student_t_rng.hpp
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#ifndef STAN_MATH_PRIM_SCAL_PROB_STUDENT_T_RNG_HPP
#define STAN_MATH_PRIM_SCAL_PROB_STUDENT_T_RNG_HPP
#include <boost/random/student_t_distribution.hpp>
#include <boost/random/variate_generator.hpp>
#include <stan/math/prim/scal/err/check_consistent_sizes.hpp>
#include <stan/math/prim/scal/err/check_finite.hpp>
#include <stan/math/prim/scal/err/check_not_nan.hpp>
#include <stan/math/prim/scal/err/check_positive_finite.hpp>
#include <stan/math/prim/scal/fun/constants.hpp>
#include <stan/math/prim/scal/fun/square.hpp>
#include <stan/math/prim/scal/fun/value_of.hpp>
#include <stan/math/prim/scal/fun/lbeta.hpp>
#include <stan/math/prim/scal/fun/lgamma.hpp>
#include <stan/math/prim/scal/fun/digamma.hpp>
#include <stan/math/prim/scal/meta/length.hpp>
#include <stan/math/prim/scal/fun/grad_reg_inc_beta.hpp>
#include <stan/math/prim/scal/fun/inc_beta.hpp>
#include <stan/math/prim/scal/meta/include_summand.hpp>
#include <stan/math/prim/scal/meta/VectorBuilder.hpp>
namespace stan {
namespace math {
template <class RNG>
inline double
student_t_rng(double nu,
double mu,
double sigma,
RNG& rng) {
using boost::variate_generator;
using boost::random::student_t_distribution;
static const char* function("student_t_rng");
check_positive_finite(function, "Degrees of freedom parameter", nu);
check_finite(function, "Location parameter", mu);
check_positive_finite(function, "Scale parameter", sigma);
variate_generator<RNG&, student_t_distribution<> >
rng_unit_student_t(rng, student_t_distribution<>(nu));
return mu + sigma * rng_unit_student_t();
}
}
}
#endif
check_not_nan.hpp
lgamma.hpp
stan::math::check_finite
void check_finite(const char *function, const char *name, const T_y &y)
Check if y is finite.
Definition: check_finite.hpp:57
check_positive_finite.hpp
stan
Definition: log_sum_exp.hpp:8
digamma.hpp
square.hpp
stan::math::student_t_rng
double student_t_rng(double nu, double mu, double sigma, RNG &rng)
Definition: student_t_rng.hpp:27
include_summand.hpp
stan::math::check_positive_finite
void check_positive_finite(const char *function, const char *name, const T_y &y)
Check if y is positive and finite.
Definition: check_positive_finite.hpp:26
VectorBuilder.hpp
length.hpp
grad_reg_inc_beta.hpp
constants.hpp
check_finite.hpp
lbeta.hpp
inc_beta.hpp
value_of.hpp
check_consistent_sizes.hpp

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