 class="special">)</span></code> would
        return <code class="computeroutput"><span class="number">3</span></code> and <code class="computeroutput"><span class="identifier">ltrunc</span><span class="special">(-</span><span class="number">4.6</span><span class="special">)</span></code>
        would return <code class="computeroutput"><span class="special">-</span><span class="number">4</span></code>.
      </p>
<p>
        If the argument <span class="emphasis"><em>v</em></span> is either non-finite or