Function: calcFunc-clean

calcFunc-clean is an autoloaded and byte-compiled function defined in calc-stuff.el.gz.

Signature

(calcFunc-clean A &optional PREC)

Source Code

;; Defined in /usr/src/emacs/lisp/calc/calc-stuff.el.gz
(defun calcFunc-clean (a &optional prec)   ; [X X S] [Public]
  (if prec
      (cond ((Math-messy-integerp prec)
	     (calcFunc-clean a (math-trunc prec)))
	    ((or (not (integerp prec))
		 (< prec 3))
	     (calc-record-why "*Precision must be an integer 3 or above")
	     (list 'calcFunc-clean a prec))
	    ((not (Math-objvecp a))
	     (list 'calcFunc-clean a prec))
	    (t (let ((calc-internal-prec prec)
		     (math-chopping-small t))
		 (calcFunc-clean (math-normalize a)))))
    (cond ((eq (car-safe a) 'polar)
	   (let ((theta (math-mod (nth 2 a)
				  (if (eq calc-angle-mode 'rad)
				      (math-two-pi)
				    360))))
	     (math-neg
	      (math-neg
	       (math-normalize
		(list 'polar
		      (calcFunc-clean (nth 1 a))
		      (calcFunc-clean theta)))))))
	  ((memq (car-safe a) '(vec date hms))
	   (cons (car a) (mapcar 'calcFunc-clean (cdr a))))
	  ((memq (car-safe a) '(cplx mod sdev intv))
	   (math-normalize (cons (car a) (mapcar 'calcFunc-clean (cdr a)))))
	  ((eq (car-safe a) 'float)
	   (if math-chopping-small
	       (if (or (> (nth 2 a) (- calc-internal-prec))
		       (Math-lessp (- calc-internal-prec) (calcFunc-xpon a)))
		   (if (and (math-num-integerp a)
			    (math-lessp (calcFunc-xpon a) calc-internal-prec))
		       (math-trunc a)
		     a)
		 0)
	     a))
	  ((Math-objectp a) a)
	  ((math-infinitep a) a)
	  (t (list 'calcFunc-clean a)))))