1 /*
2 * Licensed to the Apache Software Foundation (ASF) 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 ASF 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 * http://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 package org.apache.commons.math4.legacy.ode.nonstiff;
18
19 import org.apache.commons.math4.legacy.core.Field;
20 import org.apache.commons.math4.legacy.core.FieldElement;
21
22 /**
23 * The field of double precision floating-point numbers.
24 *
25 * @since 3.1
26 * @see Decimal64
27 */
28 public final class Decimal64Field implements Field<Decimal64> {
29
30 /** The unique instance of this class. */
31 private static final Decimal64Field INSTANCE = new Decimal64Field();
32
33 /** Default constructor. */
34 private Decimal64Field() {
35 // Do nothing
36 }
37
38 /**
39 * Returns the unique instance of this class.
40 *
41 * @return the unique instance of this class
42 */
43 public static Decimal64Field getInstance() {
44 return INSTANCE;
45 }
46
47 /** {@inheritDoc} */
48 @Override
49 public Decimal64 getZero() {
50 return Decimal64.ZERO;
51 }
52
53 /** {@inheritDoc} */
54 @Override
55 public Decimal64 getOne() {
56 return Decimal64.ONE;
57 }
58
59 /** {@inheritDoc} */
60 @Override
61 public Class<? extends FieldElement<Decimal64>> getRuntimeClass() {
62 return Decimal64.class;
63 }
64 }