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source: branches/f4grobner/ring-and-order.lisp@ 2571

Last change on this file since 2571 was 1727, checked in by Marek Rychlik, 9 years ago

* empty log message *

File size: 1.9 KB
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1;;; -*- Mode: Lisp -*-
2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3;;;
4;;; Copyright (C) 1999, 2002, 2009, 2015 Marek Rychlik <rychlik@u.arizona.edu>
5;;;
6;;; This program is free software; you can redistribute it and/or modify
7;;; it under the terms of the GNU General Public License as published by
8;;; the Free Software Foundation; either version 2 of the License, or
9;;; (at your option) any later version.
10;;;
11;;; This program is distributed in the hope that it will be useful,
12;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14;;; GNU General Public License for more details.
15;;;
16;;; You should have received a copy of the GNU General Public License
17;;; along with this program; if not, write to the Free Software
18;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19;;;
20;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
21
22(defpackage "RING-AND-ORDER"
23 (:use :cl :ring :order)
24 (:export "RING-AND-ORDER"
25 "MAKE-RING-AND-ORDER"
26 "RO-ORDER"
27 "RO-RING"
28 "RO-ORDER"))
29
30(in-package :ring-and-order)
31
32(defstruct (ring-and-order
33 (:conc-name ro-)
34 (:constructor make-ring-and-order
35 (&key
36 (ring +ring-of-integers+)
37 (order #'lex>)
38 (primary-elimination-order order)
39 (secondary-elimination-order order)
40 (elimination-order-factory
41 (make-elimination-order-factory primary-elimination-order
42 secondary-elimination-order)))))
43 (ring +ring-of-integers+ :type ring)
44 (order nil :type function)
45 (elimination-order-factory nil :type function))
46
47
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