1 #ifndef STAN_MATH_PRIM_SCAL_PROB_LOGISTIC_RNG_HPP
2 #define STAN_MATH_PRIM_SCAL_PROB_LOGISTIC_RNG_HPP
4 #include <boost/random/exponential_distribution.hpp>
5 #include <boost/random/variate_generator.hpp>
30 using boost::variate_generator;
31 using boost::random::exponential_distribution;
33 static const char*
function(
"stan::math::logistic_rng");
41 variate_generator<RNG&, exponential_distribution<> >
42 exp_rng(rng, exponential_distribution<>(1));
43 return mu - sigma *
std::log(exp_rng() / exp_rng());
fvar< T > log(const fvar< T > &x)
double logistic_rng(const double mu, const double sigma, RNG &rng)
bool check_finite(const char *function, const char *name, const T_y &y)
Return true if y is finite.
bool check_positive_finite(const char *function, const char *name, const T_y &y)
Return true if y is positive and finite.