mikera.vectorz.impl

Class ArraySubVector

java.lang.Object

mikera.arrayz.impl.AbstractArray<Double>

mikera.vectorz.AVector

mikera.vectorz.impl.AStridedVector

mikera.vectorz.impl.AArrayVector

mikera.vectorz.impl.ArraySubVector

All Implemented Interfaces:

Serializable, Cloneable, Comparable<AVector>, Iterable<Double>, IStridedArray, INDArray, IVector

public final class ArraySubVector
extends AArrayVector

Vector referring to an offset into a double[] array

Author:

Mike

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ArraySubVector(AArrayVector source, int offset, int length) Constructs a vector directly referencing a sub-vector of an existing array-based Vector
ArraySubVector(ArraySubVector source)
ArraySubVector(int length)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(AArrayVector v)
void	addAt(int i, double v) Adds a value to a specific element of the vector This function does not perform bounds checking
void	addMultiple(AArrayVector v, double factor)
ArraySubVector	exactClone() Returns an exact clone of this vector, i.e.
double	get(int i) Returns the double value at the specified position in a 1D vector
double[]	getArray()
int	getArrayOffset()
int	hashCode() Vector hashcode, designed to match hashcode of Java double array
boolean	isView() Returns true if this vector is of a view type that references other vectors / data.
int	length()
void	set(int i, double value)
double	unsafeGet(int i)
void	unsafeSet(int i, double value)
static ArraySubVector	wrap(double[] values)
static ArraySubVector	wrap(double[] data, int offset, int length)

Methods inherited from class mikera.vectorz.impl.AArrayVector

abs, add, add, add, add, add, add, add, addMultiple, addMultipleToArray, addProduct, addProduct, addProductToArray, addProductToArray, addToArray, applyOp, clamp, copyTo, copyTo, copyTo, copyTo, divide, divide, divideTo, dotProduct, dotProduct, elementSum, exp, fill, fillRange, getElements, getStride, isPackedArray, join, join, join, log, magnitude, magnitudeSquared, multiply, multiply, multiply, multiplyTo, nonZeroCount, pow, reciprocal, scaleAdd, set, set, setElements, setRange, signum, slice, sqrt, square, subVector, toDoubleBuffer, validate

Methods inherited from class mikera.vectorz.impl.AStridedVector

add, asDoubleArray, broadcast, broadcastLike, broadcastLike, clone, ensureMutable, getStride, getStrides

Methods inherited from class mikera.vectorz.AVector

add, add, addMultiple, addMultiple, addMultiple, addMultiple, addMultiple, addMultiple, addMultiple, addProduct, addToArray, addWeighted, angle, applyOp, asElementList, asVector, clampMax, clampMin, compareTo, copyTo, copyTo, copyTo, crossProduct, dimensionality, distance, distanceL1, distanceLinf, distanceSquared, divide, divide, dotProduct, dotProduct, elementCount, elementIterator, elementSquaredSum, epsilonEquals, epsilonEquals, epsilonEquals, epsilonEquals, equals, equals, equals, equalsArray, get, get, getLongShape, getShape, getShape, getSlices, getTranspose, getTransposeCopy, getTransposeView, innerProduct, innerProduct, innerProduct, innerProduct, innerProduct, interpolate, interpolate, isElementConstrained, isFullyMutable, isMutable, isSameShape, isSameShape, isUnitLengthVector, isZero, iterator, logistic, maxAbsElement, multiply, negate, normalise, normaliseMaxAbsElement, outerProduct, outerProduct, projectToPlane, reshape, scale, scaleAdd, scaleToMagnitude, set, set, set, set, set, set, setElements, setValues, slice, sliceCount, sub, sub, sub, subMultiple, tanh, toDoubleArray, toList, toNormal, toString, toVector, zeroCount

Methods inherited from class mikera.arrayz.impl.AbstractArray

broadcastCloneLike, get, getSliceViews, isBoolean, scale, set, set, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface mikera.arrayz.impl.IStridedArray

getShape

Methods inherited from interface mikera.arrayz.INDArray

add, applyOp, asElementList, asVector, broadcastCloneLike, copyTo, dimensionality, divide, divide, elementCount, elementIterator, elementSquaredSum, epsilonEquals, epsilonEquals, equals, get, get, get, getLongShape, getShape, getSlices, getSliceViews, getTranspose, getTransposeCopy, getTransposeView, innerProduct, isBoolean, isElementConstrained, isFullyMutable, isMutable, isSameShape, isZero, multiply, negate, outerProduct, reshape, scale, set, set, set, set, set, setElements, slice, sliceCount, sub, sub, toArray, toDoubleArray, toVector

Constructor Detail

ArraySubVector

public ArraySubVector(int length)

ArraySubVector

public ArraySubVector(ArraySubVector source)

ArraySubVector

public ArraySubVector(AArrayVector source,
              int offset,
              int length)

Constructs a vector directly referencing a sub-vector of an existing array-based Vector

Parameters:

source -

offset -

length -

Method Detail

wrap

public static ArraySubVector wrap(double[] values)

wrap

public static ArraySubVector wrap(double[] data,
                  int offset,
                  int length)

length

public int length()

Specified by:

length in interface IVector

Specified by:

length in class AVector

get

public double get(int i)

Description copied from interface: INDArray

Returns the double value at the specified position in a 1D vector

Specified by:

get in interface INDArray

Specified by:

get in interface IVector

Specified by:

get in class AArrayVector

Returns:

set

public void set(int i,
       double value)

Specified by:

set in interface INDArray

Specified by:

set in interface IVector

Specified by:

set in class AArrayVector

unsafeGet

public double unsafeGet(int i)

Specified by:

unsafeGet in class AArrayVector

unsafeSet

public void unsafeSet(int i,
             double value)

Specified by:

unsafeSet in class AArrayVector

add

public void add(AArrayVector v)

Overrides:

add in class AArrayVector

addMultiple

public void addMultiple(AArrayVector v,
               double factor)

Overrides:

addMultiple in class AArrayVector

addAt

public void addAt(int i,
         double v)

Description copied from class: AVector

Adds a value to a specific element of the vector This function does not perform bounds checking

Overrides:

addAt in class AArrayVector

hashCode

public int hashCode()

Vector hashcode, designed to match hashcode of Java double array

Overrides:

hashCode in class AVector

getArray

public double[] getArray()

Specified by:

getArray in interface IStridedArray

Specified by:

getArray in class AStridedVector

getArrayOffset

public int getArrayOffset()

Specified by:

getArrayOffset in interface IStridedArray

Specified by:

getArrayOffset in class AStridedVector

isView

public boolean isView()

Description copied from class: AVector

Returns true if this vector is of a view type that references other vectors / data.

Specified by:

isView in interface INDArray

Overrides:

isView in class AArrayVector

Returns:

exactClone

public ArraySubVector exactClone()

Description copied from class: AVector

Returns an exact clone of this vector, i.e. of the same type

Specified by:

exactClone in interface INDArray

Specified by:

exactClone in class AVector

Returns: