std::cauchy_distribution - Man Page

A cauchy_distribution random number distribution.

Synopsis

Classes

struct param_type

Public Types

typedef _RealType result_type

Public Member Functions

cauchy_distribution (_RealType __a, _RealType __b=1.0)
cauchy_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
_RealType b () const
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 cauchy_distribution &__d1, const cauchy_distribution &__d2)
Return true if two Cauchy distributions have the same parameters.

Detailed Description

template<typename _RealType = double>

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

The formula for the normal probability mass function is $p(x|a,b) = (pi b (1 + (ac{x-a}{b})^2))^{-1}$

Definition at line 2856 of file random.h.

Author

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Info

Wed Feb 10 2021 libstdc++