DOKK / manpages / debian 10 / libstdc++-7-doc / std::negative_binomial_distribution.3cxx.en
std::negative_binomial_distribution< _IntType >(3cxx) std::negative_binomial_distribution< _IntType >(3cxx)

std::negative_binomial_distribution< _IntType > - A negative_binomial_distribution random number distribution.


struct param_type


typedef _IntType result_type


negative_binomial_distribution (_IntType __k=1, 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 4103 of file random.h.

The type of the range of the distribution.

Definition at line 4106 of file random.h.

Return the $k$ parameter of the distribution.

Definition at line 4166 of file random.h.

template<typename _IntType = int> result_type std::negative_binomial_distribution< _IntType >::max () const [inline]

Returns the least upper bound value of the distribution.

Definition at line 4202 of file random.h.

References std::numeric_limits< _Tp >::max().

template<typename _IntType = int> result_type std::negative_binomial_distribution< _IntType >::min () const [inline]

Returns the greatest lower bound value of the distribution.

Definition at line 4195 of file random.h.

Generating functions.

Definition at line 1126 of file bits/random.tcc.

Referenced by std::operator>>().

Return the $p$ parameter of the distribution.

Definition at line 4173 of file random.h.

template<typename _IntType = int> param_type std::negative_binomial_distribution< _IntType >::param () const [inline]

Returns the parameter set of the distribution.

Definition at line 4180 of file random.h.

template<typename _IntType = int> void std::negative_binomial_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 4188 of file random.h.

template<typename _IntType = int> void std::negative_binomial_distribution< _IntType >::reset () [inline]

Resets the distribution state.

Definition at line 4159 of file random.h.

template<typename _IntType = int> 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) [friend]

Inserts a negative_binomial_distribution random number distribution __x into the output stream __os.

Parameters:

__os An output stream.
__x A negative_binomial_distribution random number distribution.

Returns:

The output stream with the state of __x inserted or in an error state.

Return true if two negative binomial distributions have the same parameters and the sequences that would be generated are equal.

Definition at line 4251 of file random.h.

template<typename _IntType = int> 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) [friend]

Extracts a negative_binomial_distribution random number distribution __x from the input stream __is.

Parameters:

__is An input stream.
__x A negative_binomial_distribution random number generator engine.

Returns:

The input stream with __x extracted or in an error state.

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Mon Feb 25 2019 libstdc++