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.math4.legacy.analysis.solvers; 19 20 /** 21 * Test case for {@link SecantSolver Secant} solver. 22 * 23 */ 24 public final class SecantSolverTest extends BaseSecantSolverAbstractTest { 25 /** {@inheritDoc} */ 26 @Override 27 protected UnivariateSolver getSolver() { 28 return new SecantSolver(); 29 } 30 31 /** {@inheritDoc} */ 32 @Override 33 protected int[] getQuinticEvalCounts() { 34 // As the Secant method does not maintain a bracketed solution, 35 // convergence is not guaranteed. Two test cases are disabled (-1) due 36 // to bad solutions. 37 return new int[] {3, 7, -1, 8, 9, 8, 11, 12, 14, -1, 16}; 38 } 39 }