std::geometric_distribution< _IntType >(3cxx) | std::geometric_distribution< _IntType >(3cxx) |
NAME¶
std::geometric_distribution< _IntType > - A discrete geometric random number distribution.
SYNOPSIS¶
Classes¶
struct param_type
Public Types¶
typedef _IntType result_type
Public Member Functions¶
geometric_distribution (const param_type &__p)
geometric_distribution (double __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 parameter 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¶
bool operator== (const geometric_distribution
&__d1, const geometric_distribution &__d2)
Return true if two geometric distributions have the same parameters.
Detailed Description¶
template<typename _IntType = int>¶
class std::geometric_distribution< _IntType >" A discrete geometric random number distribution.
The formula for the geometric probability density function is $p(i|p) = p(1 - p)^{i}$ where $p$ is the parameter of the distribution.
Definition at line 3980 of file random.h.
Member Typedef Documentation¶
template<typename _IntType = int> typedef _IntType std::geometric_distribution< _IntType >::result_type¶
The type of the range of the distribution.
Definition at line 3987 of file random.h.
Member Function Documentation¶
template<typename _IntType = int> result_type std::geometric_distribution< _IntType >::max () const [inline]¶
Returns the least upper bound value of the distribution.
Definition at line 4082 of file random.h.
References std::numeric_limits< _Tp >::max().
template<typename _IntType = int> result_type std::geometric_distribution< _IntType >::min () const [inline]¶
Returns the greatest lower bound value of the distribution.
Definition at line 4075 of file random.h.
template<typename _IntType = int> template<typename _UniformRandomNumberGenerator > result_type std::geometric_distribution< _IntType >::operator() (_UniformRandomNumberGenerator & __urng) [inline]¶
Generating functions.
Definition at line 4090 of file random.h.
template<typename _IntType = int> double std::geometric_distribution< _IntType >::p () const [inline]¶
Returns the distribution parameter p.
Definition at line 4053 of file random.h.
template<typename _IntType = int> param_type std::geometric_distribution< _IntType >::param () const [inline]¶
Returns the parameter set of the distribution.
Definition at line 4060 of file random.h.
Referenced by std::operator>>().
template<typename _IntType = int> void std::geometric_distribution< _IntType >::param (const param_type & __param) [inline]¶
Sets the parameter set of the distribution.
Parameters
Definition at line 4068 of file random.h.
template<typename _IntType = int> void std::geometric_distribution< _IntType >::reset () [inline]¶
Resets the distribution state. Does nothing for the geometric distribution.
Definition at line 4047 of file random.h.
Friends And Related Function Documentation¶
template<typename _IntType = int> bool operator== (const geometric_distribution< _IntType > & __d1, const geometric_distribution< _IntType > & __d2) [friend]¶
Return true if two geometric distributions have the same parameters.
Definition at line 4125 of file random.h.
Author¶
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Wed Jul 28 2021 | libstdc++ |