check_size_match.hpp

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#ifndef STAN_MATH_PRIM_ERR_CHECK_SIZE_MATCH_HPP
#define STAN_MATH_PRIM_ERR_CHECK_SIZE_MATCH_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/err/invalid_argument.hpp>
#include <sstream>
#include <string>
 
namespace stan {
namespace math {
 
template <typename T_size1, typename T_size2>
inline void check_size_match(const char* function, const char* name_i,
                             T_size1 i, const char* name_j, T_size2 j) {
  if (i != static_cast<T_size1>(j)) {
    [&]() STAN_COLD_PATH {
      std::ostringstream msg;
      msg << ") and " << name_j << " (" << j << ") must match in size";
      std::string msg_str(msg.str());
      invalid_argument(function, name_i, i, "(", msg_str.c_str());
    }();
  }
}
 
template <typename T_size1, typename T_size2>
inline void check_size_match(const char* function, const char* expr_i,
                             const char* name_i, T_size1 i, const char* expr_j,
                             const char* name_j, T_size2 j) {
  if (i != static_cast<T_size1>(j)) {
    [&]() STAN_COLD_PATH {
      std::ostringstream updated_name;
      updated_name << expr_i << name_i;
      std::string updated_name_str(updated_name.str());
      std::ostringstream msg;
      msg << ") and " << expr_j << name_j << " (" << j
          << ") must match in size";
      std::string msg_str(msg.str());
      invalid_argument(function, updated_name_str.c_str(), i, "(",
                       msg_str.c_str());
    }();
  }
}
 
}  // namespace math
}  // namespace stan
#endif