lass="keyword">external</span>&nbsp;float_of_int&nbsp;:&nbsp;int&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;float&nbsp;=&nbsp;<span class="string">"%floatofint"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;truncate&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int&nbsp;=&nbsp;<span class="string">"%intoffloat"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;int_of_float&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int&nb