * This function contains 156 FP additions, 56 FP multiplications,
  30  * (or, 128 additions, 28 multiplications, 28 fused multiply/add),
  31  * 62 stack variables, and 60 memory accesses
  32  */
  33 static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);
  34 static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
  35 static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000);
  36 static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590);
  37 static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
  38 static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
  39
  40 /*
  41  * Generator Id's :
  42  * $Id$
  43  * $Id$
  44  * $Id$
  45  */
  46
  47 void fftwi_no_twiddle_15(const fftw_complex *input, fftw_complex *output, int istride, int ostride)
  48 {
  49      fftw_real tmp5;
  50      fftw_real tmp121;
  51      fftw_real tmp148;
  52      fftw_real tmp87;
  53      fftw_real tmp35;
  54      fftw_real tmp67;
  55      fftw_real tmp21;
  56      fftw_real tmp26;
  57      fftw_real tmp27;
  58      fftw_real tmp111;
  59      fftw_real tmp114;
  60      fftw_real tmp123;
  61      fftw_real tmp139;
  62      fftw_real tmp140;
  63      fftw_real tmp146;
  64      fftw_real tmp81;
  65      fftw_real tmp82;
  66      fftw_real tmp89;
  67      fftw_real tmp71;
  68      fftw_real tmp72;
  69      fftw_real tmp73;
  70      fftw_real tmp57;
  71      fftw_real tmp64;
  72      fftw_real tmp65;
  73      fftw_real tmp10;
  74      fftw_real tmp15;
  75      fftw_real tmp16;
  76      fftw_real tmp104;
  77      fftw_real tmp107;
  78      fftw_real tmp122;
  79      fftw_real tmp136;
  80      fftw_real tmp137;
  81      fftw_real tmp145;
  82      fftw_real tmp78;
  83      fftw_real tmp79;
  84      fftw_real tmp88;
  85      fftw_real tmp68;
  86      fftw_real tmp69;
  87      fftw_real tmp70;
  88      fftw_real tmp42;
  89      fftw_real tmp49;
  90      fftw_real tmp50;
  91      ASSERT_ALIGNED_DOUBLE();
  92      {
  93           fftw_real tmp1;
  94           fftw_real tmp30;
  95           fftw_real tmp4;
  96           fftw_real tmp29;
  97           fftw_real tmp33;
  98           fftw_real tmp120;
  99           fftw_real tmp119;
 100           fftw_real tmp34;
 101           ASSERT_ALIGNED_DOUBLE();
 102           tmp1 = c_re(input[0]);
 103           tmp30 = c_im(input[0]);
 104           {
 105                fftw_real tmp2;
 106                fftw_real tmp3;
 107                fftw_real tmp31;
 108                fftw_real tmp32;
 109                ASSERT_ALIGNED_DOUBLE();
 110                tmp2 = c_re(input[5 * istride]);
 111                tmp3 = c_re(input[10 * istride]);
 112                tmp4 = tmp2 + tmp3;
 113                tmp29 = K866025403 * (tmp2 - tmp3);
 114                tmp31 = c_im(input[5 * istride]);
 115                tmp32 = c_im(input[10 * istride]);
 116                tmp33 = tmp31 + tmp32;
 117                tmp120 = K866025403 * (tmp32 - tmp31);
 118           }
 119           tmp5 = tmp1 + tmp4;
 120           tmp119 = tmp1 - (K500000000 * tmp4);
 121           tmp121 = tmp119 - tmp120;
 122           tmp148 = tmp119 + tmp120;
 123           tmp87 = tmp30 + tmp33;
 124           tmp34 = tmp30 - (K500000000 * tmp33);
 125           tmp35 = tmp29 + tmp34;
 126           tmp67 = tmp34 - tmp29;
 127      }
 128      {
 129           fftw_real tmp17;
 130           fftw_real tmp20;
 131           fftw_real tmp51;
 132           fftw_real tmp109;
 133           fftw_real tmp52;
 134           fftw_real tmp55;
 135           fftw_real tmp56;
 136           fftw_real tmp110;
 137           fftw_real tmp22;
 138           fftw_real tmp25;
 139           fftw_real tmp58;
 140           fftw_real tmp112;
 141           fftw_real tmp59;
 142           fftw_real tmp62;
 143           fftw_real tmp63;
 144           fftw_real tmp113;
 145           ASSERT_ALIGNED_DOUBLE();
 146           {
 147                fftw_real tmp18;
 148                fftw_real tmp19;
 149                fftw_real tmp53;
 150                fftw_real tmp54;
 151                ASSERT_ALIGNED_DOUBLE();
 152                tmp17 = c_re(input[6 * istride]);
 153                tmp18 = c_re(input[11 * istride]);
 154                tmp19 = c_re(input[istride]);
 155                tmp20 = tmp18 + tmp19;
 156                tmp51 = K866025403 * (tmp18 - tmp19);
 157                tmp109 = tmp17 - (K500000000 * tmp20);
 158                tmp52 = c_im(input[6 * istride]);
 159                tmp53 = c_im(input[11 * istride]);
 160                tmp54 = c_im(input[istride]);
 161                tmp55 = tmp53 + tmp54;
 162                tmp56 = tmp52 - (K500000000 * tmp55);
 163                tmp110 = K866025403 * (tmp54 - tmp53);
 164           }
 165           {
 166                fftw_real tmp23;
 167                fftw_real tmp24;
 168                fftw_real tmp60;
 169                fftw_real tmp61;
 170                ASSERT_ALIGNED_DOUBLE();
 171                tmp22 = c_re(input[9 * istride]);
 172                tmp23 = c_re(input[14 * istride]);
 173                tmp24 = c_re(input[4 * istride]);
 174                tmp25 = tmp23 + tmp24;
 175                tmp58 = K866025403 * (tmp23 - tmp24);
 176                tmp112 = tmp22 - (K500000000 * tmp25);
 177                tmp59 = c_im(input[9 * istride]);
 178                tmp60 = c_im(input[14 * istride]);
 179                tmp61 = c_im(input[4 * istride]);
 180                tmp62 = tmp60 + tmp61;
 181                tmp63 = tmp59 - (K500000000 * tmp62);
 182                tmp113 = K866025403 * (tmp61 - tmp60);
 183           }
 184           tmp21 = tmp17 + tmp20;
 185           tmp26 = tmp22 + tmp25;
 186           tmp27 = tmp21 + tmp26;
 187           tmp111 = tmp109 - tmp110;
 188           tmp114 = tmp112 - tmp113;
 189           tmp123 = tmp111 + tmp114;
 190           tmp139 = tmp109 + tmp110;
 191           tmp140 = tmp112 + tmp113;
 192           tmp146 = tmp139 + tmp140;
 193           tmp81 = tmp52 + tmp55;
 194           tmp82 = tmp59 + tmp62;
 195           tmp89 = tmp81 + tmp82;
 196           tmp71 = tmp56 - tmp51;
 197           tmp72 = tmp63 - tmp58;
 198           tmp73 = tmp71 + tmp72;
 199           tmp57 = tmp51 + tmp56;
 200           tmp64 = tmp58 + tmp63;
 201           tmp65 = tmp57 + tmp64;
 202      }
 203      {
 204           fftw_real tmp6;
 205           fftw_real tmp9;
 206           fftw_real tmp36;
 207           fftw_real tmp102;
 208           fftw_real tmp37;
 209           fftw_real tmp40;
 210           fftw_real tmp41;
 211           fftw_real tmp103;
 212           fftw_real tmp11;
 213           fftw_real tmp14;
 214           fftw_real tmp43;
 215           fftw_real tmp105;
 216           fftw_real tmp44;
 217           fftw_real tmp47;
 218           fftw_real tmp48;
 219           fftw_real tmp106;
 220           ASSERT_ALIGNED_DOUBLE();
 221           {
 222                fftw_real tmp7;
 223                fftw_real tmp8;
 224                fftw_real tmp38;
 225                fftw_real tmp39;
 226                ASSERT_ALIGNED_DOUBLE();
 227                tmp6 = c_re(input[3 * istride]);
 228                tmp7 = c_re(input[8 * istride]);
 229                tmp8 = c_re(input[13 * istride]);
 230                tmp9 = tmp7 + tmp8;
 231                tmp36 = K866025403 * (tmp7 - tmp8);
 232                tmp102 = tmp6 - (K500000000 * tmp9);
 233                tmp37 = c_im(input[3 * istride]);
 234                tmp38 = c_im(input[8 * istride]);
 235                tmp39 = c_im(input[13 * istride]);
 236                tmp40 = tmp38 + tmp39;
 237                tmp41 = tmp37 - (K500000000 * tmp40);
 238                tmp103 = K866025403 * (tmp39 - tmp38);
 239           }
 240           {
 241                fftw_real tmp12;
 242                fftw_real tmp13;
 243                fftw_real tmp45;
 244                fftw_real tmp46;
 245                ASSERT_ALIGNED_DOUBLE();
 246                tmp11 = c_re(input[12 * istride]);
 247                tmp12 = c_re(input[2 * istride]);
 248                tmp13 = c_re(input[7 * istride]);
 249                tmp14 = tmp12 + tmp13;
 250                tmp43 = K866025403 * (tmp12 - tmp13);
 251                tmp105 = tmp11 - (K500000000 * tmp14);
 252                tmp44 = c_im(input[12 * istride]);
 253                tmp45 = c_im(input[2 * istride]);
 254                tmp46 = c_im(input[7 * istride]);
 255                tmp47 = tmp45 + tmp46;
 256                tmp48 = tmp44 - (K500000000 * tmp47);
 257                tmp106 = K866025403 * (tmp46 - tmp45);
 258           }
 259           tmp10 = tmp6 + tmp9;
 260           tmp15 = tmp11 + tmp14;
 261           tmp16 = tmp10 + tmp15;
 262           tmp104 = tmp102 - tmp103;
 263           tmp107 = tmp105 - tmp106;
 264           tmp122 = tmp104 + tmp107;
 265           tmp136 = tmp102 + tmp103;
 266           tmp137 = tmp105 + tmp106;
 267           tmp145 = tmp136 + tmp137;
 268           tmp78 = tmp37 + tmp40;
 269           tmp79 = tmp44 + tmp47;
 270           tmp88 = tmp78 + tmp79;
 271           tmp68 = tmp41 - tmp36;
 272           tmp69 = tmp48 - tmp43;
 273           tmp70 = tmp68 + tmp69;
 274           tmp42 = tmp36 + tmp41;
 275           tmp49 = tmp43 + tmp48;
 276           tmp50 = tmp42 + tmp49;
 277      }
 278      {
 279           fftw_real tmp76;
 280           fftw_real tmp28;
 281           fftw_real tmp75;
 282           fftw_real tmp84;
 283           fftw_real tmp86;
 284           fftw_real tmp80;
 285           fftw_real tmp83;
 286           fftw_real tmp85;
 287           fftw_real tmp77;
 288           ASSERT_ALIGNED_DOUBLE();
 289           tmp76 = K559016994 * (tmp16 - tmp27);
 290           tmp28 = tmp16 + tmp27;
 291           tmp75 = tmp5 - (K250000000 * tmp28);
 292           tmp80 = tmp78 - tmp79;
 293           tmp83 = tmp81 - tmp82;
 294           tmp84 = (K587785252 * tmp80) - (K951056516 * tmp83);
 295           tmp86 = (K951056516 * tmp80) + (K587785252 * tmp83);
 296           c_re(output[0]) = tmp5 + tmp28;
 297           tmp85 = tmp76 + tmp75;
 298           c_re(output[6 * ostride]) = tmp85 - tmp86;
 299           c_re(output[9 * ostride]) = tmp85 + tmp86;
 300           tmp77 = tmp75 - tmp76;
 301           c_re(output[12 * ostride]) = tmp77 - tmp84;
 302           c_re(output[3 * ostride]) = tmp77 + tmp84;
 303      }
 304      {
 305           fftw_real tmp134;
 306           fftw_real tmp66;
 307           fftw_real tmp133;
 308           fftw_real tmp142;
 309           fftw_real tmp144;
 310           fftw_real tmp138;
 311           fftw_real tmp141;
 312           fftw_real tmp143;
 313           fftw_real tmp135;
 314           ASSERT_ALIGNED_DOUBLE();
 315           tmp134 = K559016994 * (tmp50 - tmp65);
 316           tmp66 = tmp50 + tmp65;
 317           tmp133 = tmp35 - (K250000000 * tmp66);
 318           tmp138 = tmp136 - tmp137;
 319           tmp141 = tmp139 - tmp140;
 320           tmp142 = (K587785252 * tmp138) - (K951056516 * tmp141);
 321           tmp144 = (K951056516 * tmp138) + (K587785252 * tmp141);
 322           c_im(output[10 * ostride]) = tmp35 + tmp66;
 323           tmp143 = tmp134 + tmp133;
 324           c_im(output[4 * ostride]) = tmp143 - tmp144;
 325           c_im(output[ostride]) = tmp143 + tmp144;
 326           tmp135 = tmp133 - tmp134;
 327           c_im(output[13 * ostride]) = tmp135 - tmp142;
 328           c_im(output[7 * ostride]) = tmp135 + tmp142;
 329      }
 330      {
 331           fftw_real tmp147;
 332           fftw_real tmp149;
 333           fftw_real tmp150;
 334           fftw_real tmp154;
 335           fftw_real tmp156;
 336           fftw_real tmp152;
 337           fftw_real tmp153;
 338           fftw_real tmp155;
 339           fftw_real tmp151;
 340           ASSERT_ALIGNED_DOUBLE();
 341           tmp147 = K559016994 * (tmp145 - tmp146);
 342           tmp149 = tmp145 + tmp146;
 343           tmp150 = tmp148 - (K250000000 * tmp149);
 344           tmp152 = tmp42 - tmp49;
 345           tmp153 = tmp57 - tmp64;
 346           tmp154 = (K951056516 * tmp152) + (K587785252 * tmp153);
 347           tmp156 = (K587785252 * tmp152) - (K951056516 * tmp153);
 348           c_re(output[10 * ostride]) = tmp148 + tmp149;
 349           tmp155 = tmp150 - tmp147;
 350           c_re(output[7 * ostride]) = tmp155 - tmp156;
 351           c_re(output[13 * ostride]) = tmp156 + tmp155;
 352           tmp151 = tmp147 + tmp150;
 353           c_re(output[ostride]) = tmp151 - tmp154;
 354           c_re(output[4 * ostride]) = tmp154 + tmp151;
 355      }
 356      {
 357           fftw_real tmp126;
 358           fftw_real tmp124;
 359           fftw_real tmp125;
 360           fftw_real tmp130;
 361           fftw_real tmp132;
 362           fftw_real tmp128;
 363           fftw_real tmp129;
 364           fftw_real tmp131;
 365           fftw_real tmp127;
 366           ASSERT_ALIGNED_DOUBLE();
 367           tmp126 = K559016994 * (tmp122 - tmp123);
 368           tmp124 = tmp122 + tmp123;
 369           tmp125 = tmp121 - (K250000000 * tmp124);
 370           tmp128 = tmp68 - tmp69;
 371           tmp129 = tmp71 - tmp72;
 372           tmp130 = (K587785252 * tmp128) - (K951056516 * tmp129);
 373           tmp132 = (K951056516 * tmp128) + (K587785252 * tmp129);
 374           c_re(output[5 * ostride]) = tmp121 + tmp124;
 375           tmp131 = tmp126 + tmp125;
 376           c_re(output[11 * ostride]) = tmp131 - tmp132;
 377           c_re(output[14 * ostride]) = tmp132 + tmp131;
 378           tmp127 = tmp125 - tmp126;
 379           c_re(output[2 * ostride]) = tmp127 - tmp130;
 380           c_re(output[8 * ostride]) = tmp130 + tmp127;
 381      }
 382      {
 383           fftw_real tmp92;
 384           fftw_real tmp90;
 385           fftw_real tmp91;
 386           fftw_real tmp96;
 387           fftw_real tmp97;
 388           fftw_real tmp94;
 389           fftw_real tmp95;
 390           fftw_real tmp98;
 391           fftw_real tmp93;
 392           ASSERT_ALIGNED_DOUBLE();
 393           tmp92 = K559016994 * (tmp88 - tmp89);
 394           tmp90 = tmp88 + tmp89;
 395           tmp91 = tmp87 - (K250000000 * tmp90);
 396           tmp94 = tmp10 - tmp15;
 397           tmp95 = tmp21 - tmp26;
 398           tmp96 = (K587785252 * tmp94) - (K951056516 * tmp95);
 399           tmp97 = (K951056516 * tmp94) + (K587785252 * tmp95);
 400           c_im(output[0]) = tmp87 + tmp90;
 401           tmp98 = tmp92 + tmp91;
 402           c_im(output[6 * ostride]) = tmp97 + tmp98;
 403           c_im(output[9 * ostride]) = tmp98 - tmp97;
 404           tmp93 = tmp91 - tmp92;
 405           c_im(output[3 * ostride]) = tmp93 - tmp96;
 406           c_im(output[12 * ostride]) = tmp96 + tmp93;
 407      }
 408      {
 409           fftw_real tmp100;
 410           fftw_real tmp74;
 411           fftw_real tmp99;
 412           fftw_real tmp116;
 413           fftw_real tmp118;
 414           fftw_real tmp108;
 415           fftw_real tmp115;
 416           fftw_real tmp117;
 417           fftw_real tmp101;
 418           ASSERT_ALIGNED_DOUBLE();
 419           tmp100 = K559016994 * (tmp70 - tmp73);
 420           tmp74 = tmp70 + tmp73;
 421           tmp99 = tmp67 - (K250000000 * tmp74);
 422           tmp108 = tmp104 - tmp107;
 423           tmp115 = tmp111 - tmp114;
 424           tmp116 = (K587785252 * tmp108) - (K951056516 * tmp115);
 425           tmp118 = (K951056516 * tmp108) + (K587785252 * tmp115);
 426           c_im(output[5 * ostride]) = tmp67 + tmp74;
 427           tmp117 = tmp100 + tmp99;
 428           c_im(output[14 * ostride]) = tmp117 - tmp118;
 429           c_im(output[11 * ostride]) = tmp117 + tmp118;
 430           tmp101 = tmp99 - tmp100;
 431           c_im(output[8 * ostride]) = tmp101 - tmp116;
 432           c_im(output[2 * ostride]) = tmp101 + tmp116;
 433      }
 434 }
 435
 436 fftw_codelet_desc fftwi_no_twiddle_15_desc =
 437 {
 438      "fftwi_no_twiddle_15",
 439      (void (*)()) fftwi_no_twiddle_15,
 440      15,
 441      FFTW_BACKWARD,
 442      FFTW_NOTW,
 443      342,
 444      0,
 445      (const int *) 0,
 446 };