TMG</b> generates a modified Givens rotation matrix.
        </li>
        <li>
          <b>DSCAL</b> scales a vector by a constant.
        </li>
        <li>
          <b>DSDOT</b> computes the inner product of two vectors with extended precision.
        </li>
        <li>
          <b>DSWAP</b> interchanges two vectors.
        </li>
        <li>
          <b>IDAMAX</b> finds the index of element having maximum absolute value.
        </li>
        <li>
          <b>LSAME</b> returns TRUE if CA is the 