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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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___CXX03___ALGORITHM_BINARY_SEARCH_H10#define _LIBCPP___CXX03___ALGORITHM_BINARY_SEARCH_H11 12#include <__cxx03/__algorithm/comp.h>13#include <__cxx03/__algorithm/comp_ref_type.h>14#include <__cxx03/__algorithm/lower_bound.h>15#include <__cxx03/__config>16#include <__cxx03/__iterator/iterator_traits.h>17 18#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)19# pragma GCC system_header20#endif21 22_LIBCPP_BEGIN_NAMESPACE_STD23 24template <class _ForwardIterator, class _Tp, class _Compare>25_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI bool26binary_search(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value, _Compare __comp) {27 __first = std::lower_bound<_ForwardIterator, _Tp, __comp_ref_type<_Compare> >(__first, __last, __value, __comp);28 return __first != __last && !__comp(__value, *__first);29}30 31template <class _ForwardIterator, class _Tp>32_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI bool33binary_search(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) {34 return std::binary_search(__first, __last, __value, __less<>());35}36 37_LIBCPP_END_NAMESPACE_STD38 39#endif // _LIBCPP___CXX03___ALGORITHM_BINARY_SEARCH_H40