DOKK / manpages / debian 12 / libstdc++-11-doc / std::geometric_distribution.3cxx.en
std::geometric_distribution< _IntType >(3cxx) std::geometric_distribution< _IntType >(3cxx)

std::geometric_distribution< _IntType > - A discrete geometric random number distribution.

#include <random.h>


struct param_type


typedef _IntType result_type


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.


bool operator== (const geometric_distribution &__d1, const geometric_distribution &__d2)
Return true if two geometric distributions have the same parameters.

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.

The type of the range of the distribution.

Definition at line 3987 of file random.h.

template<typename _IntType = int> std::geometric_distribution< _IntType >::geometric_distribution () [inline]

Definition at line 4029 of file random.h.

template<typename _IntType = int> std::geometric_distribution< _IntType >::geometric_distribution (double __p) [inline], [explicit]

Definition at line 4032 of file random.h.

template<typename _IntType = int> std::geometric_distribution< _IntType >::geometric_distribution (const param_type & __p) [inline], [explicit]

Definition at line 4037 of file random.h.

template<typename _IntType = int> template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > void std::geometric_distribution< _IntType >::__generate (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator & __urng) [inline]

Definition at line 4101 of file random.h.

template<typename _IntType = int> template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > void std::geometric_distribution< _IntType >::__generate (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator & __urng, const param_type & __p) [inline]

Definition at line 4108 of file random.h.

Definition at line 4115 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 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.

Generating functions.

Definition at line 4090 of file random.h.

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

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

Definition at line 1044 of file bits/random.tcc.

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

__param The new parameter set of the distribution.

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.

Return true if two geometric distributions have the same parameters.

Definition at line 4125 of file random.h.

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Thu Feb 16 2023 libstdc++