diff options
Diffstat (limited to 'contrib/libc++/include/algorithm')
| -rw-r--r-- | contrib/libc++/include/algorithm | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/contrib/libc++/include/algorithm b/contrib/libc++/include/algorithm index 39191db..703a9b3 100644 --- a/contrib/libc++/include/algorithm +++ b/contrib/libc++/include/algorithm @@ -87,30 +87,63 @@ template <class InputIterator1, class InputIterator2> pair<InputIterator1, InputIterator2> mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2); +template <class InputIterator1, class InputIterator2> + pair<InputIterator1, InputIterator2> + mismatch(InputIterator1 first1, InputIterator1 last1, + InputIterator2 first2, InputIterator2 last2); // **C++14** + template <class InputIterator1, class InputIterator2, class BinaryPredicate> pair<InputIterator1, InputIterator2> mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, BinaryPredicate pred); +template <class InputIterator1, class InputIterator2, class BinaryPredicate> + pair<InputIterator1, InputIterator2> + mismatch(InputIterator1 first1, InputIterator1 last1, + InputIterator2 first2, InputIterator2 last2, + BinaryPredicate pred); // **C++14** + template <class InputIterator1, class InputIterator2> bool equal(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2); +template <class InputIterator1, class InputIterator2> + bool + equal(InputIterator1 first1, InputIterator1 last1, + InputIterator2 first2, InputIterator2 last2); // **C++14** + template <class InputIterator1, class InputIterator2, class BinaryPredicate> bool equal(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, BinaryPredicate pred); +template <class InputIterator1, class InputIterator2, class BinaryPredicate> + bool + equal(InputIterator1 first1, InputIterator1 last1, + InputIterator2 first2, InputIterator2 last2, + BinaryPredicate pred); // **C++14** + template<class ForwardIterator1, class ForwardIterator2> bool is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2); +template<class ForwardIterator1, class ForwardIterator2> + bool + is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, + ForwardIterator2 first2, ForwardIterator2 last2); // **C++14** + template<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> bool is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2, BinaryPredicate pred); +template<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> + bool + is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, + ForwardIterator2 first2, ForwardIterator2 last2, + BinaryPredicate pred); // **C++14** + template <class ForwardIterator1, class ForwardIterator2> ForwardIterator1 search(ForwardIterator1 first1, ForwardIterator1 last1, @@ -1087,6 +1120,32 @@ mismatch(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __fi return _VSTD::mismatch(__first1, __last1, __first2, __equal_to<__v1, __v2>()); } +#if _LIBCPP_STD_VER > 11 +template <class _InputIterator1, class _InputIterator2, class _BinaryPredicate> +inline _LIBCPP_INLINE_VISIBILITY +pair<_InputIterator1, _InputIterator2> +mismatch(_InputIterator1 __first1, _InputIterator1 __last1, + _InputIterator2 __first2, _InputIterator2 __last2, + _BinaryPredicate __pred) +{ + for (; __first1 != __last1 && __first2 != __last2; ++__first1, ++__first2) + if (!__pred(*__first1, *__first2)) + break; + return pair<_InputIterator1, _InputIterator2>(__first1, __first2); +} + +template <class _InputIterator1, class _InputIterator2> +inline _LIBCPP_INLINE_VISIBILITY +pair<_InputIterator1, _InputIterator2> +mismatch(_InputIterator1 __first1, _InputIterator1 __last1, + _InputIterator2 __first2, _InputIterator2 __last2) +{ + typedef typename iterator_traits<_InputIterator1>::value_type __v1; + typedef typename iterator_traits<_InputIterator2>::value_type __v2; + return _VSTD::mismatch(__first1, __last1, __first2, __last2, __equal_to<__v1, __v2>()); +} +#endif + // equal template <class _InputIterator1, class _InputIterator2, class _BinaryPredicate> @@ -1110,6 +1169,60 @@ equal(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first return _VSTD::equal(__first1, __last1, __first2, __equal_to<__v1, __v2>()); } +#if _LIBCPP_STD_VER > 11 +template <class _BinaryPredicate, class _InputIterator1, class _InputIterator2> +inline _LIBCPP_INLINE_VISIBILITY +bool +__equal(_InputIterator1 __first1, _InputIterator1 __last1, + _InputIterator2 __first2, _InputIterator2 __last2, _BinaryPredicate __pred, + input_iterator_tag, input_iterator_tag ) +{ + for (; __first1 != __last1 && __first2 != __last2; ++__first1, ++__first2) + if (!__pred(*__first1, *__first2)) + return false; + return __first1 == __last1 && __first2 == __last2; +} + +template <class _BinaryPredicate, class _RandomAccessIterator1, class _RandomAccessIterator2> +inline _LIBCPP_INLINE_VISIBILITY +bool +__equal(_RandomAccessIterator1 __first1, _RandomAccessIterator1 __last1, + _RandomAccessIterator2 __first2, _RandomAccessIterator2 __last2, _BinaryPredicate __pred, + random_access_iterator_tag, random_access_iterator_tag ) +{ + if ( _VSTD::distance(__first1, __last1) != _VSTD::distance(__first2, __last2)) + return false; + return _VSTD::equal<_RandomAccessIterator1, _RandomAccessIterator2, + typename add_lvalue_reference<_BinaryPredicate>::type> + (__first1, __last1, __first2, __pred ); +} + +template <class _InputIterator1, class _InputIterator2, class _BinaryPredicate> +inline _LIBCPP_INLINE_VISIBILITY +bool +equal(_InputIterator1 __first1, _InputIterator1 __last1, + _InputIterator2 __first2, _InputIterator2 __last2, _BinaryPredicate __pred ) +{ + return _VSTD::__equal<typename add_lvalue_reference<_BinaryPredicate>::type> + (__first1, __last1, __first2, __last2, __pred, + typename iterator_traits<_InputIterator1>::iterator_category(), + typename iterator_traits<_InputIterator2>::iterator_category()); +} + +template <class _InputIterator1, class _InputIterator2> +inline _LIBCPP_INLINE_VISIBILITY +bool +equal(_InputIterator1 __first1, _InputIterator1 __last1, + _InputIterator2 __first2, _InputIterator2 __last2) +{ + typedef typename iterator_traits<_InputIterator1>::value_type __v1; + typedef typename iterator_traits<_InputIterator2>::value_type __v2; + return _VSTD::__equal(__first1, __last1, __first2, __last2, __equal_to<__v1, __v2>(), + typename iterator_traits<_InputIterator1>::iterator_category(), + typename iterator_traits<_InputIterator2>::iterator_category()); +} +#endif + // is_permutation template<class _ForwardIterator1, class _ForwardIterator2, class _BinaryPredicate> @@ -1169,6 +1282,100 @@ is_permutation(_ForwardIterator1 __first1, _ForwardIterator1 __last1, return _VSTD::is_permutation(__first1, __last1, __first2, __equal_to<__v1, __v2>()); } +#if _LIBCPP_STD_VER > 11 +template<class _BinaryPredicate, class _ForwardIterator1, class _ForwardIterator2> +bool +__is_permutation(_ForwardIterator1 __first1, _ForwardIterator1 __last1, + _ForwardIterator2 __first2, _ForwardIterator2 __last2, + _BinaryPredicate __pred, + forward_iterator_tag, forward_iterator_tag ) +{ + // shorten sequences as much as possible by lopping of any equal parts + for (; __first1 != __last1 && __first2 != __last2; ++__first1, ++__first2) + if (!__pred(*__first1, *__first2)) + goto __not_done; + return __first1 == __last1 && __first2 == __last2; +__not_done: + // __first1 != __last1 && __first2 != __last2 && *__first1 != *__first2 + typedef typename iterator_traits<_ForwardIterator1>::difference_type _D1; + _D1 __l1 = _VSTD::distance(__first1, __last1); + + typedef typename iterator_traits<_ForwardIterator2>::difference_type _D2; + _D2 __l2 = _VSTD::distance(__first2, __last2); + if (__l1 != __l2) + return false; + + // For each element in [f1, l1) see if there are the same number of + // equal elements in [f2, l2) + for (_ForwardIterator1 __i = __first1; __i != __last1; ++__i) + { + // Have we already counted the number of *__i in [f1, l1)? + for (_ForwardIterator1 __j = __first1; __j != __i; ++__j) + if (__pred(*__j, *__i)) + goto __next_iter; + { + // Count number of *__i in [f2, l2) + _D1 __c2 = 0; + for (_ForwardIterator2 __j = __first2; __j != __last2; ++__j) + if (__pred(*__i, *__j)) + ++__c2; + if (__c2 == 0) + return false; + // Count number of *__i in [__i, l1) (we can start with 1) + _D1 __c1 = 1; + for (_ForwardIterator1 __j = _VSTD::next(__i); __j != __last1; ++__j) + if (__pred(*__i, *__j)) + ++__c1; + if (__c1 != __c2) + return false; + } +__next_iter:; + } + return true; +} + +template<class _BinaryPredicate, class _RandomAccessIterator1, class _RandomAccessIterator2> +bool +__is_permutation(_RandomAccessIterator1 __first1, _RandomAccessIterator2 __last1, + _RandomAccessIterator1 __first2, _RandomAccessIterator2 __last2, + _BinaryPredicate __pred, + random_access_iterator_tag, random_access_iterator_tag ) +{ + if ( _VSTD::distance(__first1, __last1) != _VSTD::distance(__first2, __last2)) + return false; + return _VSTD::is_permutation<_RandomAccessIterator1, _RandomAccessIterator2, + typename add_lvalue_reference<_BinaryPredicate>::type> + (__first1, __last1, __first2, __pred ); +} + +template<class _ForwardIterator1, class _ForwardIterator2, class _BinaryPredicate> +inline _LIBCPP_INLINE_VISIBILITY +bool +is_permutation(_ForwardIterator1 __first1, _ForwardIterator1 __last1, + _ForwardIterator2 __first2, _ForwardIterator2 __last2, + _BinaryPredicate __pred ) +{ + return _VSTD::__is_permutation<typename add_lvalue_reference<_BinaryPredicate>::type> + (__first1, __last1, __first2, __last2, __pred, + typename iterator_traits<_ForwardIterator1>::iterator_category(), + typename iterator_traits<_ForwardIterator2>::iterator_category()); +} + +template<class _ForwardIterator1, class _ForwardIterator2> +inline _LIBCPP_INLINE_VISIBILITY +bool +is_permutation(_ForwardIterator1 __first1, _ForwardIterator1 __last1, + _ForwardIterator2 __first2, _ForwardIterator2 __last2) +{ + typedef typename iterator_traits<_ForwardIterator1>::value_type __v1; + typedef typename iterator_traits<_ForwardIterator2>::value_type __v2; + return _VSTD::__is_permutation(__first1, __last1, __first2, __last2, + __equal_to<__v1, __v2>(), + typename iterator_traits<_ForwardIterator1>::iterator_category(), + typename iterator_traits<_ForwardIterator2>::iterator_category()); +} +#endif + // search template <class _BinaryPredicate, class _ForwardIterator1, class _ForwardIterator2> |
