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check_column_index.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_ERR_CHECK_COLUMN_INDEX_HPP
2 #define STAN_MATH_PRIM_MAT_ERR_CHECK_COLUMN_INDEX_HPP
3 
7 #include <sstream>
8 #include <string>
9 
10 namespace stan {
11  namespace math {
12 
36  template <typename T_y, int R, int C>
37  inline bool check_column_index(const char* function,
38  const char* name,
39  const Eigen::Matrix<T_y, R, C>& y,
40  const size_t i) {
42  && i < static_cast<size_t>(y.cols()) + stan::error_index::value)
43  return true;
44 
45  std::stringstream msg;
46  msg << " for columns of " << name;
47  std::string msg_str(msg.str());
48  out_of_range(function,
49  y.cols(),
50  i,
51  msg_str.c_str());
52  return false;
53  }
54 
55  }
56 }
57 #endif
void out_of_range(const char *function, const int max, const int index, const char *msg1="", const char *msg2="")
Throw an out_of_range exception with a consistently formatted message.
bool check_column_index(const char *function, const char *name, const Eigen::Matrix< T_y, R, C > &y, const size_t i)
Return true if the specified index is a valid column of the matrix.

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