NAME

       std::discrete_distribution< _IntType > - A discrete_distribution random number
       distribution.

SYNOPSIS

       #include <random.h>

   Classes
       struct param_type

   Public Types
       typedef _IntType result_type

   Public Member Functions
       template<typename _InputIterator > discrete_distribution (_InputIterator __wbegin,
           _InputIterator __wend)
       discrete_distribution (const param_type &__p)
       discrete_distribution (initializer_list< double > __wl)
       template<typename _Func > discrete_distribution (size_t __nw, double __xmin, double
           __xmax, _Func __fw)
       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)
       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.
       std::vector< double > probabilities () const
           Returns the probabilities of the distribution.
       void reset ()
           Resets the distribution state.

   Friends
       template<typename _IntType1 , typename _CharT , typename _Traits > std::basic_ostream<
           _CharT, _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &__os, const
           std::discrete_distribution< _IntType1 > &__x)
           Inserts a discrete_distribution random number distribution __x into the output stream
           __os.
       bool operator== (const discrete_distribution &__d1, const discrete_distribution &__d2)
           Return true if two discrete distributions have the same parameters.
       template<typename _IntType1 , typename _CharT , typename _Traits > std::basic_istream<
           _CharT, _Traits > & operator>> (std::basic_istream< _CharT, _Traits > &__is,
           std::discrete_distribution< _IntType1 > &__x)
           Extracts a discrete_distribution random number distribution __x from the input stream
           __is.

Detailed Description

   template<typename _IntType = int>
       class std::discrete_distribution< _IntType >"A discrete_distribution random number
       distribution.

       The formula for the discrete probability mass function is

Member Typedef Documentation

   template<typename _IntType  = int> typedef _IntType std::discrete_distribution< _IntType
       >::result_type
       The type of the range of the distribution.

Member Function Documentation

   template<typename _IntType  = int> result_type std::discrete_distribution< _IntType >::max ()
       const [inline]
       Returns the least upper bound value of the distribution.

       References std::vector< _Tp, _Alloc >::empty(), and std::vector< _Tp, _Alloc >::size().

   template<typename _IntType  = int> result_type std::discrete_distribution< _IntType >::min ()
       const [inline]
       Returns the greatest lower bound value of the distribution.

   template<typename _IntType  = int> template<typename _UniformRandomNumberGenerator >
       result_type std::discrete_distribution< _IntType >::operator()
       (_UniformRandomNumberGenerator & __urng) [inline]
       Generating functions.

       References std::discrete_distribution< _IntType >::operator()().

       Referenced by std::discrete_distribution< _IntType >::operator()().

   template<typename _IntType  = int> param_type std::discrete_distribution< _IntType >::param ()
       const [inline]
       Returns the parameter set of the distribution.

   template<typename _IntType  = int> void std::discrete_distribution< _IntType >::param (const
       param_type & __param) [inline]
       Sets the parameter set of the distribution.

       Parameters
           __param The new parameter set of the distribution.

   template<typename _IntType  = int> std::vector< double > std::discrete_distribution< _IntType
       >::probabilities () const [inline]
       Returns the probabilities of the distribution.

       References std::vector< _Tp, _Alloc >::empty().

   template<typename _IntType  = int> void std::discrete_distribution< _IntType >::reset ()
       [inline]
       Resets the distribution state.

Friends And Related Function Documentation

   template<typename _IntType  = int> template<typename _IntType1 , typename _CharT , typename
       _Traits > std::basic_ostream< _CharT, _Traits > & operator<< (std::basic_ostream< _CharT,
       _Traits > & __os, const std::discrete_distribution< _IntType1 > & __x) [friend]
       Inserts a discrete_distribution random number distribution __x into the output stream
       __os.

       Parameters
           __os An output stream.
           __x A discrete_distribution random number distribution.

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

   template<typename _IntType  = int> bool operator== (const discrete_distribution< _IntType > &
       __d1, const discrete_distribution< _IntType > & __d2) [friend]
       Return true if two discrete distributions have the same parameters.

   template<typename _IntType  = int> template<typename _IntType1 , typename _CharT , typename
       _Traits > std::basic_istream< _CharT, _Traits > & operator>> (std::basic_istream< _CharT,
       _Traits > & __is, std::discrete_distribution< _IntType1 > & __x) [friend]
       Extracts a discrete_distribution random number distribution __x from the input stream
       __is.

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

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

Author

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libstdc++                                 Fri Jul 7 2std::discrete_distribution< _IntType >(3cxx)