de.lmu.ifi.dbs.elki.math.geometry

Class PrimsMinimumSpanningTree.Array2DAdapter

java.lang.Object

de.lmu.ifi.dbs.elki.math.geometry.PrimsMinimumSpanningTree.Array2DAdapter

All Implemented Interfaces:

PrimsMinimumSpanningTree.Adapter<double[][]>

Enclosing class:

PrimsMinimumSpanningTree

public static class PrimsMinimumSpanningTree.Array2DAdapter
extends Object
implements PrimsMinimumSpanningTree.Adapter<double[][]>

Adapter for a simple 2d double matrix.

Author:

Erich Schubert

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Array2DAdapter() Constructor.

Method Summary

Modifier and Type	Method and Description
double	distance(double[][] data, int i, int j) Get the distance of two objects
int	size(double[][] data) Get number of objects in dataset

Methods inherited from class java.lang.Object

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

Constructor Detail

Array2DAdapter

private Array2DAdapter()

Constructor. Use static instance!

Method Detail

distance

public double distance(double[][] data,
                       int i,
                       int j)

Description copied from interface: PrimsMinimumSpanningTree.Adapter

Get the distance of two objects

Specified by:

distance in interface PrimsMinimumSpanningTree.Adapter<double[][]>

Parameters:

data - Data set

i - First index

j - Second index

Returns:

Distance of objects number i and number j.

size

public int size(double[][] data)

Description copied from interface: PrimsMinimumSpanningTree.Adapter

Get number of objects in dataset

Specified by:

size in interface PrimsMinimumSpanningTree.Adapter<double[][]>

Returns:

Size