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 */ 017package org.apache.commons.math3.util; 018 019import org.apache.commons.math3.Field; 020import org.apache.commons.math3.FieldElement; 021 022/** 023 * The field of double precision floating-point numbers. 024 * 025 * @since 3.1 026 * @see Decimal64 027 */ 028public class Decimal64Field implements Field<Decimal64> { 029 030 /** The unique instance of this class. */ 031 private static final Decimal64Field INSTANCE = new Decimal64Field(); 032 033 /** Default constructor. */ 034 private Decimal64Field() { 035 // Do nothing 036 } 037 038 /** 039 * Returns the unique instance of this class. 040 * 041 * @return the unique instance of this class 042 */ 043 public static final Decimal64Field getInstance() { 044 return INSTANCE; 045 } 046 047 /** {@inheritDoc} */ 048 public Decimal64 getZero() { 049 return Decimal64.ZERO; 050 } 051 052 /** {@inheritDoc} */ 053 public Decimal64 getOne() { 054 return Decimal64.ONE; 055 } 056 057 /** {@inheritDoc} */ 058 public Class<? extends FieldElement<Decimal64>> getRuntimeClass() { 059 return Decimal64.class; 060 } 061}