| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.commons.math4.legacy.ode.nonstiff; |
| |
| |
| import org.apache.commons.math4.legacy.core.Field; |
| import org.apache.commons.math4.legacy.core.RealFieldElement; |
| import org.apache.commons.math4.legacy.exception.MathIllegalStateException; |
| import org.apache.commons.math4.legacy.exception.MaxCountExceededException; |
| import org.apache.commons.math4.legacy.exception.NumberIsTooSmallException; |
| import org.junit.Test; |
| |
| public class AdamsMoultonFieldIntegratorTest extends AdamsFieldIntegratorAbstractTest { |
| |
| @Override |
| protected <T extends RealFieldElement<T>> AdamsFieldIntegrator<T> |
| createIntegrator(Field<T> field, final int nSteps, final double minStep, final double maxStep, |
| final double scalAbsoluteTolerance, final double scalRelativeTolerance) { |
| return new AdamsMoultonFieldIntegrator<>(field, nSteps, minStep, maxStep, |
| scalAbsoluteTolerance, scalRelativeTolerance); |
| } |
| |
| @Override |
| protected <T extends RealFieldElement<T>> AdamsFieldIntegrator<T> |
| createIntegrator(Field<T> field, final int nSteps, final double minStep, final double maxStep, |
| final double[] vecAbsoluteTolerance, final double[] vecRelativeTolerance) { |
| return new AdamsMoultonFieldIntegrator<>(field, nSteps, minStep, maxStep, |
| vecAbsoluteTolerance, vecRelativeTolerance); |
| } |
| |
| @Override |
| @Test(expected=NumberIsTooSmallException.class) |
| public void testMinStep() { |
| doDimensionCheck(Decimal64Field.getInstance()); |
| } |
| |
| @Override |
| @Test |
| public void testIncreasingTolerance() { |
| // the 0.45 and 8.69 factors are only valid for this test |
| // and has been obtained from trial and error |
| // there are no general relationship between local and global errors |
| doTestIncreasingTolerance(Decimal64Field.getInstance(), 0.45, 8.69); |
| } |
| |
| @Override |
| @Test(expected = MaxCountExceededException.class) |
| public void exceedMaxEvaluations() { |
| doExceedMaxEvaluations(Decimal64Field.getInstance(), 650); |
| } |
| |
| @Override |
| @Test |
| public void backward() { |
| doBackward(Decimal64Field.getInstance(), 3.0e-9, 3.0e-9, 1.0e-16, "Adams-Moulton"); |
| } |
| |
| @Override |
| @Test |
| public void polynomial() { |
| doPolynomial(Decimal64Field.getInstance(), 5, 2.2e-05, 1.1e-11); |
| } |
| |
| @Override |
| @Test(expected=MathIllegalStateException.class) |
| public void testStartFailure() { |
| doTestStartFailure(Decimal64Field.getInstance()); |
| } |
| |
| } |