n negative infinity and positive infinity if given
positive infinity. Often the gradients will break down when values
are infinite, making these boundary conditions less useful than they
may appear at first.</p>
</div>
</div>
<div id="promoting-integers-to-reals" class="section level3 unnumbered">
<h3>Promoting integers to reals</h3>
<p>Stan automatically promotes integer values to real values if
necessary, but does not automatically demote real values to integers.
For very large integers, this will cause a