throw_domain_error_mat.hpp

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#ifndef STAN_MATH_PRIM_ERR_THROW_DOMAIN_ERROR_MAT_HPP
#define STAN_MATH_PRIM_ERR_THROW_DOMAIN_ERROR_MAT_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/err/throw_domain_error.hpp>
#include <stan/math/prim/fun/get.hpp>
#include <sstream>
#include <string>
 
namespace stan {
namespace math {
 
template <typename T, require_eigen_t<T>* = nullptr>
inline void throw_domain_error_mat(const char* function, const char* name,
                                   const T& y, size_t i, size_t j,
                                   const char* msg1, const char* msg2) {
  std::ostringstream vec_name_stream;
  if (is_col_vector<T>::value) {
    vec_name_stream << name << "[" << stan::error_index::value + i << "]";
  } else if (is_row_vector<T>::value) {
    vec_name_stream << name << "[" << stan::error_index::value + j << "]";
  } else {
    vec_name_stream << name << "[" << stan::error_index::value + i << ", "
                    << stan::error_index::value + j << "]";
  }
  std::string vec_name(vec_name_stream.str());
  throw_domain_error(function, vec_name.c_str(), y.coeff(i, j), msg1, msg2);
}
 
template <typename T>
inline void throw_domain_error_mat(const char* function, const char* name,
                                   const T& y, size_t i, size_t j,
                                   const char* msg) {
  throw_domain_error_vec(function, name, y, i, j, msg, "");
}
 
}  // namespace math
}  // namespace stan
#endif