| /* |
| * 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.math4.legacy.ml.clustering; |
| |
| import java.io.Serializable; |
| import java.util.Arrays; |
| |
| /** |
| * A simple implementation of {@link Clusterable} for points with double coordinates. |
| * @since 3.2 |
| */ |
| public class DoublePoint implements Clusterable, Serializable { |
| |
| /** Serializable version identifier. */ |
| private static final long serialVersionUID = 3946024775784901369L; |
| |
| /** Point coordinates. */ |
| private final double[] point; |
| |
| /** |
| * Build an instance wrapping an double array. |
| * <p> |
| * The wrapped array is referenced, it is <em>not</em> copied. |
| * |
| * @param point the n-dimensional point in double space |
| */ |
| public DoublePoint(final double[] point) { |
| this.point = point; |
| } |
| |
| /** |
| * Build an instance wrapping an integer array. |
| * <p> |
| * The wrapped array is copied to an internal double array. |
| * |
| * @param point the n-dimensional point in integer space |
| */ |
| public DoublePoint(final int[] point) { |
| this.point = new double[point.length]; |
| for ( int i = 0; i < point.length; i++) { |
| this.point[i] = point[i]; |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public double[] getPoint() { |
| return point; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public boolean equals(final Object other) { |
| if (!(other instanceof DoublePoint)) { |
| return false; |
| } |
| return Arrays.equals(point, ((DoublePoint) other).point); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int hashCode() { |
| return Arrays.hashCode(point); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String toString() { |
| return Arrays.toString(point); |
| } |
| |
| } |