Method rows

include/Eigen/Eigen/src/Core/DiagonalMatrix.h:84–84

    /** \returns the number of rows. */
    EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR 
    inline Index rows() const { return diagonal().size(); }
    /** \returns the number of columns. */
    EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR 
    inline Index cols() const { return diagonal().size(); }