libstdc++
Classes | Public Types | Public Member Functions | Friends | List of all members
std::geometric_distribution< _IntType > Class Template Reference

Classes

struct  param_type
 

Public Types

typedef _IntType result_type
 

Public Member Functions

 geometric_distribution (const param_type &__p)
 
 geometric_distribution (double __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 ()
 

Friends

bool operator== (const geometric_distribution &__d1, const geometric_distribution &__d2)
 

Detailed Description

template<typename _IntType = int>
class std::geometric_distribution< _IntType >

A discrete geometric random number distribution.

The formula for the geometric probability density function is $p(i|p) = p(1 - p)^{i}$ where $p$ is the parameter of the distribution.

Definition at line 3978 of file random.h.

Member Typedef Documentation

◆ result_type

template<typename _IntType = int>
typedef _IntType std::geometric_distribution< _IntType >::result_type

The type of the range of the distribution.

Definition at line 3985 of file random.h.

Member Function Documentation

◆ max()

template<typename _IntType = int>
result_type std::geometric_distribution< _IntType >::max ( ) const
inline

Returns the least upper bound value of the distribution.

Definition at line 4080 of file random.h.

References std::numeric_limits< _Tp >::max().

◆ min()

template<typename _IntType = int>
result_type std::geometric_distribution< _IntType >::min ( ) const
inline

Returns the greatest lower bound value of the distribution.

Definition at line 4073 of file random.h.

◆ operator()()

template<typename _IntType = int>
template<typename _UniformRandomNumberGenerator >
result_type std::geometric_distribution< _IntType >::operator() ( _UniformRandomNumberGenerator &  __urng)
inline

Generating functions.

Definition at line 4088 of file random.h.

◆ p()

template<typename _IntType = int>
double std::geometric_distribution< _IntType >::p ( ) const
inline

Returns the distribution parameter p.

Definition at line 4051 of file random.h.

◆ param() [1/2]

template<typename _IntType = int>
param_type std::geometric_distribution< _IntType >::param ( ) const
inline

Returns the parameter set of the distribution.

Definition at line 4058 of file random.h.

Referenced by std::operator>>().

◆ param() [2/2]

template<typename _IntType = int>
void std::geometric_distribution< _IntType >::param ( const param_type &  __param)
inline

Sets the parameter set of the distribution.

Parameters
__paramThe new parameter set of the distribution.

Definition at line 4066 of file random.h.

◆ reset()

template<typename _IntType = int>
void std::geometric_distribution< _IntType >::reset ( )
inline

Resets the distribution state.

Does nothing for the geometric distribution.

Definition at line 4045 of file random.h.

Friends And Related Function Documentation

◆ operator==

template<typename _IntType = int>
bool operator== ( const geometric_distribution< _IntType > &  __d1,
const geometric_distribution< _IntType > &  __d2 
)
friend

Return true if two geometric distributions have the same parameters.

Definition at line 4123 of file random.h.

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