ause of integer to real type promotion, rules must be established
for which function is called given a sequence of argument types. The
scheme employed by Stan is the same as that used by C++, which
resolves a function call to the function requiring the minimum number
of type promotions.</p>
<p>For example, consider a situation in which the following two function
signatures have been registered for <code>foo</code>.</p>
<div class="sourceCode" id="cb122"><pre class="sourceCode stan"><code class="sourceCode s