Function: calcFunc-conj

calcFunc-conj is an autoloaded and byte-compiled function defined in calc-cplx.el.gz.

Signature

(calcFunc-conj A)

Source Code

;; Defined in /usr/src/emacs/lisp/calc/calc-cplx.el.gz
;;; Compute the complex conjugate of A.  [O O] [Public]
(defun calcFunc-conj (a)
  (let (aa bb)
    (cond ((Math-realp a)
	   a)
	  ((eq (car a) 'cplx)
	   (list 'cplx (nth 1 a) (math-neg (nth 2 a))))
	  ((eq (car a) 'polar)
	   (list 'polar (nth 1 a) (math-neg (nth 2 a))))
	  ((eq (car a) 'vec)
	   (math-map-vec 'calcFunc-conj a))
	  ((eq (car a) 'calcFunc-conj)
	   (nth 1 a))
	  ((math-known-realp a)
	   a)
	  ((and (equal a '(var i var-i))
		(math-imaginary-i))
	   (math-neg a))
	  ((and (memq (car a) '(+ - * /))
		(progn
		  (setq aa (calcFunc-conj (nth 1 a))
			bb (calcFunc-conj (nth 2 a)))
		  (or (not (eq (car-safe aa) 'calcFunc-conj))
		      (not (eq (car-safe bb) 'calcFunc-conj)))))
	   (if (eq (car a) '+)
	       (math-add aa bb)
	     (if (eq (car a) '-)
		 (math-sub aa bb)
	       (if (eq (car a) '*)
		   (math-mul aa bb)
		 (math-div aa bb)))))
	  ((eq (car a) 'neg)
	   (math-neg (calcFunc-conj (nth 1 a))))
	  ((let ((inf (math-infinitep a)))
	     (and inf
		  (math-mul (calcFunc-conj (math-infinite-dir a inf)) inf))))
	  (t (calc-record-why 'numberp a)
	     (list 'calcFunc-conj a)))))