diff --git a/src/test/java/org/apache/commons/math4/ode/nonstiff/LutherFieldStepInterpolatorTest.java b/src/test/java/org/apache/commons/math4/ode/nonstiff/LutherFieldStepInterpolatorTest.java new file mode 100644 index 000000000..de16bb982 --- /dev/null +++ b/src/test/java/org/apache/commons/math4/ode/nonstiff/LutherFieldStepInterpolatorTest.java @@ -0,0 +1,44 @@ +/* + * 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 LutherFieldStepInterpolatorTest extends AbstractRungeKuttaFieldStepInterpolatorTest { + + protected > RungeKuttaFieldStepInterpolator + createInterpolator(Field field, boolean forward, FieldEquationsMapper mapper) { + return new LutherFieldStepInterpolator(field, forward, mapper); + } + + @Test + public void interpolationAtBounds() { + doInterpolationAtBounds(Decimal64Field.getInstance(), 1.0e-15); + } + + @Test + public void interpolationInside() { + doInterpolationInside(Decimal64Field.getInstance(), 3.3e-14, 7.9e-13); + } + +}