ordflow">if</span>(!A_bins_are_setup){
<a name="l00265"></a>00265       *nbrs = A_bins.end();
<a name="l00266"></a>00266       *moved_nbrs = A_bins.end();
<a name="l00267"></a>00267       warn(<span class="stringliteral">"point_bins"</span>, <span class="stringliteral">"get_bin"</span>, 
<a name="l00268"></a>00268            <span class="stringliteral">"Cannot get neighborhood before setting up grid"</span>);
<a name="l00269"></a>00269       <span class="keywordflow">return</span>;
<a name="l00270"></a>0027