1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___ALGORITHM_IS_SORTED_H 10 #define _LIBCPP___ALGORITHM_IS_SORTED_H 11 12 #include <__algorithm/comp.h> 13 #include <__algorithm/comp_ref_type.h> 14 #include <__algorithm/is_sorted_until.h> 15 #include <__config> 16 #include <__iterator/iterator_traits.h> 17 18 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 19 # pragma GCC system_header 20 #endif 21 22 _LIBCPP_BEGIN_NAMESPACE_STD 23 24 template <class _ForwardIterator, class _Compare> 25 _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool 26 is_sorted(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp) { 27 return std::__is_sorted_until<__comp_ref_type<_Compare> >(__first, __last, __comp) == __last; 28 } 29 30 template <class _ForwardIterator> 31 _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool 32 is_sorted(_ForwardIterator __first, _ForwardIterator __last) { 33 return std::is_sorted(__first, __last, __less<>()); 34 } 35 36 _LIBCPP_END_NAMESPACE_STD 37 38 #endif // _LIBCPP___ALGORITHM_IS_SORTED_H 39