/* -*- tab-width: 4 -*-
*
* Electric(tm) VLSI Design System
*
* File: Invertible.java
*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
*
* Electric(tm) is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Electric(tm) 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Electric(tm); see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, Mass 02111-1307, USA.
*/
package com.sun.electric.database.geometry.btree.unboxed;
import java.io.*;
/**
* An invertible operation on unboxed values.
*
* http://en.wikipedia.org/wiki/Group
*/
public interface InvertibleOperation<S extends Serializable>
extends Unboxed<S> {
/**
* Compute (buf,ofs)^-1 and write it to (buf_dest,ofs_dest).
* MUST support the case where (buf,ofs)==(buf_dest,ofs_dest).
*/
public void invert(byte[] buf, int ofs,
byte[] buf_dest, int ofs_dest);
}