1 /*
2 * Licensed to the Hipparchus project under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The Hipparchus project licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.hipparchus.analysis.differentiation;
19
20 import org.hipparchus.util.Binary64;
21 import org.hipparchus.util.Binary64Field;
22 import org.junit.Assert;
23 import org.junit.Test;
24
25 /**
26 * Test for class {@link FieldGradient} on {@link Binary64}.
27 */
28 public class FieldGradientBinary64Test extends FieldGradientAbstractTest<Binary64> {
29
30 @Override
31 protected Binary64Field getValueField() {
32 return Binary64Field.getInstance();
33 }
34
35 @Test
36 public void testHashcode() {
37 Assert.assertEquals(15728304, build(2, 1).hashCode());
38 }
39
40 @Override
41 @Test
42 public void testLinearCombinationReference() {
43 doTestLinearCombinationReference(x -> build(x), 5.0e-16, 1.0);
44 }
45 }