Function: math-known-realp

math-known-realp is an autoloaded and byte-compiled function defined in calc-arith.el.gz.

Signature

(math-known-realp A)

Source Code

;; Defined in /usr/src/emacs/lisp/calc/calc-arith.el.gz
;;; Try to prove that A is a real (i.e., not complex).
(defun math-known-realp (a)
  (< (math-possible-signs a) 8))