/* * 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.ode.nonstiff; import org.apache.commons.math4.Field; import org.apache.commons.math4.RealFieldElement; import org.apache.commons.math4.util.Decimal64Field; public class HighamHall54FieldIntegratorTest extends EmbeddedRungeKuttaFieldIntegratorAbstractTest { @Override protected <T extends RealFieldElement<T>> EmbeddedRungeKuttaFieldIntegrator<T> createIntegrator(Field<T> field, final double minStep, final double maxStep, final double scalAbsoluteTolerance, final double scalRelativeTolerance) { return new HighamHall54FieldIntegrator<>(field, minStep, maxStep, scalAbsoluteTolerance, scalRelativeTolerance); } @Override protected <T extends RealFieldElement<T>> EmbeddedRungeKuttaFieldIntegrator<T> createIntegrator(Field<T> field, final double minStep, final double maxStep, final double[] vecAbsoluteTolerance, final double[] vecRelativeTolerance) { return new HighamHall54FieldIntegrator<>(field, minStep, maxStep, vecAbsoluteTolerance, vecRelativeTolerance); } @Override public void testNonFieldIntegratorConsistency() { doTestNonFieldIntegratorConsistency(Decimal64Field.getInstance()); } @Override public void testSanityChecks() { doTestSanityChecks(Decimal64Field.getInstance()); } @Override public void testBackward() { doTestBackward(Decimal64Field.getInstance(), 5.0e-7, 5.0e-7, 1.0e-12, "Higham-Hall 5(4)"); } @Override public void testKepler() { doTestKepler(Decimal64Field.getInstance(), 1.5e-4); } @Override public void testForwardBackwardExceptions() { doTestForwardBackwardExceptions(Decimal64Field.getInstance()); } @Override public void testMinStep() { doTestMinStep(Decimal64Field.getInstance()); } @Override public void testIncreasingTolerance() { // the 1.3 factor is only valid for this test // and has been obtained from trial and error // there is no general relation between local and global errors doTestIncreasingTolerance(Decimal64Field.getInstance(), 1.3, 1.0e-12); } @Override public void testEvents() { doTestEvents(Decimal64Field.getInstance(), 1.0e-7, "Higham-Hall 5(4)"); } @Override public void testEventsErrors() { doTestEventsErrors(Decimal64Field.getInstance()); } @Override public void testEventsNoConvergence() { doTestEventsNoConvergence(Decimal64Field.getInstance()); } @Override public void testPartialDerivatives() { doTestPartialDerivatives(1.2e-11, new double[] { 6.4e-11, 1.8e-11, 2.4e-12, 2.2e-12, 1.8e-11 }); } }