>float</span> ydif = y1 - y2 ;
<a name="l00079"></a>00079         <span class="keywordtype">float</span> zdif = z1 - z2 ;
<a name="l00080"></a>00080 
<a name="l00081"></a>00081         <span class="keywordflow">return</span> sqrt((xdif*xdif) + (ydif*ydif) + (zdif*zdif)) ;
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 <span class="comment"></span>
<a name="l00084"></a>00084 <span class="comment">/**</span>
<a name="l00085"></a>00085 <span class="comment">   ## FONCTION: </span>
<a name="l00086"></a