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gumbel_rng.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_PROB_GUMBEL_RNG_HPP
2 #define STAN_MATH_PRIM_SCAL_PROB_GUMBEL_RNG_HPP
3
4 #include <boost/random/uniform_01.hpp>
5 #include <boost/random/variate_generator.hpp>
6 #include <stan/math/prim/scal/meta/OperandsAndPartials.hpp>
7 #include <stan/math/prim/scal/err/check_consistent_sizes.hpp>
8 #include <stan/math/prim/scal/err/check_finite.hpp>
9 #include <stan/math/prim/scal/err/check_not_nan.hpp>
10 #include <stan/math/prim/scal/err/check_positive.hpp>
11 #include <stan/math/prim/scal/meta/length.hpp>
12 #include <stan/math/prim/scal/meta/is_constant_struct.hpp>
13 #include <stan/math/prim/scal/meta/VectorView.hpp>
14 #include <stan/math/prim/scal/meta/VectorBuilder.hpp>
15 #include <stan/math/prim/scal/meta/partials_return_type.hpp>
16 #include <stan/math/prim/scal/meta/return_type.hpp>
17 #include <stan/math/prim/scal/fun/constants.hpp>
18 #include <stan/math/prim/scal/meta/include_summand.hpp>
19 #include <stan/math/prim/scal/fun/value_of.hpp>
20
21 namespace stan {
22
23 namespace math {
24
25 template <class RNG>
26 inline double
27 gumbel_rng(const double mu,
28 const double beta,
29 RNG& rng) {
30 using boost::variate_generator;
31 using boost::uniform_01;
32
33 static const char* function("stan::math::gumbel_rng");
34
35 using stan::math::check_positive;
36 using stan::math::check_finite;
37
38
39 check_finite(function, "Location parameter", mu);
40 check_positive(function, "Scale parameter", beta);
41
42 variate_generator<RNG&, uniform_01<> >
43 uniform01_rng(rng, uniform_01<>());
44 return mu - beta * std::log(-std::log(uniform01_rng()));
45 }
46 }
47 }
48 #endif
49
check_not_nan.hpp
check_positive.hpp
stan::math::log
fvar< T > log(const fvar< T > &x)
Definition: log.hpp:15
return_type.hpp
VectorView.hpp
stan::math::gumbel_rng
double gumbel_rng(const double mu, const double beta, RNG &rng)
Definition: gumbel_rng.hpp:27
include_summand.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
VectorBuilder.hpp
partials_return_type.hpp
length.hpp
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
check_consistent_sizes.hpp

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