e of built in mathematical and statistical
functions, which are documented in the built-in function documentation.</p>
<p>Expressions in Stan may consist of the name of function followed by a
sequence of zero or more argument expressions. For instance,
<code>log(2.0)</code> is the expression of type <code>real</code> denoting the
result of applying the natural logarithm to the value of the real
literal <code>2.0</code>.</p>
<p>Syntactically, function application has higher precedence than any of
the other o