ine"><a name="l00188"></a><span class="lineno">  188</span>&#160;</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;      <span class="keywordflow">if</span> (!IsBetaZero) {</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        source_iterator.set_iteration_index(iter);</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;        source_iterator.load(source_fragment);</div><div class="line"><a name="l00192"><