&nbsp;<span class="keyword">external</span>&nbsp;classify_float&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Pervasives</span>.fpclass<br>
&nbsp;&nbsp;&nbsp;&nbsp;=&nbsp;<span class="string">"caml_classify_float"</span><br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;(&nbsp;^&nbsp;)&nbsp;:&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string<br>
&nbsp;&nbsp;<span class="keyword">exter