std::normal_distribution(3)

NAME

std::normal_distribution

template<typename _RealType = double> class std::normal_distribution<: _RealType >
A normal continuous distribution for random numbers.; The formula for the normal probability mass function is $ p(x) =
ac{1}{ma t{2 i}}
e^{- ac{{x - mean}^ {2}}{2 ma ^ {2}} } $.; Definition at line 2171 of file tr1_impl/random.
Public Types: typedef _RealType input_type
typedef _RealType result_type
Public Member Functions: _RealType mean () const
normal_distribution (const result_type &__mean=result_type(0), const
result_type &__sigma=result_type(1)); template<class _UniformRandomNumberGenerator> result_type operator()
(_UniformRandomNumberGenerator &__urng); void reset ()
_RealType sigma () const
Friends: template<typename _RealType1, typename _CharT, typename _Traits>
std::basic_ostream< _CharT, _Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &__os, const normal_distribution< _RealType1 > &__x); template<typename _RealType1, typename _CharT, typename _Traits>
std::basic_istream< _CharT, _Traits > & operator>> (std::basic_istream< _CharT, _Traits > &__is, normal_distribution< _RealType1 > &__x)

template<typename _RealType = double> std::normal_distribution< _RealType: >::normal_distribution (const result_type & __mean = result_type(0), const result_type & __sigma = result_type(1)) [inline, explicit] Constructs a normal distribution with parameters $ mean $ and $ ma $.; Definition at line 2184 of file tr1_impl/random.

template<typename _RealType = double> _RealType std::normal_distribution<: _RealType >::mean () const [inline] Gets the mean of the distribution.; Definition at line 2195 of file tr1_impl/random.
template<typename _RealType> template<class _UniformRandomNumberGenerator>: normal_distribution< _RealType >::result_type std::normal_distribution< _RealType >::operator() (_UniformRandomNumberGenerator & __urng) [inline]
Polar method due to Marsaglia.; Devroye, L. 'Non-Uniform Random Variates Generation.' Springer-Verlag, New York, 1986, Ch. V, Sect. 4.4.; Definition at line 1395 of file random.tcc.
template<typename _RealType = double> void std::normal_distribution<: _RealType >::reset () [inline] Resets the distribution.; Definition at line 2209 of file tr1_impl/random.
template<typename _RealType = double> _RealType std::normal_distribution<: _RealType >::sigma () const [inline] Gets the $ ma $ of the distribution.; Definition at line 2202 of file tr1_impl/random.

template<typename _RealType = double> template<typename _RealType1,: typename _CharT, typename _Traits> std::basic_ostream<_CharT, _Traits>& operator<< (std::basic_ostream< _CharT, _Traits > & __os, const normal_distribution< _RealType1 > & __x) [friend] Inserts a normal_distribution random number distribution __x into the
output stream __os.; Parameters:
__os An output stream.
__x A normal_distribution random number distribution.; Returns:
The output stream with the state of __x inserted or in an error
state.
template<typename _RealType = double> template<typename _RealType1,: typename _CharT, typename _Traits> std::basic_istream<_CharT, _Traits>& operator>> (std::basic_istream< _CharT, _Traits > & __is, normal_distribution< _RealType1 > & __x) [friend] Extracts a normal_distribution random number distribution __x from the input stream __is.; Parameters:
__is An input stream.
__x A normal_distribution random number generator engine.; Returns:
The input stream with __x extracted or in an error state.

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