DOKK / manpages / debian 12 / libstdc++-11-doc / std::piecewise_constant_distribution.3cxx.en
std::piecewise_constant_distribution< _RealType >(3cxx) std::piecewise_constant_distribution< _RealType >(3cxx)

std::piecewise_constant_distribution< _RealType > - A piecewise_constant_distribution random number distribution.

#include <random.h>


struct param_type


typedef _RealType result_type


template<typename _InputIteratorB , typename _InputIteratorW > piecewise_constant_distribution (_InputIteratorB __bfirst, _InputIteratorB __bend, _InputIteratorW __wbegin)
piecewise_constant_distribution (const param_type &__p)
template<typename _Func > piecewise_constant_distribution (initializer_list< _RealType > __bl, _Func __fw)
template<typename _Func > piecewise_constant_distribution (size_t __nw, _RealType __xmin, _RealType __xmax, _Func __fw)
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)
std::vector< double > densities () const
Returns a vector of the probability densities. std::vector< _RealType > intervals () const
Returns a vector of the intervals. 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.


template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_ostream< _CharT, _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &__os, const std::piecewise_constant_distribution< _RealType1 > &__x)
Inserts a piecewise_constant_distribution random number distribution __x into the output stream __os. bool operator== (const piecewise_constant_distribution &__d1, const piecewise_constant_distribution &__d2)
Return true if two piecewise constant distributions have the same parameters. template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_istream< _CharT, _Traits > & operator>> (std::basic_istream< _CharT, _Traits > &__is, std::piecewise_constant_distribution< _RealType1 > &__x)
Extracts a piecewise_constant_distribution random number distribution __x from the input stream __is.

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

The formula for the piecewise constant probability mass function is

Definition at line 5514 of file random.h.

The type of the range of the distribution.

Definition at line 5521 of file random.h.

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

Definition at line 5583 of file random.h.

Definition at line 5588 of file random.h.

template<typename _RealType = double> template<typename _Func > std::piecewise_constant_distribution< _RealType >::piecewise_constant_distribution (initializer_list< _RealType > __bl, _Func __fw) [inline]

Definition at line 5595 of file random.h.

template<typename _RealType = double> template<typename _Func > std::piecewise_constant_distribution< _RealType >::piecewise_constant_distribution (size_t __nw, _RealType __xmin, _RealType __xmax, _Func __fw) [inline]

Definition at line 5601 of file random.h.

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

Definition at line 5608 of file random.h.

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

Definition at line 5696 of file random.h.

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

Definition at line 5703 of file random.h.

Definition at line 5710 of file random.h.

template<typename _RealType = double> std::vector< double > std::piecewise_constant_distribution< _RealType >::densities () const [inline]

Returns a vector of the probability densities.

Definition at line 5639 of file random.h.

References std::vector< _Tp, _Alloc >::empty().

template<typename _RealType = double> std::vector< _RealType > std::piecewise_constant_distribution< _RealType >::intervals () const [inline]

Returns a vector of the intervals.

Definition at line 5623 of file random.h.

References std::vector< _Tp, _Alloc >::empty().

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

Returns the least upper bound value of the distribution.

Definition at line 5674 of file random.h.

References std::vector< _Tp, _Alloc >::back(), and std::vector< _Tp, _Alloc >::empty().

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

Returns the greatest lower bound value of the distribution.

Definition at line 5664 of file random.h.

References std::vector< _Tp, _Alloc >::empty(), and std::vector< _Tp, _Alloc >::front().

Generating functions.

Definition at line 5685 of file random.h.

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

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

Definition at line 2913 of file bits/random.tcc.

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

Returns the parameter set of the distribution.

Definition at line 5649 of file random.h.

template<typename _RealType = double> void std::piecewise_constant_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 5657 of file random.h.

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

Resets the distribution state.

Definition at line 5616 of file random.h.

template<typename _RealType = double> template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_ostream< _CharT, _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > & __os, const std::piecewise_constant_distribution< _RealType1 > & __x) [friend]

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

Parameters

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

Returns

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

Return true if two piecewise constant distributions have the same parameters.

Definition at line 5720 of file random.h.

template<typename _RealType = double> template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_istream< _CharT, _Traits > & operator>> (std::basic_istream< _CharT, _Traits > & __is, std::piecewise_constant_distribution< _RealType1 > & __x) [friend]

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

Parameters

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

Returns

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

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Thu Feb 16 2023 libstdc++