egative_infinity; () -->
<p></p>
<p><code>real</code> <strong><code>negative_infinity</code></strong><code>()</code><br>
Negative infinity, a special non-finite real value smaller than all
finite numbers</p>
<!-- real; machine_precision; () -->
<p></p>
<p><code>real</code> <strong><code>machine_precision</code></strong><code>()</code><br>
The smallest number <span class="math inline">\(x\)</span> such that <span class="math inline">\((x + 1) \neq 1\)</span> in floating-point
arithmetic on the current hardwa