/*******************************************************************************
*   Copyright 2012 Analog Devices, Inc.
*
*   Licensed under the Apache License, Version 2.0 (the "License");
*   you may not use this file except in compliance with the License.
*   You may obtain a copy of the License at
*
*       http://www.apache.org/licenses/LICENSE-2.0
*
*   Unless required by applicable law or agreed to in writing, software
*   distributed under the License is distributed on an "AS IS" BASIS,
*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*   See the License for the specific language governing permissions and
*   limitations under the License.
********************************************************************************/

package com.analog.lyric.dimple.examples;

import org.eclipse.jdt.annotation.NonNullByDefault;

import com.analog.lyric.dimple.factorfunctions.core.FactorFunction;
import com.analog.lyric.dimple.model.values.Value;

@NonNullByDefault
public class ThreeBitXor extends FactorFunction
{
	@Override
	public final double evalEnergy(Value[] args)
	{
		int arg0 = args[0].getInt();
		int arg1 = args[1].getInt();
		int arg2 = args[2].getInt();
		
		return (arg0 ^ arg1 ^ arg2) == 0 ? 0 : Double.POSITIVE_INFINITY;
	}
}
