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normal_rng.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_PROB_NORMAL_RNG_HPP
2 #define STAN_MATH_PRIM_SCAL_PROB_NORMAL_RNG_HPP
3
4 #include <boost/random/normal_distribution.hpp>
5 #include <boost/random/variate_generator.hpp>
6 #include <stan/math/prim/scal/err/check_consistent_sizes.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/fun/constants.hpp>
11 #include <stan/math/prim/scal/fun/value_of.hpp>
12
13 namespace stan {
14 namespace math {
15
16 template <class RNG>
17 inline double
18 normal_rng(const double mu,
19 const double sigma,
20 RNG& rng) {
21 using boost::variate_generator;
22 using boost::normal_distribution;
23
24 static const char* function("normal_rng");
25
26 check_finite(function, "Location parameter", mu);
27 check_not_nan(function, "Location parameter", mu);
28 check_positive(function, "Scale parameter", sigma);
29 check_not_nan(function, "Scale parameter", sigma);
30
31 variate_generator<RNG&, normal_distribution<> >
32 norm_rng(rng, normal_distribution<>(mu, sigma));
33 return norm_rng();
34 }
35
36 }
37 }
38 #endif
check_not_nan.hpp
stan::math::check_not_nan
bool check_not_nan(const char *function, const char *name, const T_y &y)
Return true if y is not NaN.
Definition: check_not_nan.hpp:60
check_positive.hpp
stan
Definition: log_sum_exp.hpp:8
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:66
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:60
constants.hpp
check_finite.hpp
value_of.hpp
stan::math::normal_rng
double normal_rng(const double mu, const double sigma, RNG &rng)
Definition: normal_rng.hpp:18
check_consistent_sizes.hpp

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