f</span>( present(longrangef) ) <span class="keywordflow">then</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;                    <a class="code" href="structcnfunction2d_1_1cnfunction2d.html#ae0cd0dd3139f5197b1b418ac4146bdc8">y</a>(i) = longrangef( xi )</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;                <span class="keywordflow">else</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</sp