d0</span>
<span class="w">   </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="w"> </span><span class="n">n</span>
<span class="w">      </span><span class="n">tol</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">dmax1</span><span class="p">(</span><span class="n">tol</span><span class="p">,</span><span class="n">mat_wasum</