org.openimaj.util.pair

Class DoubleDoublePair

java.lang.Object

org.openimaj.util.pair.DoubleDoublePair

public class DoubleDoublePair
extends Object

A pair of double and double types

Author:

Jonathon Hare (jsh2@ecs.soton.ac.uk)

Field Summary

Fields

Modifier and Type	Field and Description
double	first The first element of the pair
static Comparator<DoubleDoublePair>	FIRST_ITEM_ASCENDING_COMPARATOR Comparator for comparing the first element of a DoubleDoublePair in ascending order.
static Comparator<DoubleDoublePair>	FIRST_ITEM_DESCENDING_COMPARATOR Comparator for comparing the first element of a DoubleDoublePair in descending order.
double	second The first element of the pair
static Comparator<DoubleDoublePair>	SECOND_ITEM_ASCENDING_COMPARATOR Comparator for comparing the second element of a DoubleDoublePair in ascending order.
static Comparator<DoubleDoublePair>	SECOND_ITEM_DESCENDING_COMPARATOR Comparator for comparing the second element of a DoubleDoublePair in descending order.

Constructor Summary

Constructors

Constructor and Description
DoubleDoublePair() Construct empty pair
DoubleDoublePair(double f, double s) Construct pair with given values

Method Summary

Modifier and Type	Method and Description
double	getFirst() Get the value of the first element
static gnu.trove.list.array.TDoubleArrayList	getFirst(Iterable<DoubleDoublePair> data) Extract the first values from a list of pairs.
double	getSecond() Get the value of the second element
static gnu.trove.list.array.TDoubleArrayList	getSecond(Iterable<DoubleDoublePair> data) Extract the second values from a list of pairs.
static DoubleDoublePair	pair(double a, double b) Create a pair from the given values.
void	setFirst(double first) Set the value of the first element
void	setSecond(double second) Set the value of the second element
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

FIRST_ITEM_ASCENDING_COMPARATOR

public static final Comparator<DoubleDoublePair> FIRST_ITEM_ASCENDING_COMPARATOR

Comparator for comparing the first element of a DoubleDoublePair in ascending order.

FIRST_ITEM_DESCENDING_COMPARATOR

public static final Comparator<DoubleDoublePair> FIRST_ITEM_DESCENDING_COMPARATOR

Comparator for comparing the first element of a DoubleDoublePair in descending order.

SECOND_ITEM_ASCENDING_COMPARATOR

public static final Comparator<DoubleDoublePair> SECOND_ITEM_ASCENDING_COMPARATOR

Comparator for comparing the second element of a DoubleDoublePair in ascending order.

SECOND_ITEM_DESCENDING_COMPARATOR

public static final Comparator<DoubleDoublePair> SECOND_ITEM_DESCENDING_COMPARATOR

Comparator for comparing the second element of a DoubleDoublePair in descending order.

first

public double first

The first element of the pair

second

public double second

The first element of the pair

Constructor Detail

DoubleDoublePair

public DoubleDoublePair(double f,
                        double s)

Construct pair with given values

Parameters:

f - first value

s - second value

DoubleDoublePair

public DoubleDoublePair()

Construct empty pair

Method Detail

getFirst

public double getFirst()

Get the value of the first element

Returns:

the first value

setFirst

public void setFirst(double first)

Set the value of the first element

Parameters:

first - the value to set

getSecond

public double getSecond()

Get the value of the second element

Returns:

the second

setSecond

public void setSecond(double second)

Set the value of the second element

Parameters:

second - the value to set

pair

public static DoubleDoublePair pair(double a,
                                    double b)

Create a pair from the given values.

Parameters:

a - The first object.

b - The second object.

Returns:

The pair.

getSecond

public static gnu.trove.list.array.TDoubleArrayList getSecond(Iterable<DoubleDoublePair> data)

Extract the second values from a list of pairs.

Parameters:

data - the data

Returns:

extracted second values

getFirst

public static gnu.trove.list.array.TDoubleArrayList getFirst(Iterable<DoubleDoublePair> data)

Extract the first values from a list of pairs.

Parameters:

data - the data

Returns:

extracted first values

toString

public String toString()

Overrides:

toString in class Object