span> <span class="o">=</span> <span class="mi">1</span><span class="p">,</span> <span class="n">nb_elt</span>
         <span class="n">imatorder</span> <span class="o">=</span> <span class="n">eltptr</span><span class="p">(</span><span class="n">inelt</span> <span class="o">+</span><span class="mi">1</span><span class="p">)</span> <span class="o">-</span><span class="n">eltptr</span><span class="p">(</span><span class="n">inelt</span><span class="p">)</span>
         <span class="k">do </span><span class="