std::tr1::bernoulli_distribution(3)

Detailed Description

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 1653 of file random.

Public Types

typedef int input_type
typedef bool result_type

Public Member Functions

bernoulli_distribution (double __p=0.5)
template<class _UniformRandomNumberGenerator> result_type operator() (_UniformRandomNumberGenerator &__urng)
double p () const
void reset ()

Friends

template<typename _CharT, typename _Traits> std::basic_ostream< _CharT, _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &__os, const bernoulli_distribution &__x)
template<typename _CharT, typename _Traits> std::basic_istream< _CharT, _Traits > & operator>> (std::basic_istream< _CharT, _Traits > &__is, bernoulli_distribution &__x)

Constructor & Destructor Documentation

std::tr1::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 1667 of file random.

Member Function Documentation

template<class _UniformRandomNumberGenerator> result_type std::tr1::bernoulli_distribution::operator() (_UniformRandomNumberGenerator & __urng) [inline]

Gets the next value in the Bernoullian sequence.

Definition at line 1693 of file random.

double std::tr1::bernoulli_distribution::p () const [inline]

Gets the p parameter of the distribution.

Definition at line 1677 of file random.

void std::tr1::bernoulli_distribution::reset () [inline]

Resets the distribution state.

Does nothing for a bernoulli distribution.

Definition at line 1686 of file random.

Friends And Related Function Documentation

template<typename _CharT, typename _Traits> std::basic_ostream<_CharT, _Traits>& operator<< (std::basic_ostream< _CharT, _Traits > & __os, const bernoulli_distribution & __x) [friend]

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

Parameters:

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

Returns:

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

Definition at line 793 of file random.tcc.

template<typename _CharT, typename _Traits> std::basic_istream<_CharT, _Traits>& operator>> (std::basic_istream< _CharT, _Traits > & __is, bernoulli_distribution & __x) [friend]

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

Parameters:

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

Returns:

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

Definition at line 1726 of file random.