| //===----------------------------------------------------------------------===// |
| // |
| // 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___CXX03___ALGORITHM_BINARY_SEARCH_H |
| #define _LIBCPP___CXX03___ALGORITHM_BINARY_SEARCH_H |
| |
| #include <__cxx03/__algorithm/comp.h> |
| #include <__cxx03/__algorithm/comp_ref_type.h> |
| #include <__cxx03/__algorithm/lower_bound.h> |
| #include <__cxx03/__config> |
| #include <__cxx03/__iterator/iterator_traits.h> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _ForwardIterator, class _Tp, class _Compare> |
| _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool |
| binary_search(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value, _Compare __comp) { |
| __first = std::lower_bound<_ForwardIterator, _Tp, __comp_ref_type<_Compare> >(__first, __last, __value, __comp); |
| return __first != __last && !__comp(__value, *__first); |
| } |
| |
| template <class _ForwardIterator, class _Tp> |
| _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool |
| binary_search(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) { |
| return std::binary_search(__first, __last, __value, __less<>()); |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___CXX03___ALGORITHM_BINARY_SEARCH_H |
