verflow</em>. The
IEEE 754 standard requires the result to be positive infinity.</p>
<p>Overflow is rarely a problem in statistical computations. If it is,
it’s possible to work on the log scale, just as for underflow as
described below.</p>
</div>
<div id="underflow-and-the-log-scale" class="section level3">
<h3><span class="header-section-number">15.3.6</span> Underflow and the log scale</h3>
<p>When there is no number small enough to represent a result, it is said
to <em>underflow</em>. For instance, <