Class DoubleDenseNdArray

java.lang.Object

org.tensorflow.ndarray.impl.dense.AbstractDenseNdArray<Double, DoubleNdArray>

org.tensorflow.ndarray.impl.dense.DoubleDenseNdArray

All Implemented Interfaces:

DoubleNdArray, NdArray<Double>, Shaped

public class DoubleDenseNdArray
extends AbstractDenseNdArray<Double, DoubleNdArray>
implements DoubleNdArray

Field Summary

Fields

Modifier and Type	Field	Description
protected final DimensionalSpace	dimensions

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DoubleDenseNdArray(DoubleDataBuffer buffer, Shape shape)

Method Summary

Modifier and Type	Method	Description
protected DoubleDataBuffer	buffer()
DoubleNdArray	copyFrom(DoubleDataBuffer src)
DoubleNdArray	copyTo(DoubleDataBuffer dst)
DoubleNdArray	copyTo(NdArray<Double> dst)	Copy the content of this array to the destination array.
static DoubleNdArray	create(DoubleDataBuffer buffer, Shape shape)
DimensionalSpace	dimensions()
double	getDouble(long... indices)	Returns the double value of the scalar found at the given coordinates.
NdArraySequence<DoubleNdArray>	scalars()	Returns a sequence of all scalars in this array.
DoubleNdArray	setDouble(double value, long... indices)	Assigns the double value of the scalar found at the given coordinates.
Shape	shape()
protected boolean	slowEquals(NdArray<?> array)
protected int	slowHashCode()

Methods inherited from class AbstractDenseNdArray

copyFrom, copyTo, elements, equals, get, getObject, hashCode, set, setObject, slice, slice, slowCopyTo, toString, withShape

Modifier and Type	Method	Description
DoubleNdArray	copyFrom(DataBuffer<Double> src)	Copy the content of the source buffer into this N-dimensional array.
DoubleNdArray	copyTo(DataBuffer<Double> dst)	Copy the content of this N-dimensional array into the destination buffer.
NdArraySequence<DoubleNdArray>	elements(int dimensionIdx)	Returns a sequence of all elements at a given dimension.
boolean	equals(Object obj)	Checks equality between n-dimensional arrays.
DoubleNdArray	get(long... coords)	Returns the N-dimensional element of this array at the given coordinates.
Double	getObject(long... coords)	Returns the value of the scalar found at the given coordinates.
int	hashCode()
DoubleNdArray	set(NdArray<Double> src, long... coordinates)	Assigns the value of the N-dimensional element found at the given coordinates.
DoubleNdArray	setObject(Double value, long... coords)	Assigns the value of the scalar found at the given coordinates.
DoubleNdArray	slice(long position, DimensionalSpace sliceDimensions)
DoubleNdArray	slice(Index... indices)	Creates a multi-dimensional view (or slice) of this array by mapping one or more dimensions to the given index selectors.
protected void	slowCopyTo(NdArray<Double> array)
String	toString()	A String showing the type and shape of this dense ndarray.
DoubleNdArray	withShape(Shape shape)	Returns a new N-dimensional view of this array with the given shape.

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface DoubleNdArray

copyFrom, copyTo, elements, get, getObject, scalars, set, setObject, slice, streamOfDoubles, withShape

Modifier and Type	Method	Description
DoubleNdArray	copyFrom(DataBuffer<Double> src)	Copy the content of the source buffer into this N-dimensional array.
DoubleNdArray	copyTo(DataBuffer<Double> dst)	Copy the content of this N-dimensional array into the destination buffer.
NdArraySequence<DoubleNdArray>	elements(int dimensionIdx)	Returns a sequence of all elements at a given dimension.
DoubleNdArray	get(long... coordinates)	Returns the N-dimensional element of this array at the given coordinates.
default Double	getObject(long... coordinates)	Returns the value of the scalar found at the given coordinates.
NdArraySequence<DoubleNdArray>	scalars()	Returns a sequence of all scalars in this array.
DoubleNdArray	set(NdArray<Double> src, long... coordinates)	Assigns the value of the N-dimensional element found at the given coordinates.
default DoubleNdArray	setObject(Double value, long... coordinates)	Assigns the value of the scalar found at the given coordinates.
DoubleNdArray	slice(Index... indices)	Creates a multi-dimensional view (or slice) of this array by mapping one or more dimensions to the given index selectors.
default DoubleStream	streamOfDoubles()	Retrieve all scalar values of this array as a stream of doubles.
DoubleNdArray	withShape(Shape shape)	Returns a new N-dimensional view of this array with the given shape.

Methods inherited from interface NdArray

streamOfObjects

Modifier and Type	Method	Description
default Stream<Double>	streamOfObjects()	Retrieve all scalar values of this array as a stream of objects.

Methods inherited from interface Shaped

rank, size

Modifier and Type	Method	Description
default int	rank()
default long	size()	Computes and returns the total size of this container, in number of values.

Field Details

dimensions

protected final DimensionalSpace dimensions

Constructor Details

DoubleDenseNdArray

protected DoubleDenseNdArray(DoubleDataBuffer buffer,
 Shape shape)

Method Details

create

public static DoubleNdArray create(DoubleDataBuffer buffer,
 Shape shape)

getDouble

public double getDouble(long... indices)

Description copied from interface: DoubleNdArray

Returns the double value of the scalar found at the given coordinates.

To access the scalar element, the number of coordinates provided must be equal to the number of dimensions of this array (i.e. its rank). For example:

DoubleNdArray matrix = NdArrays.ofDoubles(shape(2, 2));  // matrix rank = 2
matrix.getDouble(0, 1);  // succeeds, returns 0.0
matrix.getDouble(0);  // throws IllegalRankException

DoubleNdArray scalar = matrix.get(0, 1);  // scalar rank = 0
scalar.getDouble();  // succeeds, returns 0.0

Specified by:

getDouble in interface DoubleNdArray

Parameters:

indices - coordinates of the scalar to resolve

Returns:

value of that scalar

setDouble

public DoubleNdArray setDouble(double value,
 long... indices)

Description copied from interface: DoubleNdArray

Assigns the double value of the scalar found at the given coordinates.

To access the scalar element, the number of coordinates provided must be equal to the number of dimensions of this array (i.e. its rank). For example:

DoubleNdArray matrix = NdArrays.ofDoubles(shape(2, 2));  // matrix rank = 2
matrix.setDouble(10.0, 0, 1);  // succeeds
matrix.setDouble(10.0, 0);  // throws IllegalRankException

DoubleNdArray scalar = matrix.get(0, 1);  // scalar rank = 0
scalar.setDouble(10.0);  // succeeds

Specified by:

setDouble in interface DoubleNdArray

Parameters:

value - value to assign

indices - coordinates of the scalar to assign

Returns:

this array

copyTo

public DoubleNdArray copyTo(NdArray<Double> dst)

Description copied from interface: NdArray

Copy the content of this array to the destination array.

The Shaped.shape() of the destination array must be equal to the shape of this array, or an exception is thrown. After the copy, the content of both arrays can be altered independently, without affecting each other.

Specified by:

copyTo in interface DoubleNdArray

Specified by:

copyTo in interface NdArray<Double>

Parameters:

dst - array to receive a copy of the content of this array

Returns:

this array

copyTo

public DoubleNdArray copyTo(DoubleDataBuffer dst)

Specified by:

copyTo in interface DoubleNdArray

copyFrom

public DoubleNdArray copyFrom(DoubleDataBuffer src)

Specified by:

copyFrom in interface DoubleNdArray

buffer

protected DoubleDataBuffer buffer()

Specified by:

buffer in class AbstractDenseNdArray<Double, DoubleNdArray>

dimensions

public DimensionalSpace dimensions()

shape

public Shape shape()

Specified by:

shape in interface Shaped

Returns:

the shape of this container

scalars

public NdArraySequence<DoubleNdArray> scalars()

Description copied from interface: NdArray

Returns a sequence of all scalars in this array.

This is equivalent to call elements(shape().numDimensions() - 1)

Specified by:

scalars in interface NdArray<T>

Returns:

an NdArray sequence

slowHashCode

protected int slowHashCode()

slowEquals

protected boolean slowEquals(NdArray<?> array)