std::discrete_distribution<; _IntType std::discrete_distribution< _IntType >(3)
NAME
std::discrete_distribution< _IntType > -
SYNOPSIS
Classes
struct param_type
Public Types
typedef _IntType result_type
Public Member Functions
template<typename _InputIterator > discrete_distribution
(_InputIterator __wbegin, _InputIterator __wend)
discrete_distribution (initializer_list< double > __wl)
template<typename _Func > discrete_distribution (size_t __nw, double
__xmin, double __xmax, _Func __fw)
discrete_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
result_type min () const
template<typename _UniformRandomNumberGenerator > discrete_distribution
< _IntType >::result_type operator() (_UniformRandomNumberGenerator
&__urng, const param_type &__param)"
template<typename _UniformRandomNumberGenerator > result_type
operator() (_UniformRandomNumberGenerator &__urng)
template<typename _UniformRandomNumberGenerator > result_type
operator() (_UniformRandomNumberGenerator &__urng, const param_type
&__p)
param_type param () const
void param (const param_type &__param)
std::vector< double > probabilities () const
void reset ()
Friends
template<typename _IntType1 , typename _CharT , typename _Traits >
std::basic_ostream< _CharT,
_Traits > & operator<< (std::basic_ostream< _CharT, _Traits >
&__os, const std::discrete_distribution< _IntType1 > &__x)"
bool operator== (const discrete_distribution &__d1, const
discrete_distribution &__d2)
template<typename _IntType1 , typename _CharT , typename _Traits >
std::basic_istream< _CharT,
_Traits > & operator>> (std::basic_istream< _CharT, _Traits >
&__is, std::discrete_distribution< _IntType1 > &__x)"
Detailed Description
template<typename _IntType = int>class std::discrete_distribution< _IntType
>
A discrete_distribution random number distribution.
The formula for the discrete probability mass function is
Definition at line 5251 of file random.h.
Member Typedef Documentation
template<typename _IntType = int> typedef _IntType
std::discrete_distribution< _IntType >::result_type
The type of the range of the distribution.
Definition at line 5254 of file random.h.
Member Function Documentation
template<typename _IntType = int> result_type std::discrete_distribution<
_IntType >::max () const [inline]
Returns the least upper bound value of the distribution.
Definition at line 5371 of file random.h.
References std::vector< _Tp, _Alloc >::empty(), and std::vector< _Tp,
_Alloc >::size().
template<typename _IntType = int> result_type std::discrete_distribution<
_IntType >::min () const [inline]
Returns the greatest lower bound value of the distribution.
Definition at line 5364 of file random.h.
template<typename _IntType = int> template<typename
_UniformRandomNumberGenerator > result_type std::discrete_distribution<
_IntType >::operator() (_UniformRandomNumberGenerator &__urng) [inline]
Generating functions.
Definition at line 5382 of file random.h.
template<typename _IntType = int> param_type std::discrete_distribution<
_IntType >::param () const [inline]
Returns the parameter set of the distribution.
Definition at line 5349 of file random.h.
template<typename _IntType = int> void std::discrete_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 5357 of file random.h.
template<typename _IntType = int> std::vector<double>
std::discrete_distribution< _IntType >::probabilities () const [inline]
Returns the probabilities of the distribution.
Definition at line 5339 of file random.h.
References std::vector< _Tp, _Alloc >::empty().
template<typename _IntType = int> void std::discrete_distribution< _IntType
>::reset () [inline]
Resets the distribution state.
Definition at line 5332 of file random.h.
Friends And Related Function Documentation
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::discrete_distribution< _IntType1 > &__x) [friend]
Inserts a discrete_distribution random number distribution __x into the
output stream __os.
Parameters:
__os An output stream.
__x A discrete_distribution random number distribution.
Returns:
The output stream with the state of __x inserted or in an error
state.
template<typename _IntType = int> bool operator== (const
discrete_distribution< _IntType > &__d1, const discrete_distribution<
_IntType > &__d2) [friend]
Return true if two discrete distributions have the same parameters.
Definition at line 5417 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::discrete_distribution< _IntType1 > &__x) [friend]
Extracts a discrete_distribution random number distribution __x from
the input stream __is.
Parameters:
__is An input stream.
__x A discrete_distribution random number generator engine.
Returns:
The input stream with __x extracted or in an error state.
Author
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