1 #ifndef STAN_MATH_PRIM_SCAL_PROB_PARETO_TYPE_2_RNG_HPP
2 #define STAN_MATH_PRIM_SCAL_PROB_PARETO_TYPE_2_RNG_HPP
4 #include <boost/random/variate_generator.hpp>
25 static const char*
function(
"pareto_type_2_rng");
29 return (
std::pow(1.0 - uniform_01, -1.0 / alpha) - 1.0) * lambda + mu;
double pareto_type_2_rng(const double mu, const double lambda, const double alpha, RNG &rng)
bool check_positive(const char *function, const char *name, const T_y &y)
Return true if y is positive.
double uniform_rng(const double alpha, const double beta, RNG &rng)
fvar< T > pow(const fvar< T > &x1, const fvar< T > &x2)