de.lmu.ifi.dbs.elki.utilities.pairs

Class DoubleDoublePair

java.lang.Object

de.lmu.ifi.dbs.elki.utilities.pairs.DoubleDoublePair

All Implemented Interfaces:

java.lang.Comparable<DoubleDoublePair>

public class DoubleDoublePair
extends java.lang.Object
implements java.lang.Comparable<DoubleDoublePair>

Pair storing two doubles.

Since:

0.2

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.Comparator<DoubleDoublePair>	BYFIRST_COMPARATOR Comparator to compare by second component only
static java.util.Comparator<DoubleDoublePair>	BYSECOND_COMPARATOR Comparator to compare by second component only
double	first first value
double	second second value
static java.util.Comparator<DoubleDoublePair>	SWAPPED_COMPARATOR Comparator to compare by swapped components

Constructor Summary

Constructors

Constructor and Description
DoubleDoublePair(double first, double second) Constructor
DoubleDoublePair(DoubleDoublePair other) Clone constructor.

Method Summary

Modifier and Type	Method and Description
int	compareSwappedTo(DoubleDoublePair other) Implementation of comparableSwapped interface, sorting by second then first.
int	compareTo(DoubleDoublePair other) Implementation of comparable interface, sorting by first then second.
boolean	equals(java.lang.Object obj) Trivial equals implementation
int	hashCode() Trivial hashCode implementation mixing the two integers.
void	setFirst(double first) Set first value
void	setSecond(double second) Set second value
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

first

public double first

first value

second

public double second

second value

BYFIRST_COMPARATOR

public static final java.util.Comparator<DoubleDoublePair> BYFIRST_COMPARATOR

Comparator to compare by second component only

BYSECOND_COMPARATOR

public static final java.util.Comparator<DoubleDoublePair> BYSECOND_COMPARATOR

Comparator to compare by second component only

SWAPPED_COMPARATOR

public static final java.util.Comparator<DoubleDoublePair> SWAPPED_COMPARATOR

Comparator to compare by swapped components

Constructor Detail

DoubleDoublePair

public DoubleDoublePair(double first,
                        double second)

Constructor

Parameters:

first - First value

second - Second value

DoubleDoublePair

public DoubleDoublePair(DoubleDoublePair other)

Clone constructor.

Parameters:

other - Existing pair.

Method Detail

equals

public boolean equals(java.lang.Object obj)

Trivial equals implementation

Overrides:

equals in class java.lang.Object

Parameters:

obj - Object to compare to

hashCode

public final int hashCode()

Trivial hashCode implementation mixing the two integers.

Overrides:

hashCode in class java.lang.Object

compareTo

public int compareTo(DoubleDoublePair other)

Implementation of comparable interface, sorting by first then second.

Specified by:

compareTo in interface java.lang.Comparable<DoubleDoublePair>

Parameters:

other - Object to compare to

Returns:

comparison result

compareSwappedTo

public int compareSwappedTo(DoubleDoublePair other)

Implementation of comparableSwapped interface, sorting by second then first.

Parameters:

other - Object to compare to

Returns:

comparison result

setFirst

public final void setFirst(double first)

Set first value

Parameters:

first - new value

setSecond

public final void setSecond(double second)

Set second value

Parameters:

second - new value

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object