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std_exponential_distribution.3cxx
Langue: en
Version: 346950 (ubuntu - 24/10/10)
Section: 3 (Bibliothèques de fonctions)
Sommaire
- NAME
- SYNOPSIS
- Detailed Description
- Member Typedef Documentation
- Constructor & Destructor Documentation
- Member Function Documentation
- template<typename _RealType = double> _RealType std::exponential_distribution< _RealType >::lambda () const [inline]
- template<typename _RealType = double> result_type std::exponential_distribution< _RealType >::max () const [inline]
- template<typename _RealType = double> result_type std::exponential_distribution< _RealType >::min () const [inline]
- template<typename _RealType = double> template<typename _UniformRandomNumberGenerator > result_type std::exponential_distribution< _RealType >::operator() (_UniformRandomNumberGenerator & __urng) [inline]
- template<typename _RealType = double> param_type std::exponential_distribution< _RealType >::param () const [inline]
- template<typename _RealType = double> void std::exponential_distribution< _RealType >::param (const param_type & __param) [inline]
- template<typename _RealType = double> void std::exponential_distribution< _RealType >::reset () [inline]
- Author
NAME
std::exponential_distribution -An exponential continuous distribution for random numbers.
SYNOPSIS
Classes
struct param_type
Public Types
typedef _RealType result_type
Public Member Functions
exponential_distribution (const result_type &__lambda=result_type(1))
exponential_distribution (const param_type &__p)
_RealType lambda () const
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)
param_type param () const
void param (const param_type &__param)
void reset ()
Detailed Description
template<typename _RealType = double> class std::exponential_distribution< _RealType >
An exponential continuous distribution for random numbers.The formula for the exponential probability density function is $p(x|
) =
e^{-
x}$.
Mean$ac{1}{
}$ Median$ac{
ge$[0, infty]$ Standard Deviation$ac{1}{
}$ Distribution Statistics
Definition at line 4161 of file random.h.
Member Typedef Documentation
template<typename _RealType = double> typedef _RealType std::exponential_distribution< _RealType >::result_typeThe type of the range of the distribution.
Definition at line 4168 of file random.h.
Constructor & Destructor Documentation
template<typename _RealType = double> std::exponential_distribution< _RealType >::exponential_distribution (const result_type & __lambda = result_type(1)) [inline, explicit]
Constructs an exponential distribution with inverse scale parameter $
$.
Definition at line 4199 of file random.h.
Member Function Documentation
template<typename _RealType = double> _RealType std::exponential_distribution< _RealType >::lambda () const [inline]
Returns the inverse scale parameter of the distribution.
Definition at line 4220 of file random.h.
template<typename _RealType = double> result_type std::exponential_distribution< _RealType >::max () const [inline]
Returns the least upper bound value of the distribution.
Definition at line 4249 of file random.h.
template<typename _RealType = double> result_type std::exponential_distribution< _RealType >::min () const [inline]
Returns the greatest lower bound value of the distribution.
Definition at line 4242 of file random.h.
template<typename _RealType = double> template<typename _UniformRandomNumberGenerator > result_type std::exponential_distribution< _RealType >::operator() (_UniformRandomNumberGenerator & __urng) [inline]
Generating functions.
Definition at line 4257 of file random.h.
References std::exponential_distribution< _RealType >::operator()(), and std::exponential_distribution< _RealType >::param().
Referenced by std::exponential_distribution< _RealType >::operator()().
template<typename _RealType = double> param_type std::exponential_distribution< _RealType >::param () const [inline]
Returns the parameter set of the distribution.
Definition at line 4227 of file random.h.
Referenced by std::exponential_distribution< _RealType >::operator()(), std::operator==(), and std::operator>>().
template<typename _RealType = double> void std::exponential_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 4235 of file random.h.
template<typename _RealType = double> void std::exponential_distribution< _RealType >::reset () [inline]
Resets the distribution state. Has no effect on exponential distributions.
Definition at line 4214 of file random.h.
Author
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