 error in
        the result less than <span class="emphasis"><em>tolerance</em></span>. The deprecated interfaces
        take a number of digits precision here, internally they just convert this
        to a tolerance and forward call.
      </p>
<p>
        If the optional <span class="emphasis"><em>max_terms</em></span> parameter is specified then
        no more than <span class="emphasis"><em>max_terms</em></span> calls to the generator will be
        made, and on output, <span class="emphasis"><em>m