1 #ifndef STAN_MATH_PRIM_SCAL_PROB_GUMBEL_RNG_HPP 2 #define STAN_MATH_PRIM_SCAL_PROB_GUMBEL_RNG_HPP 8 #include <boost/random/uniform_01.hpp> 9 #include <boost/random/variate_generator.hpp> 32 template <
typename T_loc,
typename T_scale,
class RNG>
34 const T_loc& mu,
const T_scale&
beta, RNG& rng) {
35 using boost::uniform_01;
36 using boost::variate_generator;
37 static const char*
function =
"gumbel_rng";
49 variate_generator<RNG&, uniform_01<> > uniform01_rng(rng, uniform_01<>());
50 for (
size_t n = 0; n < N; ++n)
void check_finite(const char *function, const char *name, const T_y &y)
Check if y is finite.
fvar< T > log(const fvar< T > &x)
scalar_seq_view provides a uniform sequence-like wrapper around either a scalar or a sequence of scal...
VectorBuilder< true, double, T_loc, T_scale >::type gumbel_rng(const T_loc &mu, const T_scale &beta, RNG &rng)
Return a Gumbel random variate with the given location and scale using the specified random number ge...
fvar< T > beta(const fvar< T > &x1, const fvar< T > &x2)
Return fvar with the beta function applied to the specified arguments and its gradient.
void check_positive_finite(const char *function, const char *name, const T_y &y)
Check if y is positive and finite.
size_t max_size(const T1 &x1, const T2 &x2)
VectorBuilder allocates type T1 values to be used as intermediate values.
void check_consistent_sizes(const char *function, const char *name1, const T1 &x1, const char *name2, const T2 &x2)
Check if the dimension of x1 is consistent with x2.