ial">(</span><span class="identifier">delta_abs</span> <span class="special">&lt;</span> <span class="identifier">tol</span><span class="special">))</span>
      <span class="special">{</span>
         <span class="keyword">break</span><span class="special">;</span>
      <span class="special">}</span>

      <span class="identifier">n</span> <span class="special">*=</span> <span class="number">2U</span><span class="special">;</span>
   <span class="special">}</span>

   <span class="keyword">return</span> 