f accuracy. But when they are combined, the result often has less
accuracy. In some cases, the difference in accuracy between two
operands and their result is large.</p>
<p>There are three special real values used to represent (1) not-a-number
value for error conditions, (2) positive infinity for overflow, and
(3) negative infinity for overflow. The behavior of these special
numbers follows standard IEEE 754 behavior.</p>
<div id="not-a-number" class="section level4 unnumbered">
<h4>Not-a-number</h4>
<p>The