NAME

       std::gamma_distribution< _RealType > -

SYNOPSIS

   Classes
       struct param_type

   Public Types
       typedef _RealType result_type

   Public Member Functions
       gamma_distribution (_RealType __alpha_val=_RealType(1), _RealType __beta_val=_RealType(1))
       gamma_distribution (const param_type &__p)
       _RealType alpha () const
       _RealType beta () 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 ()

   Friends
       template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_ostream< _CharT, _Traits >
           & operator<< (std::basic_ostream< _CharT, _Traits > &__os, const std::gamma_distribution< _RealType1
           > &__x)
       bool operator== (const gamma_distribution &__d1, const gamma_distribution &__d2)
       template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_istream< _CharT, _Traits >
           & operator>> (std::basic_istream< _CharT, _Traits > &__is, std::gamma_distribution< _RealType1 >
           &__x)
                                                                           t
Detailed Description                                                       a
   template<typename _RealType = double>class std::gamma_distribution< _RealType >
       A gamma continuous distribution for random numbers.                 =
                                                                           a
       The formula for the gamma probability density function is: p(x|lpha,c
                                                                           {
       Definition at line 2338 of file random.h.                           1
                                                                           }
Member Typedef Documentation                                               {
   template<typename _RealType = double> typedef _RealType std::gamma_distribution< _RealType >::result_type
       The type of the range of the distribution.

       Definition at line 2341 of file random.h.

Constructor & Destructor Documentation

   template<typename _RealType = double> std::gamma_distribution< _RealType >::gamma_distribution (_RealType
       __alpha_val = _RealType(1), _RealType __beta_val = _RealType(1)) [inline],  [explicit]
       Constructs a gamma distribution with parameters $lpha$ and $$
                                                                   .
       Definition at line 2390 of file random.h.

Member Function Documentation

   template<typename _RealType = double> _RealType std::gamma_distribution< _RealType >::alpha () const [inline]

       Returns the $lpha$ of the distribution.

       Definition attline 2411 of file random.h.
                    a
   template<typename$_RealType = double> _RealType std::gamma_distribution< _RealType >::beta () const [inline]
       Returns the $o distribution.
                    f
       Definition attline 2418 of file random.h.
                    h

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

       Returns the least upper bound value of the distribution.

       Definition at line 2447 of file random.h.

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

       Returns the greatest lower bound value of the distribution.

       Definition at line 2440 of file random.h.

   template<typename _RealType = double> template<typename _UniformRandomNumberGenerator > result_type
       std::gamma_distribution< _RealType >::operator() (_UniformRandomNumberGenerator & __urng) [inline]
       Generating functions.

       Definition at line 2455 of file random.h.

       Referenced by std::gamma_distribution< result_type >::operator()().

   template<typename _RealType = double> param_type std::gamma_distribution< _RealType >::param () const
       [inline]
       Returns the parameter set of the distribution.

       Definition at line 2425 of file random.h.

   template<typename _RealType = double> void std::gamma_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 2433 of file random.h.

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

       Definition at line 2404 of file random.h.

       Referenced by std::chi_squared_distribution< _RealType >::reset(), std::fisher_f_distribution< _RealType
       >::reset(), std::student_t_distribution< _RealType >::reset(), and std::negative_binomial_distribution<
       _IntType >::reset().

Friends And Related Function Documentation

   template<typename _RealType = double> template<typename _RealType1 , typename _CharT , typename _Traits >
       std::basic_ostream<_CharT, _Traits>& operator<< (std::basic_ostream< _CharT, _Traits > & __os, const
       std::gamma_distribution< _RealType1 > & __x) [friend]
       Inserts a gamma_distribution random number distribution __x into the output stream __os.

       Parameters:
           __os An output stream.
           __x A gamma_distribution random number distribution.

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

   template<typename _RealType = double> bool operator== (const gamma_distribution< _RealType > & __d1, const
       gamma_distribution< _RealType > & __d2) [friend]
       Return true if two gamma distributions have the same parameters and the sequences that would be generated
       are equal.

       Definition at line 2469 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 > & __is,
       std::gamma_distribution< _RealType1 > & __x) [friend]
       Extracts a gamma_distribution random number distribution __x from the input stream __is.

       Parameters:
           __is An input stream.
           __x A gamma_distribution random number generator engine.

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

Author

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libstdc++                                        Mon Jan 18 2016      std::gamma_distribution< _RealType >(3cxx)