moa.core

Class DoubleVector

java.lang.Object

moa.AbstractMOAObject

moa.core.DoubleVector

All Implemented Interfaces:

Serializable, MOAObject

public class DoubleVector
extends AbstractMOAObject

Vector of double numbers with some utilities.

Version:

$Revision: 7 $

Author:

Richard Kirkby (rkirkby@cs.waikato.ac.nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected double[]	array

Constructor Summary

Constructors

Constructor and Description
DoubleVector()
DoubleVector(double[] toCopy)
DoubleVector(DoubleVector toCopy)

Method Summary

Methods

Modifier and Type	Method and Description
void	addToValue(int i, double v)
void	addToValues(double toAdd)
void	addValues(double[] toAdd)
void	addValues(DoubleVector toAdd)
double[]	getArrayCopy()
double[]	getArrayRef()
void	getDescription(StringBuilder sb, int indent) Returns a string representation of this object.
void	getSingleLineDescription(StringBuilder out)
void	getSingleLineDescription(StringBuilder out, int numValues)
double	getValue(int i)
int	maxIndex()
double	minWeight()
void	normalize()
int	numNonZeroEntries()
int	numValues()
void	scaleValues(double multiplier)
protected void	setArrayLength(int l)
void	setValue(int i, double v)
void	subtractValues(double[] toSubtract)
void	subtractValues(DoubleVector toSubtract)
double	sumOfValues()

Methods inherited from class moa.AbstractMOAObject

copy, copy, measureByteSize, measureByteSize, toString

Methods inherited from class java.lang.Object

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

Field Detail

array

protected double[] array

Constructor Detail

DoubleVector

public DoubleVector()

DoubleVector

public DoubleVector(double[] toCopy)

DoubleVector

public DoubleVector(DoubleVector toCopy)

Method Detail

numValues

public int numValues()

setValue

public void setValue(int i,
            double v)

addToValue

public void addToValue(int i,
              double v)

addValues

public void addValues(DoubleVector toAdd)

addValues

public void addValues(double[] toAdd)

subtractValues

public void subtractValues(DoubleVector toSubtract)

subtractValues

public void subtractValues(double[] toSubtract)

addToValues

public void addToValues(double toAdd)

scaleValues

public void scaleValues(double multiplier)

getValue

public double getValue(int i)

sumOfValues

public double sumOfValues()

maxIndex

public int maxIndex()

normalize

public void normalize()

numNonZeroEntries

public int numNonZeroEntries()

minWeight

public double minWeight()

getArrayCopy

public double[] getArrayCopy()

getArrayRef

public double[] getArrayRef()

setArrayLength

protected void setArrayLength(int l)

getSingleLineDescription

public void getSingleLineDescription(StringBuilder out)

getSingleLineDescription

public void getSingleLineDescription(StringBuilder out,
                            int numValues)

getDescription

public void getDescription(StringBuilder sb,
                  int indent)

Description copied from interface: MOAObject

Returns a string representation of this object. Used in AbstractMOAObject.toString to give a string representation of the object.

Parameters:

sb - the stringbuilder to add the description

indent - the number of characters to indent