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skew_normal_rng.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_PROB_SKEW_NORMAL_RNG_HPP
2 #define STAN_MATH_PRIM_SCAL_PROB_SKEW_NORMAL_RNG_HPP
3
4 #include <boost/random/variate_generator.hpp>
5 #include <boost/math/distributions.hpp>
6 #include <stan/math/prim/scal/meta/OperandsAndPartials.hpp>
7 #include <stan/math/prim/scal/err/check_finite.hpp>
8 #include <stan/math/prim/scal/err/check_not_nan.hpp>
9 #include <stan/math/prim/scal/err/check_positive.hpp>
10 #include <stan/math/prim/scal/err/check_consistent_sizes.hpp>
11 #include <stan/math/prim/scal/fun/owens_t.hpp>
12 #include <stan/math/prim/scal/fun/value_of.hpp>
13 #include <stan/math/prim/scal/meta/is_constant_struct.hpp>
14 #include <stan/math/prim/scal/fun/constants.hpp>
15 #include <stan/math/prim/scal/prob/uniform_rng.hpp>
16 #include <stan/math/prim/scal/meta/include_summand.hpp>
17
18 namespace stan {
19
20 namespace math {
21
22 template <class RNG>
23 inline double
24 skew_normal_rng(const double mu,
25 const double sigma,
26 const double alpha,
27 RNG& rng) {
28 boost::math::skew_normal_distribution<> dist(mu, sigma, alpha);
29
30 static const char* function("stan::math::skew_normal_rng");
31
32 using stan::math::check_positive;
33 using stan::math::check_finite;
34
35 check_finite(function, "Location parameter", mu);
36 check_finite(function, "Shape parameter", alpha);
37 check_positive(function, "Scale parameter", sigma);
38
39 return quantile(dist, stan::math::uniform_rng(0.0, 1.0, rng));
40 }
41 }
42 }
43 #endif
44
check_not_nan.hpp
check_positive.hpp
stan::math::skew_normal_rng
double skew_normal_rng(const double mu, const double sigma, const double alpha, RNG &rng)
Definition: skew_normal_rng.hpp:24
include_summand.hpp
uniform_rng.hpp
stan::math::check_positive
bool check_positive(const char *function, const char *name, const T_y &y)
Return true if y is positive.
Definition: check_positive.hpp:68
OperandsAndPartials.hpp
owens_t.hpp
stan::math::uniform_rng
double uniform_rng(const double alpha, const double beta, RNG &rng)
Definition: uniform_rng.hpp:22
stan::math::check_finite
bool check_finite(const char *function, const char *name, const T_y &y)
Return true if y is finite.
Definition: check_finite.hpp:62
constants.hpp
check_finite.hpp
is_constant_struct.hpp
value_of.hpp
stan::math::dist
double dist(const std::vector< double > &x, const std::vector< double > &y)
Definition: dist.hpp:11
check_consistent_sizes.hpp

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