Manpages - std_exponential_distribution.3
Table of Contents
- NAME
- SYNOPSIS
- Detailed Description
- Member Typedef Documentation
- Constructor & Destructor Documentation
- Member Function Documentation
- template<typename _RealType = double> template<typename
- template<typename _RealType = double> template<typename
- template<typename _RealType = double> template<typename
- template<typename _RealType = double> _RealType
- template<typename _RealType = double> result_type
- template<typename _RealType = double> result_type
- template<typename _RealType = double> template<typename
- template<typename _RealType = double> template<typename
- template<typename _RealType = double> param_type
- template<typename _RealType = double> void
- template<typename _RealType = double> void
- Friends And Related Function Documentation
- Author
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NAME
std::exponential_distribution< _RealType > - An exponential continuous distribution for random numbers.
SYNOPSIS
#include <random.h>
Classes
struct param_type
Public Types
typedef _RealType result_type
Public Member Functions
exponential_distribution ()
Constructs an exponential distribution with inverse scale parameter 1.0.
exponential_distribution (_RealType __lambda)
Constructs an exponential distribution with inverse scale parameter
\(ambda\).
exponential_distribution (const param_type &__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)
_RealType lambda () const
Returns the inverse scale parameter of the distribution.
result_type max () const
Returns the least upper bound value of the distribution.
result_type min () const
Returns the greatest lower bound value of the distribution.
template<typename _UniformRandomNumberGenerator > result_type
operator() (_UniformRandomNumberGenerator &__urng)
Generating functions.
template<typename _UniformRandomNumberGenerator > result_type
operator() (_UniformRandomNumberGenerator &__urng, const param_type
&__p)
param_type param () const
Returns the parameter set of the distribution.
void param (const param_type &__param)
Sets the parameter set of the distribution.
void reset ()
Resets the distribution state.
Friends
bool operator== (const exponential_distribution &__d1, const
exponential_distribution &__d2)
Return true if two exponential distributions have the same parameters.
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 \(p(x|ambda) = ambda e^{-ambda x}\).
Distribution StatisticsMean\(ac{1}{ambda}\) Median\(ac{n 2}{ambda}\) Mode\(zero\) Range\([0, infty]\) Standard Deviation\(ac{1}{ambda}\)
Definition at line 4647 of file random.h.
Member Typedef Documentation
template<typename _RealType = double> typedef _RealType
std::exponential_distribution*< _RealType >::*result_type The type of the range of the distribution.
Definition at line 4654 of file random.h.
Constructor & Destructor Documentation
template<typename _RealType = double>
std::exponential_distribution*< _RealType >::*exponential_distribution ()= [inline]= Constructs an exponential distribution with inverse scale parameter 1.0.
Definition at line 4691 of file random.h.
template<typename _RealType = double>
std::exponential_distribution*< _RealType >::*exponential_distribution (_RealType __lambda)= [inline]=, = [explicit]= Constructs an exponential distribution with inverse scale parameter \(ambda\).
Definition at line 4698 of file random.h.
template<typename _RealType = double>
std::exponential_distribution*< _RealType >::*exponential_distribution (const param_type & __p)= [inline]=, = [explicit]= Definition at line 4703 of file random.h.
Member Function Documentation
template<typename _RealType = double> template<typename
_ForwardIterator , typename _UniformRandomNumberGenerator > void std::exponential_distribution*< _RealType >::__generate (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator & __urng)= [inline]= Definition at line *4772 of file random.h.
template<typename _RealType = double> template<typename
_ForwardIterator , typename _UniformRandomNumberGenerator > void std::exponential_distribution*< _RealType >::__generate (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator & __urng, const *param_type & __p)= [inline]= Definition at line 4779 of file random.h.
template<typename _RealType = double> template<typename
_UniformRandomNumberGenerator > void std::exponential_distribution*< _RealType >::__generate (*result_type * __f, result_type * __t, _UniformRandomNumberGenerator & __urng, const param_type & __p)= [inline]= Definition at line 4786 of file random.h.
template<typename _RealType = double> _RealType
*std::exponential_distribution*< _RealType >::lambda () const= [inline]= Returns the inverse scale parameter of the distribution.
Definition at line 4719 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 4748 of file random.h.
References std::numeric_limits< _Tp >::max().
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 4741 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 4756 of file random.h.
References std::exponential_distribution< _RealType >::operator()().
Referenced by std::exponential_distribution< _RealType >::operator()().
template<typename _RealType = double> template<typename
_UniformRandomNumberGenerator > result_type std::exponential_distribution*< _RealType >::operator() (_UniformRandomNumberGenerator & __urng, const *param_type & __p)= [inline]= Definition at line 4761 of file random.h.
template<typename _RealType = double> param_type
*std::exponential_distribution*< _RealType >::param () const= [inline]= Returns the parameter set of the distribution.
Definition at line 4726 of file random.h.
Referenced by 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 4734 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 4713 of file random.h.
Friends And Related Function Documentation
template<typename _RealType = double> bool operator== (const
*exponential_distribution*< _RealType > & __d1, const *exponential_distribution*< _RealType > & __d2)= [friend]= Return true if two exponential distributions have the same parameters.
Definition at line 4796 of file random.h.
Author
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