//===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #ifndef _LIBCPP___ALGORITHM_BINARY_SEARCH_H #define _LIBCPP___ALGORITHM_BINARY_SEARCH_H #include <__algorithm/comp.h> #include <__algorithm/comp_ref_type.h> #include <__algorithm/lower_bound.h> #include <__config> #include <__iterator/iterator_traits.h> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_STD template inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 bool __binary_search(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value_, _Compare __comp) { __first = _VSTD::__lower_bound<_Compare>(__first, __last, __value_, __comp); return __first != __last && !__comp(__value_, *__first); } template _LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 bool binary_search(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value_, _Compare __comp) { typedef typename __comp_ref_type<_Compare>::type _Comp_ref; return _VSTD::__binary_search<_Comp_ref>(__first, __last, __value_, __comp); } template _LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 bool binary_search(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value_) { return _VSTD::binary_search(__first, __last, __value_, __less::value_type, _Tp>()); } _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP___ALGORITHM_BINARY_SEARCH_H