std::geometric_distribution< _IntType, _RealType > Class Template Reference
[Discrete Distributions]

A discrete geometric random number distribution. More...

List of all members.

Public Types

• typedef _RealType input_type
• typedef _IntType result_type

Public Member Functions

• geometric_distribution (const _RealType &__p=_RealType(0.5))
• template<class _UniformRandomNumberGenerator > result_type operator() (_UniformRandomNumberGenerator &__urng)
• _RealType p () const
• void reset ()

Friends

• template<typename _IntType1 , typename _RealType1 , typename _CharT , typename _Traits > std::basic_ostream< _CharT,
  _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &__os, const geometric_distribution< _IntType1, _RealType1 > &__x)
• template<typename _CharT , typename _Traits > std::basic_istream< _CharT,
  _Traits > & operator>> (std::basic_istream< _CharT, _Traits > &__is, geometric_distribution &__x)

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Detailed Description

template<typename _IntType = int, typename _RealType = double>
class std::geometric_distribution< _IntType, _RealType >

A discrete geometric random number distribution.

The formula for the geometric probability mass function is where is the parameter of the distribution.

Definition at line 1778 of file tr1_impl/random.

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Member Function Documentation

template<typename _IntType = int, typename _RealType = double>

_RealType std::geometric_distribution< _IntType, _RealType >::p

(

)

const [inline]

Gets the distribution parameter p.

Definition at line 1798 of file tr1_impl/random.

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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 geometric_distribution< _IntType1, _RealType1 > &	__x
	)			[friend]

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

Parameters:

	__os	An output stream.
	__x	A geometric_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 _CharT , typename _Traits >

std::basic_istream<_CharT, _Traits>& operator>>	(	std::basic_istream< _CharT, _Traits > &	__is,
		geometric_distribution< _IntType, _RealType > &	__x
	)			[friend]

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

Parameters:

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

Returns:

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

Definition at line 1835 of file tr1_impl/random.

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

• tr1_impl/random
• random.tcc