com.landawn.abacus.util

Class AbstractMatrix<A,PL,HS,RS,X extends AbstractMatrix<A,PL,HS,RS,X>>

java.lang.Object

com.landawn.abacus.util.AbstractMatrix<A,PL,HS,RS,X>

Direct Known Subclasses:

BooleanMatrix, ByteMatrix, CharMatrix, DoubleMatrix, FloatMatrix, IntMatrix, LongMatrix, Matrix, ShortMatrix

public abstract class AbstractMatrix<A,PL,HS,RS,X extends AbstractMatrix<A,PL,HS,RS,X>>
extends java.lang.Object

Since:

0.8

Author:

Haiyang Li

Field Summary

Fields

Modifier and Type	Field and Description
int	cols Column length.
long	count
int	rows Row length.

Method Summary

Modifier and Type	Method and Description
abstract X	copy()
abstract X	copy(int fromRowIndex, int toRowIndex)
abstract X	copy(int fromRowIndex, int toRowIndex, int fromColumnIndex, int toColumnIndex)
abstract PL	flatten()
boolean	isEmpty()
boolean	isSameShape(X x)
Stream<Stream<Pair.IntPair>>	pointsC()
Stream<Stream<Pair.IntPair>>	pointsC(int fromColumnIndex, int toColumnIndex)
Stream<Pair.IntPair>	pointsH()
Stream<Pair.IntPair>	pointsH(int rowIndex)
Stream<Pair.IntPair>	pointsH(int fromRowIndex, int toRowIndex)
Stream<Pair.IntPair>	pointsLU2RD()
Stream<Stream<Pair.IntPair>>	pointsR()
Stream<Stream<Pair.IntPair>>	pointsR(int fromRowIndex, int toRowIndex)
Stream<Pair.IntPair>	pointsRU2LD()
Stream<Pair.IntPair>	pointsV()
Stream<Pair.IntPair>	pointsV(int columnIndex)
Stream<Pair.IntPair>	pointsV(int fromColumnIndex, int toColumnIndex)
void	println()
abstract X	repelem(int rowRepeats, int colRepeats) Repeat elements rowRepeats times in row direction and colRepeats times in column direction.
abstract X	repmat(int rowRepeats, int colRepeats) Repeat this matrix rowRepeats times in row direction and colRepeats times in column direction.
X	reshape(int newCols)
abstract X	reshape(int newRows, int newCols)
abstract X	rotate180() Rotate this matrix clockwise 180
abstract X	rotate270() Rotate this matrix clockwise 270
abstract X	rotate90() Rotate this matrix clockwise 90
abstract RS	streamC()
abstract RS	streamC(int fromColumnIndex, int toColumnIndex)
abstract HS	streamH()
abstract HS	streamH(int rowIndex)
abstract HS	streamH(int fromRowIndex, int toRowIndex)
abstract HS	streamLU2RD()
abstract RS	streamR()
abstract RS	streamR(int fromRowIndex, int toRowIndex)
abstract HS	streamRU2LD()
abstract HS	streamV()
abstract HS	streamV(int columnIndex)
abstract HS	streamV(int fromColumnIndex, int toColumnIndex)
abstract X	transpose()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

rows

public final int rows

Row length.

cols

public final int cols

Column length.

count

public final long count

Method Detail

println

public void println()

isEmpty

public boolean isEmpty()

copy

public abstract X copy()

Returns:

a new Matrix

copy

public abstract X copy(int fromRowIndex,
                       int toRowIndex)

Parameters:

fromRowIndex -

toRowIndex -

Returns:

a new Matrix

copy

public abstract X copy(int fromRowIndex,
                       int toRowIndex,
                       int fromColumnIndex,
                       int toColumnIndex)

Parameters:

fromRowIndex -

toRowIndex -

fromColumnIndex -

toColumnIndex -

Returns:

a new Matrix

rotate90

public abstract X rotate90()

Rotate this matrix clockwise 90

Returns:

a new Matrix

rotate180

public abstract X rotate180()

Rotate this matrix clockwise 180

Returns:

a new Matrix

rotate270

public abstract X rotate270()

Rotate this matrix clockwise 270

Returns:

a new Matrix

transpose

public abstract X transpose()

reshape

public X reshape(int newCols)

reshape

public abstract X reshape(int newRows,
                          int newCols)

isSameShape

public boolean isSameShape(X x)

repelem

public abstract X repelem(int rowRepeats,
                          int colRepeats)

Repeat elements rowRepeats times in row direction and colRepeats times in column direction.

Parameters:

rowRepeats -

colRepeats -

Returns:

a new matrix

repmat

public abstract X repmat(int rowRepeats,
                         int colRepeats)

Repeat this matrix rowRepeats times in row direction and colRepeats times in column direction.

Parameters:

rowRepeats -

colRepeats -

Returns:

a new matrix

flatten

public abstract PL flatten()

pointsLU2RD

public Stream<Pair.IntPair> pointsLU2RD()

pointsRU2LD

public Stream<Pair.IntPair> pointsRU2LD()

pointsH

public Stream<Pair.IntPair> pointsH()

pointsH

public Stream<Pair.IntPair> pointsH(int rowIndex)

pointsH

public Stream<Pair.IntPair> pointsH(int fromRowIndex,
                                    int toRowIndex)

pointsV

public Stream<Pair.IntPair> pointsV()

pointsV

public Stream<Pair.IntPair> pointsV(int columnIndex)

pointsV

public Stream<Pair.IntPair> pointsV(int fromColumnIndex,
                                    int toColumnIndex)

pointsR

public Stream<Stream<Pair.IntPair>> pointsR()

pointsR

public Stream<Stream<Pair.IntPair>> pointsR(int fromRowIndex,
                                            int toRowIndex)

pointsC

public Stream<Stream<Pair.IntPair>> pointsC()

pointsC

public Stream<Stream<Pair.IntPair>> pointsC(int fromColumnIndex,
                                            int toColumnIndex)

streamLU2RD

public abstract HS streamLU2RD()

streamRU2LD

public abstract HS streamRU2LD()

streamH

public abstract HS streamH()

streamH

public abstract HS streamH(int rowIndex)

streamH

public abstract HS streamH(int fromRowIndex,
                           int toRowIndex)

streamV

public abstract HS streamV()

streamV

public abstract HS streamV(int columnIndex)

streamV

public abstract HS streamV(int fromColumnIndex,
                           int toColumnIndex)

streamR

public abstract RS streamR()

streamR

public abstract RS streamR(int fromRowIndex,
                           int toRowIndex)

streamC

public abstract RS streamC()

streamC

public abstract RS streamC(int fromColumnIndex,
                           int toColumnIndex)