1 #ifndef STAN_MATH_PRIM_SCAL_PROB_FRECHET_RNG_HPP 2 #define STAN_MATH_PRIM_SCAL_PROB_FRECHET_RNG_HPP 7 #include <boost/random/weibull_distribution.hpp> 8 #include <boost/random/variate_generator.hpp> 30 template <
typename T_shape,
typename T_scale,
class RNG>
32 const T_shape& alpha,
const T_scale& sigma, RNG& rng) {
33 using boost::random::weibull_distribution;
34 using boost::variate_generator;
36 static const char*
function =
"frechet_rng";
48 for (
size_t n = 0; n < N; ++n) {
49 variate_generator<RNG&, weibull_distribution<> >
weibull_rng(
50 rng, weibull_distribution<>(alpha_vec[n], 1.0 / sigma_vec[n]));
scalar_seq_view provides a uniform sequence-like wrapper around either a scalar or a sequence of scal...
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< true, double, T_shape, T_scale >::type frechet_rng(const T_shape &alpha, const T_scale &sigma, RNG &rng)
Return a pseudorandom Frechet variate for the given shape and scale parameters using the specified ra...
VectorBuilder allocates type T1 values to be used as intermediate values.
VectorBuilder< true, double, T_shape, T_scale >::type weibull_rng(const T_shape &alpha, const T_scale &sigma, RNG &rng)
Return a Weibull random variate for the given shape and scale parameters using the specified random n...
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.