public abstract class AbstractVector extends Object implements Vector
Vector
interface to minimize the effort required to implement it.
Subclasses may override some of the implemented methods if a more
specific or optimized implementation is desirable.Vector.Element
Constructor and Description |
---|
AbstractVector() |
AbstractVector(boolean readOnly,
VectorStorage sto) |
AbstractVector(VectorStorage sto) |
Modifier and Type | Method and Description |
---|---|
Iterable<Vector.Element> |
all()
Gets iterator over all elements in this vector.
|
Spliterator<Double> |
allSpliterator()
Gets spliterator for all values in this vector.
|
Vector |
assign(double val)
Assigns given value to all elements of this vector.
|
Vector |
assign(double[] vals)
Assigns values from given array to this vector.
|
Vector |
assign(IntToDoubleFunction fun)
Assigns each vector element to the value generated by given function.
|
Vector |
assign(Vector vec)
Copies values from the argument vector to this one.
|
protected void |
checkCardinality(double[] vec) |
protected void |
checkCardinality(int[] arr) |
protected void |
checkCardinality(Vector vec) |
protected void |
checkIndex(int idx)
Check index bounds.
|
void |
compute(int idx,
IgniteIntDoubleToDoubleBiFunction f)
Replace vector entry with value oldVal at i with result of computing f(i, oldVal).
|
Vector |
copy()
Creates new copy of this vector.
|
Vector |
copyOfRange(int from,
int to)
Copies the specified range of the vector into a new vector.
|
Matrix |
cross(Vector vec)
Gets the cross product of this vector and the other vector.
|
void |
destroy()
Destroys object if managed outside of JVM.
|
Vector |
divide(double x)
Creates new vector containing values from this vector divided by the argument.
|
double |
dot(Vector vec)
Gets dot product of two vectors.
|
protected double |
dotSelf() |
boolean |
equals(Object obj) |
<T> T |
foldMap(IgniteBiFunction<T,Double,T> foldFun,
IgniteDoubleFunction<Double> mapFun,
T zeroVal)
Folds this vector into a single value.
|
<T> T |
foldMap(Vector vec,
IgniteBiFunction<T,Double,T> foldFun,
IgniteBiFunction<Double,Double,Double> combFun,
T zeroVal)
Combines & maps two vector and folds them into a single value.
|
double |
get(int idx)
Gets the value at specified index.
|
double |
getDistanceSquared(Vector vec)
Get the square of the distance between this vector and the argument vector.
|
Vector.Element |
getElement(int idx)
Gets element at the given index.
|
double |
getLengthSquared()
Gets the sum of squares of all elements in this vector.
|
Map<String,Object> |
getMetaStorage()
Implementation should return an instance of the map to store meta attributes.
|
<T extends Serializable> |
getRaw(int idx)
Gets the value at specified index.
|
<T extends Serializable> |
getRawX(int idx)
Gets the value at specified index without checking for index boundaries.
|
VectorStorage |
getStorage()
Gets vector storage model.
|
double |
getX(int idx)
Gets the value at specified index without checking for index boundaries.
|
IgniteUuid |
guid()
Auto-generated globally unique vector ID.
|
int |
hashCode() |
Vector |
increment(int idx,
double val)
Increments value at given index.
|
Vector |
incrementX(int idx,
double val)
Increments value at given index without checking for index boundaries.
|
boolean |
isArrayBased()
Checks if implementation is based on Java arrays.
|
boolean |
isDense()
Checks if this implementation should be considered dense so that it explicitly
represents every value.
|
boolean |
isDistributed()
Checks whether implementation is JVM-local or distributed (multi-JVM).
|
boolean |
isNumeric() |
protected boolean |
isZero(double val)
Tests if given value is considered a zero value.
|
double |
kNorm(double power)
Gets the k-norm of the vector.
|
Vector |
logNormalize()
Creates new vector containing the
log(1 + entry) / L_2 norm values of this vector. |
Vector |
logNormalize(double power)
Creates new vector with a normalized value calculated as
log_power(1 + entry) / L_power norm . |
protected Vector.Element |
makeElement(int idx) |
Vector |
map(IgniteBiFunction<Double,Double,Double> fun,
double y)
Maps all elements of this vector by applying given function to each element with a constant
second parameter
y . |
Vector |
map(IgniteDoubleFunction<Double> fun)
Maps all values in this vector through a given function.
|
Vector |
map(Vector vec,
IgniteBiFunction<Double,Double,Double> fun)
Maps all values in this vector through a given function.
|
Vector.Element |
maxElement()
Gets maximum element in this vector.
|
double |
maxValue()
Gets maximum value in this vector.
|
Vector.Element |
minElement()
Gets minimal element in this vector.
|
Vector |
minus(Vector vec)
Creates new vector containing element by element difference between this vector and the argument one.
|
double |
minValue()
Gets minimal value in this vector.
|
int |
nonZeroElements()
Gets number of non-zero elements in this vector.
|
Iterable<Vector.Element> |
nonZeroes()
Iterates ove all non-zero elements in this vector.
|
Spliterator<Double> |
nonZeroSpliterator()
Gets spliterator for all non-zero values in this vector.
|
Vector |
normalize()
Creates new vector containing the normalized (L_2 norm) values of this vector.
|
Vector |
normalize(double power)
Creates new vector containing the normalized (L_power norm) values of this vector.
|
Vector |
plus(double x)
Creates new vector containing sum of each element in this vector and argument.
|
Vector |
plus(Vector vec)
Creates new vector containing element by element sum from both vectors.
|
void |
readExternal(ObjectInput in) |
Vector |
set(int idx,
double val)
Sets value.
|
Vector |
setRaw(int idx,
Serializable val)
Sets value.
|
Vector |
setRawX(int idx,
Serializable val)
Sets value without checking for index boundaries.
|
protected void |
setStorage(VectorStorage sto)
Set storage.
|
Vector |
setX(int idx,
double val)
Sets value without checking for index boundaries.
|
int |
size()
Gets cardinality of this vector (maximum number of the elements).
|
Vector |
sort()
Sorts this vector in ascending order.
|
protected double |
storageGet(int i) |
protected <T extends Serializable> |
storageGetRaw(int i)
Gets serializable value from storage and casts it to targe type T.
|
protected void |
storageSet(int i,
double v) |
protected void |
storageSetRaw(int i,
Serializable v)
Sets serializable value.
|
double |
sum()
Gets the sum of all elements in this vector.
|
Vector |
times(double x)
Gets a new vector that contains product of each element and the argument.
|
Vector |
times(Vector vec)
Gets a new vector that is an element-wie product of this vector and the argument.
|
Matrix |
toMatrix(boolean rowLike)
Converts this vector into [N x 1] or [1 x N] matrix where N is this vector cardinality.
|
Matrix |
toMatrixPlusOne(boolean rowLike,
double zeroVal)
Converts this vector into [N+1 x 1] or [1 x N+1] matrix where N is this vector cardinality
|
Vector |
viewPart(int off,
int len) |
void |
writeExternal(ObjectOutput out) |
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
asArray, labeled, like, likeMatrix
getAttribute, hasAttribute, removeAttribute, setAttribute
public AbstractVector(VectorStorage sto)
sto
- Storage.public AbstractVector(boolean readOnly, VectorStorage sto)
readOnly
- Is read only.sto
- Storage.public AbstractVector()
protected void setStorage(VectorStorage sto)
sto
- Storage.protected void storageSet(int i, double v)
i
- Index.v
- Value.protected void storageSetRaw(int i, Serializable v)
i
- Index.v
- Value.protected double storageGet(int i)
i
- Index.protected <T extends Serializable> T storageGetRaw(int i)
i
- Index.public int size()
protected void checkIndex(int idx)
idx
- Index to check.public double get(int idx)
public double getX(int idx)
public <T extends Serializable> T getRaw(int idx)
public <T extends Serializable> T getRawX(int idx)
public boolean isArrayBased()
isArrayBased
in interface StorageOpsMetrics
public Vector sort()
public Vector map(IgniteDoubleFunction<Double> fun)
public Vector map(Vector vec, IgniteBiFunction<Double,Double,Double> fun)
A
, argument vector B
and the
function F
this method maps every element x
as:
A(x) = F(A(x), B(x))
public Vector map(IgniteBiFunction<Double,Double,Double> fun, double y)
y
.protected Vector.Element makeElement(int idx)
idx
- Index.public Vector.Element minElement()
minElement
in interface Vector
public Vector.Element maxElement()
maxElement
in interface Vector
public double minValue()
public double maxValue()
public Vector set(int idx, double val)
public Vector setX(int idx, double val)
public Vector setRaw(int idx, Serializable val)
public Vector setRawX(int idx, Serializable val)
public Vector increment(int idx, double val)
public Vector incrementX(int idx, double val)
incrementX
in interface Vector
idx
- Vector index.val
- Increment value.protected boolean isZero(double val)
val
- Value to check.public double sum()
public IgniteUuid guid()
public Iterable<Vector.Element> all()
Vector.Element
instance so you need to copy it
if you want to retain it outside of iteration.public int nonZeroElements()
nonZeroElements
in interface Vector
public <T> T foldMap(IgniteBiFunction<T,Double,T> foldFun, IgniteDoubleFunction<Double> mapFun, T zeroVal)
foldMap
in interface Vector
T
- Type of the folded value.foldFun
- Folding function that takes two parameters: accumulator and the current value.mapFun
- Mapping function that is called on each vector element before its passed to the accumulator (as its
second parameter).zeroVal
- Zero value for fold operation.public <T> T foldMap(Vector vec, IgniteBiFunction<T,Double,T> foldFun, IgniteBiFunction<Double,Double,Double> combFun, T zeroVal)
public Iterable<Vector.Element> nonZeroes()
Vector.Element
instance so you need to copy it
if you want to retain it outside of iteration.public Map<String,Object> getMetaStorage()
getMetaStorage
in interface MetaAttributes
public Vector assign(double val)
public Vector assign(double[] vals)
public Vector assign(IntToDoubleFunction fun)
public Spliterator<Double> allSpliterator()
allSpliterator
in interface Vector
public Spliterator<Double> nonZeroSpliterator()
nonZeroSpliterator
in interface Vector
public double dot(Vector vec)
public double getLengthSquared()
getLengthSquared
in interface Vector
public boolean isDense()
isDense
in interface StorageOpsMetrics
public boolean isDistributed()
isDistributed
in interface StorageOpsMetrics
public boolean isNumeric()
isNumeric
in interface StorageOpsMetrics
public VectorStorage getStorage()
getStorage
in interface Vector
public Vector viewPart(int off, int len)
public Matrix toMatrix(boolean rowLike)
public Matrix toMatrixPlusOne(boolean rowLike, double zeroVal)
zeroVal
parameter.toMatrixPlusOne
in interface Vector
rowLike
- true
for rowLike [N+1 x 1], or false
for column [1 x N+1] matrix.public double getDistanceSquared(Vector vec)
getDistanceSquared
in interface Vector
vec
- Another vector.protected void checkCardinality(Vector vec)
vec
- Vector to check for valid cardinality.protected void checkCardinality(double[] vec)
vec
- Array to check for valid cardinality.protected void checkCardinality(int[] arr)
arr
- Array to check for valid cardinality.public Vector minus(Vector vec)
public Vector plus(double x)
public Vector divide(double x)
public Vector times(double x)
public Vector times(Vector vec)
public Vector plus(Vector vec)
public Vector logNormalize()
log(1 + entry) / L_2 norm
values of this vector.logNormalize
in interface Vector
public Vector logNormalize(double power)
log_power(1 + entry) / L_power norm
.logNormalize
in interface Vector
power
- The power to use. Must be > 1. Cannot be Double.POSITIVE_INFINITY
.public double kNorm(double power)
kNorm
in interface Vector
power
- The power to use.Vector.normalize(double)
public Vector normalize()
public Vector normalize(double power)
normalize
in interface Vector
power
- The power to use. Must be >= 0. May also be Double.POSITIVE_INFINITY
.x
such that norm(x, power) == 1
public Vector copy()
public Vector copyOfRange(int from, int to)
copyOfRange
in interface Vector
from
- the initial index of the range to be copied, inclusiveto
- the final index of the range to be copied, exclusive.
(This index may lie outside the array.)protected double dotSelf()
public Vector.Element getElement(int idx)
Vector.Element
instance so you need to copy it
if you want to retain it outside of iteration.getElement
in interface Vector
idx
- Element's index.public void writeExternal(ObjectOutput out) throws IOException
writeExternal
in interface Externalizable
IOException
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
readExternal
in interface Externalizable
IOException
ClassNotFoundException
public void destroy()
destroy
in interface Destroyable
public void compute(int idx, IgniteIntDoubleToDoubleBiFunction f)
GridGain In-Memory Computing Platform : ver. 8.9.14 Release Date : November 5 2024