Provided by: libstdc++-10-doc_10.5.0-1ubuntu1_all
NAME
std::piecewise_constant_distribution< _RealType > - A piecewise_constant_distribution random number distribution.
SYNOPSIS
#include <random.h> Classes struct param_type Public Types typedef _RealType result_type Public Member Functions 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. Friends 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.
Detailed Description
template<typename _RealType = double> class std::piecewise_constant_distribution< _RealType >"A piecewise_constant_distribution random number distribution. The formula for the piecewise constant probability mass function is
Member Typedef Documentation
template<typename _RealType = double> typedef _RealType std::piecewise_constant_distribution< _RealType >::result_type The type of the range of the distribution.
Member Function Documentation
template<typename _RealType = double> std::vector< double > std::piecewise_constant_distribution< _RealType >::densities () const [inline] Returns a vector of the probability densities. 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. 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. 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. References std::vector< _Tp, _Alloc >::empty(), and std::vector< _Tp, _Alloc >::front(). template<typename _RealType = double> template<typename _UniformRandomNumberGenerator > result_type std::piecewise_constant_distribution< _RealType >::operator() (_UniformRandomNumberGenerator & __urng) [inline] Generating functions. References std::piecewise_constant_distribution< _RealType >::operator()(). Referenced by std::piecewise_constant_distribution< _RealType >::operator()(). template<typename _RealType = double> param_type std::piecewise_constant_distribution< _RealType >::param () const [inline] Returns the parameter set of the distribution. 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. template<typename _RealType = double> void std::piecewise_constant_distribution< _RealType >::reset () [inline] Resets the distribution state.
Friends And Related Function Documentation
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. template<typename _RealType = double> bool operator== (const piecewise_constant_distribution< _RealType > & __d1, const piecewise_constant_distribution< _RealType > & __d2) [friend] Return true if two piecewise constant distributions have the same parameters. 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.
Author
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