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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  
23  package org.hipparchus.analysis.solvers;
24  
25  /**
26   * Test case for {@link SecantSolver Secant} solver.
27   *
28   */
29  public final class SecantSolverTest extends BaseSecantSolverAbstractTest {
30      /** {@inheritDoc} */
31      @Override
32      protected UnivariateSolver getSolver() {
33          return new SecantSolver();
34      }
35  
36      /** {@inheritDoc} */
37      @Override
38      protected int[] getQuinticEvalCounts() {
39          // As the Secant method does not maintain a bracketed solution,
40          // convergence is not guaranteed. Two test cases are disabled (-1) due
41          // to bad solutions.
42          return new int[] {3, 7, -1, 8, 9, 8, 11, 12, 14, -1, 16};
43      }
44  }