="keyword">protected</span>:</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;            <a class="code" href="class_std_large_vec_3_01_vecd_01_4.html">StdLargeVec&lt;Vecd&gt;</a> &amp;pos_temp_, &amp;pos_, &amp;vel_ave_, &amp;acc_ave_;</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0)