chromium/third_party/libc++/src/include/__random/discrete_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_DISCRETE_DISTRIBUTION_H
#define _LIBCPP___RANDOM_DISCRETE_DISTRIBUTION_H

#include <__algorithm/upper_bound.h>
#include <__config>
#include <__random/is_valid.h>
#include <__random/uniform_real_distribution.h>
#include <cstddef>
#include <iosfwd>
#include <numeric>
#include <vector>

#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 _IntType = int>
class _LIBCPP_TEMPLATE_VIS discrete_distribution { … };

template <class _IntType>
template <class _UnaryOperation>
discrete_distribution<_IntType>::param_type::param_type(
    size_t __nw, double __xmin, double __xmax, _UnaryOperation __fw) { … }

template <class _IntType>
void discrete_distribution<_IntType>::param_type::__init() { … }

template <class _IntType>
vector<double> discrete_distribution<_IntType>::param_type::probabilities() const { … }

template <class _IntType>
template <class _URNG>
_IntType discrete_distribution<_IntType>::operator()(_URNG& __g, const param_type& __p) { … }

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

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

_LIBCPP_END_NAMESPACE_STD

_LIBCPP_POP_MACROS

#endif // _LIBCPP___RANDOM_DISCRETE_DISTRIBUTION_H