Stan Math Library  2.12.0
reverse mode automatic differentiation
check_size_match.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_ERR_CHECK_SIZE_MATCH_HPP
2 #define STAN_MATH_PRIM_SCAL_ERR_CHECK_SIZE_MATCH_HPP
3 
4 #include <boost/type_traits/common_type.hpp>
7 #include <sstream>
8 #include <string>
9 
10 namespace stan {
11  namespace math {
12 
29  template <typename T_size1, typename T_size2>
30  inline bool check_size_match(const char* function,
31  const char* name_i,
32  T_size1 i,
33  const char* name_j,
34  T_size2 j) {
35  if (likely(i == static_cast<T_size1>(j)))
36  return true;
37 
38  std::ostringstream msg;
39  msg << ") and "
40  << name_j << " (" << j << ") must match in size";
41  std::string msg_str(msg.str());
42  invalid_argument(function, name_i, i,
43  "(", msg_str.c_str());
44  return false;
45  }
46 
65  template <typename T_size1, typename T_size2>
66  inline bool check_size_match(const char* function,
67  const char* expr_i,
68  const char* name_i,
69  T_size1 i,
70  const char* expr_j,
71  const char* name_j,
72  T_size2 j) {
73  if (likely(i == static_cast<T_size1>(j)))
74  return true;
75  std::ostringstream updated_name;
76  updated_name << expr_i << name_i;
77  std::string updated_name_str(updated_name.str());
78  std::ostringstream msg;
79  msg << ") and "
80  << expr_j << name_j
81  << " (" << j << ") must match in size";
82  std::string msg_str(msg.str());
83  invalid_argument(function, updated_name_str.c_str(), i,
84  "(", msg_str.c_str());
85  return false;
86  }
87 
88  }
89 }
90 #endif
#define likely(x)
Definition: likely.hpp:8
void invalid_argument(const char *function, const char *name, const T &y, const char *msg1, const char *msg2)
Throw an invalid_argument exception with a consistently formatted message.
bool check_size_match(const char *function, const char *name_i, T_size1 i, const char *name_j, T_size2 j)
Return true if the provided sizes match.

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