edu.umd.hooka.alignment

Class IndexedFloatArray

java.lang.Object

edu.umd.hooka.alignment.IndexedFloatArray

All Implemented Interfaces:

Cloneable, org.apache.hadoop.io.Writable

public final class IndexedFloatArray
extends Object
implements org.apache.hadoop.io.Writable, Cloneable

Field Summary

Fields

Modifier and Type	Field and Description
float[]	_data
int[]	_indices
boolean	_useBinSearch
static int	MIN_LENGTH_FOR_NONSPARSE_ARRAY Don't make arrays sparse unless they exceed this length.
static float	NO_BINSEARCH_THRESHOLD If the sparse array exceeds this threshold, make the array non-sparse.

Constructor Summary

Constructors

Constructor and Description
IndexedFloatArray()
IndexedFloatArray(float[] values, int size)
IndexedFloatArray(int n)
IndexedFloatArray(int[] indices)
IndexedFloatArray(int[] indices, float[] values)
IndexedFloatArray(int[] indices, float[] values, boolean isOptimize)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(int index, float delta)
void	addTo(float[] dest)
void	clear()
Object	clone()
void	copyFrom(IndexedFloatArray rhs)
void	copyTo(float[] dest, int destPos)
float	get(int n)
int	getAddr(int index)
float	getLazy(int n)
float	getProb(int loc)
int[]	getTranslations(float probThreshold)
PriorityQueue<tl.lin.data.pair.PairOfFloatInt>	getTranslationsWithProbs(float probThreshold)
List<tl.lin.data.pair.PairOfFloatInt>	getTranslationsWithProbsAsList(float probThreshold)
int	getWord(int loc)
float	innerProduct(IndexedFloatArray rhs)
int	maxKey()
void	minusEquals(IndexedFloatArray rhs)
void	normalize_variationalBayes(float alpha)
void	normalize()
void	normalize(float alpha)
void	optimizeSpeed() If sparse array meets the load criteria, optimize it so that it no longer uses a bin search.
void	plusEquals(IndexedFloatArray rhs)
void	plusEqualsMismatchSize(IndexedFloatArray rhs)
void	readFields(DataInput in)
void	set(int index, float value)
int	size()
void	timesEquals(float rhs)
String	toString()
String	toString(boolean brackets)
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

NO_BINSEARCH_THRESHOLD

public static final float NO_BINSEARCH_THRESHOLD

If the sparse array exceeds this threshold, make the array non-sparse.

See Also:

Constant Field Values

MIN_LENGTH_FOR_NONSPARSE_ARRAY

public static final int MIN_LENGTH_FOR_NONSPARSE_ARRAY

Don't make arrays sparse unless they exceed this length.

See Also:

Constant Field Values

_data

public float[] _data

_indices

public int[] _indices

_useBinSearch

public boolean _useBinSearch

Constructor Detail

IndexedFloatArray

public IndexedFloatArray()

IndexedFloatArray

public IndexedFloatArray(int[] indices,
                 float[] values)

IndexedFloatArray

public IndexedFloatArray(int[] indices,
                 float[] values,
                 boolean isOptimize)

IndexedFloatArray

public IndexedFloatArray(float[] values,
                 int size)

IndexedFloatArray

public IndexedFloatArray(int[] indices)

IndexedFloatArray

public IndexedFloatArray(int n)

Method Detail

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

clone

public Object clone()

Overrides:

clone in class Object

maxKey

public int maxKey()

optimizeSpeed

public void optimizeSpeed()

If sparse array meets the load criteria, optimize it so that it no longer uses a bin search.

copyTo

public void copyTo(float[] dest,
          int destPos)

copyFrom

public void copyFrom(IndexedFloatArray rhs)

addTo

public void addTo(float[] dest)

size

public int size()

getWord

public int getWord(int loc)

getProb

public float getProb(int loc)

get

public final float get(int n)

getLazy

public final float getLazy(int n)

getTranslations

public int[] getTranslations(float probThreshold)

getTranslationsWithProbs

public PriorityQueue<tl.lin.data.pair.PairOfFloatInt> getTranslationsWithProbs(float probThreshold)

getTranslationsWithProbsAsList

public List<tl.lin.data.pair.PairOfFloatInt> getTranslationsWithProbsAsList(float probThreshold)

set

public final void set(int index,
       float value)

add

public final void add(int index,
       float delta)

getAddr

public int getAddr(int index)

Parameters:

index - the index of the searched term

Returns:

the location of the term in the array

clear

public void clear()

plusEqualsMismatchSize

public void plusEqualsMismatchSize(IndexedFloatArray rhs)

plusEquals

public void plusEquals(IndexedFloatArray rhs)

minusEquals

public void minusEquals(IndexedFloatArray rhs)

timesEquals

public void timesEquals(float rhs)

normalize

public void normalize()

normalize

public void normalize(float alpha)

normalize_variationalBayes

public void normalize_variationalBayes(float alpha)

innerProduct

public float innerProduct(IndexedFloatArray rhs)

toString

public String toString(boolean brackets)

toString

public String toString()

Overrides:

toString in class Object