| //===----------------------------------------------------------------------===// |
| // |
| // 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_BACKENDS_CPU_BACKENDS_STABLE_SORT_H |
| #define _LIBCPP___ALGORITHM_PSTL_BACKENDS_CPU_BACKENDS_STABLE_SORT_H |
| |
| #include <__algorithm/pstl_backends/cpu_backends/backend.h> |
| #include <__algorithm/stable_sort.h> |
| #include <__config> |
| #include <__type_traits/is_execution_policy.h> |
| #include <__utility/terminate_on_exception.h> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| #if !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17 |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _ExecutionPolicy, class _RandomAccessIterator, class _Comp> |
| _LIBCPP_HIDE_FROM_ABI void |
| __pstl_stable_sort(__cpu_backend_tag, _RandomAccessIterator __first, _RandomAccessIterator __last, _Comp __comp) { |
| if constexpr (__is_parallel_execution_policy_v<_ExecutionPolicy>) { |
| std::__terminate_on_exception([&] { |
| __par_backend::__parallel_stable_sort( |
| __first, __last, __comp, [](_RandomAccessIterator __g_first, _RandomAccessIterator __g_last, _Comp __g_comp) { |
| std::stable_sort(__g_first, __g_last, __g_comp); |
| }); |
| }); |
| } else { |
| std::stable_sort(__first, __last, __comp); |
| } |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17 |
| |
| #endif // _LIBCPP___ALGORITHM_PSTL_BACKENDS_CPU_BACKENDS_STABLE_SORT_H |