ode> is passed to a log probability function, it will raise a domain exception, which will in turn be reported by the sampler. The sampler will reject the sample out of hand as if it had zero probability.</p>
</section>
<section id="stan-computes-the-gradient-of-the-log-density-bugs-computes-the-log-density-but-not-its-gradient" class="level3 unnumbered">
<h3 class="unnumbered anchored" data-anchor-id="stan-computes-the-gradient-of-the-log-density-bugs-computes-the-log-density-but-not-its-gradient">Stan com