n>                        <span class="keywordflow">return</span> poles.second == 0. &amp;&amp; zeros.second == 0.;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>                }</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>                <span class="keywordtype">bool</span> is_nan ()<span class="keyword"> const</span></div>
<