oatarray&nbsp;=&nbsp;<span class="string">"caml_floatarray_create"</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;length&nbsp;:&nbsp;floatarray&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int&nbsp;=&nbsp;<span class="string">"%floatarray_length"</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;get&nbsp;:&nbsp;floatarray&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int&nbsp;<span class="keywordsign">-&gt;</span>&nbsp