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 * https://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
18 /*
19 * This is not the original file distributed by the Apache Software Foundation
20 * It has been modified by the Hipparchus project
21 */
22 package org.hipparchus.geometry.enclosing;
23
24 import java.util.List;
25
26 import org.hipparchus.geometry.Point;
27 import org.hipparchus.geometry.Space;
28
29 /** Interface for generating balls based on support points.
30 * <p>
31 * This generator is used in the {@link WelzlEncloser Emo Welzl} algorithm
32 * and its derivatives.
33 * </p>
34 * @param <S> Space type.
35 * @param <P> Point type.
36 * @see EnclosingBall
37 */
38 public interface SupportBallGenerator<S extends Space, P extends Point<S>> {
39
40 /** Create a ball whose boundary lies on prescribed support points.
41 * @param support support points (may be empty)
42 * @return ball whose boundary lies on the prescribed support points
43 */
44 EnclosingBall<S, P> ballOnSupport(List<P> support);
45
46 }