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Diffstat (limited to 'contrib/llvm-project/libcxx/include/__algorithm/is_heap.h')
-rw-r--r-- | contrib/llvm-project/libcxx/include/__algorithm/is_heap.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/__algorithm/is_heap.h b/contrib/llvm-project/libcxx/include/__algorithm/is_heap.h new file mode 100644 index 000000000000..bc3682d471aa --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__algorithm/is_heap.h @@ -0,0 +1,48 @@ +//===----------------------------------------------------------------------===// +// +// 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_IS_HEAP_H +#define _LIBCPP___ALGORITHM_IS_HEAP_H + +#include <__config> +#include <__algorithm/comp.h> +#include <__algorithm/is_heap_until.h> +#include <__iterator/iterator_traits.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _RandomAccessIterator, class _Compare> +_LIBCPP_NODISCARD_EXT inline +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +bool +is_heap(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp) +{ + return _VSTD::is_heap_until(__first, __last, __comp) == __last; +} + +template<class _RandomAccessIterator> +_LIBCPP_NODISCARD_EXT inline +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +bool +is_heap(_RandomAccessIterator __first, _RandomAccessIterator __last) +{ + return _VSTD::is_heap(__first, __last, __less<typename iterator_traits<_RandomAccessIterator>::value_type>()); +} + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___ALGORITHM_IS_HEAP_H |