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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;
23  
24  import java.io.Serializable;
25  
26  import org.hipparchus.exception.MathRuntimeException;
27  
28  /** This interface represents a generic space, with affine and vectorial counterparts.
29   * @see Vector
30   */
31  public interface Space extends Serializable {
32  
33      /** Get the dimension of the space.
34       * @return dimension of the space
35       */
36      int getDimension();
37  
38      /** Get the n-1 dimension subspace of this space.
39       * @return n-1 dimension sub-space of this space
40       * @see #getDimension()
41       * @exception MathRuntimeException for dimension-1 spaces
42       * which do not have sub-spaces
43       */
44      Space getSubSpace() throws MathRuntimeException;
45  
46  }