and generated quantities
blocks. For a description of argument and return types, see section
<a href="vectorization.html#prng-vectorization">vectorized PRNG functions</a>.</p>
</div>
<div id="numerical-stability" class="section level3">
<h3><span class="header-section-number">20.1.4</span> Numerical stability</h3>
<p>Evaluating the Von Mises distribution for <span class="math inline">\(\kappa &gt; 100\)</span> is
numerically unstable in the current implementation. Nathanael I.
Lichti suggested the following