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  
18  package org.apache.commons.math.ode;
19  
20  /**
21   * This class is used in the junit tests for the ODE integrators.
22   */
23  public class TestProblemFactory {
24  
25    /** Problems pool. */
26    private static TestProblemAbstract[] pool = {
27      new TestProblem1(),
28      new TestProblem2(),
29      new TestProblem3(),
30      new TestProblem4(),
31      new TestProblem5(),
32      new TestProblem6()
33    };
34  
35    /**
36     * Private constructor.
37     * This is a utility class, so there are no instance at all.
38     */
39    private TestProblemFactory() {
40    }
41  
42    /**
43     * Get the problems.
44     * @return array of problems to solve
45     */
46    public static TestProblemAbstract[] getProblems() {
47      return pool;
48    }
49  
50  }