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uniform_rng.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_PROB_UNIFORM_RNG_HPP
2 #define STAN_MATH_PRIM_SCAL_PROB_UNIFORM_RNG_HPP
3 
4 #include <boost/random/uniform_real_distribution.hpp>
5 #include <boost/random/variate_generator.hpp>
15 
16 namespace stan {
17 
18  namespace math {
19 
20  template <class RNG>
21  inline double
22  uniform_rng(const double alpha,
23  const double beta,
24  RNG& rng) {
25  using boost::variate_generator;
26  using boost::random::uniform_real_distribution;
27 
28  static const char* function("stan::math::uniform_rng");
29 
32 
33  check_finite(function, "Lower bound parameter", alpha);
34  check_finite(function, "Upper bound parameter", beta);
35  check_greater(function, "Upper bound parameter", beta, alpha);
36 
37  variate_generator<RNG&, uniform_real_distribution<> >
38  uniform_rng(rng, uniform_real_distribution<>(alpha, beta));
39  return uniform_rng();
40  }
41  }
42 }
43 #endif
double uniform_rng(const double alpha, const double beta, RNG &rng)
Definition: uniform_rng.hpp:22
bool check_finite(const char *function, const char *name, const T_y &y)
Return true if y is finite.
bool check_greater(const char *function, const char *name, const T_y &y, const T_low &low)
Return true if y is strictly greater than low.

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