std_lognormal_distribution.3cxx

Langue: en

Version: 359431 (ubuntu - 24/10/10)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

std::lognormal_distribution -

A lognormal_distribution random number distribution.

SYNOPSIS


Classes


struct param_type

Public Types


typedef _RealType result_type

Public Member Functions


lognormal_distribution (_RealType __m=_RealType(0), _RealType __s=_RealType(1))

lognormal_distribution (const param_type &__p)

_RealType m () const

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

void reset ()

_RealType s () const

Friends


template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_ostream< _CharT, _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &, const std::lognormal_distribution< _RealType1 > &)

template<typename _RealType1 > bool operator== (const std::lognormal_distribution< _RealType1 > &__d1, const std::lognormal_distribution< _RealType1 > &__d2)

template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_istream< _CharT, _Traits > & operator>> (std::basic_istream< _CharT, _Traits > &, std::lognormal_distribution< _RealType1 > &)

Detailed Description

template<typename _RealType = double> class std::lognormal_distribution< _RealType >

A lognormal_distribution random number distribution.

The formula for the normal probability mass function is \

Definition at line 2174 of file random.h.

Member Typedef Documentation

template<typename _RealType = double> typedef _RealType std::lognormal_distribution< _RealType >::result_typeThe type of the range of the distribution.

Definition at line 2181 of file random.h.

Member Function Documentation

template<typename _RealType = double> result_type std::lognormal_distribution< _RealType >::max () const [inline]

Returns the least upper bound value of the distribution.

Definition at line 2265 of file random.h.

template<typename _RealType = double> result_type std::lognormal_distribution< _RealType >::min () const [inline]

Returns the greatest lower bound value of the distribution.

Definition at line 2258 of file random.h.

template<typename _RealType = double> template<typename _UniformRandomNumberGenerator > result_type std::lognormal_distribution< _RealType >::operator() (_UniformRandomNumberGenerator & __urng) [inline]

Generating functions.

Definition at line 2273 of file random.h.

References std::lognormal_distribution< _RealType >::operator()(), and std::lognormal_distribution< _RealType >::param().

Referenced by std::lognormal_distribution< _RealType >::operator()().

template<typename _RealType = double> void std::lognormal_distribution< _RealType >::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 2251 of file random.h.

template<typename _RealType = double> param_type std::lognormal_distribution< _RealType >::param () const [inline]

Returns the parameter set of the distribution.

Definition at line 2243 of file random.h.

Referenced by std::lognormal_distribution< _RealType >::operator()().

template<typename _RealType = double> void std::lognormal_distribution< _RealType >::reset () [inline]Resets the distribution state.

Definition at line 2225 of file random.h.

References std::normal_distribution< _RealType >::reset().

template<typename _RealType = double> template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_ostream<_CharT, _Traits>& operator<< (std::basic_ostream< _CharT, _Traits > &, const std::lognormal_distribution< _RealType1 > &) [friend]

Inserts a lognormal_distribution random number distribution __x into the output stream __os. Parameters:

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

Returns:

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

template<typename _RealType = double> template<typename _RealType1 > bool operator== (const std::lognormal_distribution< _RealType1 > & __d1, const std::lognormal_distribution< _RealType1 > & __d2) [friend]

Return true if two lognormal distributions have the same parameters and the sequences that would be generated are equal.

Definition at line 2289 of file random.h.

template<typename _RealType = double> template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_istream<_CharT, _Traits>& operator>> (std::basic_istream< _CharT, _Traits > &, std::lognormal_distribution< _RealType1 > &) [friend]

Extracts a lognormal_distribution random number distribution __x from the input stream __is. Parameters:

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

Returns:

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

Author

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