mikera.vectorz.impl

Class StridedVector

java.lang.Object

mikera.arrayz.impl.AbstractArray<Double>

mikera.vectorz.AVector

mikera.vectorz.impl.AStridedVector

mikera.vectorz.impl.StridedVector

All Implemented Interfaces:

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

public final class StridedVector
extends AStridedVector

See Also:

Serialized Form

Method Summary

Methods

Modifier and Type	Method and Description
void	add(AStridedVector v)
void	add(AVector v) Adds another vector to this one
void	addAt(int i, double value) Adds a value to a specific element of the vector This function does not perform bounds checking
double	dotProduct(AVector v)
StridedVector	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()
void	getElements(double[] dest, int destOffset) Gets all elements of the array, copying them into a double array
int	getStride()
boolean	isFullyMutable() Returns true if this vector is fully mutable, i.e.
boolean	isMutable() Returns true if this vector is mutable.
boolean	isView() Returns true if this vector is of a view type that references other vectors / data.
int	length()
void	set(AVector v) Sets the vector to equal the value of another vector
void	set(int i, double value)
AVector	subVector(int start, int length) Obtains a sub-vector that refers to this vector.
double	unsafeGet(int i)
void	unsafeSet(int i, double value)
void	validate() Validates the internal data structure of the INDArray.
static StridedVector	wrap(double[] data, int offset, int length, int stride)
static StridedVector	wrapStrided(double[] data, int offset, int length, int stride)

Methods inherited from class mikera.vectorz.impl.AStridedVector

add, asDoubleArray, broadcast, broadcastLike, broadcastLike, clone, dotProduct, ensureMutable, getStride, getStrides, isPackedArray, iterator

Methods inherited from class mikera.vectorz.AVector

abs, add, add, add, add, add, addMultiple, addMultiple, addMultiple, addMultiple, addMultiple, addMultiple, addMultiple, addMultiple, addMultipleToArray, addProduct, addProduct, addProduct, addProductToArray, addProductToArray, addToArray, addToArray, addWeighted, angle, applyOp, applyOp, asElementList, asVector, clamp, clampMax, clampMin, compareTo, copyTo, copyTo, copyTo, copyTo, copyTo, copyTo, crossProduct, dimensionality, distance, distanceL1, distanceLinf, distanceSquared, divide, divide, divide, divide, divideTo, dotProduct, dotProduct, elementCount, elementIterator, elementSquaredSum, elementSum, epsilonEquals, epsilonEquals, epsilonEquals, epsilonEquals, equals, equals, equals, equalsArray, equalsArray, fill, fillRange, get, get, get, getLongShape, getShape, getShape, getSlices, getTranspose, getTransposeCopy, getTransposeView, hashCode, immutable, innerProduct, innerProduct, innerProduct, innerProduct, innerProduct, interpolate, interpolate, isElementConstrained, isSameShape, isSameShape, isUnitLengthVector, isZero, join, log, logistic, magnitude, magnitudeSquared, maxAbsElement, multiply, multiply, multiply, multiply, multiplyTo, mutable, negate, nonZeroCount, normalise, normaliseMaxAbsElement, outerProduct, outerProduct, pow, projectToPlane, reshape, scale, scaleAdd, scaleAdd, scaleToMagnitude, set, set, set, set, set, set, set, set, setElements, setElements, setRange, setValues, signum, slice, slice, sliceCount, square, sub, sub, sub, subMultiple, tanh, toDoubleArray, toDoubleBuffer, toList, toNormal, toString, toVector, zeroCount

Methods inherited from class mikera.arrayz.impl.AbstractArray

broadcastCloneLike, exp, get, getSliceViews, isBoolean, reciprocal, scale, set, set, sqrt, 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

abs, add, add, applyOp, applyOp, asElementList, asVector, broadcastCloneLike, clamp, copyTo, dimensionality, divide, divide, elementCount, elementIterator, elementSquaredSum, elementSum, epsilonEquals, epsilonEquals, equals, exp, fill, get, get, get, getLongShape, getShape, getSlices, getSliceViews, getTranspose, getTransposeCopy, getTransposeView, innerProduct, isBoolean, isElementConstrained, isSameShape, isZero, log, multiply, multiply, negate, nonZeroCount, outerProduct, pow, reciprocal, reshape, scale, scaleAdd, set, set, set, set, set, setElements, setElements, signum, slice, slice, sliceCount, sqrt, square, sub, sub, toArray, toDoubleArray, toDoubleBuffer, toVector

Method Detail

wrapStrided

public static StridedVector wrapStrided(double[] data,
                        int offset,
                        int length,
                        int stride)

wrap

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

length

public int length()

Specified by:

length in interface IVector

Specified by:

length in class AVector

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 AVector

Returns:

isFullyMutable

public boolean isFullyMutable()

Description copied from class: AVector

Returns true if this vector is fully mutable, i.e. can contain any unconstrained double values

Specified by:

isFullyMutable in interface INDArray

Overrides:

isFullyMutable in class AVector

Returns:

isMutable

public boolean isMutable()

Description copied from class: AVector

Returns true if this vector is mutable.

Specified by:

isMutable in interface INDArray

Overrides:

isMutable in class AVector

Returns:

dotProduct

public double dotProduct(AVector v)

Overrides:

dotProduct in class AVector

set

public void set(AVector v)

Description copied from class: AVector

Sets the vector to equal the value of another vector

Overrides:

set in class AVector

add

public void add(AVector v)

Description copied from class: AVector

Adds another vector to this one

Overrides:

add in class AVector

add

public void add(AStridedVector v)

getStride

public int getStride()

Specified by:

getStride in class AStridedVector

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

subVector

public AVector subVector(int start,
                int length)

Description copied from class: AVector

Obtains a sub-vector that refers to this vector. Changes to the sub-vector will be reflected in this vector

Overrides:

subVector 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 AVector

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 AVector

unsafeGet

public double unsafeGet(int i)

Overrides:

unsafeGet in class AVector

unsafeSet

public void unsafeSet(int i,
             double value)

Overrides:

unsafeSet in class AVector

addAt

public void addAt(int i,
         double value)

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 AVector

getElements

public void getElements(double[] dest,
               int destOffset)

Description copied from interface: INDArray

Gets all elements of the array, copying them into a double array

Specified by:

getElements in interface INDArray

Overrides:

getElements in class AVector

exactClone

public StridedVector 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:

validate

public void validate()

Description copied from interface: INDArray

Validates the internal data structure of the INDArray. Throws an exception on failure. Failure indicates a serious bug and/or data corruption.

Specified by:

validate in interface INDArray

Overrides:

validate in class AVector