t</span> <a class="code" href="classnubot_1_1DPoint__.html">DPoint_&lt;_Tp&gt;</a>&amp; b)</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;{</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    a.<a class="code" href="classnubot_1_1DPoint__.html#a331b9929a84f05c009479ec70b88be37">x_</a> = _Tp(a.<a class="code" href="classnubot_1_1DPoint__.html#a331b9929a84f05c009479ec70b88be37">x_</a> - b.<a class="code" href="classnubot_1_1DPoint__.html