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1 | // -*- C++ -*- C forwarding header. |
---|---|
2 | |
3 | // Copyright (C) 1997-2014 Free Software Foundation, Inc. |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free |
6 | // software; you can redistribute it and/or modify it under the |
7 | // terms of the GNU General Public License as published by the |
8 | // Free Software Foundation; either version 3, or (at your option) |
9 | // any later version. |
10 | |
11 | // This library is distributed in the hope that it will be useful, |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | // GNU General Public License for more details. |
15 | |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version |
18 | // 3.1, as published by the Free Software Foundation. |
19 | |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
23 | // <http://www.gnu.org/licenses/>. |
24 | |
25 | /** @file include/cmath |
26 | * This is a Standard C++ Library file. You should @c \#include this file |
27 | * in your programs, rather than any of the @a *.h implementation files. |
28 | * |
29 | * This is the C++ version of the Standard C Library header @c math.h, |
30 | * and its contents are (mostly) the same as that header, but are all |
31 | * contained in the namespace @c std (except for names which are defined |
32 | * as macros in C). |
33 | */ |
34 | |
35 | // |
36 | // ISO C++ 14882: 26.5 C library |
37 | // |
38 | |
39 | #pragma GCC system_header |
40 | |
41 | #include <bits/c++config.h> |
42 | #include <bits/cpp_type_traits.h> |
43 | #include <ext/type_traits.h> |
44 | #include <math.h> |
45 | |
46 | #ifndef _GLIBCXX_CMATH |
47 | #define _GLIBCXX_CMATH 1 |
48 | |
49 | // Get rid of those macros defined in <math.h> in lieu of real functions. |
50 | #undef abs |
51 | #undef div |
52 | #undef acos |
53 | #undef asin |
54 | #undef atan |
55 | #undef atan2 |
56 | #undef ceil |
57 | #undef cos |
58 | #undef cosh |
59 | #undef exp |
60 | #undef fabs |
61 | #undef floor |
62 | #undef fmod |
63 | #undef frexp |
64 | #undef ldexp |
65 | #undef log |
66 | #undef log10 |
67 | #undef modf |
68 | #undef pow |
69 | #undef sin |
70 | #undef sinh |
71 | #undef sqrt |
72 | #undef tan |
73 | #undef tanh |
74 | |
75 | namespace std _GLIBCXX_VISIBILITY(default) |
76 | { |
77 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
78 | |
79 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
80 | inline _GLIBCXX_CONSTEXPR double |
81 | abs(double __x) |
82 | { return __builtin_fabs(__x); } |
83 | #endif |
84 | |
85 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
86 | inline _GLIBCXX_CONSTEXPR float |
87 | abs(float __x) |
88 | { return __builtin_fabsf(__x); } |
89 | |
90 | inline _GLIBCXX_CONSTEXPR long double |
91 | abs(long double __x) |
92 | { return __builtin_fabsl(__x); } |
93 | #endif |
94 | |
95 | template<typename _Tp> |
96 | inline _GLIBCXX_CONSTEXPR |
97 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
98 | double>::__type |
99 | abs(_Tp __x) |
100 | { return __builtin_fabs(__x); } |
101 | |
102 | using ::acos; |
103 | |
104 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
105 | inline _GLIBCXX_CONSTEXPR float |
106 | acos(float __x) |
107 | { return __builtin_acosf(__x); } |
108 | |
109 | inline _GLIBCXX_CONSTEXPR long double |
110 | acos(long double __x) |
111 | { return __builtin_acosl(__x); } |
112 | #endif |
113 | |
114 | template<typename _Tp> |
115 | inline _GLIBCXX_CONSTEXPR |
116 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
117 | double>::__type |
118 | acos(_Tp __x) |
119 | { return __builtin_acos(__x); } |
120 | |
121 | using ::asin; |
122 | |
123 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
124 | inline _GLIBCXX_CONSTEXPR float |
125 | asin(float __x) |
126 | { return __builtin_asinf(__x); } |
127 | |
128 | inline _GLIBCXX_CONSTEXPR long double |
129 | asin(long double __x) |
130 | { return __builtin_asinl(__x); } |
131 | #endif |
132 | |
133 | template<typename _Tp> |
134 | inline _GLIBCXX_CONSTEXPR |
135 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
136 | double>::__type |
137 | asin(_Tp __x) |
138 | { return __builtin_asin(__x); } |
139 | |
140 | using ::atan; |
141 | |
142 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
143 | inline _GLIBCXX_CONSTEXPR float |
144 | atan(float __x) |
145 | { return __builtin_atanf(__x); } |
146 | |
147 | inline _GLIBCXX_CONSTEXPR long double |
148 | atan(long double __x) |
149 | { return __builtin_atanl(__x); } |
150 | #endif |
151 | |
152 | template<typename _Tp> |
153 | inline _GLIBCXX_CONSTEXPR |
154 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
155 | double>::__type |
156 | atan(_Tp __x) |
157 | { return __builtin_atan(__x); } |
158 | |
159 | using ::atan2; |
160 | |
161 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
162 | inline _GLIBCXX_CONSTEXPR float |
163 | atan2(float __y, float __x) |
164 | { return __builtin_atan2f(__y, __x); } |
165 | |
166 | inline _GLIBCXX_CONSTEXPR long double |
167 | atan2(long double __y, long double __x) |
168 | { return __builtin_atan2l(__y, __x); } |
169 | #endif |
170 | |
171 | template<typename _Tp, typename _Up> |
172 | inline _GLIBCXX_CONSTEXPR |
173 | typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
174 | atan2(_Tp __y, _Up __x) |
175 | { |
176 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
177 | return atan2(__type(__y), __type(__x)); |
178 | } |
179 | |
180 | using ::ceil; |
181 | |
182 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
183 | inline _GLIBCXX_CONSTEXPR float |
184 | ceil(float __x) |
185 | { return __builtin_ceilf(__x); } |
186 | |
187 | inline _GLIBCXX_CONSTEXPR long double |
188 | ceil(long double __x) |
189 | { return __builtin_ceill(__x); } |
190 | #endif |
191 | |
192 | template<typename _Tp> |
193 | inline _GLIBCXX_CONSTEXPR |
194 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
195 | double>::__type |
196 | ceil(_Tp __x) |
197 | { return __builtin_ceil(__x); } |
198 | |
199 | using ::cos; |
200 | |
201 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
202 | inline _GLIBCXX_CONSTEXPR float |
203 | cos(float __x) |
204 | { return __builtin_cosf(__x); } |
205 | |
206 | inline _GLIBCXX_CONSTEXPR long double |
207 | cos(long double __x) |
208 | { return __builtin_cosl(__x); } |
209 | #endif |
210 | |
211 | template<typename _Tp> |
212 | inline _GLIBCXX_CONSTEXPR |
213 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
214 | double>::__type |
215 | cos(_Tp __x) |
216 | { return __builtin_cos(__x); } |
217 | |
218 | using ::cosh; |
219 | |
220 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
221 | inline _GLIBCXX_CONSTEXPR float |
222 | cosh(float __x) |
223 | { return __builtin_coshf(__x); } |
224 | |
225 | inline _GLIBCXX_CONSTEXPR long double |
226 | cosh(long double __x) |
227 | { return __builtin_coshl(__x); } |
228 | #endif |
229 | |
230 | template<typename _Tp> |
231 | inline _GLIBCXX_CONSTEXPR |
232 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
233 | double>::__type |
234 | cosh(_Tp __x) |
235 | { return __builtin_cosh(__x); } |
236 | |
237 | using ::exp; |
238 | |
239 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
240 | inline _GLIBCXX_CONSTEXPR float |
241 | exp(float __x) |
242 | { return __builtin_expf(__x); } |
243 | |
244 | inline _GLIBCXX_CONSTEXPR long double |
245 | exp(long double __x) |
246 | { return __builtin_expl(__x); } |
247 | #endif |
248 | |
249 | template<typename _Tp> |
250 | inline _GLIBCXX_CONSTEXPR |
251 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
252 | double>::__type |
253 | exp(_Tp __x) |
254 | { return __builtin_exp(__x); } |
255 | |
256 | using ::fabs; |
257 | |
258 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
259 | inline _GLIBCXX_CONSTEXPR float |
260 | fabs(float __x) |
261 | { return __builtin_fabsf(__x); } |
262 | |
263 | inline _GLIBCXX_CONSTEXPR long double |
264 | fabs(long double __x) |
265 | { return __builtin_fabsl(__x); } |
266 | #endif |
267 | |
268 | template<typename _Tp> |
269 | inline _GLIBCXX_CONSTEXPR |
270 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
271 | double>::__type |
272 | fabs(_Tp __x) |
273 | { return __builtin_fabs(__x); } |
274 | |
275 | using ::floor; |
276 | |
277 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
278 | inline _GLIBCXX_CONSTEXPR float |
279 | floor(float __x) |
280 | { return __builtin_floorf(__x); } |
281 | |
282 | inline _GLIBCXX_CONSTEXPR long double |
283 | floor(long double __x) |
284 | { return __builtin_floorl(__x); } |
285 | #endif |
286 | |
287 | template<typename _Tp> |
288 | inline _GLIBCXX_CONSTEXPR |
289 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
290 | double>::__type |
291 | floor(_Tp __x) |
292 | { return __builtin_floor(__x); } |
293 | |
294 | using ::fmod; |
295 | |
296 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
297 | inline _GLIBCXX_CONSTEXPR float |
298 | fmod(float __x, float __y) |
299 | { return __builtin_fmodf(__x, __y); } |
300 | |
301 | inline _GLIBCXX_CONSTEXPR long double |
302 | fmod(long double __x, long double __y) |
303 | { return __builtin_fmodl(__x, __y); } |
304 | #endif |
305 | |
306 | template<typename _Tp, typename _Up> |
307 | inline _GLIBCXX_CONSTEXPR |
308 | typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
309 | fmod(_Tp __x, _Up __y) |
310 | { |
311 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
312 | return fmod(__type(__x), __type(__y)); |
313 | } |
314 | |
315 | using ::frexp; |
316 | |
317 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
318 | inline float |
319 | frexp(float __x, int* __exp) |
320 | { return __builtin_frexpf(__x, __exp); } |
321 | |
322 | inline long double |
323 | frexp(long double __x, int* __exp) |
324 | { return __builtin_frexpl(__x, __exp); } |
325 | #endif |
326 | |
327 | template<typename _Tp> |
328 | inline _GLIBCXX_CONSTEXPR |
329 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
330 | double>::__type |
331 | frexp(_Tp __x, int* __exp) |
332 | { return __builtin_frexp(__x, __exp); } |
333 | |
334 | using ::ldexp; |
335 | |
336 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
337 | inline _GLIBCXX_CONSTEXPR float |
338 | ldexp(float __x, int __exp) |
339 | { return __builtin_ldexpf(__x, __exp); } |
340 | |
341 | inline _GLIBCXX_CONSTEXPR long double |
342 | ldexp(long double __x, int __exp) |
343 | { return __builtin_ldexpl(__x, __exp); } |
344 | #endif |
345 | |
346 | template<typename _Tp> |
347 | inline _GLIBCXX_CONSTEXPR |
348 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
349 | double>::__type |
350 | ldexp(_Tp __x, int __exp) |
351 | { return __builtin_ldexp(__x, __exp); } |
352 | |
353 | using ::log; |
354 | |
355 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
356 | inline _GLIBCXX_CONSTEXPR float |
357 | log(float __x) |
358 | { return __builtin_logf(__x); } |
359 | |
360 | inline _GLIBCXX_CONSTEXPR long double |
361 | log(long double __x) |
362 | { return __builtin_logl(__x); } |
363 | #endif |
364 | |
365 | template<typename _Tp> |
366 | inline _GLIBCXX_CONSTEXPR |
367 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
368 | double>::__type |
369 | log(_Tp __x) |
370 | { return __builtin_log(__x); } |
371 | |
372 | using ::log10; |
373 | |
374 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
375 | inline _GLIBCXX_CONSTEXPR float |
376 | log10(float __x) |
377 | { return __builtin_log10f(__x); } |
378 | |
379 | inline _GLIBCXX_CONSTEXPR long double |
380 | log10(long double __x) |
381 | { return __builtin_log10l(__x); } |
382 | #endif |
383 | |
384 | template<typename _Tp> |
385 | inline _GLIBCXX_CONSTEXPR |
386 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
387 | double>::__type |
388 | log10(_Tp __x) |
389 | { return __builtin_log10(__x); } |
390 | |
391 | using ::modf; |
392 | |
393 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
394 | inline float |
395 | modf(float __x, float* __iptr) |
396 | { return __builtin_modff(__x, __iptr); } |
397 | |
398 | inline long double |
399 | modf(long double __x, long double* __iptr) |
400 | { return __builtin_modfl(__x, __iptr); } |
401 | #endif |
402 | |
403 | using ::pow; |
404 | |
405 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
406 | inline _GLIBCXX_CONSTEXPR float |
407 | pow(float __x, float __y) |
408 | { return __builtin_powf(__x, __y); } |
409 | |
410 | inline _GLIBCXX_CONSTEXPR long double |
411 | pow(long double __x, long double __y) |
412 | { return __builtin_powl(__x, __y); } |
413 | |
414 | #if __cplusplus < 201103L |
415 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
416 | // DR 550. What should the return type of pow(float,int) be? |
417 | inline double |
418 | pow(double __x, int __i) |
419 | { return __builtin_powi(__x, __i); } |
420 | |
421 | inline float |
422 | pow(float __x, int __n) |
423 | { return __builtin_powif(__x, __n); } |
424 | |
425 | inline long double |
426 | pow(long double __x, int __n) |
427 | { return __builtin_powil(__x, __n); } |
428 | #endif |
429 | #endif |
430 | |
431 | template<typename _Tp, typename _Up> |
432 | inline _GLIBCXX_CONSTEXPR |
433 | typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
434 | pow(_Tp __x, _Up __y) |
435 | { |
436 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
437 | return pow(__type(__x), __type(__y)); |
438 | } |
439 | |
440 | using ::sin; |
441 | |
442 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
443 | inline _GLIBCXX_CONSTEXPR float |
444 | sin(float __x) |
445 | { return __builtin_sinf(__x); } |
446 | |
447 | inline _GLIBCXX_CONSTEXPR long double |
448 | sin(long double __x) |
449 | { return __builtin_sinl(__x); } |
450 | #endif |
451 | |
452 | template<typename _Tp> |
453 | inline _GLIBCXX_CONSTEXPR |
454 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
455 | double>::__type |
456 | sin(_Tp __x) |
457 | { return __builtin_sin(__x); } |
458 | |
459 | using ::sinh; |
460 | |
461 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
462 | inline _GLIBCXX_CONSTEXPR float |
463 | sinh(float __x) |
464 | { return __builtin_sinhf(__x); } |
465 | |
466 | inline _GLIBCXX_CONSTEXPR long double |
467 | sinh(long double __x) |
468 | { return __builtin_sinhl(__x); } |
469 | #endif |
470 | |
471 | template<typename _Tp> |
472 | inline _GLIBCXX_CONSTEXPR |
473 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
474 | double>::__type |
475 | sinh(_Tp __x) |
476 | { return __builtin_sinh(__x); } |
477 | |
478 | using ::sqrt; |
479 | |
480 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
481 | inline _GLIBCXX_CONSTEXPR float |
482 | sqrt(float __x) |
483 | { return __builtin_sqrtf(__x); } |
484 | |
485 | inline _GLIBCXX_CONSTEXPR long double |
486 | sqrt(long double __x) |
487 | { return __builtin_sqrtl(__x); } |
488 | #endif |
489 | |
490 | template<typename _Tp> |
491 | inline _GLIBCXX_CONSTEXPR |
492 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
493 | double>::__type |
494 | sqrt(_Tp __x) |
495 | { return __builtin_sqrt(__x); } |
496 | |
497 | using ::tan; |
498 | |
499 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
500 | inline _GLIBCXX_CONSTEXPR float |
501 | tan(float __x) |
502 | { return __builtin_tanf(__x); } |
503 | |
504 | inline _GLIBCXX_CONSTEXPR long double |
505 | tan(long double __x) |
506 | { return __builtin_tanl(__x); } |
507 | #endif |
508 | |
509 | template<typename _Tp> |
510 | inline _GLIBCXX_CONSTEXPR |
511 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
512 | double>::__type |
513 | tan(_Tp __x) |
514 | { return __builtin_tan(__x); } |
515 | |
516 | using ::tanh; |
517 | |
518 | #ifndef __CORRECT_ISO_CPP_MATH_H_PROTO |
519 | inline _GLIBCXX_CONSTEXPR float |
520 | tanh(float __x) |
521 | { return __builtin_tanhf(__x); } |
522 | |
523 | inline _GLIBCXX_CONSTEXPR long double |
524 | tanh(long double __x) |
525 | { return __builtin_tanhl(__x); } |
526 | #endif |
527 | |
528 | template<typename _Tp> |
529 | inline _GLIBCXX_CONSTEXPR |
530 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
531 | double>::__type |
532 | tanh(_Tp __x) |
533 | { return __builtin_tanh(__x); } |
534 | |
535 | _GLIBCXX_END_NAMESPACE_VERSION |
536 | } // namespace |
537 | |
538 | #if _GLIBCXX_USE_C99_MATH |
539 | #if !_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC |
540 | |
541 | // These are possible macros imported from C99-land. |
542 | #undef fpclassify |
543 | #undef isfinite |
544 | #undef isinf |
545 | #undef isnan |
546 | #undef isnormal |
547 | #undef signbit |
548 | #undef isgreater |
549 | #undef isgreaterequal |
550 | #undef isless |
551 | #undef islessequal |
552 | #undef islessgreater |
553 | #undef isunordered |
554 | |
555 | namespace std _GLIBCXX_VISIBILITY(default) |
556 | { |
557 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
558 | |
559 | #if __cplusplus >= 201103L |
560 | constexpr int |
561 | fpclassify(float __x) |
562 | { return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, |
563 | FP_SUBNORMAL, FP_ZERO, __x); } |
564 | |
565 | constexpr int |
566 | fpclassify(double __x) |
567 | { return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, |
568 | FP_SUBNORMAL, FP_ZERO, __x); } |
569 | |
570 | constexpr int |
571 | fpclassify(long double __x) |
572 | { return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, |
573 | FP_SUBNORMAL, FP_ZERO, __x); } |
574 | |
575 | template<typename _Tp> |
576 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
577 | int>::__type |
578 | fpclassify(_Tp __x) |
579 | { return __x != 0 ? FP_NORMAL : FP_ZERO; } |
580 | |
581 | constexpr bool |
582 | isfinite(float __x) |
583 | { return __builtin_isfinite(__x); } |
584 | |
585 | constexpr bool |
586 | isfinite(double __x) |
587 | { return __builtin_isfinite(__x); } |
588 | |
589 | constexpr bool |
590 | isfinite(long double __x) |
591 | { return __builtin_isfinite(__x); } |
592 | |
593 | template<typename _Tp> |
594 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
595 | bool>::__type |
596 | isfinite(_Tp __x) |
597 | { return true; } |
598 | |
599 | constexpr bool |
600 | isinf(float __x) |
601 | { return __builtin_isinf(__x); } |
602 | |
603 | constexpr bool |
604 | isinf(double __x) |
605 | { return __builtin_isinf(__x); } |
606 | |
607 | constexpr bool |
608 | isinf(long double __x) |
609 | { return __builtin_isinf(__x); } |
610 | |
611 | template<typename _Tp> |
612 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
613 | bool>::__type |
614 | isinf(_Tp __x) |
615 | { return false; } |
616 | |
617 | constexpr bool |
618 | isnan(float __x) |
619 | { return __builtin_isnan(__x); } |
620 | |
621 | constexpr bool |
622 | isnan(double __x) |
623 | { return __builtin_isnan(__x); } |
624 | |
625 | constexpr bool |
626 | isnan(long double __x) |
627 | { return __builtin_isnan(__x); } |
628 | |
629 | template<typename _Tp> |
630 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
631 | bool>::__type |
632 | isnan(_Tp __x) |
633 | { return false; } |
634 | |
635 | constexpr bool |
636 | isnormal(float __x) |
637 | { return __builtin_isnormal(__x); } |
638 | |
639 | constexpr bool |
640 | isnormal(double __x) |
641 | { return __builtin_isnormal(__x); } |
642 | |
643 | constexpr bool |
644 | isnormal(long double __x) |
645 | { return __builtin_isnormal(__x); } |
646 | |
647 | template<typename _Tp> |
648 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
649 | bool>::__type |
650 | isnormal(_Tp __x) |
651 | { return __x != 0 ? true : false; } |
652 | |
653 | // The front-end doesn't provide a type generic builtin (libstdc++/58625). |
654 | constexpr bool |
655 | signbit(float __x) |
656 | { return __builtin_signbitf(__x); } |
657 | |
658 | constexpr bool |
659 | signbit(double __x) |
660 | { return __builtin_signbit(__x); } |
661 | |
662 | constexpr bool |
663 | signbit(long double __x) |
664 | { return __builtin_signbitl(__x); } |
665 | |
666 | template<typename _Tp> |
667 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
668 | bool>::__type |
669 | signbit(_Tp __x) |
670 | { return __x < 0 ? true : false; } |
671 | |
672 | constexpr bool |
673 | isgreater(float __x, float __y) |
674 | { return __builtin_isgreater(__x, __y); } |
675 | |
676 | constexpr bool |
677 | isgreater(double __x, double __y) |
678 | { return __builtin_isgreater(__x, __y); } |
679 | |
680 | constexpr bool |
681 | isgreater(long double __x, long double __y) |
682 | { return __builtin_isgreater(__x, __y); } |
683 | |
684 | template<typename _Tp, typename _Up> |
685 | constexpr typename |
686 | __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value |
687 | && __is_arithmetic<_Up>::__value), bool>::__type |
688 | isgreater(_Tp __x, _Up __y) |
689 | { |
690 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
691 | return __builtin_isgreater(__type(__x), __type(__y)); |
692 | } |
693 | |
694 | constexpr bool |
695 | isgreaterequal(float __x, float __y) |
696 | { return __builtin_isgreaterequal(__x, __y); } |
697 | |
698 | constexpr bool |
699 | isgreaterequal(double __x, double __y) |
700 | { return __builtin_isgreaterequal(__x, __y); } |
701 | |
702 | constexpr bool |
703 | isgreaterequal(long double __x, long double __y) |
704 | { return __builtin_isgreaterequal(__x, __y); } |
705 | |
706 | template<typename _Tp, typename _Up> |
707 | constexpr typename |
708 | __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value |
709 | && __is_arithmetic<_Up>::__value), bool>::__type |
710 | isgreaterequal(_Tp __x, _Up __y) |
711 | { |
712 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
713 | return __builtin_isgreaterequal(__type(__x), __type(__y)); |
714 | } |
715 | |
716 | constexpr bool |
717 | isless(float __x, float __y) |
718 | { return __builtin_isless(__x, __y); } |
719 | |
720 | constexpr bool |
721 | isless(double __x, double __y) |
722 | { return __builtin_isless(__x, __y); } |
723 | |
724 | constexpr bool |
725 | isless(long double __x, long double __y) |
726 | { return __builtin_isless(__x, __y); } |
727 | |
728 | template<typename _Tp, typename _Up> |
729 | constexpr typename |
730 | __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value |
731 | && __is_arithmetic<_Up>::__value), bool>::__type |
732 | isless(_Tp __x, _Up __y) |
733 | { |
734 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
735 | return __builtin_isless(__type(__x), __type(__y)); |
736 | } |
737 | |
738 | constexpr bool |
739 | islessequal(float __x, float __y) |
740 | { return __builtin_islessequal(__x, __y); } |
741 | |
742 | constexpr bool |
743 | islessequal(double __x, double __y) |
744 | { return __builtin_islessequal(__x, __y); } |
745 | |
746 | constexpr bool |
747 | islessequal(long double __x, long double __y) |
748 | { return __builtin_islessequal(__x, __y); } |
749 | |
750 | template<typename _Tp, typename _Up> |
751 | constexpr typename |
752 | __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value |
753 | && __is_arithmetic<_Up>::__value), bool>::__type |
754 | islessequal(_Tp __x, _Up __y) |
755 | { |
756 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
757 | return __builtin_islessequal(__type(__x), __type(__y)); |
758 | } |
759 | |
760 | constexpr bool |
761 | islessgreater(float __x, float __y) |
762 | { return __builtin_islessgreater(__x, __y); } |
763 | |
764 | constexpr bool |
765 | islessgreater(double __x, double __y) |
766 | { return __builtin_islessgreater(__x, __y); } |
767 | |
768 | constexpr bool |
769 | islessgreater(long double __x, long double __y) |
770 | { return __builtin_islessgreater(__x, __y); } |
771 | |
772 | template<typename _Tp, typename _Up> |
773 | constexpr typename |
774 | __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value |
775 | && __is_arithmetic<_Up>::__value), bool>::__type |
776 | islessgreater(_Tp __x, _Up __y) |
777 | { |
778 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
779 | return __builtin_islessgreater(__type(__x), __type(__y)); |
780 | } |
781 | |
782 | constexpr bool |
783 | isunordered(float __x, float __y) |
784 | { return __builtin_isunordered(__x, __y); } |
785 | |
786 | constexpr bool |
787 | isunordered(double __x, double __y) |
788 | { return __builtin_isunordered(__x, __y); } |
789 | |
790 | constexpr bool |
791 | isunordered(long double __x, long double __y) |
792 | { return __builtin_isunordered(__x, __y); } |
793 | |
794 | template<typename _Tp, typename _Up> |
795 | constexpr typename |
796 | __gnu_cxx::__enable_if<(__is_arithmetic<_Tp>::__value |
797 | && __is_arithmetic<_Up>::__value), bool>::__type |
798 | isunordered(_Tp __x, _Up __y) |
799 | { |
800 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
801 | return __builtin_isunordered(__type(__x), __type(__y)); |
802 | } |
803 | |
804 | #else |
805 | |
806 | template<typename _Tp> |
807 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
808 | int>::__type |
809 | fpclassify(_Tp __f) |
810 | { |
811 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
812 | return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, |
813 | FP_SUBNORMAL, FP_ZERO, __type(__f)); |
814 | } |
815 | |
816 | template<typename _Tp> |
817 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
818 | int>::__type |
819 | isfinite(_Tp __f) |
820 | { |
821 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
822 | return __builtin_isfinite(__type(__f)); |
823 | } |
824 | |
825 | template<typename _Tp> |
826 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
827 | int>::__type |
828 | isinf(_Tp __f) |
829 | { |
830 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
831 | return __builtin_isinf(__type(__f)); |
832 | } |
833 | |
834 | template<typename _Tp> |
835 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
836 | int>::__type |
837 | isnan(_Tp __f) |
838 | { |
839 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
840 | return __builtin_isnan(__type(__f)); |
841 | } |
842 | |
843 | template<typename _Tp> |
844 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
845 | int>::__type |
846 | isnormal(_Tp __f) |
847 | { |
848 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
849 | return __builtin_isnormal(__type(__f)); |
850 | } |
851 | |
852 | template<typename _Tp> |
853 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
854 | int>::__type |
855 | signbit(_Tp __f) |
856 | { |
857 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
858 | return __builtin_signbit(__type(__f)); |
859 | } |
860 | |
861 | template<typename _Tp> |
862 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
863 | int>::__type |
864 | isgreater(_Tp __f1, _Tp __f2) |
865 | { |
866 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
867 | return __builtin_isgreater(__type(__f1), __type(__f2)); |
868 | } |
869 | |
870 | template<typename _Tp> |
871 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
872 | int>::__type |
873 | isgreaterequal(_Tp __f1, _Tp __f2) |
874 | { |
875 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
876 | return __builtin_isgreaterequal(__type(__f1), __type(__f2)); |
877 | } |
878 | |
879 | template<typename _Tp> |
880 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
881 | int>::__type |
882 | isless(_Tp __f1, _Tp __f2) |
883 | { |
884 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
885 | return __builtin_isless(__type(__f1), __type(__f2)); |
886 | } |
887 | |
888 | template<typename _Tp> |
889 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
890 | int>::__type |
891 | islessequal(_Tp __f1, _Tp __f2) |
892 | { |
893 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
894 | return __builtin_islessequal(__type(__f1), __type(__f2)); |
895 | } |
896 | |
897 | template<typename _Tp> |
898 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
899 | int>::__type |
900 | islessgreater(_Tp __f1, _Tp __f2) |
901 | { |
902 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
903 | return __builtin_islessgreater(__type(__f1), __type(__f2)); |
904 | } |
905 | |
906 | template<typename _Tp> |
907 | inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, |
908 | int>::__type |
909 | isunordered(_Tp __f1, _Tp __f2) |
910 | { |
911 | typedef typename __gnu_cxx::__promote<_Tp>::__type __type; |
912 | return __builtin_isunordered(__type(__f1), __type(__f2)); |
913 | } |
914 | |
915 | #endif |
916 | |
917 | _GLIBCXX_END_NAMESPACE_VERSION |
918 | } // namespace |
919 | |
920 | #endif /* _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC */ |
921 | #endif |
922 | |
923 | #if __cplusplus >= 201103L |
924 | |
925 | #ifdef _GLIBCXX_USE_C99_MATH_TR1 |
926 | |
927 | #undef acosh |
928 | #undef acoshf |
929 | #undef acoshl |
930 | #undef asinh |
931 | #undef asinhf |
932 | #undef asinhl |
933 | #undef atanh |
934 | #undef atanhf |
935 | #undef atanhl |
936 | #undef cbrt |
937 | #undef cbrtf |
938 | #undef cbrtl |
939 | #undef copysign |
940 | #undef copysignf |
941 | #undef copysignl |
942 | #undef erf |
943 | #undef erff |
944 | #undef erfl |
945 | #undef erfc |
946 | #undef erfcf |
947 | #undef erfcl |
948 | #undef exp2 |
949 | #undef exp2f |
950 | #undef exp2l |
951 | #undef expm1 |
952 | #undef expm1f |
953 | #undef expm1l |
954 | #undef fdim |
955 | #undef fdimf |
956 | #undef fdiml |
957 | #undef fma |
958 | #undef fmaf |
959 | #undef fmal |
960 | #undef fmax |
961 | #undef fmaxf |
962 | #undef fmaxl |
963 | #undef fmin |
964 | #undef fminf |
965 | #undef fminl |
966 | #undef hypot |
967 | #undef hypotf |
968 | #undef hypotl |
969 | #undef ilogb |
970 | #undef ilogbf |
971 | #undef ilogbl |
972 | #undef lgamma |
973 | #undef lgammaf |
974 | #undef lgammal |
975 | #undef llrint |
976 | #undef llrintf |
977 | #undef llrintl |
978 | #undef llround |
979 | #undef llroundf |
980 | #undef llroundl |
981 | #undef log1p |
982 | #undef log1pf |
983 | #undef log1pl |
984 | #undef log2 |
985 | #undef log2f |
986 | #undef log2l |
987 | #undef logb |
988 | #undef logbf |
989 | #undef logbl |
990 | #undef lrint |
991 | #undef lrintf |
992 | #undef lrintl |
993 | #undef lround |
994 | #undef lroundf |
995 | #undef lroundl |
996 | #undef nan |
997 | #undef nanf |
998 | #undef nanl |
999 | #undef nearbyint |
1000 | #undef nearbyintf |
1001 | #undef nearbyintl |
1002 | #undef nextafter |
1003 | #undef nextafterf |
1004 | #undef nextafterl |
1005 | #undef nexttoward |
1006 | #undef nexttowardf |
1007 | #undef nexttowardl |
1008 | #undef remainder |
1009 | #undef remainderf |
1010 | #undef remainderl |
1011 | #undef remquo |
1012 | #undef remquof |
1013 | #undef remquol |
1014 | #undef rint |
1015 | #undef rintf |
1016 | #undef rintl |
1017 | #undef round |
1018 | #undef roundf |
1019 | #undef roundl |
1020 | #undef scalbln |
1021 | #undef scalblnf |
1022 | #undef scalblnl |
1023 | #undef scalbn |
1024 | #undef scalbnf |
1025 | #undef scalbnl |
1026 | #undef tgamma |
1027 | #undef tgammaf |
1028 | #undef tgammal |
1029 | #undef trunc |
1030 | #undef truncf |
1031 | #undef truncl |
1032 | |
1033 | namespace std _GLIBCXX_VISIBILITY(default) |
1034 | { |
1035 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
1036 | |
1037 | // types |
1038 | using ::double_t; |
1039 | using ::float_t; |
1040 | |
1041 | // functions |
1042 | using ::acosh; |
1043 | using ::acoshf; |
1044 | using ::acoshl; |
1045 | |
1046 | using ::asinh; |
1047 | using ::asinhf; |
1048 | using ::asinhl; |
1049 | |
1050 | using ::atanh; |
1051 | using ::atanhf; |
1052 | using ::atanhl; |
1053 | |
1054 | using ::cbrt; |
1055 | using ::cbrtf; |
1056 | using ::cbrtl; |
1057 | |
1058 | using ::copysign; |
1059 | using ::copysignf; |
1060 | using ::copysignl; |
1061 | |
1062 | using ::erf; |
1063 | using ::erff; |
1064 | using ::erfl; |
1065 | |
1066 | using ::erfc; |
1067 | using ::erfcf; |
1068 | using ::erfcl; |
1069 | |
1070 | using ::exp2; |
1071 | using ::exp2f; |
1072 | using ::exp2l; |
1073 | |
1074 | using ::expm1; |
1075 | using ::expm1f; |
1076 | using ::expm1l; |
1077 | |
1078 | using ::fdim; |
1079 | using ::fdimf; |
1080 | using ::fdiml; |
1081 | |
1082 | using ::fma; |
1083 | using ::fmaf; |
1084 | using ::fmal; |
1085 | |
1086 | using ::fmax; |
1087 | using ::fmaxf; |
1088 | using ::fmaxl; |
1089 | |
1090 | using ::fmin; |
1091 | using ::fminf; |
1092 | using ::fminl; |
1093 | |
1094 | using ::hypot; |
1095 | using ::hypotf; |
1096 | using ::hypotl; |
1097 | |
1098 | using ::ilogb; |
1099 | using ::ilogbf; |
1100 | using ::ilogbl; |
1101 | |
1102 | using ::lgamma; |
1103 | using ::lgammaf; |
1104 | using ::lgammal; |
1105 | |
1106 | using ::llrint; |
1107 | using ::llrintf; |
1108 | using ::llrintl; |
1109 | |
1110 | using ::llround; |
1111 | using ::llroundf; |
1112 | using ::llroundl; |
1113 | |
1114 | using ::log1p; |
1115 | using ::log1pf; |
1116 | using ::log1pl; |
1117 | |
1118 | using ::log2; |
1119 | using ::log2f; |
1120 | using ::log2l; |
1121 | |
1122 | using ::logb; |
1123 | using ::logbf; |
1124 | using ::logbl; |
1125 | |
1126 | using ::lrint; |
1127 | using ::lrintf; |
1128 | using ::lrintl; |
1129 | |
1130 | using ::lround; |
1131 | using ::lroundf; |
1132 | using ::lroundl; |
1133 | |
1134 | using ::nan; |
1135 | using ::nanf; |
1136 | using ::nanl; |
1137 | |
1138 | using ::nearbyint; |
1139 | using ::nearbyintf; |
1140 | using ::nearbyintl; |
1141 | |
1142 | using ::nextafter; |
1143 | using ::nextafterf; |
1144 | using ::nextafterl; |
1145 | |
1146 | using ::nexttoward; |
1147 | using ::nexttowardf; |
1148 | using ::nexttowardl; |
1149 | |
1150 | using ::remainder; |
1151 | using ::remainderf; |
1152 | using ::remainderl; |
1153 | |
1154 | using ::remquo; |
1155 | using ::remquof; |
1156 | using ::remquol; |
1157 | |
1158 | using ::rint; |
1159 | using ::rintf; |
1160 | using ::rintl; |
1161 | |
1162 | using ::round; |
1163 | using ::roundf; |
1164 | using ::roundl; |
1165 | |
1166 | using ::scalbln; |
1167 | using ::scalblnf; |
1168 | using ::scalblnl; |
1169 | |
1170 | using ::scalbn; |
1171 | using ::scalbnf; |
1172 | using ::scalbnl; |
1173 | |
1174 | using ::tgamma; |
1175 | using ::tgammaf; |
1176 | using ::tgammal; |
1177 | |
1178 | using ::trunc; |
1179 | using ::truncf; |
1180 | using ::truncl; |
1181 | |
1182 | /// Additional overloads. |
1183 | constexpr float |
1184 | acosh(float __x) |
1185 | { return __builtin_acoshf(__x); } |
1186 | |
1187 | constexpr long double |
1188 | acosh(long double __x) |
1189 | { return __builtin_acoshl(__x); } |
1190 | |
1191 | template<typename _Tp> |
1192 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1193 | double>::__type |
1194 | acosh(_Tp __x) |
1195 | { return __builtin_acosh(__x); } |
1196 | |
1197 | constexpr float |
1198 | asinh(float __x) |
1199 | { return __builtin_asinhf(__x); } |
1200 | |
1201 | constexpr long double |
1202 | asinh(long double __x) |
1203 | { return __builtin_asinhl(__x); } |
1204 | |
1205 | template<typename _Tp> |
1206 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1207 | double>::__type |
1208 | asinh(_Tp __x) |
1209 | { return __builtin_asinh(__x); } |
1210 | |
1211 | constexpr float |
1212 | atanh(float __x) |
1213 | { return __builtin_atanhf(__x); } |
1214 | |
1215 | constexpr long double |
1216 | atanh(long double __x) |
1217 | { return __builtin_atanhl(__x); } |
1218 | |
1219 | template<typename _Tp> |
1220 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1221 | double>::__type |
1222 | atanh(_Tp __x) |
1223 | { return __builtin_atanh(__x); } |
1224 | |
1225 | constexpr float |
1226 | cbrt(float __x) |
1227 | { return __builtin_cbrtf(__x); } |
1228 | |
1229 | constexpr long double |
1230 | cbrt(long double __x) |
1231 | { return __builtin_cbrtl(__x); } |
1232 | |
1233 | template<typename _Tp> |
1234 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1235 | double>::__type |
1236 | cbrt(_Tp __x) |
1237 | { return __builtin_cbrt(__x); } |
1238 | |
1239 | constexpr float |
1240 | copysign(float __x, float __y) |
1241 | { return __builtin_copysignf(__x, __y); } |
1242 | |
1243 | constexpr long double |
1244 | copysign(long double __x, long double __y) |
1245 | { return __builtin_copysignl(__x, __y); } |
1246 | |
1247 | template<typename _Tp, typename _Up> |
1248 | constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
1249 | copysign(_Tp __x, _Up __y) |
1250 | { |
1251 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
1252 | return copysign(__type(__x), __type(__y)); |
1253 | } |
1254 | |
1255 | constexpr float |
1256 | erf(float __x) |
1257 | { return __builtin_erff(__x); } |
1258 | |
1259 | constexpr long double |
1260 | erf(long double __x) |
1261 | { return __builtin_erfl(__x); } |
1262 | |
1263 | template<typename _Tp> |
1264 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1265 | double>::__type |
1266 | erf(_Tp __x) |
1267 | { return __builtin_erf(__x); } |
1268 | |
1269 | constexpr float |
1270 | erfc(float __x) |
1271 | { return __builtin_erfcf(__x); } |
1272 | |
1273 | constexpr long double |
1274 | erfc(long double __x) |
1275 | { return __builtin_erfcl(__x); } |
1276 | |
1277 | template<typename _Tp> |
1278 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1279 | double>::__type |
1280 | erfc(_Tp __x) |
1281 | { return __builtin_erfc(__x); } |
1282 | |
1283 | constexpr float |
1284 | exp2(float __x) |
1285 | { return __builtin_exp2f(__x); } |
1286 | |
1287 | constexpr long double |
1288 | exp2(long double __x) |
1289 | { return __builtin_exp2l(__x); } |
1290 | |
1291 | template<typename _Tp> |
1292 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1293 | double>::__type |
1294 | exp2(_Tp __x) |
1295 | { return __builtin_exp2(__x); } |
1296 | |
1297 | constexpr float |
1298 | expm1(float __x) |
1299 | { return __builtin_expm1f(__x); } |
1300 | |
1301 | constexpr long double |
1302 | expm1(long double __x) |
1303 | { return __builtin_expm1l(__x); } |
1304 | |
1305 | template<typename _Tp> |
1306 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1307 | double>::__type |
1308 | expm1(_Tp __x) |
1309 | { return __builtin_expm1(__x); } |
1310 | |
1311 | constexpr float |
1312 | fdim(float __x, float __y) |
1313 | { return __builtin_fdimf(__x, __y); } |
1314 | |
1315 | constexpr long double |
1316 | fdim(long double __x, long double __y) |
1317 | { return __builtin_fdiml(__x, __y); } |
1318 | |
1319 | template<typename _Tp, typename _Up> |
1320 | constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
1321 | fdim(_Tp __x, _Up __y) |
1322 | { |
1323 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
1324 | return fdim(__type(__x), __type(__y)); |
1325 | } |
1326 | |
1327 | constexpr float |
1328 | fma(float __x, float __y, float __z) |
1329 | { return __builtin_fmaf(__x, __y, __z); } |
1330 | |
1331 | constexpr long double |
1332 | fma(long double __x, long double __y, long double __z) |
1333 | { return __builtin_fmal(__x, __y, __z); } |
1334 | |
1335 | template<typename _Tp, typename _Up, typename _Vp> |
1336 | constexpr typename __gnu_cxx::__promote_3<_Tp, _Up, _Vp>::__type |
1337 | fma(_Tp __x, _Up __y, _Vp __z) |
1338 | { |
1339 | typedef typename __gnu_cxx::__promote_3<_Tp, _Up, _Vp>::__type __type; |
1340 | return fma(__type(__x), __type(__y), __type(__z)); |
1341 | } |
1342 | |
1343 | constexpr float |
1344 | fmax(float __x, float __y) |
1345 | { return __builtin_fmaxf(__x, __y); } |
1346 | |
1347 | constexpr long double |
1348 | fmax(long double __x, long double __y) |
1349 | { return __builtin_fmaxl(__x, __y); } |
1350 | |
1351 | template<typename _Tp, typename _Up> |
1352 | constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
1353 | fmax(_Tp __x, _Up __y) |
1354 | { |
1355 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
1356 | return fmax(__type(__x), __type(__y)); |
1357 | } |
1358 | |
1359 | constexpr float |
1360 | fmin(float __x, float __y) |
1361 | { return __builtin_fminf(__x, __y); } |
1362 | |
1363 | constexpr long double |
1364 | fmin(long double __x, long double __y) |
1365 | { return __builtin_fminl(__x, __y); } |
1366 | |
1367 | template<typename _Tp, typename _Up> |
1368 | constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
1369 | fmin(_Tp __x, _Up __y) |
1370 | { |
1371 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
1372 | return fmin(__type(__x), __type(__y)); |
1373 | } |
1374 | |
1375 | constexpr float |
1376 | hypot(float __x, float __y) |
1377 | { return __builtin_hypotf(__x, __y); } |
1378 | |
1379 | constexpr long double |
1380 | hypot(long double __x, long double __y) |
1381 | { return __builtin_hypotl(__x, __y); } |
1382 | |
1383 | template<typename _Tp, typename _Up> |
1384 | constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
1385 | hypot(_Tp __x, _Up __y) |
1386 | { |
1387 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
1388 | return hypot(__type(__x), __type(__y)); |
1389 | } |
1390 | |
1391 | constexpr int |
1392 | ilogb(float __x) |
1393 | { return __builtin_ilogbf(__x); } |
1394 | |
1395 | constexpr int |
1396 | ilogb(long double __x) |
1397 | { return __builtin_ilogbl(__x); } |
1398 | |
1399 | template<typename _Tp> |
1400 | constexpr |
1401 | typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1402 | int>::__type |
1403 | ilogb(_Tp __x) |
1404 | { return __builtin_ilogb(__x); } |
1405 | |
1406 | constexpr float |
1407 | lgamma(float __x) |
1408 | { return __builtin_lgammaf(__x); } |
1409 | |
1410 | constexpr long double |
1411 | lgamma(long double __x) |
1412 | { return __builtin_lgammal(__x); } |
1413 | |
1414 | template<typename _Tp> |
1415 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1416 | double>::__type |
1417 | lgamma(_Tp __x) |
1418 | { return __builtin_lgamma(__x); } |
1419 | |
1420 | constexpr long long |
1421 | llrint(float __x) |
1422 | { return __builtin_llrintf(__x); } |
1423 | |
1424 | constexpr long long |
1425 | llrint(long double __x) |
1426 | { return __builtin_llrintl(__x); } |
1427 | |
1428 | template<typename _Tp> |
1429 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1430 | long long>::__type |
1431 | llrint(_Tp __x) |
1432 | { return __builtin_llrint(__x); } |
1433 | |
1434 | constexpr long long |
1435 | llround(float __x) |
1436 | { return __builtin_llroundf(__x); } |
1437 | |
1438 | constexpr long long |
1439 | llround(long double __x) |
1440 | { return __builtin_llroundl(__x); } |
1441 | |
1442 | template<typename _Tp> |
1443 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1444 | long long>::__type |
1445 | llround(_Tp __x) |
1446 | { return __builtin_llround(__x); } |
1447 | |
1448 | constexpr float |
1449 | log1p(float __x) |
1450 | { return __builtin_log1pf(__x); } |
1451 | |
1452 | constexpr long double |
1453 | log1p(long double __x) |
1454 | { return __builtin_log1pl(__x); } |
1455 | |
1456 | template<typename _Tp> |
1457 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1458 | double>::__type |
1459 | log1p(_Tp __x) |
1460 | { return __builtin_log1p(__x); } |
1461 | |
1462 | // DR 568. |
1463 | constexpr float |
1464 | log2(float __x) |
1465 | { return __builtin_log2f(__x); } |
1466 | |
1467 | constexpr long double |
1468 | log2(long double __x) |
1469 | { return __builtin_log2l(__x); } |
1470 | |
1471 | template<typename _Tp> |
1472 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1473 | double>::__type |
1474 | log2(_Tp __x) |
1475 | { return __builtin_log2(__x); } |
1476 | |
1477 | constexpr float |
1478 | logb(float __x) |
1479 | { return __builtin_logbf(__x); } |
1480 | |
1481 | constexpr long double |
1482 | logb(long double __x) |
1483 | { return __builtin_logbl(__x); } |
1484 | |
1485 | template<typename _Tp> |
1486 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1487 | double>::__type |
1488 | logb(_Tp __x) |
1489 | { return __builtin_logb(__x); } |
1490 | |
1491 | constexpr long |
1492 | lrint(float __x) |
1493 | { return __builtin_lrintf(__x); } |
1494 | |
1495 | constexpr long |
1496 | lrint(long double __x) |
1497 | { return __builtin_lrintl(__x); } |
1498 | |
1499 | template<typename _Tp> |
1500 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1501 | long>::__type |
1502 | lrint(_Tp __x) |
1503 | { return __builtin_lrint(__x); } |
1504 | |
1505 | constexpr long |
1506 | lround(float __x) |
1507 | { return __builtin_lroundf(__x); } |
1508 | |
1509 | constexpr long |
1510 | lround(long double __x) |
1511 | { return __builtin_lroundl(__x); } |
1512 | |
1513 | template<typename _Tp> |
1514 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1515 | long>::__type |
1516 | lround(_Tp __x) |
1517 | { return __builtin_lround(__x); } |
1518 | |
1519 | constexpr float |
1520 | nearbyint(float __x) |
1521 | { return __builtin_nearbyintf(__x); } |
1522 | |
1523 | constexpr long double |
1524 | nearbyint(long double __x) |
1525 | { return __builtin_nearbyintl(__x); } |
1526 | |
1527 | template<typename _Tp> |
1528 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1529 | double>::__type |
1530 | nearbyint(_Tp __x) |
1531 | { return __builtin_nearbyint(__x); } |
1532 | |
1533 | constexpr float |
1534 | nextafter(float __x, float __y) |
1535 | { return __builtin_nextafterf(__x, __y); } |
1536 | |
1537 | constexpr long double |
1538 | nextafter(long double __x, long double __y) |
1539 | { return __builtin_nextafterl(__x, __y); } |
1540 | |
1541 | template<typename _Tp, typename _Up> |
1542 | constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
1543 | nextafter(_Tp __x, _Up __y) |
1544 | { |
1545 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
1546 | return nextafter(__type(__x), __type(__y)); |
1547 | } |
1548 | |
1549 | constexpr float |
1550 | nexttoward(float __x, long double __y) |
1551 | { return __builtin_nexttowardf(__x, __y); } |
1552 | |
1553 | constexpr long double |
1554 | nexttoward(long double __x, long double __y) |
1555 | { return __builtin_nexttowardl(__x, __y); } |
1556 | |
1557 | template<typename _Tp> |
1558 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1559 | double>::__type |
1560 | nexttoward(_Tp __x, long double __y) |
1561 | { return __builtin_nexttoward(__x, __y); } |
1562 | |
1563 | constexpr float |
1564 | remainder(float __x, float __y) |
1565 | { return __builtin_remainderf(__x, __y); } |
1566 | |
1567 | constexpr long double |
1568 | remainder(long double __x, long double __y) |
1569 | { return __builtin_remainderl(__x, __y); } |
1570 | |
1571 | template<typename _Tp, typename _Up> |
1572 | constexpr typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
1573 | remainder(_Tp __x, _Up __y) |
1574 | { |
1575 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
1576 | return remainder(__type(__x), __type(__y)); |
1577 | } |
1578 | |
1579 | inline float |
1580 | remquo(float __x, float __y, int* __pquo) |
1581 | { return __builtin_remquof(__x, __y, __pquo); } |
1582 | |
1583 | inline long double |
1584 | remquo(long double __x, long double __y, int* __pquo) |
1585 | { return __builtin_remquol(__x, __y, __pquo); } |
1586 | |
1587 | template<typename _Tp, typename _Up> |
1588 | inline typename __gnu_cxx::__promote_2<_Tp, _Up>::__type |
1589 | remquo(_Tp __x, _Up __y, int* __pquo) |
1590 | { |
1591 | typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type; |
1592 | return remquo(__type(__x), __type(__y), __pquo); |
1593 | } |
1594 | |
1595 | constexpr float |
1596 | rint(float __x) |
1597 | { return __builtin_rintf(__x); } |
1598 | |
1599 | constexpr long double |
1600 | rint(long double __x) |
1601 | { return __builtin_rintl(__x); } |
1602 | |
1603 | template<typename _Tp> |
1604 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1605 | double>::__type |
1606 | rint(_Tp __x) |
1607 | { return __builtin_rint(__x); } |
1608 | |
1609 | constexpr float |
1610 | round(float __x) |
1611 | { return __builtin_roundf(__x); } |
1612 | |
1613 | constexpr long double |
1614 | round(long double __x) |
1615 | { return __builtin_roundl(__x); } |
1616 | |
1617 | template<typename _Tp> |
1618 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1619 | double>::__type |
1620 | round(_Tp __x) |
1621 | { return __builtin_round(__x); } |
1622 | |
1623 | constexpr float |
1624 | scalbln(float __x, long __ex) |
1625 | { return __builtin_scalblnf(__x, __ex); } |
1626 | |
1627 | constexpr long double |
1628 | scalbln(long double __x, long __ex) |
1629 | { return __builtin_scalblnl(__x, __ex); } |
1630 | |
1631 | template<typename _Tp> |
1632 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1633 | double>::__type |
1634 | scalbln(_Tp __x, long __ex) |
1635 | { return __builtin_scalbln(__x, __ex); } |
1636 | |
1637 | constexpr float |
1638 | scalbn(float __x, int __ex) |
1639 | { return __builtin_scalbnf(__x, __ex); } |
1640 | |
1641 | constexpr long double |
1642 | scalbn(long double __x, int __ex) |
1643 | { return __builtin_scalbnl(__x, __ex); } |
1644 | |
1645 | template<typename _Tp> |
1646 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1647 | double>::__type |
1648 | scalbn(_Tp __x, int __ex) |
1649 | { return __builtin_scalbn(__x, __ex); } |
1650 | |
1651 | constexpr float |
1652 | tgamma(float __x) |
1653 | { return __builtin_tgammaf(__x); } |
1654 | |
1655 | constexpr long double |
1656 | tgamma(long double __x) |
1657 | { return __builtin_tgammal(__x); } |
1658 | |
1659 | template<typename _Tp> |
1660 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1661 | double>::__type |
1662 | tgamma(_Tp __x) |
1663 | { return __builtin_tgamma(__x); } |
1664 | |
1665 | constexpr float |
1666 | trunc(float __x) |
1667 | { return __builtin_truncf(__x); } |
1668 | |
1669 | constexpr long double |
1670 | trunc(long double __x) |
1671 | { return __builtin_truncl(__x); } |
1672 | |
1673 | template<typename _Tp> |
1674 | constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, |
1675 | double>::__type |
1676 | trunc(_Tp __x) |
1677 | { return __builtin_trunc(__x); } |
1678 | |
1679 | _GLIBCXX_END_NAMESPACE_VERSION |
1680 | } // namespace |
1681 | |
1682 | #endif // _GLIBCXX_USE_C99_MATH_TR1 |
1683 | |
1684 | #endif // C++11 |
1685 | |
1686 | #endif |
1687 |
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