> </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</span>
<span class="k">              do </span><span class="n">j</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">,</span><span class="n">n</span><span class="w"></span>
<span class="w">                  </span><span class="n">c</span><s