">   54</span>&#160;        StdVec&lt;VariableType&gt; variance_, variance_new_;      <span class="comment">/* the container of (new) variance. */</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        StdVec&lt;VariableType&gt; local_meanvalue_;              <span class="comment">/* the container of meanvalue for current result. */</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;        </div><div class="line"><a name="l00