s="p">.</span><span class="mf">0.0d0</span><span class="w"> </span><span class="p">.</span><span class="nb">or</span><span class="p">.</span><span class="w"> </span><span class="nb">dabs</span><span class="p">(</span><span class="n">xi</span><span class="p">).</span><span class="n">ne</span><span class="p">.</span><span class="mf">1.0d0</span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
<span class="k">      call </span><span class="n">mat_wdiv</span><span class="p">(</span><s