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java.lang.Objectcern.colt.PersistentObject
cern.colt.matrix.AbstractMatrix
cern.colt.matrix.AbstractMatrix2D
public abstract class AbstractMatrix2D
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.
Method Summary | |
---|---|
void |
checkShape(AbstractMatrix2D B)
Sanity check for operations requiring two matrices with the same number of columns and rows. |
void |
checkShape(AbstractMatrix2D B,
AbstractMatrix2D C)
Sanity check for operations requiring matrices with the same number of columns and rows. |
int |
columns()
Returns the number of columns. |
int |
columnStride()
Returns the column stride. |
long |
index(int row,
int column)
Returns the position of the given coordinate within the (virtual or non-virtual) internal 1-dimensional array. |
int |
rows()
Returns the number of rows. |
int |
rowStride()
Returns the row stride. |
long |
size()
Returns the number of cells which is rows()*columns(). |
String |
toStringShort()
Returns a string representation of the receiver's shape. |
Methods inherited from class cern.colt.matrix.AbstractMatrix |
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ensureCapacity, isView, trimToSize |
Methods inherited from class cern.colt.PersistentObject |
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clone |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public void checkShape(AbstractMatrix2D B)
IllegalArgumentException
- if columns() != B.columns() || rows() != B.rows().public void checkShape(AbstractMatrix2D B, AbstractMatrix2D C)
IllegalArgumentException
- if
columns() != B.columns() || rows() != B.rows() || columns() != C.columns() || rows() != C.rows()
.public int columns()
public int columnStride()
public long index(int row, int column)
row
- the index of the row-coordinate.column
- the index of the column-coordinate.public int rows()
public int rowStride()
public long size()
size
in class AbstractMatrix
public String toStringShort()
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