Function: calcFunc-gamma

calcFunc-gamma is an autoloaded and byte-compiled function defined in calc-funcs.el.gz.

Signature

(calcFunc-gamma X)

Source Code

;; Defined in /usr/src/emacs/lisp/calc/calc-funcs.el.gz
;;; Sources:  Numerical Recipes, Press et al;
;;;           Handbook of Mathematical Functions, Abramowitz & Stegun.


;;; Gamma function.

(defun calcFunc-gamma (x)
  (or (math-numberp x) (math-reject-arg x 'numberp))
  (calcFunc-fact (math-add x -1)))