std::bernoulli_distribution

NAME

std::bernoulli_distribution − A Bernoulli random number distribution.

SYNOPSIS

Classes

struct param_type

Public Types

typedef bool result_type

Public Member Functions

bernoulli_distribution (double __p=0.5)
Constructs a Bernoulli distribution with likelihood p.
bernoulli_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)
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)
double p () const
Returns the p parameter of the distribution.
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 bernoulli_distribution &__d1, const bernoulli_distribution &__d2)
Return true if two Bernoulli distributions have the same parameters.

Detailed Description

A Bernoulli random number distribution.

Generates a sequence of true and false values with likelihood $p$ that true will come up and $(1 - p)$ that false will appear.

Definition at line 3452 of file random.h.

Member Typedef Documentation

typedef bool std::bernoulli_distribution::result_type
The type of the range of the distribution.

Definition at line 3456 of file random.h.

Constructor & Destructor Documentation

std::bernoulli_distribution::bernoulli_distribution (double __p = 0.5) [inline], [explicit]
Constructs a Bernoulli distribution with likelihood p.

Parameters:

__p [IN] The likelihood of a true result being returned. Must be in the interval $[0, 1]$.

Definition at line 3494 of file random.h.

Member Function Documentation

result_type std::bernoulli_distribution::max () const [inline]
Returns the least upper bound value of the distribution.

Definition at line 3544 of file random.h.

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

result_type std::bernoulli_distribution::min () const [inline]
Returns the greatest lower bound value of the distribution.

Definition at line 3537 of file random.h.

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

template<typename _UniformRandomNumberGenerator > result_type std::bernoulli_distribution::operator() (_UniformRandomNumberGenerator & __urng) [inline]
Generating functions.

Definition at line 3552 of file random.h.

double std::bernoulli_distribution::p () const [inline]
Returns the p parameter of the distribution.

Definition at line 3515 of file random.h.

param_type std::bernoulli_distribution::param () const [inline]
Returns the parameter set of the distribution.

Definition at line 3522 of file random.h.

Referenced by std::operator>>().

void std::bernoulli_distribution::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 3530 of file random.h.

void std::bernoulli_distribution::reset () [inline]
Resets the distribution state. Does nothing for a Bernoulli distribution.

Definition at line 3509 of file random.h.

Friends And Related Function Documentation

bool operator== (const bernoulli_distribution & __d1, const bernoulli_distribution & __d2) [friend]
Return true if two Bernoulli distributions have the same parameters.

Definition at line 3594 of file random.h.

Author

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