Function: calcFunc-dreal

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

Signature

(calcFunc-dreal EXPR)

Source Code

;; Defined in /usr/src/emacs/lisp/calc/calc-arith.el.gz
(defun calcFunc-dreal (expr)
  (let ((types (math-possible-types expr)))
    (if (< types 16) 1
      (if (= (logand types 15) 0) 0
	(math-reject-arg expr 'realp 'quiet)))))