/*******************************************************************************
* 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.factorfunctions;
import com.analog.lyric.dimple.factorfunctions.core.FactorFunction;
import com.analog.lyric.dimple.model.values.Value;
/*
* Function for testing kbestminsum works
*/
public class SumOfInputs extends FactorFunction
{
public SumOfInputs()
{
super("FactorFunctionForTesting");
}
@Override
public final double evalEnergy(Value[] arguments)
{
double sum = 0;
for (int i = 0; i < arguments.length; i++)
{
sum += arguments[i].getDouble();
}
return -Math.log(sum);
}
}