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56 | #ifndef _STL_ALGOBASE_H |
57 | #define _STL_ALGOBASE_H 1 |
58 | |
59 | #include <bits/c++config.h> |
60 | #include <bits/functexcept.h> |
61 | #include <bits/cpp_type_traits.h> |
62 | #include <ext/type_traits.h> |
63 | #include <ext/numeric_traits.h> |
64 | #include <bits/stl_pair.h> |
65 | #include <bits/stl_iterator_base_types.h> |
66 | #include <bits/stl_iterator_base_funcs.h> |
67 | #include <bits/stl_iterator.h> |
68 | #include <bits/concept_check.h> |
69 | #include <debug/debug.h> |
70 | #include <bits/move.h> |
71 | #include <bits/predefined_ops.h> |
72 | |
73 | namespace std _GLIBCXX_VISIBILITY(default) |
74 | { |
75 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
76 | |
77 | #if __cplusplus < 201103L |
78 | |
79 | |
80 | |
81 | template<bool _BoolType> |
82 | struct __iter_swap |
83 | { |
84 | template<typename _ForwardIterator1, typename _ForwardIterator2> |
85 | static void |
86 | iter_swap(_ForwardIterator1 __a, _ForwardIterator2 __b) |
87 | { |
88 | typedef typename iterator_traits<_ForwardIterator1>::value_type |
89 | _ValueType1; |
90 | _ValueType1 __tmp = _GLIBCXX_MOVE(*__a); |
91 | *__a = _GLIBCXX_MOVE(*__b); |
92 | *__b = _GLIBCXX_MOVE(__tmp); |
93 | } |
94 | }; |
95 | |
96 | template<> |
97 | struct __iter_swap<true> |
98 | { |
99 | template<typename _ForwardIterator1, typename _ForwardIterator2> |
100 | static void |
101 | iter_swap(_ForwardIterator1 __a, _ForwardIterator2 __b) |
102 | { |
103 | swap(*__a, *__b); |
104 | } |
105 | }; |
106 | #endif |
107 | |
108 | |
109 | |
110 | |
111 | |
112 | |
113 | |
114 | |
115 | |
116 | |
117 | |
118 | template<typename _ForwardIterator1, typename _ForwardIterator2> |
119 | inline void |
120 | iter_swap(_ForwardIterator1 __a, _ForwardIterator2 __b) |
121 | { |
122 | |
123 | __glibcxx_function_requires(_Mutable_ForwardIteratorConcept< |
124 | _ForwardIterator1>) |
125 | __glibcxx_function_requires(_Mutable_ForwardIteratorConcept< |
126 | _ForwardIterator2>) |
127 | |
128 | #if __cplusplus < 201103L |
129 | typedef typename iterator_traits<_ForwardIterator1>::value_type |
130 | _ValueType1; |
131 | typedef typename iterator_traits<_ForwardIterator2>::value_type |
132 | _ValueType2; |
133 | |
134 | __glibcxx_function_requires(_ConvertibleConcept<_ValueType1, |
135 | _ValueType2>) |
136 | __glibcxx_function_requires(_ConvertibleConcept<_ValueType2, |
137 | _ValueType1>) |
138 | |
139 | typedef typename iterator_traits<_ForwardIterator1>::reference |
140 | _ReferenceType1; |
141 | typedef typename iterator_traits<_ForwardIterator2>::reference |
142 | _ReferenceType2; |
143 | std::__iter_swap<__are_same<_ValueType1, _ValueType2>::__value |
144 | && __are_same<_ValueType1&, _ReferenceType1>::__value |
145 | && __are_same<_ValueType2&, _ReferenceType2>::__value>:: |
146 | iter_swap(__a, __b); |
147 | #else |
148 | swap(*__a, *__b); |
149 | #endif |
150 | } |
151 | |
152 | |
153 | |
154 | |
155 | |
156 | |
157 | |
158 | |
159 | |
160 | |
161 | |
162 | |
163 | |
164 | template<typename _ForwardIterator1, typename _ForwardIterator2> |
165 | _ForwardIterator2 |
166 | swap_ranges(_ForwardIterator1 __first1, _ForwardIterator1 __last1, |
167 | _ForwardIterator2 __first2) |
168 | { |
169 | |
170 | __glibcxx_function_requires(_Mutable_ForwardIteratorConcept< |
171 | _ForwardIterator1>) |
172 | __glibcxx_function_requires(_Mutable_ForwardIteratorConcept< |
173 | _ForwardIterator2>) |
174 | __glibcxx_requires_valid_range(__first1, __last1); |
175 | |
176 | for (; __first1 != __last1; ++__first1, (void)++__first2) |
177 | std::iter_swap(__first1, __first2); |
178 | return __first2; |
179 | } |
180 | |
181 | |
182 | |
183 | |
184 | |
185 | |
186 | |
187 | |
188 | |
189 | |
190 | |
191 | |
192 | template<typename _Tp> |
193 | _GLIBCXX14_CONSTEXPR |
194 | inline const _Tp& |
195 | min(const _Tp& __a, const _Tp& __b) |
196 | { |
197 | |
198 | __glibcxx_function_requires(_LessThanComparableConcept<_Tp>) |
199 | |
200 | if (__b < __a) |
201 | return __b; |
202 | return __a; |
203 | } |
204 | |
205 | |
206 | |
207 | |
208 | |
209 | |
210 | |
211 | |
212 | |
213 | |
214 | |
215 | |
216 | template<typename _Tp> |
217 | _GLIBCXX14_CONSTEXPR |
218 | inline const _Tp& |
219 | max(const _Tp& __a, const _Tp& __b) |
220 | { |
221 | |
222 | __glibcxx_function_requires(_LessThanComparableConcept<_Tp>) |
223 | |
224 | if (__a < __b) |
225 | return __b; |
226 | return __a; |
227 | } |
228 | |
229 | |
230 | |
231 | |
232 | |
233 | |
234 | |
235 | |
236 | |
237 | |
238 | |
239 | |
240 | template<typename _Tp, typename _Compare> |
241 | _GLIBCXX14_CONSTEXPR |
242 | inline const _Tp& |
243 | min(const _Tp& __a, const _Tp& __b, _Compare __comp) |
244 | { |
245 | |
246 | if (__comp(__b, __a)) |
247 | return __b; |
248 | return __a; |
249 | } |
250 | |
251 | |
252 | |
253 | |
254 | |
255 | |
256 | |
257 | |
258 | |
259 | |
260 | |
261 | |
262 | template<typename _Tp, typename _Compare> |
263 | _GLIBCXX14_CONSTEXPR |
264 | inline const _Tp& |
265 | max(const _Tp& __a, const _Tp& __b, _Compare __comp) |
266 | { |
267 | |
268 | if (__comp(__a, __b)) |
269 | return __b; |
270 | return __a; |
271 | } |
272 | |
273 | |
274 | |
275 | template<typename _Iterator> |
276 | inline _Iterator |
277 | __niter_base(_Iterator __it) |
278 | { return __it; } |
279 | |
280 | |
281 | |
282 | |
283 | |
284 | |
285 | |
286 | template<bool, bool, typename> |
287 | struct __copy_move |
288 | { |
289 | template<typename _II, typename _OI> |
290 | static _OI |
291 | __copy_m(_II __first, _II __last, _OI __result) |
292 | { |
293 | for (; __first != __last; ++__result, (void)++__first) |
294 | *__result = *__first; |
295 | return __result; |
296 | } |
297 | }; |
298 | |
299 | #if __cplusplus >= 201103L |
300 | template<typename _Category> |
301 | struct __copy_move<true, false, _Category> |
302 | { |
303 | template<typename _II, typename _OI> |
304 | static _OI |
305 | __copy_m(_II __first, _II __last, _OI __result) |
306 | { |
307 | for (; __first != __last; ++__result, (void)++__first) |
308 | *__result = std::move(*__first); |
309 | return __result; |
310 | } |
311 | }; |
312 | #endif |
313 | |
314 | template<> |
315 | struct __copy_move<false, false, random_access_iterator_tag> |
316 | { |
317 | template<typename _II, typename _OI> |
318 | static _OI |
319 | __copy_m(_II __first, _II __last, _OI __result) |
320 | { |
321 | typedef typename iterator_traits<_II>::difference_type _Distance; |
322 | for(_Distance __n = __last - __first; __n > 0; --__n) |
323 | { |
324 | *__result = *__first; |
325 | ++__first; |
326 | ++__result; |
327 | } |
328 | return __result; |
329 | } |
330 | }; |
331 | |
332 | #if __cplusplus >= 201103L |
333 | template<> |
334 | struct __copy_move<true, false, random_access_iterator_tag> |
335 | { |
336 | template<typename _II, typename _OI> |
337 | static _OI |
338 | __copy_m(_II __first, _II __last, _OI __result) |
339 | { |
340 | typedef typename iterator_traits<_II>::difference_type _Distance; |
341 | for(_Distance __n = __last - __first; __n > 0; --__n) |
342 | { |
343 | *__result = std::move(*__first); |
344 | ++__first; |
345 | ++__result; |
346 | } |
347 | return __result; |
348 | } |
349 | }; |
350 | #endif |
351 | |
352 | template<bool _IsMove> |
353 | struct __copy_move<_IsMove, true, random_access_iterator_tag> |
354 | { |
355 | template<typename _Tp> |
356 | static _Tp* |
357 | __copy_m(const _Tp* __first, const _Tp* __last, _Tp* __result) |
358 | { |
359 | #if __cplusplus >= 201103L |
360 | using __assignable = conditional<_IsMove, |
361 | is_move_assignable<_Tp>, |
362 | is_copy_assignable<_Tp>>; |
363 | |
364 | static_assert( __assignable::type::value, "type is not assignable" ); |
365 | #endif |
366 | const ptrdiff_t _Num = __last - __first; |
367 | if (_Num) |
368 | __builtin_memmove(__result, __first, sizeof(_Tp) * _Num); |
369 | return __result + _Num; |
370 | } |
371 | }; |
372 | |
373 | template<bool _IsMove, typename _II, typename _OI> |
374 | inline _OI |
375 | __copy_move_a(_II __first, _II __last, _OI __result) |
376 | { |
377 | typedef typename iterator_traits<_II>::value_type _ValueTypeI; |
378 | typedef typename iterator_traits<_OI>::value_type _ValueTypeO; |
379 | typedef typename iterator_traits<_II>::iterator_category _Category; |
380 | const bool __simple = (__is_trivial(_ValueTypeI) |
381 | && __is_pointer<_II>::__value |
382 | && __is_pointer<_OI>::__value |
383 | && __are_same<_ValueTypeI, _ValueTypeO>::__value); |
384 | |
385 | return std::__copy_move<_IsMove, __simple, |
386 | _Category>::__copy_m(__first, __last, __result); |
387 | } |
388 | |
389 | |
390 | |
391 | template<typename _CharT> |
392 | struct char_traits; |
393 | |
394 | template<typename _CharT, typename _Traits> |
395 | class istreambuf_iterator; |
396 | |
397 | template<typename _CharT, typename _Traits> |
398 | class ostreambuf_iterator; |
399 | |
400 | template<bool _IsMove, typename _CharT> |
401 | typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value, |
402 | ostreambuf_iterator<_CharT, char_traits<_CharT> > >::__type |
403 | __copy_move_a2(_CharT*, _CharT*, |
404 | ostreambuf_iterator<_CharT, char_traits<_CharT> >); |
405 | |
406 | template<bool _IsMove, typename _CharT> |
407 | typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value, |
408 | ostreambuf_iterator<_CharT, char_traits<_CharT> > >::__type |
409 | __copy_move_a2(const _CharT*, const _CharT*, |
410 | ostreambuf_iterator<_CharT, char_traits<_CharT> >); |
411 | |
412 | template<bool _IsMove, typename _CharT> |
413 | typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value, |
414 | _CharT*>::__type |
415 | __copy_move_a2(istreambuf_iterator<_CharT, char_traits<_CharT> >, |
416 | istreambuf_iterator<_CharT, char_traits<_CharT> >, _CharT*); |
417 | |
418 | template<bool _IsMove, typename _II, typename _OI> |
419 | inline _OI |
420 | __copy_move_a2(_II __first, _II __last, _OI __result) |
421 | { |
422 | return _OI(std::__copy_move_a<_IsMove>(std::__niter_base(__first), |
423 | std::__niter_base(__last), |
424 | std::__niter_base(__result))); |
425 | } |
426 | |
427 | |
428 | |
429 | |
430 | |
431 | |
432 | |
433 | |
434 | |
435 | |
436 | |
437 | |
438 | |
439 | |
440 | |
441 | |
442 | |
443 | |
444 | template<typename _II, typename _OI> |
445 | inline _OI |
446 | copy(_II __first, _II __last, _OI __result) |
447 | { |
448 | |
449 | __glibcxx_function_requires(_InputIteratorConcept<_II>) |
450 | __glibcxx_function_requires(_OutputIteratorConcept<_OI, |
451 | typename iterator_traits<_II>::value_type>) |
452 | __glibcxx_requires_valid_range(__first, __last); |
453 | |
454 | return (std::__copy_move_a2<__is_move_iterator<_II>::__value> |
455 | (std::__miter_base(__first), std::__miter_base(__last), |
456 | __result)); |
457 | } |
458 | |
459 | #if __cplusplus >= 201103L |
460 | |
461 | |
462 | |
463 | |
464 | |
465 | |
466 | |
467 | |
468 | |
469 | |
470 | |
471 | |
472 | |
473 | |
474 | |
475 | |
476 | |
477 | template<typename _II, typename _OI> |
478 | inline _OI |
479 | move(_II __first, _II __last, _OI __result) |
480 | { |
481 | |
482 | __glibcxx_function_requires(_InputIteratorConcept<_II>) |
483 | __glibcxx_function_requires(_OutputIteratorConcept<_OI, |
484 | typename iterator_traits<_II>::value_type>) |
485 | __glibcxx_requires_valid_range(__first, __last); |
486 | |
487 | return std::__copy_move_a2<true>(std::__miter_base(__first), |
488 | std::__miter_base(__last), __result); |
489 | } |
490 | |
491 | #define _GLIBCXX_MOVE3(_Tp, _Up, _Vp) std::move(_Tp, _Up, _Vp) |
492 | #else |
493 | #define _GLIBCXX_MOVE3(_Tp, _Up, _Vp) std::copy(_Tp, _Up, _Vp) |
494 | #endif |
495 | |
496 | template<bool, bool, typename> |
497 | struct __copy_move_backward |
498 | { |
499 | template<typename _BI1, typename _BI2> |
500 | static _BI2 |
501 | __copy_move_b(_BI1 __first, _BI1 __last, _BI2 __result) |
502 | { |
503 | while (__first != __last) |
504 | *--__result = *--__last; |
505 | return __result; |
506 | } |
507 | }; |
508 | |
509 | #if __cplusplus >= 201103L |
510 | template<typename _Category> |
511 | struct __copy_move_backward<true, false, _Category> |
512 | { |
513 | template<typename _BI1, typename _BI2> |
514 | static _BI2 |
515 | __copy_move_b(_BI1 __first, _BI1 __last, _BI2 __result) |
516 | { |
517 | while (__first != __last) |
518 | *--__result = std::move(*--__last); |
519 | return __result; |
520 | } |
521 | }; |
522 | #endif |
523 | |
524 | template<> |
525 | struct __copy_move_backward<false, false, random_access_iterator_tag> |
526 | { |
527 | template<typename _BI1, typename _BI2> |
528 | static _BI2 |
529 | __copy_move_b(_BI1 __first, _BI1 __last, _BI2 __result) |
530 | { |
531 | typename iterator_traits<_BI1>::difference_type __n; |
532 | for (__n = __last - __first; __n > 0; --__n) |
533 | *--__result = *--__last; |
534 | return __result; |
535 | } |
536 | }; |
537 | |
538 | #if __cplusplus >= 201103L |
539 | template<> |
540 | struct __copy_move_backward<true, false, random_access_iterator_tag> |
541 | { |
542 | template<typename _BI1, typename _BI2> |
543 | static _BI2 |
544 | __copy_move_b(_BI1 __first, _BI1 __last, _BI2 __result) |
545 | { |
546 | typename iterator_traits<_BI1>::difference_type __n; |
547 | for (__n = __last - __first; __n > 0; --__n) |
548 | *--__result = std::move(*--__last); |
549 | return __result; |
550 | } |
551 | }; |
552 | #endif |
553 | |
554 | template<bool _IsMove> |
555 | struct __copy_move_backward<_IsMove, true, random_access_iterator_tag> |
556 | { |
557 | template<typename _Tp> |
558 | static _Tp* |
559 | __copy_move_b(const _Tp* __first, const _Tp* __last, _Tp* __result) |
560 | { |
561 | #if __cplusplus >= 201103L |
562 | using __assignable = conditional<_IsMove, |
563 | is_move_assignable<_Tp>, |
564 | is_copy_assignable<_Tp>>; |
565 | |
566 | static_assert( __assignable::type::value, "type is not assignable" ); |
567 | #endif |
568 | const ptrdiff_t _Num = __last - __first; |
569 | if (_Num) |
570 | __builtin_memmove(__result - _Num, __first, sizeof(_Tp) * _Num); |
571 | return __result - _Num; |
572 | } |
573 | }; |
574 | |
575 | template<bool _IsMove, typename _BI1, typename _BI2> |
576 | inline _BI2 |
577 | __copy_move_backward_a(_BI1 __first, _BI1 __last, _BI2 __result) |
578 | { |
579 | typedef typename iterator_traits<_BI1>::value_type _ValueType1; |
580 | typedef typename iterator_traits<_BI2>::value_type _ValueType2; |
581 | typedef typename iterator_traits<_BI1>::iterator_category _Category; |
582 | const bool __simple = (__is_trivial(_ValueType1) |
583 | && __is_pointer<_BI1>::__value |
584 | && __is_pointer<_BI2>::__value |
585 | && __are_same<_ValueType1, _ValueType2>::__value); |
586 | |
587 | return std::__copy_move_backward<_IsMove, __simple, |
588 | _Category>::__copy_move_b(__first, |
589 | __last, |
590 | __result); |
591 | } |
592 | |
593 | template<bool _IsMove, typename _BI1, typename _BI2> |
594 | inline _BI2 |
595 | __copy_move_backward_a2(_BI1 __first, _BI1 __last, _BI2 __result) |
596 | { |
597 | return _BI2(std::__copy_move_backward_a<_IsMove> |
598 | (std::__niter_base(__first), std::__niter_base(__last), |
599 | std::__niter_base(__result))); |
600 | } |
601 | |
602 | |
603 | |
604 | |
605 | |
606 | |
607 | |
608 | |
609 | |
610 | |
611 | |
612 | |
613 | |
614 | |
615 | |
616 | |
617 | |
618 | |
619 | |
620 | template<typename _BI1, typename _BI2> |
621 | inline _BI2 |
622 | copy_backward(_BI1 __first, _BI1 __last, _BI2 __result) |
623 | { |
624 | |
625 | __glibcxx_function_requires(_BidirectionalIteratorConcept<_BI1>) |
626 | __glibcxx_function_requires(_Mutable_BidirectionalIteratorConcept<_BI2>) |
627 | __glibcxx_function_requires(_ConvertibleConcept< |
628 | typename iterator_traits<_BI1>::value_type, |
629 | typename iterator_traits<_BI2>::value_type>) |
630 | __glibcxx_requires_valid_range(__first, __last); |
631 | |
632 | return (std::__copy_move_backward_a2<__is_move_iterator<_BI1>::__value> |
633 | (std::__miter_base(__first), std::__miter_base(__last), |
634 | __result)); |
635 | } |
636 | |
637 | #if __cplusplus >= 201103L |
638 | |
639 | |
640 | |
641 | |
642 | |
643 | |
644 | |
645 | |
646 | |
647 | |
648 | |
649 | |
650 | |
651 | |
652 | |
653 | |
654 | |
655 | |
656 | template<typename _BI1, typename _BI2> |
657 | inline _BI2 |
658 | move_backward(_BI1 __first, _BI1 __last, _BI2 __result) |
659 | { |
660 | |
661 | __glibcxx_function_requires(_BidirectionalIteratorConcept<_BI1>) |
662 | __glibcxx_function_requires(_Mutable_BidirectionalIteratorConcept<_BI2>) |
663 | __glibcxx_function_requires(_ConvertibleConcept< |
664 | typename iterator_traits<_BI1>::value_type, |
665 | typename iterator_traits<_BI2>::value_type>) |
666 | __glibcxx_requires_valid_range(__first, __last); |
667 | |
668 | return std::__copy_move_backward_a2<true>(std::__miter_base(__first), |
669 | std::__miter_base(__last), |
670 | __result); |
671 | } |
672 | |
673 | #define _GLIBCXX_MOVE_BACKWARD3(_Tp, _Up, _Vp) std::move_backward(_Tp, _Up, _Vp) |
674 | #else |
675 | #define _GLIBCXX_MOVE_BACKWARD3(_Tp, _Up, _Vp) std::copy_backward(_Tp, _Up, _Vp) |
676 | #endif |
677 | |
678 | template<typename _ForwardIterator, typename _Tp> |
679 | inline typename |
680 | __gnu_cxx::__enable_if<!__is_scalar<_Tp>::__value, void>::__type |
681 | __fill_a(_ForwardIterator __first, _ForwardIterator __last, |
682 | const _Tp& __value) |
683 | { |
684 | for (; __first != __last; ++__first) |
685 | *__first = __value; |
686 | } |
687 | |
688 | template<typename _ForwardIterator, typename _Tp> |
689 | inline typename |
690 | __gnu_cxx::__enable_if<__is_scalar<_Tp>::__value, void>::__type |
691 | __fill_a(_ForwardIterator __first, _ForwardIterator __last, |
692 | const _Tp& __value) |
693 | { |
694 | const _Tp __tmp = __value; |
695 | for (; __first != __last; ++__first) |
696 | *__first = __tmp; |
697 | } |
698 | |
699 | |
700 | template<typename _Tp> |
701 | inline typename |
702 | __gnu_cxx::__enable_if<__is_byte<_Tp>::__value, void>::__type |
703 | __fill_a(_Tp* __first, _Tp* __last, const _Tp& __c) |
704 | { |
705 | const _Tp __tmp = __c; |
706 | if (const size_t __len = __last - __first) |
707 | __builtin_memset(__first, static_cast<unsigned char>(__tmp), __len); |
708 | } |
709 | |
710 | |
711 | |
712 | |
713 | |
714 | |
715 | |
716 | |
717 | |
718 | |
719 | |
720 | |
721 | |
722 | template<typename _ForwardIterator, typename _Tp> |
723 | inline void |
724 | fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) |
725 | { |
726 | |
727 | __glibcxx_function_requires(_Mutable_ForwardIteratorConcept< |
728 | _ForwardIterator>) |
729 | __glibcxx_requires_valid_range(__first, __last); |
730 | |
731 | std::__fill_a(std::__niter_base(__first), std::__niter_base(__last), |
732 | __value); |
733 | } |
734 | |
735 | template<typename _OutputIterator, typename _Size, typename _Tp> |
736 | inline typename |
737 | __gnu_cxx::__enable_if<!__is_scalar<_Tp>::__value, _OutputIterator>::__type |
738 | __fill_n_a(_OutputIterator __first, _Size __n, const _Tp& __value) |
739 | { |
740 | for (__decltype(__n + 0) __niter = __n; |
741 | __niter > 0; --__niter, ++__first) |
742 | *__first = __value; |
743 | return __first; |
744 | } |
745 | |
746 | template<typename _OutputIterator, typename _Size, typename _Tp> |
747 | inline typename |
748 | __gnu_cxx::__enable_if<__is_scalar<_Tp>::__value, _OutputIterator>::__type |
749 | __fill_n_a(_OutputIterator __first, _Size __n, const _Tp& __value) |
750 | { |
751 | const _Tp __tmp = __value; |
752 | for (__decltype(__n + 0) __niter = __n; |
753 | __niter > 0; --__niter, ++__first) |
754 | *__first = __tmp; |
755 | return __first; |
756 | } |
757 | |
758 | template<typename _Size, typename _Tp> |
759 | inline typename |
760 | __gnu_cxx::__enable_if<__is_byte<_Tp>::__value, _Tp*>::__type |
761 | __fill_n_a(_Tp* __first, _Size __n, const _Tp& __c) |
762 | { |
763 | std::__fill_a(__first, __first + __n, __c); |
764 | return __first + __n; |
765 | } |
766 | |
767 | |
768 | |
769 | |
770 | |
771 | |
772 | |
773 | |
774 | |
775 | |
776 | |
777 | |
778 | |
779 | |
780 | |
781 | |
782 | template<typename _OI, typename _Size, typename _Tp> |
783 | inline _OI |
784 | fill_n(_OI __first, _Size __n, const _Tp& __value) |
785 | { |
786 | |
787 | __glibcxx_function_requires(_OutputIteratorConcept<_OI, _Tp>) |
788 | |
789 | return _OI(std::__fill_n_a(std::__niter_base(__first), __n, __value)); |
790 | } |
791 | |
792 | template<bool _BoolType> |
793 | struct __equal |
794 | { |
795 | template<typename _II1, typename _II2> |
796 | static bool |
797 | equal(_II1 __first1, _II1 __last1, _II2 __first2) |
798 | { |
799 | for (; __first1 != __last1; ++__first1, (void)++__first2) |
800 | if (!(*__first1 == *__first2)) |
801 | return false; |
802 | return true; |
803 | } |
804 | }; |
805 | |
806 | template<> |
807 | struct __equal<true> |
808 | { |
809 | template<typename _Tp> |
810 | static bool |
811 | equal(const _Tp* __first1, const _Tp* __last1, const _Tp* __first2) |
812 | { |
813 | if (const size_t __len = (__last1 - __first1)) |
814 | return !__builtin_memcmp(__first1, __first2, sizeof(_Tp) * __len); |
815 | return true; |
816 | } |
817 | }; |
818 | |
819 | template<typename _II1, typename _II2> |
820 | inline bool |
821 | __equal_aux(_II1 __first1, _II1 __last1, _II2 __first2) |
822 | { |
823 | typedef typename iterator_traits<_II1>::value_type _ValueType1; |
824 | typedef typename iterator_traits<_II2>::value_type _ValueType2; |
825 | const bool __simple = ((__is_integer<_ValueType1>::__value |
826 | || __is_pointer<_ValueType1>::__value) |
827 | && __is_pointer<_II1>::__value |
828 | && __is_pointer<_II2>::__value |
829 | && __are_same<_ValueType1, _ValueType2>::__value); |
830 | |
831 | return std::__equal<__simple>::equal(__first1, __last1, __first2); |
832 | } |
833 | |
834 | template<typename, typename> |
835 | struct __lc_rai |
836 | { |
837 | template<typename _II1, typename _II2> |
838 | static _II1 |
839 | __newlast1(_II1, _II1 __last1, _II2, _II2) |
840 | { return __last1; } |
841 | |
842 | template<typename _II> |
843 | static bool |
844 | __cnd2(_II __first, _II __last) |
845 | { return __first != __last; } |
846 | }; |
847 | |
848 | template<> |
849 | struct __lc_rai<random_access_iterator_tag, random_access_iterator_tag> |
850 | { |
851 | template<typename _RAI1, typename _RAI2> |
852 | static _RAI1 |
853 | __newlast1(_RAI1 __first1, _RAI1 __last1, |
854 | _RAI2 __first2, _RAI2 __last2) |
855 | { |
856 | const typename iterator_traits<_RAI1>::difference_type |
857 | __diff1 = __last1 - __first1; |
858 | const typename iterator_traits<_RAI2>::difference_type |
859 | __diff2 = __last2 - __first2; |
860 | return __diff2 < __diff1 ? __first1 + __diff2 : __last1; |
861 | } |
862 | |
863 | template<typename _RAI> |
864 | static bool |
865 | __cnd2(_RAI, _RAI) |
866 | { return true; } |
867 | }; |
868 | |
869 | template<typename _II1, typename _II2, typename _Compare> |
870 | bool |
871 | __lexicographical_compare_impl(_II1 __first1, _II1 __last1, |
872 | _II2 __first2, _II2 __last2, |
873 | _Compare __comp) |
874 | { |
875 | typedef typename iterator_traits<_II1>::iterator_category _Category1; |
876 | typedef typename iterator_traits<_II2>::iterator_category _Category2; |
877 | typedef std::__lc_rai<_Category1, _Category2> __rai_type; |
878 | |
879 | __last1 = __rai_type::__newlast1(__first1, __last1, __first2, __last2); |
880 | for (; __first1 != __last1 && __rai_type::__cnd2(__first2, __last2); |
881 | ++__first1, (void)++__first2) |
882 | { |
883 | if (__comp(__first1, __first2)) |
884 | return true; |
885 | if (__comp(__first2, __first1)) |
886 | return false; |
887 | } |
888 | return __first1 == __last1 && __first2 != __last2; |
889 | } |
890 | |
891 | template<bool _BoolType> |
892 | struct __lexicographical_compare |
893 | { |
894 | template<typename _II1, typename _II2> |
895 | static bool __lc(_II1, _II1, _II2, _II2); |
896 | }; |
897 | |
898 | template<bool _BoolType> |
899 | template<typename _II1, typename _II2> |
900 | bool |
901 | __lexicographical_compare<_BoolType>:: |
902 | __lc(_II1 __first1, _II1 __last1, _II2 __first2, _II2 __last2) |
903 | { |
904 | return std::__lexicographical_compare_impl(__first1, __last1, |
905 | __first2, __last2, |
906 | __gnu_cxx::__ops::__iter_less_iter()); |
907 | } |
908 | |
909 | template<> |
910 | struct __lexicographical_compare<true> |
911 | { |
912 | template<typename _Tp, typename _Up> |
913 | static bool |
914 | __lc(const _Tp* __first1, const _Tp* __last1, |
915 | const _Up* __first2, const _Up* __last2) |
916 | { |
917 | const size_t __len1 = __last1 - __first1; |
918 | const size_t __len2 = __last2 - __first2; |
919 | if (const size_t __len = std::min(__len1, __len2)) |
920 | if (int __result = __builtin_memcmp(__first1, __first2, __len)) |
921 | return __result < 0; |
922 | return __len1 < __len2; |
923 | } |
924 | }; |
925 | |
926 | template<typename _II1, typename _II2> |
927 | inline bool |
928 | __lexicographical_compare_aux(_II1 __first1, _II1 __last1, |
929 | _II2 __first2, _II2 __last2) |
930 | { |
931 | typedef typename iterator_traits<_II1>::value_type _ValueType1; |
932 | typedef typename iterator_traits<_II2>::value_type _ValueType2; |
933 | const bool __simple = |
934 | (__is_byte<_ValueType1>::__value && __is_byte<_ValueType2>::__value |
935 | && !__gnu_cxx::__numeric_traits<_ValueType1>::__is_signed |
936 | && !__gnu_cxx::__numeric_traits<_ValueType2>::__is_signed |
937 | && __is_pointer<_II1>::__value |
938 | && __is_pointer<_II2>::__value); |
939 | |
940 | return std::__lexicographical_compare<__simple>::__lc(__first1, __last1, |
941 | __first2, __last2); |
942 | } |
943 | |
944 | template<typename _ForwardIterator, typename _Tp, typename _Compare> |
945 | _ForwardIterator |
946 | __lower_bound(_ForwardIterator __first, _ForwardIterator __last, |
947 | const _Tp& __val, _Compare __comp) |
948 | { |
949 | typedef typename iterator_traits<_ForwardIterator>::difference_type |
950 | _DistanceType; |
951 | |
952 | _DistanceType __len = std::distance(__first, __last); |
953 | |
954 | while (__len > 0) |
955 | { |
956 | _DistanceType __half = __len >> 1; |
957 | _ForwardIterator __middle = __first; |
958 | std::advance(__middle, __half); |
959 | if (__comp(__middle, __val)) |
960 | { |
961 | __first = __middle; |
962 | ++__first; |
963 | __len = __len - __half - 1; |
964 | } |
965 | else |
966 | __len = __half; |
967 | } |
968 | return __first; |
969 | } |
970 | |
971 | |
972 | |
973 | |
974 | |
975 | |
976 | |
977 | |
978 | |
979 | |
980 | |
981 | |
982 | template<typename _ForwardIterator, typename _Tp> |
983 | inline _ForwardIterator |
984 | lower_bound(_ForwardIterator __first, _ForwardIterator __last, |
985 | const _Tp& __val) |
986 | { |
987 | |
988 | __glibcxx_function_requires(_ForwardIteratorConcept<_ForwardIterator>) |
989 | __glibcxx_function_requires(_LessThanOpConcept< |
990 | typename iterator_traits<_ForwardIterator>::value_type, _Tp>) |
991 | __glibcxx_requires_partitioned_lower(__first, __last, __val); |
992 | |
993 | return std::__lower_bound(__first, __last, __val, |
994 | __gnu_cxx::__ops::__iter_less_val()); |
995 | } |
996 | |
997 | |
998 | |
999 | inline _GLIBCXX_CONSTEXPR int |
1000 | __lg(int __n) |
1001 | { return sizeof(int) * __CHAR_BIT__ - 1 - __builtin_clz(__n); } |
1002 | |
1003 | inline _GLIBCXX_CONSTEXPR unsigned |
1004 | __lg(unsigned __n) |
1005 | { return sizeof(int) * __CHAR_BIT__ - 1 - __builtin_clz(__n); } |
1006 | |
1007 | inline _GLIBCXX_CONSTEXPR long |
1008 | __lg(long __n) |
1009 | { return sizeof(long) * __CHAR_BIT__ - 1 - __builtin_clzl(__n); } |
1010 | |
1011 | inline _GLIBCXX_CONSTEXPR unsigned long |
1012 | __lg(unsigned long __n) |
1013 | { return sizeof(long) * __CHAR_BIT__ - 1 - __builtin_clzl(__n); } |
1014 | |
1015 | inline _GLIBCXX_CONSTEXPR long long |
1016 | __lg(long long __n) |
1017 | { return sizeof(long long) * __CHAR_BIT__ - 1 - __builtin_clzll(__n); } |
1018 | |
1019 | inline _GLIBCXX_CONSTEXPR unsigned long long |
1020 | __lg(unsigned long long __n) |
1021 | { return sizeof(long long) * __CHAR_BIT__ - 1 - __builtin_clzll(__n); } |
1022 | |
1023 | _GLIBCXX_END_NAMESPACE_VERSION |
1024 | |
1025 | _GLIBCXX_BEGIN_NAMESPACE_ALGO |
1026 | |
1027 | |
1028 | |
1029 | |
1030 | |
1031 | |
1032 | |
1033 | |
1034 | |
1035 | |
1036 | |
1037 | |
1038 | |
1039 | template<typename _II1, typename _II2> |
1040 | inline bool |
1041 | equal(_II1 __first1, _II1 __last1, _II2 __first2) |
1042 | { |
1043 | |
1044 | __glibcxx_function_requires(_InputIteratorConcept<_II1>) |
1045 | __glibcxx_function_requires(_InputIteratorConcept<_II2>) |
1046 | __glibcxx_function_requires(_EqualOpConcept< |
1047 | typename iterator_traits<_II1>::value_type, |
1048 | typename iterator_traits<_II2>::value_type>) |
1049 | __glibcxx_requires_valid_range(__first1, __last1); |
1050 | |
1051 | return std::__equal_aux(std::__niter_base(__first1), |
1052 | std::__niter_base(__last1), |
1053 | std::__niter_base(__first2)); |
1054 | } |
1055 | |
1056 | |
1057 | |
1058 | |
1059 | |
1060 | |
1061 | |
1062 | |
1063 | |
1064 | |
1065 | |
1066 | |
1067 | |
1068 | |
1069 | |
1070 | |
1071 | template<typename _IIter1, typename _IIter2, typename _BinaryPredicate> |
1072 | inline bool |
1073 | equal(_IIter1 __first1, _IIter1 __last1, |
1074 | _IIter2 __first2, _BinaryPredicate __binary_pred) |
1075 | { |
1076 | |
1077 | __glibcxx_function_requires(_InputIteratorConcept<_IIter1>) |
1078 | __glibcxx_function_requires(_InputIteratorConcept<_IIter2>) |
1079 | __glibcxx_requires_valid_range(__first1, __last1); |
1080 | |
1081 | for (; __first1 != __last1; ++__first1, (void)++__first2) |
1082 | if (!bool(__binary_pred(*__first1, *__first2))) |
1083 | return false; |
1084 | return true; |
1085 | } |
1086 | |
1087 | #if __cplusplus > 201103L |
1088 | |
1089 | #define __cpp_lib_robust_nonmodifying_seq_ops 201304 |
1090 | |
1091 | |
1092 | |
1093 | |
1094 | |
1095 | |
1096 | |
1097 | |
1098 | |
1099 | |
1100 | |
1101 | |
1102 | |
1103 | |
1104 | template<typename _II1, typename _II2> |
1105 | inline bool |
1106 | equal(_II1 __first1, _II1 __last1, _II2 __first2, _II2 __last2) |
1107 | { |
1108 | |
1109 | __glibcxx_function_requires(_InputIteratorConcept<_II1>) |
1110 | __glibcxx_function_requires(_InputIteratorConcept<_II2>) |
1111 | __glibcxx_function_requires(_EqualOpConcept< |
1112 | typename iterator_traits<_II1>::value_type, |
1113 | typename iterator_traits<_II2>::value_type>) |
1114 | __glibcxx_requires_valid_range(__first1, __last1); |
1115 | __glibcxx_requires_valid_range(__first2, __last2); |
1116 | |
1117 | using _RATag = random_access_iterator_tag; |
1118 | using _Cat1 = typename iterator_traits<_II1>::iterator_category; |
1119 | using _Cat2 = typename iterator_traits<_II2>::iterator_category; |
1120 | using _RAIters = __and_<is_same<_Cat1, _RATag>, is_same<_Cat2, _RATag>>; |
1121 | if (_RAIters()) |
1122 | { |
1123 | auto __d1 = std::distance(__first1, __last1); |
1124 | auto __d2 = std::distance(__first2, __last2); |
1125 | if (__d1 != __d2) |
1126 | return false; |
1127 | return _GLIBCXX_STD_A::equal(__first1, __last1, __first2); |
1128 | } |
1129 | |
1130 | for (; __first1 != __last1 && __first2 != __last2; |
1131 | ++__first1, (void)++__first2) |
1132 | if (!(*__first1 == *__first2)) |
1133 | return false; |
1134 | return __first1 == __last1 && __first2 == __last2; |
1135 | } |
1136 | |
1137 | |
1138 | |
1139 | |
1140 | |
1141 | |
1142 | |
1143 | |
1144 | |
1145 | |
1146 | |
1147 | |
1148 | |
1149 | |
1150 | |
1151 | |
1152 | |
1153 | template<typename _IIter1, typename _IIter2, typename _BinaryPredicate> |
1154 | inline bool |
1155 | equal(_IIter1 __first1, _IIter1 __last1, |
1156 | _IIter2 __first2, _IIter2 __last2, _BinaryPredicate __binary_pred) |
1157 | { |
1158 | |
1159 | __glibcxx_function_requires(_InputIteratorConcept<_IIter1>) |
1160 | __glibcxx_function_requires(_InputIteratorConcept<_IIter2>) |
1161 | __glibcxx_requires_valid_range(__first1, __last1); |
1162 | __glibcxx_requires_valid_range(__first2, __last2); |
1163 | |
1164 | using _RATag = random_access_iterator_tag; |
1165 | using _Cat1 = typename iterator_traits<_IIter1>::iterator_category; |
1166 | using _Cat2 = typename iterator_traits<_IIter2>::iterator_category; |
1167 | using _RAIters = __and_<is_same<_Cat1, _RATag>, is_same<_Cat2, _RATag>>; |
1168 | if (_RAIters()) |
1169 | { |
1170 | auto __d1 = std::distance(__first1, __last1); |
1171 | auto __d2 = std::distance(__first2, __last2); |
1172 | if (__d1 != __d2) |
1173 | return false; |
1174 | return _GLIBCXX_STD_A::equal(__first1, __last1, __first2, |
1175 | __binary_pred); |
1176 | } |
1177 | |
1178 | for (; __first1 != __last1 && __first2 != __last2; |
1179 | ++__first1, (void)++__first2) |
1180 | if (!bool(__binary_pred(*__first1, *__first2))) |
1181 | return false; |
1182 | return __first1 == __last1 && __first2 == __last2; |
1183 | } |
1184 | #endif |
1185 | |
1186 | |
1187 | |
1188 | |
1189 | |
1190 | |
1191 | |
1192 | |
1193 | |
1194 | |
1195 | |
1196 | |
1197 | |
1198 | |
1199 | |
1200 | |
1201 | template<typename _II1, typename _II2> |
1202 | inline bool |
1203 | lexicographical_compare(_II1 __first1, _II1 __last1, |
1204 | _II2 __first2, _II2 __last2) |
1205 | { |
1206 | #ifdef _GLIBCXX_CONCEPT_CHECKS |
1207 | |
1208 | typedef typename iterator_traits<_II1>::value_type _ValueType1; |
1209 | typedef typename iterator_traits<_II2>::value_type _ValueType2; |
1210 | #endif |
1211 | __glibcxx_function_requires(_InputIteratorConcept<_II1>) |
1212 | __glibcxx_function_requires(_InputIteratorConcept<_II2>) |
1213 | __glibcxx_function_requires(_LessThanOpConcept<_ValueType1, _ValueType2>) |
1214 | __glibcxx_function_requires(_LessThanOpConcept<_ValueType2, _ValueType1>) |
1215 | __glibcxx_requires_valid_range(__first1, __last1); |
1216 | __glibcxx_requires_valid_range(__first2, __last2); |
1217 | |
1218 | return std::__lexicographical_compare_aux(std::__niter_base(__first1), |
1219 | std::__niter_base(__last1), |
1220 | std::__niter_base(__first2), |
1221 | std::__niter_base(__last2)); |
1222 | } |
1223 | |
1224 | |
1225 | |
1226 | |
1227 | |
1228 | |
1229 | |
1230 | |
1231 | |
1232 | |
1233 | |
1234 | |
1235 | |
1236 | |
1237 | template<typename _II1, typename _II2, typename _Compare> |
1238 | inline bool |
1239 | lexicographical_compare(_II1 __first1, _II1 __last1, |
1240 | _II2 __first2, _II2 __last2, _Compare __comp) |
1241 | { |
1242 | |
1243 | __glibcxx_function_requires(_InputIteratorConcept<_II1>) |
1244 | __glibcxx_function_requires(_InputIteratorConcept<_II2>) |
1245 | __glibcxx_requires_valid_range(__first1, __last1); |
1246 | __glibcxx_requires_valid_range(__first2, __last2); |
1247 | |
1248 | return std::__lexicographical_compare_impl |
1249 | (__first1, __last1, __first2, __last2, |
1250 | __gnu_cxx::__ops::__iter_comp_iter(__comp)); |
1251 | } |
1252 | |
1253 | template<typename _InputIterator1, typename _InputIterator2, |
1254 | typename _BinaryPredicate> |
1255 | pair<_InputIterator1, _InputIterator2> |
1256 | __mismatch(_InputIterator1 __first1, _InputIterator1 __last1, |
1257 | _InputIterator2 __first2, _BinaryPredicate __binary_pred) |
1258 | { |
1259 | while (__first1 != __last1 && __binary_pred(__first1, __first2)) |
1260 | { |
1261 | ++__first1; |
1262 | ++__first2; |
1263 | } |
1264 | return pair<_InputIterator1, _InputIterator2>(__first1, __first2); |
1265 | } |
1266 | |
1267 | |
1268 | |
1269 | |
1270 | |
1271 | |
1272 | |
1273 | |
1274 | |
1275 | |
1276 | |
1277 | |
1278 | |
1279 | |
1280 | template<typename _InputIterator1, typename _InputIterator2> |
1281 | inline pair<_InputIterator1, _InputIterator2> |
1282 | mismatch(_InputIterator1 __first1, _InputIterator1 __last1, |
1283 | _InputIterator2 __first2) |
1284 | { |
1285 | |
1286 | __glibcxx_function_requires(_InputIteratorConcept<_InputIterator1>) |
1287 | __glibcxx_function_requires(_InputIteratorConcept<_InputIterator2>) |
1288 | __glibcxx_function_requires(_EqualOpConcept< |
1289 | typename iterator_traits<_InputIterator1>::value_type, |
1290 | typename iterator_traits<_InputIterator2>::value_type>) |
1291 | __glibcxx_requires_valid_range(__first1, __last1); |
1292 | |
1293 | return _GLIBCXX_STD_A::__mismatch(__first1, __last1, __first2, |
1294 | __gnu_cxx::__ops::__iter_equal_to_iter()); |
1295 | } |
1296 | |
1297 | |
1298 | |
1299 | |
1300 | |
1301 | |
1302 | |
1303 | |
1304 | |
1305 | |
1306 | |
1307 | |
1308 | |
1309 | |
1310 | |
1311 | |
1312 | |
1313 | template<typename _InputIterator1, typename _InputIterator2, |
1314 | typename _BinaryPredicate> |
1315 | inline pair<_InputIterator1, _InputIterator2> |
1316 | mismatch(_InputIterator1 __first1, _InputIterator1 __last1, |
1317 | _InputIterator2 __first2, _BinaryPredicate __binary_pred) |
1318 | { |
1319 | |
1320 | __glibcxx_function_requires(_InputIteratorConcept<_InputIterator1>) |
1321 | __glibcxx_function_requires(_InputIteratorConcept<_InputIterator2>) |
1322 | __glibcxx_requires_valid_range(__first1, __last1); |
1323 | |
1324 | return _GLIBCXX_STD_A::__mismatch(__first1, __last1, __first2, |
1325 | __gnu_cxx::__ops::__iter_comp_iter(__binary_pred)); |
1326 | } |
1327 | |
1328 | #if __cplusplus > 201103L |
1329 | |
1330 | template<typename _InputIterator1, typename _InputIterator2, |
1331 | typename _BinaryPredicate> |
1332 | pair<_InputIterator1, _InputIterator2> |
1333 | __mismatch(_InputIterator1 __first1, _InputIterator1 __last1, |
1334 | _InputIterator2 __first2, _InputIterator2 __last2, |
1335 | _BinaryPredicate __binary_pred) |
1336 | { |
1337 | while (__first1 != __last1 && __first2 != __last2 |
1338 | && __binary_pred(__first1, __first2)) |
1339 | { |
1340 | ++__first1; |
1341 | ++__first2; |
1342 | } |
1343 | return pair<_InputIterator1, _InputIterator2>(__first1, __first2); |
1344 | } |
1345 | |
1346 | |
1347 | |
1348 | |
1349 | |
1350 | |
1351 | |
1352 | |
1353 | |
1354 | |
1355 | |
1356 | |
1357 | |
1358 | |
1359 | |
1360 | template<typename _InputIterator1, typename _InputIterator2> |
1361 | inline pair<_InputIterator1, _InputIterator2> |
1362 | mismatch(_InputIterator1 __first1, _InputIterator1 __last1, |
1363 | _InputIterator2 __first2, _InputIterator2 __last2) |
1364 | { |
1365 | |
1366 | __glibcxx_function_requires(_InputIteratorConcept<_InputIterator1>) |
1367 | __glibcxx_function_requires(_InputIteratorConcept<_InputIterator2>) |
1368 | __glibcxx_function_requires(_EqualOpConcept< |
1369 | typename iterator_traits<_InputIterator1>::value_type, |
1370 | typename iterator_traits<_InputIterator2>::value_type>) |
1371 | __glibcxx_requires_valid_range(__first1, __last1); |
1372 | __glibcxx_requires_valid_range(__first2, __last2); |
1373 | |
1374 | return _GLIBCXX_STD_A::__mismatch(__first1, __last1, __first2, __last2, |
1375 | __gnu_cxx::__ops::__iter_equal_to_iter()); |
1376 | } |
1377 | |
1378 | |
1379 | |
1380 | |
1381 | |
1382 | |
1383 | |
1384 | |
1385 | |
1386 | |
1387 | |
1388 | |
1389 | |
1390 | |
1391 | |
1392 | |
1393 | |
1394 | |
1395 | template<typename _InputIterator1, typename _InputIterator2, |
1396 | typename _BinaryPredicate> |
1397 | inline pair<_InputIterator1, _InputIterator2> |
1398 | mismatch(_InputIterator1 __first1, _InputIterator1 __last1, |
1399 | _InputIterator2 __first2, _InputIterator2 __last2, |
1400 | _BinaryPredicate __binary_pred) |
1401 | { |
1402 | |
1403 | __glibcxx_function_requires(_InputIteratorConcept<_InputIterator1>) |
1404 | __glibcxx_function_requires(_InputIteratorConcept<_InputIterator2>) |
1405 | __glibcxx_requires_valid_range(__first1, __last1); |
1406 | __glibcxx_requires_valid_range(__first2, __last2); |
1407 | |
1408 | return _GLIBCXX_STD_A::__mismatch(__first1, __last1, __first2, __last2, |
1409 | __gnu_cxx::__ops::__iter_comp_iter(__binary_pred)); |
1410 | } |
1411 | #endif |
1412 | |
1413 | _GLIBCXX_END_NAMESPACE_ALGO |
1414 | } |
1415 | |
1416 | |
1417 | |
1418 | |
1419 | #ifdef _GLIBCXX_PARALLEL |
1420 | # include <parallel/algobase.h> |
1421 | #endif |
1422 | |
1423 | #endif |
1424 | |