Class DefaultFieldMatrixChangingVisitor<T extends FieldElement<T>>
- java.lang.Object
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- org.apache.commons.math4.legacy.linear.DefaultFieldMatrixChangingVisitor<T>
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- Type Parameters:
T- the type of the field elements
- All Implemented Interfaces:
FieldMatrixChangingVisitor<T>
public class DefaultFieldMatrixChangingVisitor<T extends FieldElement<T>> extends Object implements FieldMatrixChangingVisitor<T>
Default implementation of theFieldMatrixChangingVisitorinterface.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 DefaultFieldMatrixChangingVisitor(T zero)Build a new instance.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Tend()End visiting a matrix.voidstart(int rows, int columns, int startRow, int endRow, int startColumn, int endColumn)Start visiting a matrix.Tvisit(int row, int column, T value)Visit one matrix entry.
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Constructor Detail
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DefaultFieldMatrixChangingVisitor
public DefaultFieldMatrixChangingVisitor(T zero)
Build a new instance.- Parameters:
zero- additive identity of the field
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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 interfaceFieldMatrixChangingVisitor<T extends FieldElement<T>>- 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 T visit(int row, int column, T value)
Visit one matrix entry.- Specified by:
visitin interfaceFieldMatrixChangingVisitor<T extends FieldElement<T>>- 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 T end()
End visiting a matrix.This method is called once after all entries of the matrix have been visited.
- Specified by:
endin interfaceFieldMatrixChangingVisitor<T extends FieldElement<T>>- Returns:
- the value that the
walkInXxxOrdermust return
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