| //===----------------------------------------------------------------------===// |
| // |
| // 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_PSTL_STABLE_SORT_H |
| #define _LIBCPP___ALGORITHM_PSTL_STABLE_SORT_H |
| |
| #include <__config> |
| #include <__functional/operations.h> |
| #include <__iterator/cpp17_iterator_concepts.h> |
| #include <__pstl/configuration.h> |
| #include <__type_traits/enable_if.h> |
| #include <__type_traits/is_execution_policy.h> |
| #include <__type_traits/remove_cvref.h> |
| #include <__utility/empty.h> |
| #include <__utility/move.h> |
| #include <optional> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_PUSH_MACROS |
| #include <__undef_macros> |
| |
| #if !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17 |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _ExecutionPolicy, |
| class _RandomAccessIterator, |
| class _Comp = less<>, |
| class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>, |
| enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0> |
| [[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<__empty> __stable_sort( |
| _ExecutionPolicy&&, _RandomAccessIterator&& __first, _RandomAccessIterator&& __last, _Comp&& __comp = {}) noexcept { |
| using _Backend = typename __select_backend<_RawPolicy>::type; |
| return std::__pstl_stable_sort<_RawPolicy>(_Backend{}, std::move(__first), std::move(__last), std::move(__comp)); |
| } |
| |
| template <class _ExecutionPolicy, |
| class _RandomAccessIterator, |
| class _Comp = less<>, |
| class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>, |
| enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0> |
| _LIBCPP_HIDE_FROM_ABI void stable_sort( |
| _ExecutionPolicy&& __policy, _RandomAccessIterator __first, _RandomAccessIterator __last, _Comp __comp = {}) { |
| _LIBCPP_REQUIRE_CPP17_RANDOM_ACCESS_ITERATOR(_RandomAccessIterator, "stable_sort requires RandomAccessIterators"); |
| if (!std::__stable_sort(__policy, std::move(__first), std::move(__last), std::move(__comp))) |
| std::__throw_bad_alloc(); |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17 |
| |
| _LIBCPP_POP_MACROS |
| |
| #endif // _LIBCPP___ALGORITHM_PSTL_STABLE_SORT_H |