 vertices, using the X coordinate</span>
<a name="l00202"></a>00202 <span class="comment">        as criteria to sort the list.</span>
<a name="l00203"></a>00203 <span class="comment">  </span>
<a name="l00204"></a>00204 <span class="comment">   ## PARAMETRES:</span>
<a name="l00205"></a>00205 <span class="comment">        @ s_vect_elem *lst : List of vector to sort</span>
<a name="l00206"></a>00206 <span class="comment">        @ int start        : Sort from start</span>
<a name="l00207"></a>00207 <span cl