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'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2014 Volker Bergmann ([email protected]).
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.databene.commons.math;
/**
* Simple non-thread-save implementation of a mutable double object.
*
* Created at 17.07.2009 06:13:53
* @since 0.5.0
* @author Volker Bergmann
*/
public class MutableDouble {
public double value;
public MutableDouble(double value) {
super();
this.value = value;
}
@Override
public int hashCode() {
long temp = Double.doubleToLongBits(value);
return (int) (temp ^ (temp >>> 32));
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null || getClass() != obj.getClass())
return false;
MutableDouble that = (MutableDouble) obj;
return (Double.doubleToLongBits(value) != Double.doubleToLongBits(that.value));
}
@Override
public String toString() {
return String.valueOf(value);
}
}