        <span class="keywordtype">size_t</span> index_j = contact_neighborhood.<a class="code" href="class_s_p_h_1_1_neighborhood.html#aaec2f984f8c1afd41b2ea98ec7033f99">j_</a>[n];</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                        Vecd e_ij = contact_neighborhood.<a class="code" href="class_s_p_h_1_1_neighborhood.html#a782ec6d5487c833710534ac48aa2e63b">e_ij_</a>[n];</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;   