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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_IS_HEAP_H10#define _LIBCPP___CXX03___ALGORITHM_IS_HEAP_H11 12#include <__cxx03/__algorithm/comp.h>13#include <__cxx03/__algorithm/comp_ref_type.h>14#include <__cxx03/__algorithm/is_heap_until.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 _RandomAccessIterator, class _Compare>25_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI bool26is_heap(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp) {27 return std::__is_heap_until(__first, __last, static_cast<__comp_ref_type<_Compare> >(__comp)) == __last;28}29 30template <class _RandomAccessIterator>31_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI bool32is_heap(_RandomAccessIterator __first, _RandomAccessIterator __last) {33 return std::is_heap(__first, __last, __less<>());34}35 36_LIBCPP_END_NAMESPACE_STD37 38#endif // _LIBCPP___CXX03___ALGORITHM_IS_HEAP_H39