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.jupiter.api.Test;
23
24 import static org.junit.jupiter.api.Assertions.assertEquals;
25
26 /**
27 * Test for class {@link FieldGradient} on {@link Binary64}.
28 */
29 class FieldGradientBinary64Test extends FieldGradientAbstractTest<Binary64> {
30
31 @Override
32 protected Binary64Field getValueField() {
33 return Binary64Field.getInstance();
34 }
35
36 @Test
37 public void testHashcode() {
38 assertEquals(15728304, build(2, 1).hashCode());
39 }
40
41 @Override
42 @Test
43 public void testLinearCombinationReference() {
44 doTestLinearCombinationReference(x -> build(x), 5.0e-16, 1.0);
45 }
46 }