Function: calcFunc-dnonneg

calcFunc-dnonneg is an autoloaded and byte-compiled function defined in calc-arith.el.gz.

Signature

(calcFunc-dnonneg EXPR)

Source Code

;; Defined in /usr/src/emacs/lisp/calc/calc-arith.el.gz
(defun calcFunc-dnonneg (expr)
  (let ((signs (math-possible-signs expr)))
    (if (memq signs '(2 4 6)) 1
      (if (eq signs 1) 0
	(math-reject-arg expr 'posp 'quiet)))))