00339                     dsq=<a class="code" href="calc_8c.html#5fbe8e59e515cf3b7af1c25a1914445c">ddist</a>(tx,ty,tz,a-&gt;<a class="code" href="structs__atm.html#2bf748fbcd9b6d0a472b292a6b244ed5">x</a>,a-&gt;<a class="code" href="structs__atm.html#72534af707e830760a209fec348bc1af">y</a>,a-&gt;<a class="code" href="structs__atm.html#f7cae749a2d07ffb393317f12745170a">z</a>);
<a name="l00340"></a>00340                     <span class="keywordflow">if</span>(dsq&lt;(a-&gt;<a class="code" href="structs__atm.ht