std::tr1::binomial_distribution(3)

NAME

std::tr1::binomial_distribution

SYNOPSIS

Detailed Description

template<typename _IntType = int, typename _RealType = double> class o
std::tr1::binomial_distribution< _IntType, _RealType > m The formula for the binomial probability mass function is $ p(i) = {}
p^i (1 - p)^{t - i} $ where $ t $ and $ p $ are the parameters of the distribution. }
{
Definition at line 1916 of file random.
Public Types
typedef _RealType input_type
typedef _IntType result_type
Public Member Functions
binomial_distribution (_IntType __t=1, const _RealType
&__p=_RealType(0.5))
template<class _UniformRandomNumberGenerator> result_type operator()
(_UniformRandomNumberGenerator &__urng)
_RealType p () const
void reset ()
_IntType t () const
Friends
template<typename _IntType1, typename _RealType1, typename _CharT,
typename _Traits> std::basic_ostream< _CharT, _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &__os, const binomial_distribution< _IntType1, _RealType1 > &__x)
template<typename _IntType1, typename _RealType1, typename _CharT,
typename _Traits> std::basic_istream< _CharT, _Traits > & operator>> (std::basic_istream< _CharT, _Traits > &__is, binomial_distribution< _IntType1, _RealType1 > &__x)

Member Function Documentation

template<typename _IntType, typename _RealType> template<class
_UniformRandomNumberGenerator> binomial_distribution< _IntType, _RealType >::result_type std::tr1::binomial_distribution< _IntType, _RealType >::operator() (_UniformRandomNumberGenerator & __urng) [inline]
A rejection algorithm when t * p >= 8 and a simple waiting time method - the second in the referenced book - otherwise. NB: The former is
available only if _GLIBCXX_USE_C99_MATH_TR1 is defined.
Reference: Devroye, L. 'Non-Uniform Random Variates Generation.'
Springer-Verlag, New York, 1986, Ch. X, Sect. 4 (+ Errata!).
Definition at line 1131 of file random.tcc.
References std::numeric_limits< _Tp >::epsilon(), and
std::numeric_limits< _Tp >::max().
template<typename _IntType = int, typename _RealType = double> _RealType
std::tr1::binomial_distribution< _IntType, _RealType >::p () const [inline]
Gets the distribution p parameter.
Definition at line 1944 of file random.
template<typename _IntType = int, typename _RealType = double> _IntType
std::tr1::binomial_distribution< _IntType, _RealType >::t () const [inline]
Gets the distribution t parameter.
Definition at line 1937 of file random.

Friends And Related Function Documentation

template<typename _IntType = int, typename _RealType = double>
template<typename _IntType1, typename _RealType1, typename _CharT, typename _Traits> std::basic_ostream<_CharT, _Traits>& operator<< (std::basic_ostream< _CharT, _Traits > & __os, const binomial_distribution< _IntType1, _RealType1 > & __x) [friend] Inserts a binomial_distribution random number distribution __x into the output stream __os.
Parameters:
__os An output stream.
__x A binomial_distribution random number distribution.
Returns:
The output stream with the state of __x inserted or in an error
state.
template<typename _IntType = int, typename _RealType = double>
template<typename _IntType1, typename _RealType1, typename _CharT, typename _Traits> std::basic_istream<_CharT, _Traits>& operator>> (std::basic_istream< _CharT, _Traits > & __is, binomial_distribution< _IntType1, _RealType1 > & __x) [friend] Extracts a binomial_distribution random number distribution __x from
the input stream __is.
Parameters:
__is An input stream.
__x A binomial_distribution random number generator engine.
Returns:
The input stream with __x extracted or in an error state.

Author

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