Manpages - std_binomial_distribution.3

struct param_type

typedef _IntType result_type

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
Returns the least upper bound value of the distribution.

result_type min () const
Returns the greatest lower bound value of the distribution.

template<typename _UniformRandomNumberGenerator > result_type operator() (_UniformRandomNumberGenerator &__urng)
Generating functions.

template<typename _UniformRandomNumberGenerator > result_type operator() (_UniformRandomNumberGenerator &__urng, const param_type &__p)

double p () const
Returns the distribution p parameter.

param_type param () const
Returns the parameter set of the distribution.

void param (const param_type &__param)
Sets the parameter set of the distribution.

void reset ()
Resets the distribution state.

_IntType t () const
Returns the distribution t parameter.

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)
Inserts a binomial_distribution random number distribution __x into the output stream __os.

bool operator== (const binomial_distribution &__d1, const binomial_distribution &__d2)
Return true if two binomial distributions have the same parameters and the sequences that would be generated are equal.

template<typename _IntType1 , typename _CharT , typename _Traits > std::basic_istream*< _CharT, _Traits > & *operator>> (*std::basic_istream*< _CharT, _Traits > &__is, *std::binomial_distribution*< _IntType1 > &__x)
Extracts a binomial_distribution random number distribution __x from the input stream __is.

class std::binomial_distribution< _IntType >“A discrete binomial random number distribution.

The formula for the binomial probability density function is \(p(i|t,p) = inom{t}{i} p^i (1 - p)^{t - i}\) where \(t\) and \(p\) are the parameters of the distribution.

Definition at line 3740 of file random.h.

std::binomial_distribution*< _IntType >::*result_type The type of the range of the distribution.

Definition at line 3747 of file random.h.

_IntType >::*binomial_distribution* ()= [inline]= Definition at line 3800 of file random.h.

_IntType >::*binomial_distribution* (_IntType __t, double __p = 0.5)= [inline]=, = [explicit]= Definition at line 3803 of file random.h.

_IntType >::*binomial_distribution* (const param_type & __p)= [inline]=, = [explicit]= Definition at line 3808 of file random.h.

, typename _UniformRandomNumberGenerator > void std::binomial_distribution*< _IntType >::__generate (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator & __urng)= [inline]= Definition at line *3878 of file random.h.

, typename _UniformRandomNumberGenerator > void std::binomial_distribution*< _IntType >::__generate (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator & __urng, const *param_type & __p)= [inline]= Definition at line 3885 of file random.h.

_UniformRandomNumberGenerator > void std::binomial_distribution*< _IntType >::__generate (*result_type * __f, result_type * __t, _UniformRandomNumberGenerator & __urng, const param_type & __p)= [inline]= Definition at line 3892 of file random.h.

*std::binomial_distribution*< _IntType >::max () const= [inline]= Returns the least upper bound value of the distribution.

Definition at line 3859 of file random.h.

*std::binomial_distribution*< _IntType >::min () const= [inline]= Returns the greatest lower bound value of the distribution.

Definition at line 3852 of file random.h.

_UniformRandomNumberGenerator > result_type *std::binomial_distribution*< _IntType >::operator() (_UniformRandomNumberGenerator & __urng)= [inline]= Generating functions.

Definition at line 3867 of file random.h.

References std::binomial_distribution< _IntType >::operator()().

Referenced by std::binomial_distribution< _IntType >::operator()().

_UniformRandomNumberGenerator > binomial_distribution*< _IntType >::*result_type std::binomial_distribution*< _IntType >::operator() (_UniformRandomNumberGenerator & __urng, const *param_type & __param) 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 1557 of file bits/random.tcc.

References std::numeric_limits< _Tp >::epsilon(), and std::numeric_limits< _Tp >::max().

*std::binomial_distribution*< _IntType >::p () const= [inline]= Returns the distribution p parameter.

Definition at line 3830 of file random.h.

*std::binomial_distribution*< _IntType >::param () const= [inline]= Returns the parameter set of the distribution.

Definition at line 3837 of file random.h.

_IntType >::param (const param_type & __param)= [inline]= Sets the parameter set of the distribution.

Parameters

__param The new parameter set of the distribution.

Definition at line 3845 of file random.h.

_IntType >::reset ()= [inline]= Resets the distribution state.

Definition at line 3816 of file random.h.

*std::binomial_distribution*< _IntType >::t () const= [inline]= Returns the distribution t parameter.

Definition at line 3823 of file random.h.

typename _CharT , typename _Traits > *std::basic_ostream*< _CharT, _Traits > & operator<< (*std::basic_ostream*< _CharT, _Traits > & __os, const *std::binomial_distribution*< _IntType1 > & __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.

*binomial_distribution*< _IntType > & __d1, const *binomial_distribution*< _IntType > & __d2)= [friend]= Return true if two binomial distributions have the same parameters and the sequences that would be generated are equal.

Definition at line 3903 of file random.h.

typename _CharT , typename _Traits > *std::basic_istream*< _CharT, _Traits > & operator>> (*std::basic_istream*< _CharT, _Traits > & __is, *std::binomial_distribution*< _IntType1 > & __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.