001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.commons.math3.util;
018
019 import org.apache.commons.math3.Field;
020 import org.apache.commons.math3.FieldElement;
021
022 /**
023 * The field of double precision floating-point numbers.
024 *
025 * @since 3.1
026 * @version $Id: Decimal64Field.java 1306177 2012-03-28 05:40:46Z celestin $
027 * @see Decimal64
028 */
029 public class Decimal64Field implements Field<Decimal64> {
030
031 /** The unique instance of this class. */
032 private static final Decimal64Field INSTANCE = new Decimal64Field();
033
034 /** Default constructor. */
035 private Decimal64Field() {
036 // Do nothing
037 }
038
039 /**
040 * Returns the unique instance of this class.
041 *
042 * @return the unique instance of this class
043 */
044 public static final Decimal64Field getInstance() {
045 return INSTANCE;
046 }
047
048 /** {@inheritDoc} */
049 public Decimal64 getZero() {
050 return Decimal64.ZERO;
051 }
052
053 /** {@inheritDoc} */
054 public Decimal64 getOne() {
055 return Decimal64.ONE;
056 }
057
058 /** {@inheritDoc} */
059 public Class<? extends FieldElement<Decimal64>> getRuntimeClass() {
060 return Decimal64.class;
061 }
062 }