Function: math-const-var

math-const-var is a byte-compiled function defined in calc-ext.el.gz.

Signature

(math-const-var EXPR)

Source Code

;; Defined in /usr/src/emacs/lisp/calc/calc-ext.el.gz
(defun math-const-var (expr)
  (and (consp expr)
       (eq (car expr) 'var)
       (or (and (symbolp (nth 2 expr))
		(boundp (nth 2 expr))
		(eq (car-safe (symbol-value (nth 2 expr))) 'special-const))
	   (memq (nth 2 expr) '(var-inf var-uinf var-nan)))))