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 > &__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 2163 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 2166 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 2254 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 2247 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 2262 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 2232 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 2240 of file random.h.

   template<typename _RealType = double> void std::lognormal_distribution< _RealType >::reset ()
       [inline]
       Resets the distribution state.

       Definition at line 2214 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 > &__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 2277 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++                                Thu Mar 20std::lognormal_distribution< _RealType >(3cxx)