e></pre><div class="info ">
<div class="info-desc">
<p>Negative infinity.</p>
</div>
</div>

<pre><span id="VALnan"><span class="keyword">val</span> nan</span> : <code class="type">float</code></pre><div class="info ">
<div class="info-desc">
<p>A special floating-point value denoting the result of an
    undefined operation such as <code class="code">0.0&nbsp;/.&nbsp;0.0</code>.  Stands for
    'not a number'.  Any floating-point operation with <code class="code">nan</code> as
    argument returns <code cl