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 }