;;; Lisplab, matrix2-array.lisp
;;; Lisp array methods.

;;; Copyright (C) 2012 Joern Inge Vestgaarden
;;;
;;; This program is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 2 of the License, or
;;; (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License along
;;; with this program; if not, write to the Free Software Foundation, Inc.,
;;; 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

(in-package :lisplab)

(defmethod copy ((a array))
  (if (vectorp a)
      (copy-seq a)
      (let ((y (make-array (dim a) :element-type (element-type a))))
	(dotimes (i (size a))
	  (setf (row-major-aref y i)
		(row-major-aref a i)))
	y)))