chromium/third_party/libc++/src/include/__random/uniform_int_distribution.h

//===----------------------------------------------------------------------===//
//
// 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___RANDOM_UNIFORM_INT_DISTRIBUTION_H
#define _LIBCPP___RANDOM_UNIFORM_INT_DISTRIBUTION_H

#include <__bit/countl.h>
#include <__config>
#include <__random/is_valid.h>
#include <__random/log2.h>
#include <__type_traits/conditional.h>
#include <__type_traits/make_unsigned.h>
#include <cstddef>
#include <cstdint>
#include <iosfwd>
#include <limits>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#  pragma GCC system_header
#endif

_LIBCPP_PUSH_MACROS
#include <__undef_macros>

_LIBCPP_BEGIN_NAMESPACE_STD

template <class _Engine, class _UIntType>
class __independent_bits_engine { … };

template <class _Engine, class _UIntType>
__independent_bits_engine<_Engine, _UIntType>::__independent_bits_engine(_Engine& __e, size_t __w)
    : … { … }

template <class _Engine, class _UIntType>
inline _UIntType __independent_bits_engine<_Engine, _UIntType>::__eval(false_type) { … }

template <class _Engine, class _UIntType>
_UIntType __independent_bits_engine<_Engine, _UIntType>::__eval(true_type) { … }

template <class _IntType = int>
class uniform_int_distribution { … };

template <class _IntType>
template <class _URNG>
typename uniform_int_distribution<_IntType>::result_type uniform_int_distribution<_IntType>::operator()(
    _URNG& __g, const param_type& __p) _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK { … }

template <class _CharT, class _Traits, class _IT>
_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const uniform_int_distribution<_IT>& __x) { … }

template <class _CharT, class _Traits, class _IT>
_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, uniform_int_distribution<_IT>& __x) { … }

_LIBCPP_END_NAMESPACE_STD

_LIBCPP_POP_MACROS

#endif // _LIBCPP___RANDOM_UNIFORM_INT_DISTRIBUTION_H