fined by the
              function <code class="computeroutput"><span class="identifier">f</span></code>.
            </p></blockquote></div>
<h6>
<a name="spirit.qi.reference.auxiliary.eps.h9"></a>
            <span class="phrase"><a name="spirit.qi.reference.auxiliary.eps.example"></a></span><a class="link" href="eps.html#spirit.qi.reference.auxiliary.eps.example">Example</a>
          </h6>
<div class="note"><table border="0" summary="Note">
<tr>
<td rowspan="2" align="center" valign="top" width="25"><i