NAME
std::tr1::bernoulli_distribution -
SYNOPSIS
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 1648 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 1662 of file random.
References _GLIBCXX_DEBUG_ASSERT.
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 1688 of file random.
double std::tr1::bernoulli_distribution::p () const [inline]
Gets the p parameter of the distribution.
Definition at line 1672 of file random.
void std::tr1::bernoulli_distribution::reset () [inline]
Resets the distribution state.
Does nothing for a bernoulli distribution.
Definition at line 1681 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 1721 of file random.
Author
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