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boost::random::weibull_distribution
// In header: <boost/random/weibull_distribution.hpp> template<typename RealType = double> class weibull_distribution { public: // types typedef RealType ; typedef RealType ; // member classes/structs/unions class param_type { public: // types typedef weibull_distribution ; // construct/copy/destruct (RealType = , RealType = ); // public member functions RealType () ; RealType () ; // friend functions template<typename CharT, typename Traits> CharT, Traits > & (CharT, Traits > &, const param_type &); template<typename CharT, typename Traits> CharT, Traits > & (CharT, Traits > &, const param_type &); bool (const param_type &, const param_type &); bool (const param_type &, const param_type &); }; // construct/copy/destruct (RealType = , RealType = ); (const param_type &); // public member functions template<typename URNG> RealType (URNG &) ; template<typename URNG> RealType (URNG &, const param_type &) ; RealType () ; RealType () ; RealType () ; RealType () ; param_type () ; void (const param_type &); void (); // friend functions template<typename CharT, typename Traits> CharT, Traits > & (CharT, Traits > &, const weibull_distribution &); template<typename CharT, typename Traits> CharT, Traits > & (CharT, Traits > &, const weibull_distribution &); bool (const weibull_distribution &, const weibull_distribution &); bool (const weibull_distribution &, const weibull_distribution &); };
The Weibull distribution is a real valued distribution with two parameters a and b, producing values >= 0.
It has .
weibull_distribution
public
construct/copy/destruct(RealType a = , RealType b = );
Constructs a
from its "a" and "b" parameters.weibull_distribution
Requires: a > 0 && b > 0
(const param_type & param);
Constructs a
from its parameters. weibull_distribution
weibull_distribution
public member functionstemplate<typename URNG> RealType (URNG & urng) ;
Returns a random variate distributed according to the
. weibull_distribution
template<typename URNG> RealType (URNG & urng, const param_type & param) ;
Returns a random variate distributed accordint to the Weibull distribution with parameters specified by param
.
RealType () ;
Returns the "a" parameter of the distribution.
RealType () ;
Returns the "b" parameter of the distribution.
RealType () ;
Returns the smallest value that the distribution can produce.
RealType () ;
Returns the largest value that the distribution can produce.
param_type () ;
Returns the parameters of the distribution.
void (const param_type & param);
Sets the parameters of the distribution.
void ();
Effects: Subsequent uses of the distribution do not depend on values produced by any engine prior to invoking reset.
weibull_distribution
friend functionstemplate<typename CharT, typename Traits> CharT, Traits > & (CharT, Traits > & os, const weibull_distribution & wd);
Writes a
to a weibull_distribution
std::ostream
.
template<typename CharT, typename Traits> CharT, Traits > & (CharT, Traits > & is, const weibull_distribution & wd);
Reads a
from a weibull_distribution
std::istream
.
bool (const weibull_distribution & lhs, const weibull_distribution & rhs);
Returns true if the two instances of
will return identical sequences of values given equal generators. weibull_distribution
bool (const weibull_distribution & lhs, const weibull_distribution & rhs);
Returns true if the two instances of
will return different sequences of values given equal generators. weibull_distribution