Stan Math Library  2.14.0
reverse mode automatic differentiation
check_finite.hpp
Go to the documentation of this file.
1 #ifndef STAN_MATH_PRIM_SCAL_ERR_CHECK_FINITE_HPP
2 #define STAN_MATH_PRIM_SCAL_ERR_CHECK_FINITE_HPP
3 
9 #include <boost/math/special_functions/fpclassify.hpp>
10 
11 namespace stan {
12  namespace math {
13 
14  namespace {
15  template <typename T_y, bool is_vec>
16  struct finite {
17  static void check(const char* function,
18  const char* name,
19  const T_y& y) {
21  domain_error(function, name, y,
22  "is ", ", but must be finite!");
23  }
24  };
25 
26  template <typename T_y>
27  struct finite<T_y, true> {
28  static void check(const char* function,
29  const char* name,
30  const T_y& y) {
31  using stan::length;
32  for (size_t n = 0; n < length(y); n++) {
34  domain_error_vec(function, name, y, n,
35  "is ", ", but must be finite!");
36  }
37  }
38  };
39  }
40 
56  template <typename T_y>
57  inline void check_finite(const char* function,
58  const char* name,
59  const T_y& y) {
60  finite<T_y, is_vector_like<T_y>::value>
61  ::check(function, name, y);
62  }
63  }
64 }
65 #endif
void check_finite(const char *function, const char *name, const T_y &y)
Check if y is finite.
bool isfinite(const stan::math::var &v)
Checks if the given number has finite value.
double value_of_rec(const fvar< T > &v)
Return the value of the specified variable.
size_t length(const std::vector< T > &x)
Definition: length.hpp:10
void domain_error_vec(const char *function, const char *name, const T &y, size_t i, const char *msg1, const char *msg2)
Throw a domain error with a consistently formatted message.
T get(const std::vector< T > &x, size_t n)
Definition: get.hpp:10
void domain_error(const char *function, const char *name, const T &y, const char *msg1, const char *msg2)
Throw a domain error with a consistently formatted message.

     [ Stan Home Page ] © 2011–2016, Stan Development Team.