">y_</a>),<span class="keywordtype">double</span>(x_-pt.<a class="code" href="classnubot_1_1DPoint__.html#a331b9929a84f05c009479ec70b88be37">x_</a>)));</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keywordtype">double</span> tmp_dis=distance(pt);</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classnubot_1_1DPoint__.html">DPoint_&lt;_Tp&gt;</a>(_Tp(pt.<