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Posted to commits@commons.apache.org by lu...@apache.org on 2016/01/06 14:50:36 UTC
[20/50] [abbrv] [math] Added tests for the Higham-Hall 5(4)
integrator.
Added tests for the Higham-Hall 5(4) integrator.
Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo
Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/7fc003df
Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/7fc003df
Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/7fc003df
Branch: refs/heads/master
Commit: 7fc003df8e22a4dcd2f16f5634fb9d8263ff5d04
Parents: d6a8ed5
Author: Luc Maisonobe <lu...@apache.org>
Authored: Wed Jan 6 12:41:32 2016 +0100
Committer: Luc Maisonobe <lu...@apache.org>
Committed: Wed Jan 6 12:41:32 2016 +0100
----------------------------------------------------------------------
.../HighamHall54FieldIntegratorTest.java | 93 ++++++++++++++++++++
.../HighamHall54FieldStepInterpolatorTest.java | 49 +++++++++++
2 files changed, 142 insertions(+)
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http://git-wip-us.apache.org/repos/asf/commons-math/blob/7fc003df/src/test/java/org/apache/commons/math4/ode/nonstiff/HighamHall54FieldIntegratorTest.java
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diff --git a/src/test/java/org/apache/commons/math4/ode/nonstiff/HighamHall54FieldIntegratorTest.java b/src/test/java/org/apache/commons/math4/ode/nonstiff/HighamHall54FieldIntegratorTest.java
new file mode 100644
index 0000000..d24d286
--- /dev/null
+++ b/src/test/java/org/apache/commons/math4/ode/nonstiff/HighamHall54FieldIntegratorTest.java
@@ -0,0 +1,93 @@
+/*
+ * 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;
+import org.junit.Test;
+
+public class HighamHall54FieldIntegratorTest extends AbstractEmbeddedRungeKuttaFieldIntegratorTest {
+
+ 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<T>(field, minStep, maxStep, scalAbsoluteTolerance, scalRelativeTolerance);
+ }
+
+ 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<T>(field, minStep, maxStep, vecAbsoluteTolerance, vecRelativeTolerance);
+ }
+
+ @Test
+ public void testNonFieldIntegratorConsistency() {
+ doTestNonFieldIntegratorConsistency(Decimal64Field.getInstance());
+ }
+
+ @Test
+ public void testSanityChecks() {
+ doTestSanityChecks(Decimal64Field.getInstance());
+ }
+
+ @Test
+ public void testBackward() {
+ doTestBackward(Decimal64Field.getInstance(), 5.0e-7, 5.0e-7, 1.0e-12, "Higham-Hall 5(4)");
+ }
+
+ @Test
+ 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());
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/commons-math/blob/7fc003df/src/test/java/org/apache/commons/math4/ode/nonstiff/HighamHall54FieldStepInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/ode/nonstiff/HighamHall54FieldStepInterpolatorTest.java b/src/test/java/org/apache/commons/math4/ode/nonstiff/HighamHall54FieldStepInterpolatorTest.java
new file mode 100644
index 0000000..0d9180b
--- /dev/null
+++ b/src/test/java/org/apache/commons/math4/ode/nonstiff/HighamHall54FieldStepInterpolatorTest.java
@@ -0,0 +1,49 @@
+/*
+ * 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.ode.FieldEquationsMapper;
+import org.apache.commons.math4.util.Decimal64Field;
+import org.junit.Test;
+
+public class HighamHall54FieldStepInterpolatorTest extends AbstractRungeKuttaFieldStepInterpolatorTest {
+
+ protected <T extends RealFieldElement<T>> RungeKuttaFieldStepInterpolator<T>
+ createInterpolator(Field<T> field, boolean forward, FieldEquationsMapper<T> mapper) {
+ return new HighamHall54FieldStepInterpolator<T>(field, forward, mapper);
+ }
+
+ @Test
+ public void interpolationAtBounds() {
+ doInterpolationAtBounds(Decimal64Field.getInstance(), 4.9e-16);
+ }
+
+ @Test
+ public void interpolationInside() {
+ doInterpolationInside(Decimal64Field.getInstance(), 4.0e-13, 2.7e-15);
+ }
+
+ @Test
+ public void nonFieldInterpolatorConsistency() {
+ doNonFieldInterpolatorConsistency(Decimal64Field.getInstance(), 1.4e-17, 1.0e-50, 1.0e-50, 1.0e-50);
+ }
+
+}