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ftw_16.c
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1 /*
2 * Copyright (c) 1997-1999, 2003 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 Mon Mar 24 02:07:43 EST 2003 */
22
23 #include "fftw-int.h"
24 #include "fftw.h"
25
26 /* Generated by: /homee/stevenj/cvs/fftw/gensrc/genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -twiddle 16 */
27
28 /*
29 * This function contains 174 FP additions, 84 FP multiplications,
30 * (or, 136 additions, 46 multiplications, 38 fused multiply/add),
31 * 50 stack variables, and 64 memory accesses
32 */
33 static const fftw_real K382683432 =
34 FFTW_KONST(+0.382683432365089771728459984030398866761344562);
35 static const fftw_real K923879532 =
36 FFTW_KONST(+0.923879532511286756128183189396788286822416626);
37 static const fftw_real K707106781 =
38 FFTW_KONST(+0.707106781186547524400844362104849039284835938);
39
40 /*
41 * Generator Id's :
42 * $Id: exprdag.ml,v 1.43 2003/03/16 23:43:46 stevenj Exp $
43 * $Id: fft.ml,v 1.44 2003/03/16 23:43:46 stevenj Exp $
44 * $Id: to_c.ml,v 1.26 2003/03/16 23:43:46 stevenj Exp $
45 */
46
47 void fftw_twiddle_16(fftw_complex *A, const fftw_complex *W, int iostride,
48 int m, int dist)
49 {
50 int i;
51 fftw_complex *inout;
52 inout = A;
53 for (i = m; i > 0; i = i - 1, inout = inout + dist, W = W + 15) {
54 fftw_real tmp7;
55 fftw_real tmp91;
56 fftw_real tmp180;
57 fftw_real tmp193;
58 fftw_real tmp18;
59 fftw_real tmp194;
60 fftw_real tmp94;
61 fftw_real tmp177;
62 fftw_real tmp77;
63 fftw_real tmp88;
64 fftw_real tmp161;
65 fftw_real tmp128;
66 fftw_real tmp144;
67 fftw_real tmp162;
68 fftw_real tmp163;
69 fftw_real tmp164;
70 fftw_real tmp123;
71 fftw_real tmp143;
72 fftw_real tmp30;
73 fftw_real tmp152;
74 fftw_real tmp100;
75 fftw_real tmp136;
76 fftw_real tmp41;
77 fftw_real tmp153;
78 fftw_real tmp105;
79 fftw_real tmp137;
80 fftw_real tmp54;
81 fftw_real tmp65;
82 fftw_real tmp156;
83 fftw_real tmp117;
84 fftw_real tmp141;
85 fftw_real tmp157;
86 fftw_real tmp158;
87 fftw_real tmp159;
88 fftw_real tmp112;
89 fftw_real tmp140;
90 ASSERT_ALIGNED_DOUBLE;
91 {
92 fftw_real tmp1;
93 fftw_real tmp179;
94 fftw_real tmp6;
95 fftw_real tmp178;
96 ASSERT_ALIGNED_DOUBLE;
97 tmp1 = c_re(inout[0]);
98 tmp179 = c_im(inout[0]);
99 {
100 fftw_real tmp3;
101 fftw_real tmp5;
102 fftw_real tmp2;
103 fftw_real tmp4;
104 ASSERT_ALIGNED_DOUBLE;
105 tmp3 = c_re(inout[8 * iostride]);
106 tmp5 = c_im(inout[8 * iostride]);
107 tmp2 = c_re(W[7]);
108 tmp4 = c_im(W[7]);
109 tmp6 = (tmp2 * tmp3) - (tmp4 * tmp5);
110 tmp178 = (tmp4 * tmp3) + (tmp2 * tmp5);
111 }
112 tmp7 = tmp1 + tmp6;
113 tmp91 = tmp1 - tmp6;
114 tmp180 = tmp178 + tmp179;
115 tmp193 = tmp179 - tmp178;
116 }
117 {
118 fftw_real tmp12;
119 fftw_real tmp92;
120 fftw_real tmp17;
121 fftw_real tmp93;
122 ASSERT_ALIGNED_DOUBLE;
123 {
124 fftw_real tmp9;
125 fftw_real tmp11;
126 fftw_real tmp8;
127 fftw_real tmp10;
128 ASSERT_ALIGNED_DOUBLE;
129 tmp9 = c_re(inout[4 * iostride]);
130 tmp11 = c_im(inout[4 * iostride]);
131 tmp8 = c_re(W[3]);
132 tmp10 = c_im(W[3]);
133 tmp12 = (tmp8 * tmp9) - (tmp10 * tmp11);
134 tmp92 = (tmp10 * tmp9) + (tmp8 * tmp11);
135 }
136 {
137 fftw_real tmp14;
138 fftw_real tmp16;
139 fftw_real tmp13;
140 fftw_real tmp15;
141 ASSERT_ALIGNED_DOUBLE;
142 tmp14 = c_re(inout[12 * iostride]);
143 tmp16 = c_im(inout[12 * iostride]);
144 tmp13 = c_re(W[11]);
145 tmp15 = c_im(W[11]);
146 tmp17 = (tmp13 * tmp14) - (tmp15 * tmp16);
147 tmp93 = (tmp15 * tmp14) + (tmp13 * tmp16);
148 }
149 tmp18 = tmp12 + tmp17;
150 tmp194 = tmp12 - tmp17;
151 tmp94 = tmp92 - tmp93;
152 tmp177 = tmp92 + tmp93;
153 }
154 {
155 fftw_real tmp71;
156 fftw_real tmp124;
157 fftw_real tmp87;
158 fftw_real tmp121;
159 fftw_real tmp76;
160 fftw_real tmp125;
161 fftw_real tmp82;
162 fftw_real tmp120;
163 ASSERT_ALIGNED_DOUBLE;
164 {
165 fftw_real tmp68;
166 fftw_real tmp70;
167 fftw_real tmp67;
168 fftw_real tmp69;
169 ASSERT_ALIGNED_DOUBLE;
170 tmp68 = c_re(inout[15 * iostride]);
171 tmp70 = c_im(inout[15 * iostride]);
172 tmp67 = c_re(W[14]);
173 tmp69 = c_im(W[14]);
174 tmp71 = (tmp67 * tmp68) - (tmp69 * tmp70);
175 tmp124 = (tmp69 * tmp68) + (tmp67 * tmp70);
176 }
177 {
178 fftw_real tmp84;
179 fftw_real tmp86;
180 fftw_real tmp83;
181 fftw_real tmp85;
182 ASSERT_ALIGNED_DOUBLE;
183 tmp84 = c_re(inout[11 * iostride]);
184 tmp86 = c_im(inout[11 * iostride]);
185 tmp83 = c_re(W[10]);
186 tmp85 = c_im(W[10]);
187 tmp87 = (tmp83 * tmp84) - (tmp85 * tmp86);
188 tmp121 = (tmp85 * tmp84) + (tmp83 * tmp86);
189 }
190 {
191 fftw_real tmp73;
192 fftw_real tmp75;
193 fftw_real tmp72;
194 fftw_real tmp74;
195 ASSERT_ALIGNED_DOUBLE;
196 tmp73 = c_re(inout[7 * iostride]);
197 tmp75 = c_im(inout[7 * iostride]);
198 tmp72 = c_re(W[6]);
199 tmp74 = c_im(W[6]);
200 tmp76 = (tmp72 * tmp73) - (tmp74 * tmp75);
201 tmp125 = (tmp74 * tmp73) + (tmp72 * tmp75);
202 }
203 {
204 fftw_real tmp79;
205 fftw_real tmp81;
206 fftw_real tmp78;
207 fftw_real tmp80;
208 ASSERT_ALIGNED_DOUBLE;
209 tmp79 = c_re(inout[3 * iostride]);
210 tmp81 = c_im(inout[3 * iostride]);
211 tmp78 = c_re(W[2]);
212 tmp80 = c_im(W[2]);
213 tmp82 = (tmp78 * tmp79) - (tmp80 * tmp81);
214 tmp120 = (tmp80 * tmp79) + (tmp78 * tmp81);
215 }
216 {
217 fftw_real tmp126;
218 fftw_real tmp127;
219 fftw_real tmp119;
220 fftw_real tmp122;
221 ASSERT_ALIGNED_DOUBLE;
222 tmp77 = tmp71 + tmp76;
223 tmp88 = tmp82 + tmp87;
224 tmp161 = tmp77 - tmp88;
225 tmp126 = tmp124 - tmp125;
226 tmp127 = tmp82 - tmp87;
227 tmp128 = tmp126 + tmp127;
228 tmp144 = tmp126 - tmp127;
229 tmp162 = tmp124 + tmp125;
230 tmp163 = tmp120 + tmp121;
231 tmp164 = tmp162 - tmp163;
232 tmp119 = tmp71 - tmp76;
233 tmp122 = tmp120 - tmp121;
234 tmp123 = tmp119 - tmp122;
235 tmp143 = tmp119 + tmp122;
236 }
237 }
238 {
239 fftw_real tmp24;
240 fftw_real tmp96;
241 fftw_real tmp29;
242 fftw_real tmp97;
243 fftw_real tmp98;
244 fftw_real tmp99;
245 ASSERT_ALIGNED_DOUBLE;
246 {
247 fftw_real tmp21;
248 fftw_real tmp23;
249 fftw_real tmp20;
250 fftw_real tmp22;
251 ASSERT_ALIGNED_DOUBLE;
252 tmp21 = c_re(inout[2 * iostride]);
253 tmp23 = c_im(inout[2 * iostride]);
254 tmp20 = c_re(W[1]);
255 tmp22 = c_im(W[1]);
256 tmp24 = (tmp20 * tmp21) - (tmp22 * tmp23);
257 tmp96 = (tmp22 * tmp21) + (tmp20 * tmp23);
258 }
259 {
260 fftw_real tmp26;
261 fftw_real tmp28;
262 fftw_real tmp25;
263 fftw_real tmp27;
264 ASSERT_ALIGNED_DOUBLE;
265 tmp26 = c_re(inout[10 * iostride]);
266 tmp28 = c_im(inout[10 * iostride]);
267 tmp25 = c_re(W[9]);
268 tmp27 = c_im(W[9]);
269 tmp29 = (tmp25 * tmp26) - (tmp27 * tmp28);
270 tmp97 = (tmp27 * tmp26) + (tmp25 * tmp28);
271 }
272 tmp30 = tmp24 + tmp29;
273 tmp152 = tmp96 + tmp97;
274 tmp98 = tmp96 - tmp97;
275 tmp99 = tmp24 - tmp29;
276 tmp100 = tmp98 - tmp99;
277 tmp136 = tmp99 + tmp98;
278 }
279 {
280 fftw_real tmp35;
281 fftw_real tmp102;
282 fftw_real tmp40;
283 fftw_real tmp103;
284 fftw_real tmp101;
285 fftw_real tmp104;
286 ASSERT_ALIGNED_DOUBLE;
287 {
288 fftw_real tmp32;
289 fftw_real tmp34;
290 fftw_real tmp31;
291 fftw_real tmp33;
292 ASSERT_ALIGNED_DOUBLE;
293 tmp32 = c_re(inout[14 * iostride]);
294 tmp34 = c_im(inout[14 * iostride]);
295 tmp31 = c_re(W[13]);
296 tmp33 = c_im(W[13]);
297 tmp35 = (tmp31 * tmp32) - (tmp33 * tmp34);
298 tmp102 = (tmp33 * tmp32) + (tmp31 * tmp34);
299 }
300 {
301 fftw_real tmp37;
302 fftw_real tmp39;
303 fftw_real tmp36;
304 fftw_real tmp38;
305 ASSERT_ALIGNED_DOUBLE;
306 tmp37 = c_re(inout[6 * iostride]);
307 tmp39 = c_im(inout[6 * iostride]);
308 tmp36 = c_re(W[5]);
309 tmp38 = c_im(W[5]);
310 tmp40 = (tmp36 * tmp37) - (tmp38 * tmp39);
311 tmp103 = (tmp38 * tmp37) + (tmp36 * tmp39);
312 }
313 tmp41 = tmp35 + tmp40;
314 tmp153 = tmp102 + tmp103;
315 tmp101 = tmp35 - tmp40;
316 tmp104 = tmp102 - tmp103;
317 tmp105 = tmp101 + tmp104;
318 tmp137 = tmp101 - tmp104;
319 }
320 {
321 fftw_real tmp48;
322 fftw_real tmp108;
323 fftw_real tmp64;
324 fftw_real tmp115;
325 fftw_real tmp53;
326 fftw_real tmp109;
327 fftw_real tmp59;
328 fftw_real tmp114;
329 ASSERT_ALIGNED_DOUBLE;
330 {
331 fftw_real tmp45;
332 fftw_real tmp47;
333 fftw_real tmp44;
334 fftw_real tmp46;
335 ASSERT_ALIGNED_DOUBLE;
336 tmp45 = c_re(inout[iostride]);
337 tmp47 = c_im(inout[iostride]);
338 tmp44 = c_re(W[0]);
339 tmp46 = c_im(W[0]);
340 tmp48 = (tmp44 * tmp45) - (tmp46 * tmp47);
341 tmp108 = (tmp46 * tmp45) + (tmp44 * tmp47);
342 }
343 {
344 fftw_real tmp61;
345 fftw_real tmp63;
346 fftw_real tmp60;
347 fftw_real tmp62;
348 ASSERT_ALIGNED_DOUBLE;
349 tmp61 = c_re(inout[13 * iostride]);
350 tmp63 = c_im(inout[13 * iostride]);
351 tmp60 = c_re(W[12]);
352 tmp62 = c_im(W[12]);
353 tmp64 = (tmp60 * tmp61) - (tmp62 * tmp63);
354 tmp115 = (tmp62 * tmp61) + (tmp60 * tmp63);
355 }
356 {
357 fftw_real tmp50;
358 fftw_real tmp52;
359 fftw_real tmp49;
360 fftw_real tmp51;
361 ASSERT_ALIGNED_DOUBLE;
362 tmp50 = c_re(inout[9 * iostride]);
363 tmp52 = c_im(inout[9 * iostride]);
364 tmp49 = c_re(W[8]);
365 tmp51 = c_im(W[8]);
366 tmp53 = (tmp49 * tmp50) - (tmp51 * tmp52);
367 tmp109 = (tmp51 * tmp50) + (tmp49 * tmp52);
368 }
369 {
370 fftw_real tmp56;
371 fftw_real tmp58;
372 fftw_real tmp55;
373 fftw_real tmp57;
374 ASSERT_ALIGNED_DOUBLE;
375 tmp56 = c_re(inout[5 * iostride]);
376 tmp58 = c_im(inout[5 * iostride]);
377 tmp55 = c_re(W[4]);
378 tmp57 = c_im(W[4]);
379 tmp59 = (tmp55 * tmp56) - (tmp57 * tmp58);
380 tmp114 = (tmp57 * tmp56) + (tmp55 * tmp58);
381 }
382 {
383 fftw_real tmp113;
384 fftw_real tmp116;
385 fftw_real tmp110;
386 fftw_real tmp111;
387 ASSERT_ALIGNED_DOUBLE;
388 tmp54 = tmp48 + tmp53;
389 tmp65 = tmp59 + tmp64;
390 tmp156 = tmp54 - tmp65;
391 tmp113 = tmp48 - tmp53;
392 tmp116 = tmp114 - tmp115;
393 tmp117 = tmp113 - tmp116;
394 tmp141 = tmp113 + tmp116;
395 tmp157 = tmp108 + tmp109;
396 tmp158 = tmp114 + tmp115;
397 tmp159 = tmp157 - tmp158;
398 tmp110 = tmp108 - tmp109;
399 tmp111 = tmp59 - tmp64;
400 tmp112 = tmp110 + tmp111;
401 tmp140 = tmp110 - tmp111;
402 }
403 }
404 {
405 fftw_real tmp107;
406 fftw_real tmp131;
407 fftw_real tmp202;
408 fftw_real tmp204;
409 fftw_real tmp130;
410 fftw_real tmp203;
411 fftw_real tmp134;
412 fftw_real tmp199;
413 ASSERT_ALIGNED_DOUBLE;
414 {
415 fftw_real tmp95;
416 fftw_real tmp106;
417 fftw_real tmp200;
418 fftw_real tmp201;
419 ASSERT_ALIGNED_DOUBLE;
420 tmp95 = tmp91 - tmp94;
421 tmp106 = K707106781 * (tmp100 - tmp105);
422 tmp107 = tmp95 + tmp106;
423 tmp131 = tmp95 - tmp106;
424 tmp200 = K707106781 * (tmp137 - tmp136);
425 tmp201 = tmp194 + tmp193;
426 tmp202 = tmp200 + tmp201;
427 tmp204 = tmp201 - tmp200;
428 }
429 {
430 fftw_real tmp118;
431 fftw_real tmp129;
432 fftw_real tmp132;
433 fftw_real tmp133;
434 ASSERT_ALIGNED_DOUBLE;
435 tmp118 = (K923879532 * tmp112) + (K382683432 * tmp117);
436 tmp129 = (K382683432 * tmp123) - (K923879532 * tmp128);
437 tmp130 = tmp118 + tmp129;
438 tmp203 = tmp129 - tmp118;
439 tmp132 = (K382683432 * tmp112) - (K923879532 * tmp117);
440 tmp133 = (K382683432 * tmp128) + (K923879532 * tmp123);
441 tmp134 = tmp132 - tmp133;
442 tmp199 = tmp132 + tmp133;
443 }
444 c_re(inout[11 * iostride]) = tmp107 - tmp130;
445 c_re(inout[3 * iostride]) = tmp107 + tmp130;
446 c_re(inout[15 * iostride]) = tmp131 - tmp134;
447 c_re(inout[7 * iostride]) = tmp131 + tmp134;
448 c_im(inout[3 * iostride]) = tmp199 + tmp202;
449 c_im(inout[11 * iostride]) = tmp202 - tmp199;
450 c_im(inout[7 * iostride]) = tmp203 + tmp204;
451 c_im(inout[15 * iostride]) = tmp204 - tmp203;
452 }
453 {
454 fftw_real tmp139;
455 fftw_real tmp147;
456 fftw_real tmp196;
457 fftw_real tmp198;
458 fftw_real tmp146;
459 fftw_real tmp197;
460 fftw_real tmp150;
461 fftw_real tmp191;
462 ASSERT_ALIGNED_DOUBLE;
463 {
464 fftw_real tmp135;
465 fftw_real tmp138;
466 fftw_real tmp192;
467 fftw_real tmp195;
468 ASSERT_ALIGNED_DOUBLE;
469 tmp135 = tmp91 + tmp94;
470 tmp138 = K707106781 * (tmp136 + tmp137);
471 tmp139 = tmp135 + tmp138;
472 tmp147 = tmp135 - tmp138;
473 tmp192 = K707106781 * (tmp100 + tmp105);
474 tmp195 = tmp193 - tmp194;
475 tmp196 = tmp192 + tmp195;
476 tmp198 = tmp195 - tmp192;
477 }
478 {
479 fftw_real tmp142;
480 fftw_real tmp145;
481 fftw_real tmp148;
482 fftw_real tmp149;
483 ASSERT_ALIGNED_DOUBLE;
484 tmp142 = (K382683432 * tmp140) + (K923879532 * tmp141);
485 tmp145 = (K923879532 * tmp143) - (K382683432 * tmp144);
486 tmp146 = tmp142 + tmp145;
487 tmp197 = tmp145 - tmp142;
488 tmp148 = (K923879532 * tmp140) - (K382683432 * tmp141);
489 tmp149 = (K923879532 * tmp144) + (K382683432 * tmp143);
490 tmp150 = tmp148 - tmp149;
491 tmp191 = tmp148 + tmp149;
492 }
493 c_re(inout[9 * iostride]) = tmp139 - tmp146;
494 c_re(inout[iostride]) = tmp139 + tmp146;
495 c_re(inout[13 * iostride]) = tmp147 - tmp150;
496 c_re(inout[5 * iostride]) = tmp147 + tmp150;
497 c_im(inout[iostride]) = tmp191 + tmp196;
498 c_im(inout[9 * iostride]) = tmp196 - tmp191;
499 c_im(inout[5 * iostride]) = tmp197 + tmp198;
500 c_im(inout[13 * iostride]) = tmp198 - tmp197;
501 }
502 {
503 fftw_real tmp155;
504 fftw_real tmp167;
505 fftw_real tmp188;
506 fftw_real tmp190;
507 fftw_real tmp166;
508 fftw_real tmp189;
509 fftw_real tmp170;
510 fftw_real tmp185;
511 ASSERT_ALIGNED_DOUBLE;
512 {
513 fftw_real tmp151;
514 fftw_real tmp154;
515 fftw_real tmp186;
516 fftw_real tmp187;
517 ASSERT_ALIGNED_DOUBLE;
518 tmp151 = tmp7 - tmp18;
519 tmp154 = tmp152 - tmp153;
520 tmp155 = tmp151 + tmp154;
521 tmp167 = tmp151 - tmp154;
522 tmp186 = tmp41 - tmp30;
523 tmp187 = tmp180 - tmp177;
524 tmp188 = tmp186 + tmp187;
525 tmp190 = tmp187 - tmp186;
526 }
527 {
528 fftw_real tmp160;
529 fftw_real tmp165;
530 fftw_real tmp168;
531 fftw_real tmp169;
532 ASSERT_ALIGNED_DOUBLE;
533 tmp160 = tmp156 + tmp159;
534 tmp165 = tmp161 - tmp164;
535 tmp166 = K707106781 * (tmp160 + tmp165);
536 tmp189 = K707106781 * (tmp165 - tmp160);
537 tmp168 = tmp159 - tmp156;
538 tmp169 = tmp161 + tmp164;
539 tmp170 = K707106781 * (tmp168 - tmp169);
540 tmp185 = K707106781 * (tmp168 + tmp169);
541 }
542 c_re(inout[10 * iostride]) = tmp155 - tmp166;
543 c_re(inout[2 * iostride]) = tmp155 + tmp166;
544 c_re(inout[14 * iostride]) = tmp167 - tmp170;
545 c_re(inout[6 * iostride]) = tmp167 + tmp170;
546 c_im(inout[2 * iostride]) = tmp185 + tmp188;
547 c_im(inout[10 * iostride]) = tmp188 - tmp185;
548 c_im(inout[6 * iostride]) = tmp189 + tmp190;
549 c_im(inout[14 * iostride]) = tmp190 - tmp189;
550 }
551 {
552 fftw_real tmp43;
553 fftw_real tmp171;
554 fftw_real tmp182;
555 fftw_real tmp184;
556 fftw_real tmp90;
557 fftw_real tmp183;
558 fftw_real tmp174;
559 fftw_real tmp175;
560 ASSERT_ALIGNED_DOUBLE;
561 {
562 fftw_real tmp19;
563 fftw_real tmp42;
564 fftw_real tmp176;
565 fftw_real tmp181;
566 ASSERT_ALIGNED_DOUBLE;
567 tmp19 = tmp7 + tmp18;
568 tmp42 = tmp30 + tmp41;
569 tmp43 = tmp19 + tmp42;
570 tmp171 = tmp19 - tmp42;
571 tmp176 = tmp152 + tmp153;
572 tmp181 = tmp177 + tmp180;
573 tmp182 = tmp176 + tmp181;
574 tmp184 = tmp181 - tmp176;
575 }
576 {
577 fftw_real tmp66;
578 fftw_real tmp89;
579 fftw_real tmp172;
580 fftw_real tmp173;
581 ASSERT_ALIGNED_DOUBLE;
582 tmp66 = tmp54 + tmp65;
583 tmp89 = tmp77 + tmp88;
584 tmp90 = tmp66 + tmp89;
585 tmp183 = tmp89 - tmp66;
586 tmp172 = tmp157 + tmp158;
587 tmp173 = tmp162 + tmp163;
588 tmp174 = tmp172 - tmp173;
589 tmp175 = tmp172 + tmp173;
590 }
591 c_re(inout[8 * iostride]) = tmp43 - tmp90;
592 c_re(inout[0]) = tmp43 + tmp90;
593 c_re(inout[12 * iostride]) = tmp171 - tmp174;
594 c_re(inout[4 * iostride]) = tmp171 + tmp174;
595 c_im(inout[0]) = tmp175 + tmp182;
596 c_im(inout[8 * iostride]) = tmp182 - tmp175;
597 c_im(inout[4 * iostride]) = tmp183 + tmp184;
598 c_im(inout[12 * iostride]) = tmp184 - tmp183;
599 }
600 }
601 }
602
603 static const int twiddle_order[] =
604 { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
605 fftw_codelet_desc fftw_twiddle_16_desc = {
606 "fftw_twiddle_16",
607 (void (*)()) fftw_twiddle_16,
608 16,
609 FFTW_FORWARD,
610 FFTW_TWIDDLE,
611 352,
612 15,
613 twiddle_order,
614 };
fftw_codelet_desc
Definition: fftw.h:126
fftw-int.h
fftw_complex
Definition: fftw.h:57
FFTW_KONST
#define FFTW_KONST(x)
Definition: fftw-int.h:178
fftw.h
FFTW_TWIDDLE
Definition: fftw.h:121
fftw_twiddle_16_desc
fftw_codelet_desc fftw_twiddle_16_desc
Definition: ftw_16.c:605
c_re
#define c_re(c)
Definition: fftw.h:60
ASSERT_ALIGNED_DOUBLE
#define ASSERT_ALIGNED_DOUBLE
Definition: fftw-int.h:236
c_im
#define c_im(c)
Definition: fftw.h:61
fftw_twiddle_16
void fftw_twiddle_16(fftw_complex *A, const fftw_complex *W, int iostride, int m, int dist)
Definition: ftw_16.c:47
fftw_real
float fftw_real
Definition: fftw.h:49
FFTW_FORWARD
Definition: fftw.h:64