e">[<span class="constructor">Nativeint</span>.min_int, <span class="constructor">Nativeint</span>.max_int]</code>.<br>
</div>

<pre><span id="VALint64_of_big_int"><span class="keyword">val</span> int64_of_big_int</span> : <code class="type"><a href="Big_int.html#TYPEbig_int">big_int</a> -&gt; int64</code></pre><div class="info ">
Convert a big integer to a 64-bit integer.
            Raises <code class="code"><span class="constructor">Failure</span></code> if the big integer is outside the
            rang