1 #ifndef STAN_MATH_PRIM_SCAL_PROB_FRECHET_RNG_HPP
2 #define STAN_MATH_PRIM_SCAL_PROB_FRECHET_RNG_HPP
18 #include <boost/random/weibull_distribution.hpp>
19 #include <boost/random/variate_generator.hpp>
30 using boost::variate_generator;
31 using boost::random::weibull_distribution;
33 static const char*
function(
"stan::math::frechet_rng");
44 variate_generator<RNG&, weibull_distribution<> >
45 weibull_rng(rng, weibull_distribution<>(alpha, 1.0/sigma));
bool check_not_nan(const char *function, const char *name, const T_y &y)
Return true if y is not NaN.
double frechet_rng(const double alpha, const double sigma, RNG &rng)
bool check_positive(const char *function, const char *name, const T_y &y)
Return true if y is positive.
double weibull_rng(const double alpha, const double sigma, RNG &rng)
bool check_finite(const char *function, const char *name, const T_y &y)
Return true if y is finite.