mikera.matrixx

Class Matrix22

java.lang.Object

mikera.transformz.ATransform

mikera.transformz.AAffineTransform

mikera.transformz.ALinearTransform

mikera.matrixx.AMatrix

mikera.matrixx.Matrix22

All Implemented Interfaces:

Cloneable, Iterable<AVector>, INDArray, IMatrix, ITransform, ISpecialisedTransform

public final class Matrix22
extends AMatrix
implements ISpecialisedTransform

Specialised 2*2 Matrix for Vector2 maths, using primitive matrix elements

Author:

Mike

Field Summary

Fields

Modifier and Type	Field and Description
double	m00
double	m01
double	m10
double	m11

Constructor Summary

Constructors

Constructor and Description
Matrix22()
Matrix22(AMatrix m)
Matrix22(double m00, double m01, double m10, double m11)
Matrix22(Matrix22 source)

Method Summary

Methods

Modifier and Type	Method and Description
Matrix22	clone() Clones the transform, performing a deep copy where needed
Vector2	cloneRow(int row)
int	columnCount() Returns the number of columns in the matrix
double	determinant() Calculates the determinant of the matrix.
boolean	equals(Matrix22 m)
boolean	equals(Object o)
Matrix22	exactClone() Returns an exact deep clone of an array (i.e.
double	get(int row, int column) Returns a specified element in the matrix
Matrix22	getTranspose() Returns a transposed version of this matrix.
Matrix22	inverse() Return the inverse of this transformation if possible
boolean	isSquare() Returns true if the transform is square (same number of input and output dimensions)
int	rowCount() Returns the number of rows in the matrix
void	scale(double factor) Scales a matrix by a constant scalar factor.
void	set(int row, int column, double value) Sets a specified element in the matrix
Vector4	toVector() Converts the matrix to a single flattened vector in row major order.
double	trace()
void	transform(AVector source, AVector dest) Transforms the source vector, storing the result in the given destination vector
Vector2	transform(Vector2 source)
void	transform(Vector2 source, AVector dest)
void	transform(Vector2 source, Vector2 dest)
void	transformInPlace(Vector2 dest)

Methods inherited from class mikera.matrixx.AMatrix

add, add, add, add, addAt, addMultiple, applyOp, applyOp, asVector, broadcast, calculateElement, compose, compose, composeWith, composeWith, copyOfMatrix, copyOfTranslationVector, dimensionality, elementCount, elementMul, elementSum, epsilonEquals, equals, equals, equals, get, get, get, getColumn, getLeadingDiagonal, getMatrixComponent, getRow, getShape, getSlices, hashCode, innerProduct, innerProduct, innerProduct, innerProduct, inputDimensions, isElementConstrained, isFullyMutable, isIdentity, isInvertible, isMutable, isView, isZeroMatrix, iterator, mul, outerProduct, outputDimensions, reshape, set, set, set, set, set, set, slice, sliceCount, sub, sub, sub, sub, swapColumns, swapRows, toAffineTransform, toMutableMatrix, toString, transformInPlace, transposeInPlace

Methods inherited from class mikera.transformz.ALinearTransform

getTranslationComponent, isLinear

Methods inherited from class mikera.transformz.AAffineTransform

compose, transformNormal

Methods inherited from class mikera.transformz.ATransform

takeComponents, takeComponents, takeComponents, transform

Methods inherited from class java.lang.Object

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

Field Detail

m00

public double m00

m01

public double m01

m10

public double m10

m11

public double m11

Constructor Detail

Matrix22

public Matrix22()

Matrix22

public Matrix22(Matrix22 source)

Matrix22

public Matrix22(double m00,
        double m01,
        double m10,
        double m11)

Matrix22

public Matrix22(AMatrix m)

Method Detail

scale

public void scale(double factor)

Description copied from class: AMatrix

Scales a matrix by a constant scalar factor.

Specified by:

scale in interface INDArray

Overrides:

scale in class AMatrix

determinant

public double determinant()

Description copied from class: AMatrix

Calculates the determinant of the matrix.

Overrides:

determinant in class AMatrix

trace

public double trace()

Overrides:

trace in class AMatrix

inverse

public Matrix22 inverse()

Description copied from class: ATransform

Return the inverse of this transformation if possible

Overrides:

inverse in class AMatrix

Returns:

rowCount

public int rowCount()

Description copied from class: AMatrix

Returns the number of rows in the matrix

Specified by:

rowCount in interface IMatrix

Specified by:

rowCount in class AMatrix

columnCount

public int columnCount()

Description copied from class: AMatrix

Returns the number of columns in the matrix

Specified by:

columnCount in interface IMatrix

Specified by:

columnCount in class AMatrix

cloneRow

public Vector2 cloneRow(int row)

Overrides:

cloneRow in class AMatrix

get

public double get(int row,
         int column)

Description copied from class: AMatrix

Returns a specified element in the matrix

Specified by:

get in interface INDArray

Specified by:

get in interface IMatrix

Specified by:

get in class AMatrix

set

public void set(int row,
       int column,
       double value)

Description copied from class: AMatrix

Sets a specified element in the matrix

Specified by:

set in interface INDArray

Specified by:

set in interface IMatrix

Specified by:

set in class AMatrix

transform

public void transform(AVector source,
             AVector dest)

Description copied from class: ATransform

Transforms the source vector, storing the result in the given destination vector

Specified by:

transform in interface ITransform

Overrides:

transform in class AMatrix

transform

public void transform(Vector2 source,
             AVector dest)

transform

public void transform(Vector2 source,
             Vector2 dest)

transform

public Vector2 transform(Vector2 source)

transformInPlace

public void transformInPlace(Vector2 dest)

isSquare

public boolean isSquare()

Description copied from class: ATransform

Returns true if the transform is square (same number of input and output dimensions)

Overrides:

isSquare in class AMatrix

Returns:

toVector

public Vector4 toVector()

Description copied from class: AMatrix

Converts the matrix to a single flattened vector in row major order.

Overrides:

toVector in class AMatrix

getTranspose

public Matrix22 getTranspose()

Description copied from class: AMatrix

Returns a transposed version of this matrix. May or may not be a view.

Overrides:

getTranspose in class AMatrix

Returns:

equals

public boolean equals(Object o)

Overrides:

equals in class AMatrix

equals

public boolean equals(Matrix22 m)

clone

public Matrix22 clone()

Description copied from class: ATransform

Clones the transform, performing a deep copy where needed

Specified by:

clone in interface INDArray

Overrides:

clone in class AMatrix

Returns:

exactClone

public Matrix22 exactClone()

Description copied from interface: INDArray

Returns an exact deep clone of an array (i.e. of the same class as the original).

Specified by:

exactClone in interface INDArray

Specified by:

exactClone in class AMatrix

Returns: