Stephen Hines | c6ca60f | 2023-05-09 02:19:22 -0700 | [diff] [blame^] | 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-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef _LIBCPP___ALGORITHM_IS_HEAP_H |
| 10 | #define _LIBCPP___ALGORITHM_IS_HEAP_H |
| 11 | |
| 12 | #include <__algorithm/comp.h> |
| 13 | #include <__algorithm/comp_ref_type.h> |
| 14 | #include <__algorithm/is_heap_until.h> |
| 15 | #include <__config> |
| 16 | #include <__iterator/iterator_traits.h> |
| 17 | |
| 18 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 19 | # pragma GCC system_header |
| 20 | #endif |
| 21 | |
| 22 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 23 | |
| 24 | template <class _RandomAccessIterator, class _Compare> |
| 25 | _LIBCPP_NODISCARD_EXT inline |
| 26 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
| 27 | bool |
| 28 | is_heap(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp) |
| 29 | { |
| 30 | return std::__is_heap_until(__first, __last, static_cast<__comp_ref_type<_Compare> >(__comp)) == __last; |
| 31 | } |
| 32 | |
| 33 | template<class _RandomAccessIterator> |
| 34 | _LIBCPP_NODISCARD_EXT inline |
| 35 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
| 36 | bool |
| 37 | is_heap(_RandomAccessIterator __first, _RandomAccessIterator __last) |
| 38 | { |
| 39 | return _VSTD::is_heap(__first, __last, __less<typename iterator_traits<_RandomAccessIterator>::value_type>()); |
| 40 | } |
| 41 | |
| 42 | _LIBCPP_END_NAMESPACE_STD |
| 43 | |
| 44 | #endif // _LIBCPP___ALGORITHM_IS_HEAP_H |