std::cauchy_distribution man page

std::cauchy_distribution< _RealType > — 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(0), _RealType __b=_RealType(1))

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 2764 of file random.h.

Member Typedef Documentation

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

The type of the range of the distribution.

Definition at line 2767 of file random.h.

Member Function Documentation

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

Returns the least upper bound value of the distribution.

Definition at line 2855 of file random.h.

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

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

Returns the greatest lower bound value of the distribution.

Definition at line 2848 of file random.h.

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

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

Generating functions.

Definition at line 2863 of file random.h.

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

Returns the parameter set of the distribution.

Definition at line 2833 of file random.h.

Referenced by std::operator>>().

template<typename _RealType = double> void std::cauchy_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 2841 of file random.h.

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

Resets the distribution state.

Definition at line 2815 of file random.h.

Author

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Info

Fri Sep 16 2016 libstdc++