| //===----------------------------------------------------------------------===// |
| // |
| // 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___LIBCXX_DEBUG_RANDOMIZE_RANGE_H |
| #define _LIBCPP___LIBCXX_DEBUG_RANDOMIZE_RANGE_H |
| |
| #include <__config> |
| |
| #ifdef _LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY |
| # include <__algorithm/shuffle.h> |
| # include <__type_traits/is_constant_evaluated.h> |
| #endif |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _AlgPolicy, class _Iterator, class _Sentinel> |
| _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 void __debug_randomize_range(_Iterator __first, _Sentinel __last) { |
| #ifdef _LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY |
| # ifdef _LIBCPP_CXX03_LANG |
| # error Support for unspecified stability is only for C++11 and higher |
| # endif |
| |
| if (!__libcpp_is_constant_evaluated()) |
| std::__shuffle<_AlgPolicy>(__first, __last, __libcpp_debug_randomizer()); |
| #else |
| (void)__first; |
| (void)__last; |
| #endif |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___LIBCXX_DEBUG_RANDOMIZE_RANGE_H |
