31"></a><span class="lineno">  131</span>&#160;<span class="keyword">         </span>{</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;             ObserveMethodType::writeToFile(iteration); <span class="comment">/* used for visualization (.dat)*/</span></div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;             writeToXml(<span class="keyword">this</span>, iteration);  <span class="comment">/* used for regression test. (.xml) */</span>