Provided by: libstdc++-7-doc_7.5.0-6ubuntu2_all 

NAME
std::gamma_distribution< _RealType > - A gamma continuous distribution for random numbers.
SYNOPSIS
Classes
struct param_type
Public Types
typedef _RealType result_type
Public Member Functions t
gamma_distribution (_RealType __alpha_val=_RealType(1), _RealTypea__beta_val=_RealType(1))
Constructs a gamma distribution with parameters $.lpha$ and $$
gamma_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)
_RealType alpha (t const
Returns the $a.lpha$ of the distribution.
_RealType beta ()$const
Returns the $o distribution.
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.
void reset ()
Resets the distribution state.
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)
Inserts a gamma_distribution random number distribution __x into the output stream __os.
bool operator== (const gamma_distribution &__d1, const gamma_distribution &__d2)
Return true if two gamma distributions have the same parameters and the sequences that would be
generated are equal.
template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_istream< _CharT, _Traits >
& operator>> (std::basic_istream< _CharT, _Traits > &__is, std::gamma_distribution< _RealType1 >
&__x)
Extracts a gamma_distribution random number distribution __x from the input stream __is.
t
Detailed Description a
template<typename _RealType = double> )
class std::gamma_distribution< _RealType >" A gamma continuous distr=bution for random numbers.
a
The formula for the gamma probability density function is: p(x|lpha,c
{
Definition at line 2352 of file random.h. 1
}
{
Author
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libstdc++ Thu Mar 26 2020 std::gamma_distribution< _RealType >(3cxx)