Package org.djutils.float128

Class DoubleDouble

java.lang.Object

java.lang.Number

org.djutils.float128.DoubleDouble

All Implemented Interfaces:

Serializable, Comparable<DoubleDouble>

public class DoubleDouble
extends Number
implements Serializable, Comparable<DoubleDouble>

DoubleDouble stores a value as two double values, with a hi double value and a lo double value. The lo double value has a value of around 1.0E13 lower magnitude than the hi double value. The value that is represented by the DoubleDouble has the value hi+lo. DoubleDouble is immutable.

Copyright (c) 2020-2020 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See for project information https://djutils.org. The DJUTILS project is distributed under a three-clause BSD-style license, which can be found at https://djutils.org/docs/license.html.

Author:

Alexander Verbraeck, Peter Knoppers

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
DoubleDouble(double value)	Construct a new DoubleDouble value using one double, where the lo part of the DoubleDouble will be 0.
DoubleDouble(double hi, double lo)	Construct a new DoubleDouble value consisting of a high (most significant) part and a low (least significant) part.

Method Summary

Modifier and Type	Method	Description
int	compareTo(DoubleDouble o)
double	doubleValue()
float	floatValue()
int	intValue()
long	longValue()
static DoubleDouble	valueOf(String s)	Construct a DoubleDouble from a String value.

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DoubleDouble

public DoubleDouble(double hi,
                    double lo)

Construct a new DoubleDouble value consisting of a high (most significant) part and a low (least significant) part.

Parameters:

hi - double; the high part of the DoubleDouble value

lo - double; the low part of the DoubleDouble value

DoubleDouble

public DoubleDouble(double value)

Construct a new DoubleDouble value using one double, where the lo part of the DoubleDouble will be 0.

Parameters:

value - double; the high part of the DoubleDouble value

Method Detail

valueOf

public static DoubleDouble valueOf(String s)

Construct a DoubleDouble from a String value.

Parameters:

s - String; the String value to be parsed

Returns:

a DoubleDouble value representing s with as many correct digits as possible

compareTo

public int compareTo(DoubleDouble o)

Specified by:

compareTo in interface Comparable<DoubleDouble>

intValue

public int intValue()

Specified by:

intValue in class Number

longValue

public long longValue()

Specified by:

longValue in class Number

floatValue

public float floatValue()

Specified by:

floatValue in class Number

doubleValue

public double doubleValue()

Specified by:

doubleValue in class Number