amp; !lig_file) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00266"></a>00266 
<a name="l00267"></a>00267     <span class="comment">// we use an exponent of 30 as we may have float or double and</span>
<a name="l00268"></a>00268     <span class="comment">// I don't want to worry about overflow because of nonsymmetry of </span>
<a name="l00269"></a>00269     <span class="comment">// machine numbers</span>
<a name="l00270"></a>00270     my_float_t score_cutoff = (<a cl