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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