A
weibull_distribution random number distribution
produces random numbers
x≥0
distributed according to
the probability density function
p(x|a,b)=ab⋅(xb)a−1⋅exp(−(xb)a) .
template<class RealType = double>
class weibull_distribution {
public:
using result_type = RealType;
using param_type = unspecified;
weibull_distribution() : weibull_distribution(1.0) {}
explicit weibull_distribution(RealType a, RealType b = 1.0);
explicit weibull_distribution(const param_type& parm);
void reset();
template<class URBG>
result_type operator()(URBG& g);
template<class URBG>
result_type operator()(URBG& g, const param_type& parm);
RealType a() const;
RealType b() const;
param_type param() const;
void param(const param_type& parm);
result_type min() const;
result_type max() const;
};
explicit weibull_distribution(RealType a, RealType b = 1.0);