><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">zero</span><span class="w"></span>
<span class="w">                      </span><span class="k">enddo</span>
<span class="k">                  else if</span><span class="w"> </span><span class="p">(</span><span class="n">beta</span><span class="p">.</span><span class="n">ne</span><span class="p">.</span><span class="n">one</span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<span class="k">