001/* A operation taking two operands of type long, and producing a value of
002 type long.
003
004 Copyright (c) 1998-2014 The Regents of the University of California.
005 All rights reserved.
006
007 Permission is hereby granted, without written agreement and without
008 license or royalty fees, to use, copy, modify, and distribute this
009 software and its documentation for any purpose, provided that the above
010 copyright notice and the following two paragraphs appear in all copies
011 of this software.
012
013 IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
014 FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
015 ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
016 THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
017 SUCH DAMAGE.
018
019 THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
020 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
021 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
022 PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
023 CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
024 ENHANCEMENTS, OR MODIFICATIONS.
025
026 PT_COPYRIGHT_VERSION_2
027 COPYRIGHTENDKEY
028
029 */
030package ptolemy.math.test;
031
032import ptolemy.math.LongBinaryOperation;
033
034/** A operation taking two operands of type long, and producing a value of
035 type long. This interface attempts to mimic a first-class function of two
036 variables.
037
038 @author Christopher Hylands
039 @version $Id$
040 @since Ptolemy II 2.0
041 @Pt.ProposedRating Red (ctsay)
042 @Pt.AcceptedRating Red (ctsay)
043 */
044public class TestLongBinaryOperation implements LongBinaryOperation {
045    /** Operate on the operands, returning a value of the same
046     *  type. Note that the operation need not be commutative.
047     */
048    @Override
049    public long operate(long leftOperand, long rightOperand) {
050        return leftOperand - rightOperand;
051    }
052}