std::negative_binomial_distribution< _IntType >(3cxx) | std::negative_binomial_distribution< _IntType >(3cxx) |
std::negative_binomial_distribution< _IntType > - A negative_binomial_distribution random number distribution.
#include <random.h>
struct param_type
typedef _IntType result_type
negative_binomial_distribution (_IntType __k, double
__p=0.5)
negative_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)
template<typename _UniformRandomNumberGenerator > void __generate
(result_type *__f, result_type *__t,
_UniformRandomNumberGenerator &__urng, const param_type &__p)
_IntType k () const
Return the $k$ parameter of the 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)
double p () const
Return the $p$ parameter of the distribution. 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.
template<typename _IntType1 , typename _CharT , typename
_Traits > std::basic_ostream< _CharT, _Traits > &
operator<< (std::basic_ostream< _CharT, _Traits >
&__os, const std::negative_binomial_distribution< _IntType1
> &__x)
Inserts a negative_binomial_distribution random number distribution __x
into the output stream __os. bool operator== (const
negative_binomial_distribution &__d1, const
negative_binomial_distribution &__d2)
Return true if two negative 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::negative_binomial_distribution< _IntType1 >
&__x)
Extracts a negative_binomial_distribution random number distribution __x
from the input stream __is.
class std::negative_binomial_distribution< _IntType >"A negative_binomial_distribution random number distribution.
The formula for the negative binomial probability mass function is $p(i) = } p^i (1 - p)^{t - i}$ where $t$ and $p$ are the parameters of the distribution.
Definition at line 4190 of file random.h.
The type of the range of the distribution.
Definition at line 4197 of file random.h.
Definition at line 4234 of file random.h.
Definition at line 4237 of file random.h.
Definition at line 4242 of file random.h.
Definition at line 4311 of file random.h.
Definition at line 4318 of file random.h.
Definition at line 4325 of file random.h.
Definition at line 4331 of file random.h.
Return the $k$ parameter of the distribution.
Definition at line 4257 of file random.h.
Returns the least upper bound value of the distribution.
Definition at line 4293 of file random.h.
References std::numeric_limits< _Tp >::max().
Returns the greatest lower bound value of the distribution.
Definition at line 4286 of file random.h.
Generating functions.
Definition at line 1145 of file bits/random.tcc.
Definition at line 1158 of file bits/random.tcc.
Return the $p$ parameter of the distribution.
Definition at line 4264 of file random.h.
Returns the parameter set of the distribution.
Definition at line 4271 of file random.h.
Sets the parameter set of the distribution.
Parameters
Definition at line 4279 of file random.h.
Resets the distribution state.
Definition at line 4250 of file random.h.
References std::gamma_distribution< _RealType >::reset().
Inserts a negative_binomial_distribution random number distribution __x into the output stream __os.
Parameters
Returns
Return true if two negative binomial distributions have the same parameters and the sequences that would be generated are equal.
Definition at line 4342 of file random.h.
Extracts a negative_binomial_distribution random number distribution __x from the input stream __is.
Parameters
Returns
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Thu Feb 16 2023 | libstdc++ |