span>

                <span class="c1"># Break conditions</span>
                <span class="k">if</span> <span class="n">diff_g</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
                    <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">verbosity</span> <span class="o">&gt;</span> <span class="o">-</span><span class="mi">1