check_column_index.hpp

Go to the documentation of this file.

#ifndef STAN__MATH__ERROR_HANDLING__MATRIX__CHECK_COLUMN_INDEX_HPP
#define STAN__MATH__ERROR_HANDLING__MATRIX__CHECK_COLUMN_INDEX_HPP

#include <sstream>
#include <stan/math/error_handling/dom_err.hpp>
#include <stan/math/matrix/Eigen.hpp>

namespace stan {
  namespace math {

    template <typename T_y, typename T_result, int R, int C>
    inline bool check_column_index(const char* function,
                                   size_t i,
                                   const Eigen::Matrix<T_y,R,C>& y,
                                   const char* name,
                                   T_result* result) {
      if ((i > 0) && (i <= static_cast<size_t>(y.cols())))
        return true;

      std::ostringstream msg;
      msg << name << " (%1%) must be greater than 0 and less than " 
          << y.cols();
      std::string tmp(msg.str());
      return dom_err(function,i,name,
                     tmp.c_str(),"",
                     result);
    }

  }
}
#endif