Provided by: libstdc++-4.8-doc_4.8.5-4ubuntu8_all 

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)
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)
_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 > &__os, const std::lognormal_distribution<
_RealType1 > &__x)
bool operator== (const lognormal_distribution &__d1, const lognormal_distribution &__d2)
template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_istream< _CharT, _Traits >
& operator>> (std::basic_istream< _CharT, _Traits > &__is, std::lognormal_distribution< _RealType1 >
&__x)
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 2298 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 2301 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 2389 of file random.h.
References std::max().
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 2382 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 2397 of file random.h.
template<typename _RealType = double> param_type std::lognormal_distribution< _RealType >::param () const
[inline]
Returns the parameter set of the distribution.
Definition at line 2367 of file random.h.
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 2375 of file random.h.
template<typename _RealType = double> void std::lognormal_distribution< _RealType >::reset () [inline]
Resets the distribution state.
Definition at line 2349 of file random.h.
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 > & __os, const
std::lognormal_distribution< _RealType1 > & __x) [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> bool operator== (const lognormal_distribution< _RealType > & __d1,
const lognormal_distribution< _RealType > & __d2) [friend]
Return true if two lognormal distributions have the same parameters and the sequences that would be
generated are equal.
Definition at line 2434 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 > & __is,
std::lognormal_distribution< _RealType1 > & __x) [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++ Mon Mar 19 2018 std::lognormal_distribution< _RealType >(3cxx)