Provided by: libstdc++6-4.5-doc_4.5.3-12ubuntu2_all bug

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 $p(x|bda) = bda e^{-bda
       x}$.

       Mean$ac{1}{bda}$ Median$ac{}}bda}$ Mode$zero$ Range$[0, infty]$ Standard
       Deviation$ac{1}{bda}$ Distribution Statistics

       Definition at line 4161 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 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 $bda$.

       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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libstdc++                                Mon Apr std::exponential_distribution< _RealType >(3cxx)