| /* |
| * 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; |
| |
| public class DormandPrince853FieldIntegratorTest 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 DormandPrince853FieldIntegrator<>(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 DormandPrince853FieldIntegrator<>(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(), 8.1e-8, 1.1e-7, 1.0e-12, "Dormand-Prince 8 (5, 3)"); |
| } |
| |
| @Override |
| public void testKepler() { |
| doTestKepler(Decimal64Field.getInstance(), 4.4e-11); |
| } |
| |
| @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(), 2.1e-7, "Dormand-Prince 8 (5, 3)"); |
| } |
| |
| @Override |
| public void testEventsErrors() { |
| doTestEventsErrors(Decimal64Field.getInstance()); |
| } |
| |
| @Override |
| public void testEventsNoConvergence() { |
| doTestEventsNoConvergence(Decimal64Field.getInstance()); |
| } |
| |
| @Override |
| public void testPartialDerivatives() { |
| doTestPartialDerivatives(2.6e-12, new double[] { 1.3e-11, 3.6e-12, 5.2e-13, 3.6e-12, 3.6e-12 }); |
| } |
| |
| } |