/*
* Encog(tm) Core v3.4 - Java Version
* http://www.heatonresearch.com/encog/
* https://github.com/encog/encog-java-core
* Copyright 2008-2016 Heaton Research, 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.ml.bayesian.table;
import java.io.Serializable;
import org.encog.Encog;
import org.encog.util.EngineArray;
import org.encog.util.Format;
/**
* A line from a Bayesian truth table.
*
*/
public class TableLine implements Serializable {
/**
* The probability.
*/
private double probability;
/**
* The result.
*/
private final int result;
/**
* The arguments.
*/
private final int[] arguments;
/**
* Construct a truth table line.
* @param prob The probability.
* @param result The result.
* @param args The arguments.
*/
public TableLine(double prob, int result, int[] args) {
this.probability = prob;
this.result = result;
this.arguments = EngineArray.arrayCopy(args);
}
/**
* @return the probability
*/
public double getProbability() {
return probability;
}
/**
* @return the arguments
*/
public int[] getArguments() {
return arguments;
}
/**
* @return the result
*/
public int getResult() {
return result;
}
/**
* {@inheritDoc}
*/
public String toString() {
StringBuilder r = new StringBuilder();
r.append("result=");
r.append(result);
r.append(",probability=");
r.append(Format.formatDouble(this.probability, 2));
r.append("|");
for(int i=0;i<arguments.length;i++) {
r.append(Format.formatDouble(this.arguments[i], 2));
r.append(" ");
}
return r.toString();
}
/**
* Compare this truth line's arguments to others.
* @param args The other arguments to compare to.
* @return True if the same.
*/
public boolean compareArgs(int[] args) {
if( args.length!=this.arguments.length) {
return false;
}
for(int i=0;i<args.length;i++) {
if( Math.abs(this.arguments[i] - args[i])>Encog.DEFAULT_DOUBLE_EQUAL) {
return false;
}
}
return true;
}
/**
* Set the probability of this line.
* @param probability The probability of this line.
*/
public void setProbability(double probability) {
this.probability = probability;
}
}