std::lognormal_distribution< _RealType >(3cxx) std::lognormal_distribution< _RealType >(3cxx)
NAME
std::lognormal_distribution< _RealType > -
SYNOPSIS
Classes
struct param_type
Public Types
typedef _RealType result_type
Public Member Functions
lognormal_distribution (_RealType __m=_RealType(0), _RealType __s=_RealType(1))
lognormal_distribution (const param_type &__p)
_RealType m () const
result_type max () const
result_type min () const
template<typename _UniformRandomNumberGenerator > result_type operator() (_UniformRandomNumberGenerator &__urng)
template<typename _UniformRandomNumberGenerator > result_type operator() (_UniformRandomNumberGenerator &__urng, const param_type &__p)
param_type param () const
void param (const param_type &__param)
void reset ()
_RealType s () const
Friends
template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_ostream< _CharT,
_Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &, const std::lognormal_distribution< _RealType1 > &)"
template<typename _RealType1 > bool operator== (const std::lognormal_distribution< _RealType1 > &__d1, const std::lognormal_distribution<
_RealType1 > &__d2)
template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_istream< _CharT,
_Traits > & operator>> (std::basic_istream< _CharT, _Traits > &, std::lognormal_distribution< _RealType1 > &)"
Detailed Description
template<typename _RealType = double>class std::lognormal_distribution< _RealType >
A lognormal_distribution random number distribution.
The formula for the normal probability mass function is p(x|m,s) = ac{1}{sxt{2i}}
xp{-ac{(x} - m)^2}{2s^2}} ]
Definition at line 2156 of file random.h.
Member Typedef Documentation
template<typename _RealType = double> typedef _RealType std::lognormal_distribution< _RealType >::result_type
The type of the range of the distribution.
Definition at line 2163 of file random.h.
Member Function Documentation
template<typename _RealType = double> result_type std::lognormal_distribution< _RealType >::max () const [inline]
Returns the least upper bound value of the distribution.
Definition at line 2247 of file random.h.
template<typename _RealType = double> result_type std::lognormal_distribution< _RealType >::min () const [inline]
Returns the greatest lower bound value of the distribution.
Definition at line 2240 of file random.h.
template<typename _RealType = double> template<typename _UniformRandomNumberGenerator > result_type std::lognormal_distribution< _RealType
>::operator() (_UniformRandomNumberGenerator &__urng) [inline]
Generating functions.
Definition at line 2255 of file random.h.
References std::lognormal_distribution< _RealType >::operator()(), and std::lognormal_distribution< _RealType >::param().
Referenced by std::lognormal_distribution< _RealType >::operator()().
template<typename _RealType = double> param_type std::lognormal_distribution< _RealType >::param () const [inline]
Returns the parameter set of the distribution.
Definition at line 2225 of file random.h.
Referenced by std::lognormal_distribution< _RealType >::operator()().
template<typename _RealType = double> void std::lognormal_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 2233 of file random.h.
template<typename _RealType = double> void std::lognormal_distribution< _RealType >::reset () [inline]
Resets the distribution state.
Definition at line 2207 of file random.h.
References std::normal_distribution< _RealType >::reset().
Friends And Related Function Documentation
template<typename _RealType = double> template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_ostream<_CharT, _Traits>&
operator<< (std::basic_ostream< _CharT, _Traits > &, const std::lognormal_distribution< _RealType1 > &) [friend]
Inserts a lognormal_distribution random number distribution __x into the output stream __os. Parameters:
__os An output stream.
__x A lognormal_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 > bool operator== (const std::lognormal_distribution< _RealType1 > &__d1,
const std::lognormal_distribution< _RealType1 > &__d2) [friend]
Return true if two lognormal distributions have the same parameters and the sequences that would be generated are equal.
Definition at line 2271 of file random.h.
template<typename _RealType = double> template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_istream<_CharT, _Traits>&
operator>> (std::basic_istream< _CharT, _Traits > &, std::lognormal_distribution< _RealType1 > &) [friend]
Extracts a lognormal_distribution random number distribution __x from the input stream __is. Parameters:
__is An input stream.
__x A lognormal_distribution random number generator engine.
Returns:
The input stream with __x extracted or in an error state.
Author
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libstdc++ Tue Nov 27 2012 std::lognormal_distribution< _RealType >(3cxx)