check_multiplicable.hpp

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#ifndef STAN__MATH__ERROR_HANDLING__MATRIX__CHECK_MULTIPLICABLE_HPP
#define STAN__MATH__ERROR_HANDLING__MATRIX__CHECK_MULTIPLICABLE_HPP

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

namespace stan {
  namespace math {

    // NOTE: this will not throw if y1 or y2 contains nan values.
    template <typename T1, typename T2, typename T_result>
    inline bool check_multiplicable(const char* function,
                                    const T1& y1,
                                    const char* name1,
                                    const T2& y2,
                                    const char* name2,
                                    T_result* result) {
      stan::math::check_size_match(function,y1.cols(), "Columns of matrix 1",
                                   y2.rows(), "Rows of matrix 2", result);
      return true;
    }
  }
}
#endif