001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.math3.geometry;
018
019import java.io.Serializable;
020
021/** This interface represents a generic geometrical point.
022 * @param <S> Type of the space.
023 * @see Space
024 * @see Vector
025 * @since 3.3
026 */
027public interface Point<S extends Space> extends Serializable {
028
029    /** Get the space to which the point belongs.
030     * @return containing space
031     */
032    Space getSpace();
033
034    /**
035     * Returns true if any coordinate of this point is NaN; false otherwise
036     * @return  true if any coordinate of this point is NaN; false otherwise
037     */
038    boolean isNaN();
039
040    /** Compute the distance between the instance and another point.
041     * @param p second point
042     * @return the distance between the instance and p
043     */
044    double distance(Point<S> p);
045
046}