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The Apache Commons Math project is a library of lightweight, self-contained mathematics and statistics components addressing the most common practical problems not immediately available in the Java programming language or commons-lang.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.commons.math3.ml.distance;
import org.apache.commons.math3.exception.DimensionMismatchException;
import org.apache.commons.math3.util.MathArrays;
/**
* Calculates the L∞ (max of abs) distance between two points.
*
* @since 3.2
*/
public class ChebyshevDistance implements DistanceMeasure {
/** Serializable version identifier. */
private static final long serialVersionUID = -4694868171115238296L;
/** {@inheritDoc} */
public double compute(double[] a, double[] b)
throws DimensionMismatchException {
return MathArrays.distanceInf(a, b);
}
}