1e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 2e78f53d1SNikolas Klauser // 3e78f53d1SNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4e78f53d1SNikolas Klauser // See https://llvm.org/LICENSE.txt for license information. 5e78f53d1SNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6e78f53d1SNikolas Klauser // 7e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 8e78f53d1SNikolas Klauser 9*ce777190SNikolas Klauser #ifndef _LIBCPP___CXX03___LIBCXX_DEBUG_RANDOMIZE_RANGE_H 10*ce777190SNikolas Klauser #define _LIBCPP___CXX03___LIBCXX_DEBUG_RANDOMIZE_RANGE_H 11e78f53d1SNikolas Klauser 1273fbae83SNikolas Klauser #include <__cxx03/__config> 13e78f53d1SNikolas Klauser 14e78f53d1SNikolas Klauser #ifdef _LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY 1573fbae83SNikolas Klauser # include <__cxx03/__algorithm/shuffle.h> 1673fbae83SNikolas Klauser # include <__cxx03/__type_traits/is_constant_evaluated.h> 17e78f53d1SNikolas Klauser #endif 18e78f53d1SNikolas Klauser 19e78f53d1SNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 20e78f53d1SNikolas Klauser # pragma GCC system_header 21e78f53d1SNikolas Klauser #endif 22e78f53d1SNikolas Klauser 23e78f53d1SNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD 24e78f53d1SNikolas Klauser 25e78f53d1SNikolas Klauser template <class _AlgPolicy, class _Iterator, class _Sentinel> 26e78f53d1SNikolas Klauser _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 void __debug_randomize_range(_Iterator __first, _Sentinel __last) { 27e78f53d1SNikolas Klauser #ifdef _LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY 28e78f53d1SNikolas Klauser # ifdef _LIBCPP_CXX03_LANG 29e78f53d1SNikolas Klauser # error Support for unspecified stability is only for C++11 and higher 30e78f53d1SNikolas Klauser # endif 31e78f53d1SNikolas Klauser 32e78f53d1SNikolas Klauser if (!__libcpp_is_constant_evaluated()) 33e78f53d1SNikolas Klauser std::__shuffle<_AlgPolicy>(__first, __last, __libcpp_debug_randomizer()); 34e78f53d1SNikolas Klauser #else 35e78f53d1SNikolas Klauser (void)__first; 36e78f53d1SNikolas Klauser (void)__last; 37e78f53d1SNikolas Klauser #endif 38e78f53d1SNikolas Klauser } 39e78f53d1SNikolas Klauser 40e78f53d1SNikolas Klauser _LIBCPP_END_NAMESPACE_STD 41e78f53d1SNikolas Klauser 42*ce777190SNikolas Klauser #endif // _LIBCPP___CXX03___LIBCXX_DEBUG_RANDOMIZE_RANGE_H 43