tes a dense jacobian.
        </li>
        <li>
          <b>DENSLV</b> solves a dense linear system
        </li>
        <li>
          <b>DGBDET</b> computes the determinant of a band matrix factored by DGBTRF.
        </li>
        <li>
          <b>DGEDET</b> computes the determinant of a matrix A that has been
        </li>
        <li>
          <b>LIMIT</b> is used to seek a limit point between two continuation points.
        </li>
        <li>
          <b>R8_EPSILON</b> returns the R8 roundoff u