source: trunk/j/src/org/armedbear/lisp/upgraded-complex-part-type.lisp @ 6705

;;; upgraded-complex-part-type.lisp
;;;
;;; Copyright (C) 2004 Peter Graves
;;; $Id: upgraded-complex-part-type.lisp,v 1.2 2004-05-03 15:24:54 piso Exp $
;;;
;;; 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

;;; Adapted from SBCL.

(defun upgraded-complex-part-type (typespec &optional environment)
  (cond ((subtypep typespec 'float)
   'float)
  ((subtypep typespec 'rational)
   'rational)
        ((subtypep typespec 'real)
         'real)
  (t
   t)))