libstdc++
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struct | param_type |
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typedef _IntType | result_type |
Public Member Functions | |
binomial_distribution (_IntType __t, double __p=0.5) | |
binomial_distribution (const param_type &__p) | |
template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > | |
void | __generate (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator &__urng) |
template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > | |
void | __generate (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator &__urng, const param_type &__p) |
template<typename _UniformRandomNumberGenerator > | |
void | __generate (result_type *__f, result_type *__t, _UniformRandomNumberGenerator &__urng, const param_type &__p) |
result_type | max () const |
result_type | min () const |
template<typename _UniformRandomNumberGenerator > | |
result_type | operator() (_UniformRandomNumberGenerator &__urng) |
template<typename _UniformRandomNumberGenerator > | |
result_type | operator() (_UniformRandomNumberGenerator &__urng, const param_type &__p) |
double | p () const |
param_type | param () const |
void | param (const param_type &__param) |
void | reset () |
_IntType | t () const |
Friends | |
template<typename _IntType1 , typename _CharT , typename _Traits > | |
std::basic_ostream< _CharT, _Traits > & | operator<< (std::basic_ostream< _CharT, _Traits > &__os, const std::binomial_distribution< _IntType1 > &__x) |
bool | operator== (const binomial_distribution &__d1, const binomial_distribution &__d2) |
template<typename _IntType1 , typename _CharT , typename _Traits > | |
std::basic_istream< _CharT, _Traits > & | operator>> (std::basic_istream< _CharT, _Traits > &__is, std::binomial_distribution< _IntType1 > &__x) |
A discrete binomial random number distribution.
The formula for the binomial probability density function is where and are the parameters of the distribution.
typedef _IntType std::binomial_distribution< _IntType >::result_type |
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binomial_distribution< _IntType >::result_type std::binomial_distribution< _IntType >::operator() | ( | _UniformRandomNumberGenerator & | __urng, |
const param_type & | __param | ||
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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 1563 of file bits/random.tcc.
References std::abs(), std::numeric_limits< _Tp >::epsilon(), std::log(), and std::numeric_limits< _Tp >::max().
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Resets the distribution state.
Definition at line 3819 of file random.h.
References std::normal_distribution< _RealType >::reset().
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Inserts a binomial_distribution random number distribution __x
into the output stream __os
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__os | An output stream. |
__x | A binomial_distribution random number distribution. |
__x
inserted or in an error state.
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Extracts a binomial_distribution random number distribution __x
from the input stream __is
.
__is | An input stream. |
__x | A binomial_distribution random number generator engine. |
__x
extracted or in an error state.