std::discrete_distribution< _IntType > Class Template Reference [Poisson]

A discrete_distribution random number distribution. More...

List of all members.

Classes

• struct param_type

Public Types

• typedef _IntType result_type

Public Member Functions

• template<typename _InputIterator > discrete_distribution (_InputIterator __wbegin, _InputIterator __wend)
• template<typename _Func > discrete_distribution (size_t __nw, double __xmin, double __xmax, _Func __fw)
• discrete_distribution (const param_type &__p)
• discrete_distribution (initializer_list< double > __wl)
• result_type max () const
• result_type min () const
• template<typename _UniformRandomNumberGenerator > result_type operator() (_UniformRandomNumberGenerator &__urng, const param_type &__p)
• template<typename _UniformRandomNumberGenerator > result_type operator() (_UniformRandomNumberGenerator &__urng)
• void param (const param_type &__param)
• param_type param () const
• std::vector< double > probabilities () const
• void reset ()

Friends

• template<typename _IntType1 , typename _CharT , typename _Traits > std::basic_ostream< _CharT,
  _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &, const std::discrete_distribution< _IntType1 > &)
• template<typename _IntType1 , typename _CharT , typename _Traits > std::basic_istream< _CharT,
  _Traits > & operator>> (std::basic_istream< _CharT, _Traits > &, std::discrete_distribution< _IntType1 > &)

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Detailed Description

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

A discrete_distribution random number distribution.

The formula for the discrete probability mass function is

Definition at line 4682 of file random.h.

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Member Typedef Documentation

template<typename _IntType = int>

typedef _IntType std::discrete_distribution< _IntType >::result_type

The type of the range of the distribution.

Definition at line 4689 of file random.h.

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Member Function Documentation

template<typename _IntType = int>

result_type std::discrete_distribution< _IntType >::max

(

)

const [inline]

Returns the least upper bound value of the distribution.

Definition at line 4795 of file random.h.

References std::vector< _Tp, _Alloc >::size().

template<typename _IntType = int>

result_type std::discrete_distribution< _IntType >::min

(

)

const [inline]

Returns the greatest lower bound value of the distribution.

Definition at line 4788 of file random.h.

template<typename _IntType = int>

template<typename _UniformRandomNumberGenerator >

result_type std::discrete_distribution< _IntType >::operator()

(

_UniformRandomNumberGenerator &

__urng

)

[inline]

Generating functions.

Definition at line 4803 of file random.h.

References std::discrete_distribution< _IntType >::operator()(), and std::discrete_distribution< _IntType >::param().

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

template<typename _IntType = int>

void std::discrete_distribution< _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 4781 of file random.h.

template<typename _IntType = int>

param_type std::discrete_distribution< _IntType >::param

(

)

const [inline]

Returns the parameter set of the distribution.

Definition at line 4773 of file random.h.

Referenced by std::discrete_distribution< _IntType >::operator()(), and std::operator==().

template<typename _IntType = int>

std::vector<double> std::discrete_distribution< _IntType >::probabilities

(

)

const [inline]

Returns the probabilities of the distribution.

Definition at line 4766 of file random.h.

template<typename _IntType = int>

void std::discrete_distribution< _IntType >::reset

(

)

[inline]

Resets the distribution state.

Definition at line 4759 of file random.h.

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Friends And Related Function Documentation

template<typename _IntType = int>

template<typename _IntType1 , typename _CharT , typename _Traits >

std::basic_ostream<_CharT, _Traits>& operator<<	(	std::basic_ostream< _CharT, _Traits > &	,
		const std::discrete_distribution< _IntType1 > &
	)			[friend]

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

Parameters:

	__os	An output stream.
	__x	A discrete_distribution random number distribution.

Returns:

The output stream with the state of __x inserted or in an error state.

template<typename _IntType = int>

template<typename _IntType1 , typename _CharT , typename _Traits >

std::basic_istream<_CharT, _Traits>& operator>>	(	std::basic_istream< _CharT, _Traits > &	,
		std::discrete_distribution< _IntType1 > &
	)			[friend]

Extracts a discrete_distribution random number distribution __x from the input stream __is.

Parameters:

	__is	An input stream.
	__x	A discrete_distribution random number generator engine.

Returns:

The input stream with __x extracted or in an error state.

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

• random.h
• random.tcc