Module tornado.api

Package uk.ac.manchester.tornado.api.types.collections

Class VectorDouble

java.lang.Object

uk.ac.manchester.tornado.api.types.collections.VectorDouble

All Implemented Interfaces:

Serializable, TornadoCollectionInterface<DoubleBuffer>, PrimitiveStorage<DoubleBuffer>

public final class VectorDouble
extends Object
implements TornadoCollectionInterface<DoubleBuffer>

VectorDouble relies on preview features of the Java platform:

• VectorDouble refers to one or more preview APIs: MemorySegment.

Programs can only use VectorDouble when preview features are enabled.

Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
VectorDouble(int numElements)	Creates an empty vector with.
VectorDouble(int numElements, DoubleArray array)
VectorDouble(DoubleArray storage)	Creates an new vector from the provided storage.

Method Summary

Modifier and Type	Method	Description
DoubleBuffer	asBuffer()
void	clear()
static double	dot(VectorDouble a, VectorDouble b)	Perform dot product.
VectorDouble	duplicate()	Duplicates this vector.
void	fill(double value)	Sets all elements to value.
double	get(int index)	Returns the double at the given index of this vector.
DoubleArray	getArray()
int	getLength()
long	getNumBytes()
long	getNumBytesWithHeader()
MemorySegmentPREVIEW	getSegment()
MemorySegmentPREVIEW	getSegmentWithHeader()
boolean	isEqual(VectorDouble vector)	Vector equality test.
void	loadFromBuffer(DoubleBuffer buffer)
static double	max(VectorDouble v)
static double	min(VectorDouble v)
void	set(double[] values)	Sets the elements of this vector to that of the provided array.
void	set(int index, double value)	Sets the double at the given index of this vector.
void	set(VectorDouble values)	Sets the elements of this vector to that of the provided vector.
int	size()
VectorDouble	subVector(int start, int length)	Returns slice of this vector.
String	toString()
String	toString(String fmt)	Prints the vector using the specified format string.

Methods inherited from class java.lang.Object

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

Constructor Details

VectorDouble

public VectorDouble(int numElements,
 DoubleArray array)

VectorDouble

public VectorDouble(int numElements)

Creates an empty vector with.

Parameters:

numElements - Number of elements

VectorDouble

public VectorDouble(DoubleArray storage)

Creates an new vector from the provided storage.

Parameters:

storage - vector to be stored

Method Details

min

public static double min(VectorDouble v)

max

public static double max(VectorDouble v)

dot

public static double dot(VectorDouble a,
 VectorDouble b)

Perform dot product.

Returns:

dot-product value

getArray

public DoubleArray getArray()

get

public double get(int index)

Returns the double at the given index of this vector.

Parameters:

index - Position

Returns:

value

set

public void set(int index,
 double value)

Sets the double at the given index of this vector.

Parameters:

index - Position

value - value to be stored

set

public void set(VectorDouble values)

Sets the elements of this vector to that of the provided vector.

Parameters:

values -

set

public void set(double[] values)

Sets the elements of this vector to that of the provided array.

Parameters:

values - input vector to be stored

fill

public void fill(double value)

Sets all elements to value.

Parameters:

value - input vector to be stored

subVector

public VectorDouble subVector(int start,
 int length)

Returns slice of this vector.

Parameters:

start - starting index

length - number of elements

Returns:

vector with elements updated

duplicate

public VectorDouble duplicate()

Duplicates this vector.

isEqual

public boolean isEqual(VectorDouble vector)

Vector equality test.

Parameters:

vector - input Vector

Returns:

true if vectors match

toString

public String toString(String fmt)

Prints the vector using the specified format string.

Parameters:

fmt - String Format

Returns:

String

toString

public String toString()

Overrides:

toString in class Object

loadFromBuffer

public void loadFromBuffer(DoubleBuffer buffer)

Specified by:

loadFromBuffer in interface PrimitiveStorage<DoubleBuffer>

asBuffer

public DoubleBuffer asBuffer()

Specified by:

asBuffer in interface PrimitiveStorage<DoubleBuffer>

size

public int size()

Specified by:

size in interface PrimitiveStorage<DoubleBuffer>

getLength

public int getLength()

clear

public void clear()

getNumBytes

public long getNumBytes()

Specified by:

getNumBytes in interface TornadoCollectionInterface<DoubleBuffer>

getNumBytesWithHeader

public long getNumBytesWithHeader()

Specified by:

getNumBytesWithHeader in interface TornadoCollectionInterface<DoubleBuffer>

getSegment

public MemorySegmentPREVIEW getSegment()

Specified by:

getSegment in interface TornadoCollectionInterface<DoubleBuffer>

getSegmentWithHeader

public MemorySegmentPREVIEW getSegmentWithHeader()

Specified by:

getSegmentWithHeader in interface TornadoCollectionInterface<DoubleBuffer>