cern.colt.matrix.impl
Class AbstractMatrix2D

java.lang.Object
  cern.colt.PersistentObject
      cern.colt.matrix.impl.AbstractMatrix
          cern.colt.matrix.impl.AbstractMatrix2D

All Implemented Interfaces:

Cloneable, Serializable

Direct Known Subclasses:

DoubleMatrix2D, ObjectMatrix2D

public abstract class AbstractMatrix2D

extends AbstractMatrix

Abstract base class for 2-d matrices holding objects or primitive data types such as int, double, etc. First see the package summary and javadoc tree view to get the broad picture.

Note that this implementation is not synchronized.

Version:

1.0, 09/24/99

See Also:

Serialized Form

checkShape

public void checkShape(AbstractMatrix2D B)

Sanity check for operations requiring two matrices with the same number of columns and rows.

Throws:

IllegalArgumentException - if columns() != B.columns() || rows() != B.rows().

checkShape

public void checkShape(AbstractMatrix2D B,
                       AbstractMatrix2D C)

Sanity check for operations requiring matrices with the same number of columns and rows.

Throws:

IllegalArgumentException - if columns() != B.columns() || rows() != B.rows() || columns() != C.columns() || rows() != C.rows().

columns

public int columns()

Returns the number of columns.

rows

public int rows()

Returns the number of rows.

size

public int size()

Returns the number of cells which is rows()*columns().

Specified by:

size in class AbstractMatrix

toStringShort

public String toStringShort()

Returns a string representation of the receiver's shape.