NAME¶

std::exponential_distribution< _RealType > -

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 4144 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 4147 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 4182 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 4203 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 4232 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 4225 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 4240 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 4210 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: Definition at line 4218 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 4197 of file random.h.

Author¶

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