Class DefaultRealMatrixChangingVisitor
- java.lang.Object
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- org.apache.commons.math4.legacy.linear.DefaultRealMatrixChangingVisitor
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- All Implemented Interfaces:
RealMatrixChangingVisitor
public class DefaultRealMatrixChangingVisitor extends Object implements RealMatrixChangingVisitor
Default implementation of theRealMatrixChangingVisitorinterface.This class is a convenience to create custom visitors without defining all methods. This class provides default implementations that do nothing.
- Since:
- 2.0
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Constructor Summary
Constructors Constructor Description DefaultRealMatrixChangingVisitor()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description doubleend()End visiting a matrix.voidstart(int rows, int columns, int startRow, int endRow, int startColumn, int endColumn)Start visiting a matrix.doublevisit(int row, int column, double value)Visit one matrix entry.
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Constructor Detail
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DefaultRealMatrixChangingVisitor
public DefaultRealMatrixChangingVisitor()
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Method Detail
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start
public void start(int rows, int columns, int startRow, int endRow, int startColumn, int endColumn)
Start visiting a matrix.This method is called once before any entry of the matrix is visited.
- Specified by:
startin interfaceRealMatrixChangingVisitor- Parameters:
rows- number of rows of the matrixcolumns- number of columns of the matrixstartRow- Initial row indexendRow- Final row index (inclusive)startColumn- Initial column indexendColumn- Final column index (inclusive)
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visit
public double visit(int row, int column, double value)
Visit one matrix entry.- Specified by:
visitin interfaceRealMatrixChangingVisitor- Parameters:
row- row index of the entrycolumn- column index of the entryvalue- current value of the entry- Returns:
- the new value to be set for the entry
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end
public double end()
End visiting a matrix.This method is called once after all entries of the matrix have been visited.
- Specified by:
endin interfaceRealMatrixChangingVisitor- Returns:
- the value that the
walkInXxxOrdermust return
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