std::seed_seq(3) Library Functions Manual std::seed_seq(3)NAME
std::seed_seq -
SYNOPSIS
Public Types
typedef uint_least32_t result_type
Public Member Functions
seed_seq ()
template<typename _IntType > seed_seq (std::initializer_list< _IntType > il)
template<typename _InputIterator > seed_seq (_InputIterator __begin, _InputIterator __end)
template<typename _RandomAccessIterator > void generate (_RandomAccessIterator __begin, _RandomAccessIterator __end)
template<typename OutputIterator > void param (OutputIterator __dest) const
size_t size () const
Detailed Description
The seed_seq class generates sequences of seeds for random number generators.
Definition at line 6025 of file random.h.
Member Typedef Documentation
typedef uint_least32_t std::seed_seq::result_type
The type of the seed vales.
Definition at line 6030 of file random.h.
Constructor &; Destructor Documentation
std::seed_seq::seed_seq () [inline]
Default constructor.
Definition at line 6033 of file random.h.
Author
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libstdc++ Tue Jun 10 2014 std::seed_seq(3)
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std::discrete_distribution< _IntType >(3cxx) std::discrete_distribution< _IntType >(3cxx)
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)
result_type max () const
result_type min () const
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 > &, const std::discrete_distribution< _IntType1 > &)"
template<typename _IntType1 , typename _CharT , typename _Traits > std::basic_istream< _CharT,
_Traits > & operator>> (std::basic_istream< _CharT, _Traits > &, std::discrete_distribution< _IntType1 > &)"
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 4666 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 4673 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 4786 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 4779 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 4797 of file random.h.
References std::discrete_distribution< _IntType >::operator()(), and std::discrete_distribution< _IntType >::param().
Referenced by std::discrete_distribution< _IntType >::operator()().
template<typename _IntType = int> param_type std::discrete_distribution< _IntType >::param () const [inline]
Returns the parameter set of the distribution.
Definition at line 4764 of file random.h.
Referenced by std::discrete_distribution< _IntType >::operator()(), and std::operator==().
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 4772 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 4754 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 4747 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 > &, const std::discrete_distribution< _IntType1 > &) [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> template<typename _IntType1 , typename _CharT , typename _Traits > std::basic_istream<_CharT, _Traits>&
operator>> (std::basic_istream< _CharT, _Traits > &, std::discrete_distribution< _IntType1 > &) [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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libstdc++ Tue Nov 27 2012 std::discrete_distribution< _IntType >(3cxx)