/code>. There are two available gradient test configuration arguments:</p>
<ul>
<li><p><code>epsilon</code> - The finite difference step size. Must be a positive real number. Default value is <span class="math inline">\(1^{-6}\)</span></p></li>
<li><p><code>error</code> - The error threshold. Must be a positive real number. Default value is <span class="math inline">\(1^{-6}\)</span></p></li>
</ul>
<p>To run on the different platforms with the default configuration, use one of the following.</p>
<p>Mac OS a