std::random_device(3cxx)std::random_device(3cxx)NAME
std::random_device -
SYNOPSIS
Public Types
typedef unsigned int result_type
Public Member Functions
random_device (const std::string &__token='mt19937')
random_device (const random_device &)
double entropy () const
result_type max () const
result_type min () const
result_type operator() ()
void operator= (const random_device &)
Detailed Description
A standard interface to a platform-specific non-deterministic random number generator (if any are available).
Definition at line 1503 of file random.h.
Member Typedef Documentation
typedef unsigned int std::random_device::result_type
The type of the generated random value.
Definition at line 1507 of file random.h.
Author
Generated automatically by Doxygen for libstdc++ from the source code.
libstdc++ Tue Nov 27 2012 std::random_device(3cxx)
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std::cauchy_distribution< _RealType >(3cxx) std::cauchy_distribution< _RealType >(3cxx)
NAME
std::cauchy_distribution< _RealType > -
SYNOPSIS
Classes
struct param_type
Public Types
typedef _RealType result_type
Public Member Functions
cauchy_distribution (_RealType __a=_RealType(0), _RealType __b=_RealType(1))
cauchy_distribution (const param_type &__p)
_RealType a () const
_RealType b () 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 ()
Detailed Description
template<typename _RealType = double>class std::cauchy_distribution< _RealType >
A cauchy_distribution random number distribution.
The formula for the normal probability mass function is $p(x|a,b) = (i
b (1 + (ac{x-a}{b})^2))^{-1}$
Definition at line 2686 of file random.h.
Member Typedef Documentation
template<typename _RealType = double> typedef _RealType std::cauchy_distribution< _RealType >::result_type
The type of the range of the distribution.
Definition at line 2693 of file random.h.
Member Function Documentation
template<typename _RealType = double> result_type std::cauchy_distribution< _RealType >::max () const [inline]
Returns the least upper bound value of the distribution.
Definition at line 2777 of file random.h.
template<typename _RealType = double> result_type std::cauchy_distribution< _RealType >::min () const [inline]
Returns the greatest lower bound value of the distribution.
Definition at line 2770 of file random.h.
template<typename _RealType = double> template<typename _UniformRandomNumberGenerator > result_type std::cauchy_distribution< _RealType
>::operator() (_UniformRandomNumberGenerator &__urng) [inline]
Generating functions.
Definition at line 2785 of file random.h.
References std::cauchy_distribution< _RealType >::operator()(), and std::cauchy_distribution< _RealType >::param().
Referenced by std::cauchy_distribution< _RealType >::operator()().
template<typename _RealType = double> param_type std::cauchy_distribution< _RealType >::param () const [inline]
Returns the parameter set of the distribution.
Definition at line 2755 of file random.h.
Referenced by std::cauchy_distribution< _RealType >::operator()(), std::operator==(), and std::operator>>().
template<typename _RealType = double> void std::cauchy_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 2763 of file random.h.
template<typename _RealType = double> void std::cauchy_distribution< _RealType >::reset () [inline]
Resets the distribution state.
Definition at line 2737 of file random.h.
Author
Generated automatically by Doxygen for libstdc++ from the source code.
libstdc++ Tue Nov 27 2012 std::cauchy_distribution< _RealType >(3cxx)