ent to
basic types. Stan functions are only specified for the basic data
types of their arguments, including array dimensionality, but not for
sizes or constraints. Of course, functions often check constraints as
part of their behavior.</p>
<div id="primitive-types" class="section level3 unnumbered">
<h3>Primitive types</h3>
<p>Stan provides two primitive data types, <code>real</code> for continuous
values and <code>int</code> for integer values. These are both considered scalar
types.</p>
</div>
<div id="c