std::weibull_distribution - Man Page

A weibull_distribution random number distribution.

Synopsis

#include <random>

Classes

struct param_type

Public Types

typedef _RealType result_type

Public Member Functions

weibull_distribution (_RealType __a, _RealType __b=_RealType(1))
weibull_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)
_RealType a () const
Return the $a$ parameter of the distribution.
_RealType b () const
Return the $b$ 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)
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.

Friends

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

Detailed Description

template<typename _RealType = double>

class std::weibull_distribution< _RealType >"A weibull_distribution random number distribution.

The formula for the normal probability density function is:  [
   p(x|alpha,beta) = ac{alpha}{beta} (ac{x}{beta})^{alpha-1}
                       \xp{(-(ac{x}{beta})^alpha)}  ]

Definition at line 4865 of file random.

Member Typedef Documentation

template<typename _RealType  = double> typedef _RealType std::weibull_distribution< _RealType >::result_type

The type of the range of the distribution.

Definition at line 4872 of file random.

Constructor & Destructor Documentation

template<typename _RealType  = double> std::weibull_distribution< _RealType >::weibull_distribution () [inline]

Definition at line 4907 of file random.

template<typename _RealType  = double> std::weibull_distribution< _RealType >::weibull_distribution (_RealType __a, _RealType __b = _RealType(1)) [inline], [explicit]

Definition at line 4910 of file random.

template<typename _RealType  = double> std::weibull_distribution< _RealType >::weibull_distribution (const param_type & __p) [inline], [explicit]

Definition at line 4915 of file random.

Member Function Documentation

template<typename _RealType  = double> template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > void std::weibull_distribution< _RealType >::__generate (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator & __urng) [inline]

Definition at line 4985 of file random.

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

Definition at line 4992 of file random.

template<typename _RealType  = double> template<typename _UniformRandomNumberGenerator > void std::weibull_distribution< _RealType >::__generate (result_type * __f, result_type * __t, _UniformRandomNumberGenerator & __urng, const param_type & __p) [inline]

Definition at line 4999 of file random.

template<typename _RealType  = double> _RealType std::weibull_distribution< _RealType >::a () const [inline]

Return the $a$ parameter of the distribution.

Definition at line 4930 of file random.

template<typename _RealType  = double> _RealType std::weibull_distribution< _RealType >::b () const [inline]

Return the $b$ parameter of the distribution.

Definition at line 4937 of file random.

template<typename _RealType  = double> result_type std::weibull_distribution< _RealType >::max () const [inline]

Returns the least upper bound value of the distribution.

Definition at line 4966 of file random.

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

template<typename _RealType  = double> result_type std::weibull_distribution< _RealType >::min () const [inline]

Returns the greatest lower bound value of the distribution.

Definition at line 4959 of file random.

template<typename _RealType  = double> template<typename _UniformRandomNumberGenerator > result_type std::weibull_distribution< _RealType >::operator() (_UniformRandomNumberGenerator & __urng) [inline]

Generating functions.

Definition at line 4974 of file random.

References std::weibull_distribution< _RealType >::operator()().

Referenced by std::weibull_distribution< _RealType >::operator()().

template<typename _RealType > template<typename _UniformRandomNumberGenerator > weibull_distribution< _RealType >::result_type std::weibull_distribution< _RealType >::operator() (_UniformRandomNumberGenerator & __urng, const param_type & __p)

Definition at line 2513 of file bits/random.tcc.

template<typename _RealType  = double> param_type std::weibull_distribution< _RealType >::param () const [inline]

Returns the parameter set of the distribution.

Definition at line 4944 of file random.

Referenced by std::operator>>().

template<typename _RealType  = double> void std::weibull_distribution< _RealType >::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 4952 of file random.

template<typename _RealType  = double> void std::weibull_distribution< _RealType >::reset () [inline]

Resets the distribution state.

Definition at line 4923 of file random.

Author

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Info

Wed Sep 7 2022 libstdc++