DOKK / manpages / debian 12 / libstdc++-11-doc / std::lognormal_distribution.3cxx.en
std::lognormal_distribution< _RealType >(3cxx) std::lognormal_distribution< _RealType >(3cxx)

std::lognormal_distribution< _RealType > - A lognormal_distribution random number distribution.

#include <random.h>


struct param_type


typedef _RealType result_type


lognormal_distribution (_RealType __m, _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
Returns the least upper bound value of the distribution. result_type min () const
Returns the greatest lower bound value of the distribution. template<typename _UniformRandomNumberGenerator > result_type operator() (_UniformRandomNumberGenerator &__urng)
Generating functions. template<typename _UniformRandomNumberGenerator > result_type operator() (_UniformRandomNumberGenerator &__urng, const param_type &__p)
param_type param () const
Returns the parameter set of the distribution. void param (const param_type &__param)
Sets the parameter set of the distribution. void reset ()
_RealType s () const


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)
Inserts a lognormal_distribution random number distribution __x into the output stream __os. bool operator== (const lognormal_distribution &__d1, const lognormal_distribution &__d2)
Return true if two lognormal distributions have the same parameters and the sequences that would be generated are equal. template<typename _RealType1 , typename _CharT , typename _Traits > std::basic_istream< _CharT, _Traits > & operator>> (std::basic_istream< _CharT, _Traits > &__is, std::lognormal_distribution< _RealType1 > &__x)
Extracts a lognormal_distribution random number distribution __x from the input stream __is.

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}{sxrt{2i}}

\xp{-ac{( ]

Definition at line 2193 of file random.h.

The type of the range of the distribution.

Definition at line 2200 of file random.h.

template<typename _RealType = double> std::lognormal_distribution< _RealType >::lognormal_distribution () [inline]

Definition at line 2235 of file random.h.

template<typename _RealType = double> std::lognormal_distribution< _RealType >::lognormal_distribution (_RealType __m, _RealType __s = _RealType(1)) [inline], [explicit]

Definition at line 2238 of file random.h.

template<typename _RealType = double> std::lognormal_distribution< _RealType >::lognormal_distribution (const param_type & __p) [inline], [explicit]

Definition at line 2243 of file random.h.

template<typename _RealType = double> template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > void std::lognormal_distribution< _RealType >::__generate (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator & __urng) [inline]

Definition at line 2311 of file random.h.

template<typename _RealType = double> template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > void std::lognormal_distribution< _RealType >::__generate (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator & __urng, const param_type & __p) [inline]

Definition at line 2318 of file random.h.

Definition at line 2325 of file random.h.

template<typename _RealType = double> _RealType std::lognormal_distribution< _RealType >::m () const [inline]

Definition at line 2258 of file random.h.

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 2291 of file random.h.

References std::numeric_limits< _Tp >::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 2284 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 2299 of file random.h.

References std::lognormal_distribution< _RealType >::operator()().

Referenced by std::lognormal_distribution< _RealType >::operator()().

template<typename _RealType = double> template<typename _UniformRandomNumberGenerator > result_type std::lognormal_distribution< _RealType >::operator() (_UniformRandomNumberGenerator & __urng, const param_type & __p) [inline]

Definition at line 2304 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 2269 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 2277 of file random.h.

template<typename _RealType = double> void std::lognormal_distribution< _RealType >::reset () [inline]

Resets the distribution state.

Definition at line 2251 of file random.h.

References std::normal_distribution< _RealType >::reset().

template<typename _RealType = double> _RealType std::lognormal_distribution< _RealType >::s () const [inline]

Definition at line 2262 of file random.h.

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.

Return true if two lognormal distributions have the same parameters and the sequences that would be generated are equal.

Definition at line 2336 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.

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Thu Feb 16 2023 libstdc++