&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;float&nbsp;=&nbsp;<span class="string">"caml_sqrt_float"</span>&nbsp;<span class="string">"sqrt"</span>&nbsp;<span class="string">"float"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;exp&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;float&nbsp;=&nbsp;<span class="string">"caml_exp_float"</span>&nbsp;<span class="string">"exp"</span>&nbsp;<span class="string">"float"</span><br>
&nbsp;&nbsp;<span clas