al</span>&nbsp;floor&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;float&nbsp;=&nbsp;<span class="string">"caml_floor_float"</span>&nbsp;<span class="string">"floor"</span>&nbsp;<span class="string">"float"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;abs_float&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;float&nbsp;=&nbsp;<span class="string">"%absfloat"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;copysign&nbsp;:&nbsp;flo