std::geometric_distribution< _IntType > − A discrete geometric random number distribution.
Classes
struct param_type
Public Types
typedef _IntType result_type
Public Member Functions
geometric_distribution (double __p=0.5)
geometric_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 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.
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 3898 of file random.h.
template<typename _IntType = int> typedef _IntType std::geometric_distribution< _IntType >::result_type
The type of the range of the distribution.
Definition at line 3901 of file random.h.
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 3995 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 3988 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 4003 of file random.h.
Referenced by std::operator<<().
template<typename _IntType = int> double std::geometric_distribution< _IntType >::p () const [inline]
Returns the distribution parameter p.
Definition at line 3966 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 3973 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:
__param The new parameter set of the distribution.
Definition at line 3981 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 3960 of file random.h.
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 4038 of file random.h.
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