1 #ifndef STAN_MATH_PRIM_SCAL_PROB_INV_CHI_SQUARE_RNG_HPP 2 #define STAN_MATH_PRIM_SCAL_PROB_INV_CHI_SQUARE_RNG_HPP 18 #include <boost/random/chi_squared_distribution.hpp> 19 #include <boost/random/variate_generator.hpp> 38 using boost::variate_generator;
39 using boost::random::chi_squared_distribution;
41 static const char*
function(
"inv_chi_square_rng");
45 variate_generator<RNG&, chi_squared_distribution<> >
double inv_chi_square_rng(double nu, RNG &rng)
Return a pseudorandom Inverse chi squared variate with the nu degrees of freedom using the specified ...
void check_positive_finite(const char *function, const char *name, const T_y &y)
Check if y is positive and finite.
double chi_square_rng(double nu, RNG &rng)
Return a pseudorandom chi squared variate with the nu degrees of freedom using the specified random n...