lispdoc - results for evenp

(evenp number)

Function: Is this integer even?

Example:

(defun even/odd (ns)
  (loop for n in ns
        if (evenp n)
        collect n into evens else
        collect n into odds
        finally (return (values evens odds))))

Mentioned in:
CLtL2 - 12.2. Predicates on Numbers
HyperSpec - Function EVENP, ODDP
PCL - numeric comparisons
PCL - querying the database
Successful Lisp - chapter12