1 #ifndef STAN_MATH_PRIM_SCAL_PROB_POISSON_LOG_RNG_HPP 2 #define STAN_MATH_PRIM_SCAL_PROB_POISSON_LOG_RNG_HPP 12 #include <boost/random/poisson_distribution.hpp> 13 #include <boost/random/variate_generator.hpp> 23 using boost::variate_generator;
24 using boost::random::poisson_distribution;
26 static const char*
function(
"poisson_log_rng");
27 static const double POISSON_MAX_LOG_RATE = 30 *
std::log(2);
32 check_less(
function,
"Log rate parameter", alpha, POISSON_MAX_LOG_RATE);
34 variate_generator<RNG&, poisson_distribution<> >
fvar< T > log(const fvar< T > &x)
int poisson_rng(double lambda, RNG &rng)
int poisson_log_rng(double alpha, RNG &rng)
fvar< T > exp(const fvar< T > &x)
void check_not_nan(const char *function, const char *name, const T_y &y)
Check if y is not NaN.
void check_less(const char *function, const char *name, const T_y &y, const T_high &high)
Check if y is strictly less than high.