std::binomial_distribution< _IntType >(3)             Library Functions Manual

NAME
       std::binomial_distribution< _IntType > - A discrete binomial random
       number distribution.


SYNOPSIS
       #include <random>

   Classes
       struct param_type

   Public Types
       typedef _IntType result_type

   Public Member Functions
       binomial_distribution (_IntType __t, double __p=0.5)
       binomial_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)
       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)
       double p () const
           Returns the distribution p parameter.
       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.
       _IntType t () const
           Returns the distribution t parameter.

   Friends
       template<typename _IntType1 , typename _CharT , typename _Traits >
           std::basic_ostream< _CharT, _Traits > & operator<<
           (std::basic_ostream< _CharT, _Traits > &__os, const
           std::binomial_distribution< _IntType1 > &__x)
           Inserts a binomial_distribution random number distribution __x into
           the output stream __os.
       bool operator== (const binomial_distribution &__d1, const
           binomial_distribution &__d2)
           Return true if two binomial distributions have the same parameters
           and the sequences that would be generated are equal.
       template<typename _IntType1 , typename _CharT , typename _Traits >
           std::basic_istream< _CharT, _Traits > & operator>>
           (std::basic_istream< _CharT, _Traits > &__is,
           std::binomial_distribution< _IntType1 > &__x)
           Extracts a binomial_distribution random number distribution __x
           from the input stream __is.

Detailed Description
   template<typename _IntType = int>
       class std::binomial_distribution< _IntType >"A discrete binomial random
       number distribution.

       The formula for the binomial probability density function is $p(i|t,p)
       = } p^i (1 - p)^{t - i}$ where $t$ and $p$ are the parameters of the
       distribution.

       Since
           C++11

Member Typedef Documentation
   template<typename _IntType  = int> typedef _IntType
       std::binomial_distribution< _IntType >::result_type
       The type of the range of the distribution.

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

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

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

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

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

   template<typename _IntType > template<typename
       _UniformRandomNumberGenerator > binomial_distribution< _IntType
       >::result_type std::binomial_distribution< _IntType >::operator()
       (_UniformRandomNumberGenerator & __urng, const param_type & __param)
       A rejection algorithm when t * p >= 8 and a simple waiting time method
       - the second in the referenced book - otherwise. NB: The former is
       available only if _GLIBCXX_USE_C99_MATH_TR1 is defined.

       Reference: Devroye, L. Non-Uniform Random Variates Generation.
       Springer-Verlag, New York, 1986, Ch. X, Sect. 4 (+ Errata!).

       References std::abs(), std::numeric_limits< _Tp >::epsilon(),
       std::forward(), std::log(), and std::numeric_limits< _Tp >::max().

   template<typename _IntType  = int> double std::binomial_distribution<
       _IntType >::p () const [inline]
       Returns the distribution p parameter.

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

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

       Parameters
           __param The new parameter set of the distribution.

       References std::forward().

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

       References std::normal_distribution< _RealType >::reset().

   template<typename _IntType  = int> _IntType std::binomial_distribution<
       _IntType >::t () const [inline]
       Returns the distribution t parameter.

Friends And Related Symbol 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::binomial_distribution< _IntType1 > & __x) [friend]
       Inserts a binomial_distribution random number distribution __x into the
       output stream __os.

       Parameters
           __os An output stream.
           __x A binomial_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
       binomial_distribution< _IntType > & __d1, const binomial_distribution<
       _IntType > & __d2) [friend]
       Return true if two binomial distributions have the same parameters and
       the sequences that would be generated are equal.

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

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

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



Author
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