mikera.vectorz

Class ArrayVector

java.lang.Object

mikera.vectorz.AVector

mikera.vectorz.ArrayVector

All Implemented Interfaces:

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

Direct Known Subclasses:

ArraySubVector, GrowableVector, Vector

public abstract class ArrayVector
extends AVector

Base class for vectors backed by a double[] array. The double array can be directly accessed for performance purposes

Author:

Mike

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ArrayVector()

Method Summary

Methods

Modifier and Type	Method and Description
void	add(ArrayVector v)
void	add(ArrayVector src, int srcOffset)
void	add(AVector src) Adds another vector to this one
void	add(AVector src, int srcOffset) Adds another vector to this one
void	addMultiple(ArrayVector v, double factor)
void	addMultiple(AVector v, double factor) Adds a scaled multiple of another vector to this one
void	addMultipleToArray(double factor, int offset, double[] array, int arrayOffset, int length)
void	addProduct(AVector a, int aOffset, AVector b, int bOffset, double factor)
void	addToArray(int offset, double[] array, int arrayOffset, int length)
void	copy(int start, int length, ArrayVector dest, int destOffset)
void	copy(int start, int length, AVector dest, int destOffset) Copies a subset of this vector to a vector at the specified offset
void	copyTo(double[] data, int offset) Copies a the contents of a vector to a double array at the specified offset
void	divide(AVector v)
void	divide(double[] data, int offset)
void	divideTo(double[] data, int offset)
double	elementSum() Returns the sum of all elements in a vector
void	fillRange(int offset, int length, double value)
abstract double[]	getArray()
abstract int	getArrayOffset()
double	magnitude() Returns the magnitude (Euclidean length) of the vector
double	magnitudeSquared()
void	multiply(AVector v)
void	multiply(double[] data, int offset)
void	multiplyTo(double[] data, int offset)
void	set(AVector a) Sets the vector to equal the value of another vector
void	set(AVector a, int offset) Set the vector equal to an offset into another vector
ArraySubVector	subVector(int offset, int length) Returns a vector referencing a sub-vector of the current vector

Methods inherited from class mikera.vectorz.AVector

absolute, addMultiple, addMultiple, addProduct, addProduct, addWeighted, angle, asList, asVector, clamp, clampMax, clampMin, clone, compareTo, copyTo, dimensionality, distance, distanceL1, distanceLinf, distanceSquared, divide, dotProduct, dotProduct, epsilonEquals, epsilonEquals, equals, fill, get, get, hashCode, interpolate, interpolate, isFullyMutable, isMutable, isReference, isUnitLengthVector, isZeroVector, iterator, join, length, maxAbsElement, multiply, negate, normalise, normaliseMaxAbsElement, projectToPlane, reshape, scale, scale, scaleAdd, scaleToMagnitude, set, set, set, setValues, sub, subMultiple, toArray, toList, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayVector

public ArrayVector()

Method Detail

getArray

public abstract double[] getArray()

getArrayOffset

public abstract int getArrayOffset()

subVector

public ArraySubVector subVector(int offset,
                       int length)

Returns a vector referencing a sub-vector of the current vector

Overrides:

subVector in class AVector

Parameters:

offset -

length -

Returns:

copyTo

public void copyTo(double[] data,
          int offset)

Description copied from class: AVector

Copies a the contents of a vector to a double array at the specified offset

Overrides:

copyTo in class AVector

fillRange

public void fillRange(int offset,
             int length,
             double value)

Overrides:

fillRange in class AVector

set

public void set(AVector a)

Description copied from class: AVector

Sets the vector to equal the value of another vector

Overrides:

set in class AVector

set

public void set(AVector a,
       int offset)

Description copied from class: AVector

Set the vector equal to an offset into another vector

Overrides:

set in class AVector

add

public void add(AVector src)

Description copied from class: AVector

Adds another vector to this one

Overrides:

add in class AVector

add

public void add(ArrayVector v)

add

public void add(AVector src,
       int srcOffset)

Description copied from class: AVector

Adds another vector to this one

Overrides:

add in class AVector

addMultiple

public void addMultiple(AVector v,
               double factor)

Description copied from class: AVector

Adds a scaled multiple of another vector to this one

Overrides:

addMultiple in class AVector

addProduct

public void addProduct(AVector a,
              int aOffset,
              AVector b,
              int bOffset,
              double factor)

Overrides:

addProduct in class AVector

addToArray

public void addToArray(int offset,
              double[] array,
              int arrayOffset,
              int length)

Overrides:

addToArray in class AVector

addMultipleToArray

public void addMultipleToArray(double factor,
                      int offset,
                      double[] array,
                      int arrayOffset,
                      int length)

Overrides:

addMultipleToArray in class AVector

add

public void add(ArrayVector src,
       int srcOffset)

elementSum

public double elementSum()

Description copied from class: AVector

Returns the sum of all elements in a vector

Overrides:

elementSum in class AVector

Returns:

multiply

public void multiply(AVector v)

Overrides:

multiply in class AVector

multiply

public void multiply(double[] data,
            int offset)

Overrides:

multiply in class AVector

multiplyTo

public void multiplyTo(double[] data,
              int offset)

Overrides:

multiplyTo in class AVector

divide

public void divide(AVector v)

Overrides:

divide in class AVector

divide

public void divide(double[] data,
          int offset)

Overrides:

divide in class AVector

divideTo

public void divideTo(double[] data,
            int offset)

Overrides:

divideTo in class AVector

copy

public void copy(int start,
        int length,
        AVector dest,
        int destOffset)

Description copied from class: AVector

Copies a subset of this vector to a vector at the specified offset

Overrides:

copy in class AVector

copy

public void copy(int start,
        int length,
        ArrayVector dest,
        int destOffset)

addMultiple

public void addMultiple(ArrayVector v,
               double factor)

magnitudeSquared

public double magnitudeSquared()

Overrides:

magnitudeSquared in class AVector

magnitude

public double magnitude()

Description copied from class: AVector

Returns the magnitude (Euclidean length) of the vector

Overrides:

magnitude in class AVector

Returns: