ultiprecision</span><span class="special">::</span><span class="identifier">unchecked</span></code>.
      </p>
<p>
        For example:
      </p>
<pre class="programlisting"><span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">multiprecision</span><span class="special">;</span>

<span class="identifier">constexpr</span> <span class="identifier">int128_t</span>            <span class="identifie