_Small_poisson_distribution< _Ty > Class Template Reference

Public Types
typedef double	_Ty1

Public Member Functions
template<class _Engine >
_Ty	operator() (_Engine &_Eng) const
void	_Init (const _Ty1 &_Mean0)

Private Attributes
_Ty1	_G0

Member Typedef Documentation

template<class _Ty = int>

typedef double _Small_poisson_distribution< _Ty >::_Ty1

Member Function Documentation

template<class _Ty = int>

void _Small_poisson_distribution< _Ty >::_Init ( const _Ty1 &  _Mean0 )

inline

        {   // set internal state
        _G0 = _CSTD exp(-_Mean0);
        }

template<class _Ty = int>

template<class _Engine >

_Ty _Small_poisson_distribution< _Ty >::operator() ( _Engine &  _Eng ) const

inline

        {   // return next value
        _Ty _Res;
        _Ty1 _Val;
        for (_Res = 0, _Val = 1.0; ; ++_Res)
            {   // count repetitions
            _Val *= _NRAND(_Eng, _Ty1);
            if (_Val <= _G0)
                break;
            }
        return (_Res);
        }

Member Data Documentation

template<class _Ty = int>

_Ty1 _Small_poisson_distribution< _Ty >::_G0

private

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The documentation for this class was generated from the following file:

• VS2015/inc/random