Rev 2 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
2 | pj | 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 <ports/fftw-int.h> |
||
24 | #include <ports/fftw.h> |
||
25 | |||
26 | /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddleinv 16 */ |
||
27 | |||
28 | /* |
||
29 | * This function contains 144 FP additions, 24 FP multiplications, |
||
30 | * (or, 136 additions, 16 multiplications, 8 fused multiply/add), |
||
31 | * 46 stack variables, and 64 memory accesses |
||
32 | */ |
||
33 | static const fftw_real K382683432 = FFTW_KONST(+0.382683432365089771728459984030398866761344562); |
||
34 | static const fftw_real K923879532 = FFTW_KONST(+0.923879532511286756128183189396788286822416626); |
||
35 | static const fftw_real K707106781 = FFTW_KONST(+0.707106781186547524400844362104849039284835938); |
||
36 | |||
37 | /* |
||
38 | * Generator Id's : |
||
39 | * $Id: fni_16.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $ |
||
40 | * $Id: fni_16.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $ |
||
41 | * $Id: fni_16.c,v 1.1.1.1 2002-03-29 14:12:56 pj Exp $ |
||
42 | */ |
||
43 | |||
44 | void fftwi_no_twiddle_16(const fftw_complex *input, fftw_complex *output, int istride, int ostride) |
||
45 | { |
||
46 | fftw_real tmp7; |
||
47 | fftw_real tmp129; |
||
48 | fftw_real tmp38; |
||
49 | fftw_real tmp115; |
||
50 | fftw_real tmp49; |
||
51 | fftw_real tmp95; |
||
52 | fftw_real tmp83; |
||
53 | fftw_real tmp105; |
||
54 | fftw_real tmp29; |
||
55 | fftw_real tmp123; |
||
56 | fftw_real tmp73; |
||
57 | fftw_real tmp101; |
||
58 | fftw_real tmp78; |
||
59 | fftw_real tmp102; |
||
60 | fftw_real tmp126; |
||
61 | fftw_real tmp141; |
||
62 | fftw_real tmp14; |
||
63 | fftw_real tmp116; |
||
64 | fftw_real tmp45; |
||
65 | fftw_real tmp130; |
||
66 | fftw_real tmp52; |
||
67 | fftw_real tmp84; |
||
68 | fftw_real tmp55; |
||
69 | fftw_real tmp85; |
||
70 | fftw_real tmp22; |
||
71 | fftw_real tmp118; |
||
72 | fftw_real tmp62; |
||
73 | fftw_real tmp98; |
||
74 | fftw_real tmp67; |
||
75 | fftw_real tmp99; |
||
76 | fftw_real tmp121; |
||
77 | fftw_real tmp140; |
||
78 | ASSERT_ALIGNED_DOUBLE(); |
||
79 | { |
||
80 | fftw_real tmp3; |
||
81 | fftw_real tmp81; |
||
82 | fftw_real tmp34; |
||
83 | fftw_real tmp48; |
||
84 | fftw_real tmp6; |
||
85 | fftw_real tmp47; |
||
86 | fftw_real tmp37; |
||
87 | fftw_real tmp82; |
||
88 | ASSERT_ALIGNED_DOUBLE(); |
||
89 | { |
||
90 | fftw_real tmp1; |
||
91 | fftw_real tmp2; |
||
92 | fftw_real tmp32; |
||
93 | fftw_real tmp33; |
||
94 | ASSERT_ALIGNED_DOUBLE(); |
||
95 | tmp1 = c_re(input[0]); |
||
96 | tmp2 = c_re(input[8 * istride]); |
||
97 | tmp3 = tmp1 + tmp2; |
||
98 | tmp81 = tmp1 - tmp2; |
||
99 | tmp32 = c_im(input[0]); |
||
100 | tmp33 = c_im(input[8 * istride]); |
||
101 | tmp34 = tmp32 + tmp33; |
||
102 | tmp48 = tmp32 - tmp33; |
||
103 | } |
||
104 | { |
||
105 | fftw_real tmp4; |
||
106 | fftw_real tmp5; |
||
107 | fftw_real tmp35; |
||
108 | fftw_real tmp36; |
||
109 | ASSERT_ALIGNED_DOUBLE(); |
||
110 | tmp4 = c_re(input[4 * istride]); |
||
111 | tmp5 = c_re(input[12 * istride]); |
||
112 | tmp6 = tmp4 + tmp5; |
||
113 | tmp47 = tmp4 - tmp5; |
||
114 | tmp35 = c_im(input[4 * istride]); |
||
115 | tmp36 = c_im(input[12 * istride]); |
||
116 | tmp37 = tmp35 + tmp36; |
||
117 | tmp82 = tmp35 - tmp36; |
||
118 | } |
||
119 | tmp7 = tmp3 + tmp6; |
||
120 | tmp129 = tmp3 - tmp6; |
||
121 | tmp38 = tmp34 + tmp37; |
||
122 | tmp115 = tmp34 - tmp37; |
||
123 | tmp49 = tmp47 + tmp48; |
||
124 | tmp95 = tmp48 - tmp47; |
||
125 | tmp83 = tmp81 - tmp82; |
||
126 | tmp105 = tmp81 + tmp82; |
||
127 | } |
||
128 | { |
||
129 | fftw_real tmp25; |
||
130 | fftw_real tmp74; |
||
131 | fftw_real tmp72; |
||
132 | fftw_real tmp124; |
||
133 | fftw_real tmp28; |
||
134 | fftw_real tmp69; |
||
135 | fftw_real tmp77; |
||
136 | fftw_real tmp125; |
||
137 | ASSERT_ALIGNED_DOUBLE(); |
||
138 | { |
||
139 | fftw_real tmp23; |
||
140 | fftw_real tmp24; |
||
141 | fftw_real tmp70; |
||
142 | fftw_real tmp71; |
||
143 | ASSERT_ALIGNED_DOUBLE(); |
||
144 | tmp23 = c_re(input[15 * istride]); |
||
145 | tmp24 = c_re(input[7 * istride]); |
||
146 | tmp25 = tmp23 + tmp24; |
||
147 | tmp74 = tmp23 - tmp24; |
||
148 | tmp70 = c_im(input[15 * istride]); |
||
149 | tmp71 = c_im(input[7 * istride]); |
||
150 | tmp72 = tmp70 - tmp71; |
||
151 | tmp124 = tmp70 + tmp71; |
||
152 | } |
||
153 | { |
||
154 | fftw_real tmp26; |
||
155 | fftw_real tmp27; |
||
156 | fftw_real tmp75; |
||
157 | fftw_real tmp76; |
||
158 | ASSERT_ALIGNED_DOUBLE(); |
||
159 | tmp26 = c_re(input[3 * istride]); |
||
160 | tmp27 = c_re(input[11 * istride]); |
||
161 | tmp28 = tmp26 + tmp27; |
||
162 | tmp69 = tmp26 - tmp27; |
||
163 | tmp75 = c_im(input[3 * istride]); |
||
164 | tmp76 = c_im(input[11 * istride]); |
||
165 | tmp77 = tmp75 - tmp76; |
||
166 | tmp125 = tmp75 + tmp76; |
||
167 | } |
||
168 | tmp29 = tmp25 + tmp28; |
||
169 | tmp123 = tmp25 - tmp28; |
||
170 | tmp73 = tmp69 + tmp72; |
||
171 | tmp101 = tmp72 - tmp69; |
||
172 | tmp78 = tmp74 - tmp77; |
||
173 | tmp102 = tmp74 + tmp77; |
||
174 | tmp126 = tmp124 - tmp125; |
||
175 | tmp141 = tmp124 + tmp125; |
||
176 | } |
||
177 | { |
||
178 | fftw_real tmp10; |
||
179 | fftw_real tmp50; |
||
180 | fftw_real tmp41; |
||
181 | fftw_real tmp51; |
||
182 | fftw_real tmp13; |
||
183 | fftw_real tmp54; |
||
184 | fftw_real tmp44; |
||
185 | fftw_real tmp53; |
||
186 | ASSERT_ALIGNED_DOUBLE(); |
||
187 | { |
||
188 | fftw_real tmp8; |
||
189 | fftw_real tmp9; |
||
190 | fftw_real tmp39; |
||
191 | fftw_real tmp40; |
||
192 | ASSERT_ALIGNED_DOUBLE(); |
||
193 | tmp8 = c_re(input[2 * istride]); |
||
194 | tmp9 = c_re(input[10 * istride]); |
||
195 | tmp10 = tmp8 + tmp9; |
||
196 | tmp50 = tmp8 - tmp9; |
||
197 | tmp39 = c_im(input[2 * istride]); |
||
198 | tmp40 = c_im(input[10 * istride]); |
||
199 | tmp41 = tmp39 + tmp40; |
||
200 | tmp51 = tmp39 - tmp40; |
||
201 | } |
||
202 | { |
||
203 | fftw_real tmp11; |
||
204 | fftw_real tmp12; |
||
205 | fftw_real tmp42; |
||
206 | fftw_real tmp43; |
||
207 | ASSERT_ALIGNED_DOUBLE(); |
||
208 | tmp11 = c_re(input[14 * istride]); |
||
209 | tmp12 = c_re(input[6 * istride]); |
||
210 | tmp13 = tmp11 + tmp12; |
||
211 | tmp54 = tmp11 - tmp12; |
||
212 | tmp42 = c_im(input[14 * istride]); |
||
213 | tmp43 = c_im(input[6 * istride]); |
||
214 | tmp44 = tmp42 + tmp43; |
||
215 | tmp53 = tmp42 - tmp43; |
||
216 | } |
||
217 | tmp14 = tmp10 + tmp13; |
||
218 | tmp116 = tmp10 - tmp13; |
||
219 | tmp45 = tmp41 + tmp44; |
||
220 | tmp130 = tmp44 - tmp41; |
||
221 | tmp52 = tmp50 + tmp51; |
||
222 | tmp84 = tmp50 - tmp51; |
||
223 | tmp55 = tmp53 - tmp54; |
||
224 | tmp85 = tmp54 + tmp53; |
||
225 | } |
||
226 | { |
||
227 | fftw_real tmp18; |
||
228 | fftw_real tmp63; |
||
229 | fftw_real tmp61; |
||
230 | fftw_real tmp119; |
||
231 | fftw_real tmp21; |
||
232 | fftw_real tmp58; |
||
233 | fftw_real tmp66; |
||
234 | fftw_real tmp120; |
||
235 | ASSERT_ALIGNED_DOUBLE(); |
||
236 | { |
||
237 | fftw_real tmp16; |
||
238 | fftw_real tmp17; |
||
239 | fftw_real tmp59; |
||
240 | fftw_real tmp60; |
||
241 | ASSERT_ALIGNED_DOUBLE(); |
||
242 | tmp16 = c_re(input[istride]); |
||
243 | tmp17 = c_re(input[9 * istride]); |
||
244 | tmp18 = tmp16 + tmp17; |
||
245 | tmp63 = tmp16 - tmp17; |
||
246 | tmp59 = c_im(input[istride]); |
||
247 | tmp60 = c_im(input[9 * istride]); |
||
248 | tmp61 = tmp59 - tmp60; |
||
249 | tmp119 = tmp59 + tmp60; |
||
250 | } |
||
251 | { |
||
252 | fftw_real tmp19; |
||
253 | fftw_real tmp20; |
||
254 | fftw_real tmp64; |
||
255 | fftw_real tmp65; |
||
256 | ASSERT_ALIGNED_DOUBLE(); |
||
257 | tmp19 = c_re(input[5 * istride]); |
||
258 | tmp20 = c_re(input[13 * istride]); |
||
259 | tmp21 = tmp19 + tmp20; |
||
260 | tmp58 = tmp19 - tmp20; |
||
261 | tmp64 = c_im(input[5 * istride]); |
||
262 | tmp65 = c_im(input[13 * istride]); |
||
263 | tmp66 = tmp64 - tmp65; |
||
264 | tmp120 = tmp64 + tmp65; |
||
265 | } |
||
266 | tmp22 = tmp18 + tmp21; |
||
267 | tmp118 = tmp18 - tmp21; |
||
268 | tmp62 = tmp58 + tmp61; |
||
269 | tmp98 = tmp61 - tmp58; |
||
270 | tmp67 = tmp63 - tmp66; |
||
271 | tmp99 = tmp63 + tmp66; |
||
272 | tmp121 = tmp119 - tmp120; |
||
273 | tmp140 = tmp119 + tmp120; |
||
274 | } |
||
275 | { |
||
276 | fftw_real tmp15; |
||
277 | fftw_real tmp30; |
||
278 | fftw_real tmp31; |
||
279 | fftw_real tmp46; |
||
280 | ASSERT_ALIGNED_DOUBLE(); |
||
281 | tmp15 = tmp7 + tmp14; |
||
282 | tmp30 = tmp22 + tmp29; |
||
283 | c_re(output[8 * ostride]) = tmp15 - tmp30; |
||
284 | c_re(output[0]) = tmp15 + tmp30; |
||
285 | tmp31 = tmp22 - tmp29; |
||
286 | tmp46 = tmp38 - tmp45; |
||
287 | c_im(output[4 * ostride]) = tmp31 + tmp46; |
||
288 | c_im(output[12 * ostride]) = tmp46 - tmp31; |
||
289 | } |
||
290 | { |
||
291 | fftw_real tmp139; |
||
292 | fftw_real tmp142; |
||
293 | fftw_real tmp143; |
||
294 | fftw_real tmp144; |
||
295 | ASSERT_ALIGNED_DOUBLE(); |
||
296 | tmp139 = tmp38 + tmp45; |
||
297 | tmp142 = tmp140 + tmp141; |
||
298 | c_im(output[8 * ostride]) = tmp139 - tmp142; |
||
299 | c_im(output[0]) = tmp139 + tmp142; |
||
300 | tmp143 = tmp7 - tmp14; |
||
301 | tmp144 = tmp141 - tmp140; |
||
302 | c_re(output[12 * ostride]) = tmp143 - tmp144; |
||
303 | c_re(output[4 * ostride]) = tmp143 + tmp144; |
||
304 | } |
||
305 | { |
||
306 | fftw_real tmp117; |
||
307 | fftw_real tmp131; |
||
308 | fftw_real tmp128; |
||
309 | fftw_real tmp132; |
||
310 | fftw_real tmp122; |
||
311 | fftw_real tmp127; |
||
312 | ASSERT_ALIGNED_DOUBLE(); |
||
313 | tmp117 = tmp115 - tmp116; |
||
314 | tmp131 = tmp129 + tmp130; |
||
315 | tmp122 = tmp118 - tmp121; |
||
316 | tmp127 = tmp123 + tmp126; |
||
317 | tmp128 = K707106781 * (tmp122 - tmp127); |
||
318 | tmp132 = K707106781 * (tmp122 + tmp127); |
||
319 | c_im(output[14 * ostride]) = tmp117 - tmp128; |
||
320 | c_im(output[6 * ostride]) = tmp117 + tmp128; |
||
321 | c_re(output[10 * ostride]) = tmp131 - tmp132; |
||
322 | c_re(output[2 * ostride]) = tmp131 + tmp132; |
||
323 | } |
||
324 | { |
||
325 | fftw_real tmp133; |
||
326 | fftw_real tmp137; |
||
327 | fftw_real tmp136; |
||
328 | fftw_real tmp138; |
||
329 | fftw_real tmp134; |
||
330 | fftw_real tmp135; |
||
331 | ASSERT_ALIGNED_DOUBLE(); |
||
332 | tmp133 = tmp116 + tmp115; |
||
333 | tmp137 = tmp129 - tmp130; |
||
334 | tmp134 = tmp118 + tmp121; |
||
335 | tmp135 = tmp126 - tmp123; |
||
336 | tmp136 = K707106781 * (tmp134 + tmp135); |
||
337 | tmp138 = K707106781 * (tmp135 - tmp134); |
||
338 | c_im(output[10 * ostride]) = tmp133 - tmp136; |
||
339 | c_im(output[2 * ostride]) = tmp133 + tmp136; |
||
340 | c_re(output[14 * ostride]) = tmp137 - tmp138; |
||
341 | c_re(output[6 * ostride]) = tmp137 + tmp138; |
||
342 | } |
||
343 | { |
||
344 | fftw_real tmp57; |
||
345 | fftw_real tmp89; |
||
346 | fftw_real tmp92; |
||
347 | fftw_real tmp94; |
||
348 | fftw_real tmp87; |
||
349 | fftw_real tmp93; |
||
350 | fftw_real tmp80; |
||
351 | fftw_real tmp88; |
||
352 | ASSERT_ALIGNED_DOUBLE(); |
||
353 | { |
||
354 | fftw_real tmp56; |
||
355 | fftw_real tmp90; |
||
356 | fftw_real tmp91; |
||
357 | fftw_real tmp86; |
||
358 | fftw_real tmp68; |
||
359 | fftw_real tmp79; |
||
360 | ASSERT_ALIGNED_DOUBLE(); |
||
361 | tmp56 = K707106781 * (tmp52 + tmp55); |
||
362 | tmp57 = tmp49 + tmp56; |
||
363 | tmp89 = tmp49 - tmp56; |
||
364 | tmp90 = (K923879532 * tmp67) - (K382683432 * tmp62); |
||
365 | tmp91 = (K382683432 * tmp73) + (K923879532 * tmp78); |
||
366 | tmp92 = tmp90 - tmp91; |
||
367 | tmp94 = tmp90 + tmp91; |
||
368 | tmp86 = K707106781 * (tmp84 + tmp85); |
||
369 | tmp87 = tmp83 - tmp86; |
||
370 | tmp93 = tmp83 + tmp86; |
||
371 | tmp68 = (K923879532 * tmp62) + (K382683432 * tmp67); |
||
372 | tmp79 = (K923879532 * tmp73) - (K382683432 * tmp78); |
||
373 | tmp80 = tmp68 + tmp79; |
||
374 | tmp88 = tmp79 - tmp68; |
||
375 | } |
||
376 | c_im(output[9 * ostride]) = tmp57 - tmp80; |
||
377 | c_im(output[ostride]) = tmp57 + tmp80; |
||
378 | c_re(output[13 * ostride]) = tmp87 - tmp88; |
||
379 | c_re(output[5 * ostride]) = tmp87 + tmp88; |
||
380 | c_im(output[13 * ostride]) = tmp89 - tmp92; |
||
381 | c_im(output[5 * ostride]) = tmp89 + tmp92; |
||
382 | c_re(output[9 * ostride]) = tmp93 - tmp94; |
||
383 | c_re(output[ostride]) = tmp93 + tmp94; |
||
384 | } |
||
385 | { |
||
386 | fftw_real tmp97; |
||
387 | fftw_real tmp109; |
||
388 | fftw_real tmp112; |
||
389 | fftw_real tmp114; |
||
390 | fftw_real tmp107; |
||
391 | fftw_real tmp113; |
||
392 | fftw_real tmp104; |
||
393 | fftw_real tmp108; |
||
394 | ASSERT_ALIGNED_DOUBLE(); |
||
395 | { |
||
396 | fftw_real tmp96; |
||
397 | fftw_real tmp110; |
||
398 | fftw_real tmp111; |
||
399 | fftw_real tmp106; |
||
400 | fftw_real tmp100; |
||
401 | fftw_real tmp103; |
||
402 | ASSERT_ALIGNED_DOUBLE(); |
||
403 | tmp96 = K707106781 * (tmp84 - tmp85); |
||
404 | tmp97 = tmp95 + tmp96; |
||
405 | tmp109 = tmp95 - tmp96; |
||
406 | tmp110 = (K382683432 * tmp99) - (K923879532 * tmp98); |
||
407 | tmp111 = (K923879532 * tmp101) + (K382683432 * tmp102); |
||
408 | tmp112 = tmp110 - tmp111; |
||
409 | tmp114 = tmp110 + tmp111; |
||
410 | tmp106 = K707106781 * (tmp55 - tmp52); |
||
411 | tmp107 = tmp105 - tmp106; |
||
412 | tmp113 = tmp105 + tmp106; |
||
413 | tmp100 = (K382683432 * tmp98) + (K923879532 * tmp99); |
||
414 | tmp103 = (K382683432 * tmp101) - (K923879532 * tmp102); |
||
415 | tmp104 = tmp100 + tmp103; |
||
416 | tmp108 = tmp103 - tmp100; |
||
417 | } |
||
418 | c_im(output[11 * ostride]) = tmp97 - tmp104; |
||
419 | c_im(output[3 * ostride]) = tmp97 + tmp104; |
||
420 | c_re(output[15 * ostride]) = tmp107 - tmp108; |
||
421 | c_re(output[7 * ostride]) = tmp107 + tmp108; |
||
422 | c_im(output[15 * ostride]) = tmp109 - tmp112; |
||
423 | c_im(output[7 * ostride]) = tmp109 + tmp112; |
||
424 | c_re(output[11 * ostride]) = tmp113 - tmp114; |
||
425 | c_re(output[3 * ostride]) = tmp113 + tmp114; |
||
426 | } |
||
427 | } |
||
428 | |||
429 | fftw_codelet_desc fftwi_no_twiddle_16_desc = |
||
430 | { |
||
431 | "fftwi_no_twiddle_16", |
||
432 | (void (*)()) fftwi_no_twiddle_16, |
||
433 | 16, |
||
434 | FFTW_BACKWARD, |
||
435 | FFTW_NOTW, |
||
436 | 364, |
||
437 | 0, |
||
438 | (const int *) 0, |
||
439 | }; |