Congruence.java

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/* Congruence Java class declaration and implementation.
   Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
   Copyright (C) 2010-2016 BUGSENG srl (http://bugseng.com)

This file is part of the Parma Polyhedra Library (PPL).

The PPL 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 3 of the License, or (at your
option) any later version.

The PPL 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 02111-1307, USA.

For the most up-to-date information see the Parma Polyhedra Library
site: http://bugseng.com/products/ppl/ . */

package parma_polyhedra_library;


public class Congruence {

    protected Coefficient mod;

    Linear_Expression lhs;

    Linear_Expression rhs;

    public Congruence(Linear_Expression e1, Linear_Expression e2,
                      Coefficient m) {
        mod = new Coefficient(m);
        lhs = e1.clone();
        rhs = e2.clone();
    }

    public Linear_Expression left_hand_side() {
        return lhs;
    }

    public Linear_Expression right_hand_side() {
        return rhs;
    }

    public Coefficient modulus() {
        return mod;
    }

    public native String ascii_dump();

    public native String toString();

    private static native void initIDs();
    static {
        initIDs();
    }
}