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[rand.dist.pois.poisson]
llvm-svn: 103814
This commit is contained in:
parent
e9ac7ad68c
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0e675818f1
@ -672,7 +672,60 @@ template<class IntType = int>
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class negative_binomial_distribution;
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template<class IntType = int>
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class poisson_distribution;
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class poisson_distribution
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{
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public:
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// types
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typedef IntType result_type;
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class param_type
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{
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public:
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typedef poisson_distribution distribution_type;
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explicit param_type(double mean = 1.0);
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double mean() const;
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friend bool operator==(const param_type& x, const param_type& y);
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friend bool operator!=(const param_type& x, const param_type& y);
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};
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// constructors and reset functions
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explicit poisson_distribution(double mean = 1.0);
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explicit poisson_distribution(const param_type& parm);
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void reset();
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// generating functions
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template<class URNG> result_type operator()(URNG& g);
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template<class URNG> result_type operator()(URNG& g, const param_type& parm);
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// property functions
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double mean() const;
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param_type param() const;
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void param(const param_type& parm);
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result_type min() const;
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result_type max() const;
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friend bool operator==(const poisson_distribution& x,
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const poisson_distribution& y);
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friend bool operator!=(const poisson_distribution& x,
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const poisson_distribution& y);
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template <class charT, class traits>
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friend
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os,
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const poisson_distribution& x);
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template <class charT, class traits>
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friend
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basic_istream<charT, traits>&
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operator>>(basic_istream<charT, traits>& is,
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poisson_distribution& x);
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};
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template<class RealType = double>
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class exponential_distribution
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@ -3181,6 +3234,149 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
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return __is;
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}
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// poisson_distribution
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template<class _IntType = int>
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class poisson_distribution
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{
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public:
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// types
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typedef _IntType result_type;
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class param_type
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{
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double __mean_;
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double __sq_;
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double __alxm_;
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double __g_;
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public:
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typedef poisson_distribution distribution_type;
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explicit param_type(double __mean = 1.0);
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double mean() const {return __mean_;}
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friend bool operator==(const param_type& __x, const param_type& __y)
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{return __x.__mean_ == __y.__mean_;}
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friend bool operator!=(const param_type& __x, const param_type& __y)
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{return !(__x == __y);}
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friend class poisson_distribution;
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};
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private:
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param_type __p_;
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public:
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// constructors and reset functions
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explicit poisson_distribution(double __mean = 1.0) : __p_(__mean) {}
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explicit poisson_distribution(const param_type& __p) : __p_(__p) {}
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void reset() {}
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// generating functions
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template<class _URNG> result_type operator()(_URNG& __g)
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{return (*this)(__g, __p_);}
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template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p);
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// property functions
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double mean() const {return __p_.mean();}
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param_type param() const {return __p_;}
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void param(const param_type& __p) {__p_ = __p;}
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result_type min() const {return 0;}
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result_type max() const {return numeric_limits<result_type>::max();}
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friend bool operator==(const poisson_distribution& __x,
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const poisson_distribution& __y)
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{return __x.__p_ == __y.__p_;}
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friend bool operator!=(const poisson_distribution& __x,
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const poisson_distribution& __y)
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{return !(__x == __y);}
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};
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template<class _IntType>
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poisson_distribution<_IntType>::param_type::param_type(double __mean)
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: __mean_(__mean)
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{
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if (__mean_ < 12.0)
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{
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__g_ = _STD::exp(-__mean_);
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__alxm_ = 0;
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__sq_ = 0;
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}
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else
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{
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__sq_ = _STD::sqrt(2.0 * __mean_);
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__alxm_ = _STD::log(__mean_);
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__g_ = __mean_ * __alxm_ - _STD::lgamma(__mean_ + 1);
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}
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}
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template <class _IntType>
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template<class _URNG>
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_IntType
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poisson_distribution<_IntType>::operator()(_URNG& __g, const param_type& __p)
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{
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result_type __x;
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uniform_real_distribution<double> __gen;
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if (__p.__mean_ < 12.0)
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{
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__x = result_type(~0);
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double __t = 1;
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do
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{
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++__x;
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__t *= __gen(__g);
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} while (__t > __p.__g_);
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}
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else
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{
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double __t;
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const double __pi = 3.14159265358979323846264338328;
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do
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{
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double _X;
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double __y;
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do
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{
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__y = _STD::tan(__pi * __gen(__g));
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_X = __p.__sq_ * __y + __p.__mean_;
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} while (_X < 0);
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__x = static_cast<result_type>(_X);
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__t = 0.9 * (1 + __y * __y) * _STD::exp(__x * __p.__alxm_ -
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_STD::lgamma(__x + 1.0) - __p.__g_);
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} while (__gen(__g) > __t);
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}
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return __x;
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}
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template <class _CharT, class _Traits, class _IntType>
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os,
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const poisson_distribution<_IntType>& __x)
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{
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__save_flags<_CharT, _Traits> _(__os);
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__os.flags(ios_base::dec | ios_base::left);
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return __os << __x.mean();
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}
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template <class _CharT, class _Traits, class _IntType>
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basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is,
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poisson_distribution<_IntType>& __x)
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{
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typedef poisson_distribution<_IntType> _Eng;
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typedef typename _Eng::param_type param_type;
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__save_flags<_CharT, _Traits> _(__is);
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__is.flags(ios_base::dec | ios_base::skipws);
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double __mean;
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__is >> __mean;
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if (!__is.fail())
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__x.param(param_type(__mean));
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return __is;
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}
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// exponential_distribution
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template<class _RealType = double>
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@ -0,0 +1,34 @@
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <random>
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// template<class IntType = int>
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// class poisson_distribution
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// poisson_distribution& operator=(const poisson_distribution&);
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#include <random>
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#include <cassert>
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void
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test1()
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{
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typedef std::poisson_distribution<> D;
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D d1(0.75);
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D d2;
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assert(d1 != d2);
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d2 = d1;
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assert(d1 == d2);
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}
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int main()
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{
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test1();
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}
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <random>
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// template<class IntType = int>
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// class poisson_distribution
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// poisson_distribution(const poisson_distribution&);
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#include <random>
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#include <cassert>
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void
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test1()
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{
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typedef std::poisson_distribution<> D;
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D d1(1.75);
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D d2 = d1;
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assert(d1 == d2);
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}
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int main()
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{
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test1();
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}
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <random>
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// template<class IntType = int>
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// class poisson_distribution
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// explicit poisson_distribution(RealType lambda = 1.0);
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#include <random>
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#include <cassert>
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int main()
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{
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{
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typedef std::poisson_distribution<> D;
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D d;
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assert(d.mean() == 1);
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}
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{
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typedef std::poisson_distribution<> D;
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D d(3.5);
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assert(d.mean() == 3.5);
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}
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}
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <random>
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// template<class IntType = int>
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// class poisson_distribution
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// explicit poisson_distribution(const param_type& parm);
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#include <random>
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#include <cassert>
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int main()
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{
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{
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typedef std::poisson_distribution<> D;
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typedef D::param_type P;
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P p(0.25);
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D d(p);
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assert(d.mean() == 0.25);
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}
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}
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <random>
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// template<class IntType = int>
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// class poisson_distribution
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// bool operator=(const poisson_distribution& x,
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// const poisson_distribution& y);
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// bool operator!(const poisson_distribution& x,
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// const poisson_distribution& y);
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#include <random>
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#include <cassert>
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int main()
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{
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{
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typedef std::poisson_distribution<> D;
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D d1(.25);
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D d2(.25);
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assert(d1 == d2);
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}
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{
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typedef std::poisson_distribution<> D;
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D d1(.28);
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D d2(.25);
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assert(d1 != d2);
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}
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}
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <random>
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// template<class IntType = int>
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// class poisson_distribution
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// template<class _URNG> result_type operator()(_URNG& g);
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#include <random>
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#include <cassert>
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#include <vector>
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#include <numeric>
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template <class T>
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inline
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T
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sqr(T x)
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{
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return x * x;
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}
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int main()
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{
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{
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typedef std::poisson_distribution<> D;
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typedef std::minstd_rand G;
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G g;
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D d(2);
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const int N = 100000;
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std::vector<double> u;
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for (int i = 0; i < N; ++i)
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u.push_back(d(g));
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double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
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double var = 0;
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for (int i = 0; i < u.size(); ++i)
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var += sqr(u[i] - mean);
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var /= u.size();
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double x_mean = d.mean();
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double x_var = d.mean();
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assert(std::abs(mean - x_mean) / x_mean < 0.01);
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assert(std::abs(var - x_var) / x_var < 0.01);
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}
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{
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typedef std::poisson_distribution<> D;
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typedef std::minstd_rand G;
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G g;
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D d(0.75);
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const int N = 100000;
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std::vector<double> u;
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for (int i = 0; i < N; ++i)
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u.push_back(d(g));
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double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
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double var = 0;
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for (int i = 0; i < u.size(); ++i)
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var += sqr(u[i] - mean);
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var /= u.size();
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double x_mean = d.mean();
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double x_var = d.mean();
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assert(std::abs(mean - x_mean) / x_mean < 0.01);
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assert(std::abs(var - x_var) / x_var < 0.01);
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}
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{
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typedef std::poisson_distribution<> D;
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typedef std::minstd_rand G;
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G g;
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D d(20);
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const int N = 10000;
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std::vector<double> u;
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for (int i = 0; i < N; ++i)
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u.push_back(d(g));
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double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
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double var = 0;
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for (int i = 0; i < u.size(); ++i)
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var += sqr(u[i] - mean);
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var /= u.size();
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double x_mean = d.mean();
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double x_var = d.mean();
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assert(std::abs(mean - x_mean) / x_mean < 0.01);
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assert(std::abs(var - x_var) / x_var < 0.01);
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}
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}
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <random>
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// template<class IntType = int>
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// class poisson_distribution
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// template<class _URNG> result_type operator()(_URNG& g, const param_type& parm);
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#include <random>
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#include <cassert>
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#include <vector>
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#include <numeric>
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template <class T>
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inline
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T
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sqr(T x)
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{
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return x * x;
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}
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int main()
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{
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{
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typedef std::poisson_distribution<> D;
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typedef D::param_type P;
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typedef std::minstd_rand G;
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G g;
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D d(.75);
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P p(2);
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const int N = 100000;
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std::vector<double> u;
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for (int i = 0; i < N; ++i)
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u.push_back(d(g, p));
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double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
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double var = 0;
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for (int i = 0; i < u.size(); ++i)
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var += sqr(u[i] - mean);
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var /= u.size();
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double x_mean = p.mean();
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double x_var = p.mean();
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assert(std::abs(mean - x_mean) / x_mean < 0.01);
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assert(std::abs(var - x_var) / x_var < 0.01);
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}
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{
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typedef std::poisson_distribution<> D;
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typedef D::param_type P;
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typedef std::minstd_rand G;
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G g;
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D d(2);
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P p(.75);
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const int N = 100000;
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std::vector<double> u;
|
||||
for (int i = 0; i < N; ++i)
|
||||
u.push_back(d(g, p));
|
||||
double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
|
||||
double var = 0;
|
||||
for (int i = 0; i < u.size(); ++i)
|
||||
var += sqr(u[i] - mean);
|
||||
var /= u.size();
|
||||
double x_mean = p.mean();
|
||||
double x_var = p.mean();
|
||||
assert(std::abs(mean - x_mean) / x_mean < 0.01);
|
||||
assert(std::abs(var - x_var) / x_var < 0.01);
|
||||
}
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
typedef D::param_type P;
|
||||
typedef std::minstd_rand G;
|
||||
G g;
|
||||
D d(2);
|
||||
P p(20);
|
||||
const int N = 10000;
|
||||
std::vector<double> u;
|
||||
for (int i = 0; i < N; ++i)
|
||||
u.push_back(d(g, p));
|
||||
double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
|
||||
double var = 0;
|
||||
for (int i = 0; i < u.size(); ++i)
|
||||
var += sqr(u[i] - mean);
|
||||
var /= u.size();
|
||||
double x_mean = p.mean();
|
||||
double x_var = p.mean();
|
||||
assert(std::abs(mean - x_mean) / x_mean < 0.01);
|
||||
assert(std::abs(var - x_var) / x_var < 0.01);
|
||||
}
|
||||
}
|
@ -0,0 +1,29 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// <random>
|
||||
|
||||
// template<class IntType = int>
|
||||
// class poisson_distribution
|
||||
|
||||
// param_type param() const;
|
||||
|
||||
#include <random>
|
||||
#include <cassert>
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
typedef D::param_type P;
|
||||
P p(.125);
|
||||
D d(p);
|
||||
assert(d.param() == p);
|
||||
}
|
||||
}
|
@ -0,0 +1,41 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// <random>
|
||||
|
||||
// template<class IntType = int>
|
||||
// class poisson_distribution
|
||||
|
||||
// template <class CharT, class Traits, class IntType>
|
||||
// basic_ostream<CharT, Traits>&
|
||||
// operator<<(basic_ostream<CharT, Traits>& os,
|
||||
// const poisson_distribution<RealType>& x);
|
||||
|
||||
// template <class CharT, class Traits, class IntType>
|
||||
// basic_istream<CharT, Traits>&
|
||||
// operator>>(basic_istream<CharT, Traits>& is,
|
||||
// poisson_distribution<RealType>& x);
|
||||
|
||||
#include <random>
|
||||
#include <sstream>
|
||||
#include <cassert>
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
D d1(7);
|
||||
std::ostringstream os;
|
||||
os << d1;
|
||||
std::istringstream is(os.str());
|
||||
D d2;
|
||||
is >> d2;
|
||||
assert(d1 == d2);
|
||||
}
|
||||
}
|
@ -0,0 +1,28 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// <random>
|
||||
|
||||
// template<class IntType = int>
|
||||
// class poisson_distribution
|
||||
|
||||
// result_type max() const;
|
||||
|
||||
#include <random>
|
||||
#include <cassert>
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
D d(.25);
|
||||
D::result_type m = d.max();
|
||||
assert(m == std::numeric_limits<int>::max());
|
||||
}
|
||||
}
|
@ -0,0 +1,27 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// <random>
|
||||
|
||||
// template<class IntType = int>
|
||||
// class poisson_distribution
|
||||
|
||||
// result_type min() const;
|
||||
|
||||
#include <random>
|
||||
#include <cassert>
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
D d(.5);
|
||||
assert(d.min() == 0);
|
||||
}
|
||||
}
|
@ -0,0 +1,31 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// <random>
|
||||
|
||||
// template<class IntType = int>
|
||||
// class poisson_distribution
|
||||
// {
|
||||
// class param_type;
|
||||
|
||||
#include <random>
|
||||
#include <limits>
|
||||
#include <cassert>
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
typedef D::param_type param_type;
|
||||
param_type p0(.7);
|
||||
param_type p;
|
||||
p = p0;
|
||||
assert(p.mean() == .7);
|
||||
}
|
||||
}
|
@ -0,0 +1,30 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// <random>
|
||||
|
||||
// template<class IntType = int>
|
||||
// class poisson_distribution
|
||||
// {
|
||||
// class param_type;
|
||||
|
||||
#include <random>
|
||||
#include <limits>
|
||||
#include <cassert>
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
typedef D::param_type param_type;
|
||||
param_type p0(.125);
|
||||
param_type p = p0;
|
||||
assert(p.mean() == .125);
|
||||
}
|
||||
}
|
@ -0,0 +1,35 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// <random>
|
||||
|
||||
// template<class IntType = int>
|
||||
// class poisson_distribution
|
||||
// {
|
||||
// class param_type;
|
||||
|
||||
#include <random>
|
||||
#include <limits>
|
||||
#include <cassert>
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
typedef D::param_type param_type;
|
||||
param_type p;
|
||||
assert(p.mean() == 1);
|
||||
}
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
typedef D::param_type param_type;
|
||||
param_type p(10);
|
||||
assert(p.mean() == 10);
|
||||
}
|
||||
}
|
@ -0,0 +1,37 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// <random>
|
||||
|
||||
// template<class IntType = int>
|
||||
// class poisson_distribution
|
||||
// {
|
||||
// class param_type;
|
||||
|
||||
#include <random>
|
||||
#include <limits>
|
||||
#include <cassert>
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
typedef D::param_type param_type;
|
||||
param_type p1(0.75);
|
||||
param_type p2(0.75);
|
||||
assert(p1 == p2);
|
||||
}
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
typedef D::param_type param_type;
|
||||
param_type p1(0.75);
|
||||
param_type p2(0.5);
|
||||
assert(p1 != p2);
|
||||
}
|
||||
}
|
@ -0,0 +1,28 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// <random>
|
||||
|
||||
// template<class IntType = int>
|
||||
// class poisson_distribution
|
||||
// {
|
||||
// class param_type;
|
||||
|
||||
#include <random>
|
||||
#include <type_traits>
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
typedef D::param_type param_type;
|
||||
typedef param_type::distribution_type distribution_type;
|
||||
static_assert((std::is_same<D, distribution_type>::value), "");
|
||||
}
|
||||
}
|
@ -0,0 +1,30 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// <random>
|
||||
|
||||
// template<class RealType = double>
|
||||
// class poisson_distribution;
|
||||
|
||||
// void param(const param_type& parm);
|
||||
|
||||
#include <random>
|
||||
#include <cassert>
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
typedef D::param_type P;
|
||||
P p(0.25);
|
||||
D d(0.75);
|
||||
d.param(p);
|
||||
assert(d.param() == p);
|
||||
}
|
||||
}
|
@ -0,0 +1,34 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// <random>
|
||||
|
||||
// template<class IntType = int>
|
||||
// class poisson_distribution
|
||||
// {
|
||||
// public:
|
||||
// // types
|
||||
// typedef RealType result_type;
|
||||
|
||||
#include <random>
|
||||
#include <type_traits>
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
typedef std::poisson_distribution<> D;
|
||||
typedef D::result_type result_type;
|
||||
static_assert((std::is_same<result_type, int>::value), "");
|
||||
}
|
||||
{
|
||||
typedef std::poisson_distribution<unsigned long long> D;
|
||||
typedef D::result_type result_type;
|
||||
static_assert((std::is_same<result_type, unsigned long long>::value), "");
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue
Block a user