1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.geometry.core.partitioning.test; 18 19 import org.apache.commons.geometry.core.Point; 20 21 /** Class representing a point in two dimensional Euclidean space. This 22 * class should only be used for testing purposes. 23 */ 24 public final class TestPoint2D implements Point<TestPoint2D> { 25 26 /** Instance representing the coordinates {@code (0, 0)} */ 27 public static final TestPoint2D ZERO = new TestPoint2D(0, 0); 28 29 /** Instance representing the coordinates {@code (1, 0)} */ 30 public static final TestPoint2D PLUS_X = new TestPoint2D(1, 0); 31 32 /** Instance representing the coordinates {@code (0, 1)} */ 33 public static final TestPoint2D PLUS_Y = new TestPoint2D(0, 1); 34 35 /** X coordinate */ 36 private final double x; 37 38 /** Y coordinate */ 39 private final double y; 40 41 /** Simple constructor. 42 * @param x x coordinate 43 * @param y y coordinate 44 */ 45 public TestPoint2D(final double x, final double y) { 46 this.x = x; 47 this.y = y; 48 } 49 50 /** Get the x coordinate value. 51 * @return x coordinate value 52 */ 53 public double getX() { 54 return x; 55 } 56 57 /** Get the y coordinate value. 58 * @return y coordinate value 59 */ 60 public double getY() { 61 return y; 62 } 63 64 /** {@inheritDoc} */ 65 @Override 66 public int getDimension() { 67 return 2; 68 } 69 70 /** {@inheritDoc} */ 71 @Override 72 public boolean isNaN() { 73 return Double.isNaN(x) || Double.isNaN(y); 74 } 75 76 /** {@inheritDoc} */ 77 @Override 78 public boolean isInfinite() { 79 return Double.isInfinite(x) || Double.isInfinite(y); 80 } 81 82 /** {@inheritDoc} */ 83 @Override 84 public boolean isFinite() { 85 return Double.isFinite(x) && Double.isFinite(y); 86 } 87 88 /** {@inheritDoc} */ 89 @Override 90 public double distance(final TestPoint2D p) { 91 final double dx = x - p.x; 92 final double dy = y - p.y; 93 94 return Math.sqrt((dx * dx) + (dy * dy)); 95 } 96 97 /** {@inheritDoc} */ 98 @Override 99 public String toString() { 100 return "(" + x + ", " + y + ")"; 101 } 102 }