DUNE PDELab (2.8)
Dune::MatrixIndexSet Class Reference
Stores the nonzero entries in a sparse matrix. More...
#include <dune/istl/matrixindexset.hh>
Public Member Functions | |
MatrixIndexSet () | |
Default constructor. | |
MatrixIndexSet (size_type rows, size_type cols) | |
Constructor setting the matrix size. | |
void | resize (size_type rows, size_type cols) |
Reset the size of an index set. | |
void | add (size_type i, size_type j) |
Add an index to the index set. | |
size_type | size () const |
Return the number of entries. | |
size_type | rows () const |
Return the number of rows. | |
size_type | rowsize (size_type row) const |
Return the number of entries in a given row. | |
template<class MatrixType > | |
void | import (const MatrixType &m, size_type rowOffset=0, size_type colOffset=0) |
Import all nonzero entries of a sparse matrix into the index set. More... | |
template<class MatrixType > | |
void | exportIdx (MatrixType &matrix) const |
Initializes a BCRSMatrix with the indices contained in this MatrixIndexSet. More... | |
Detailed Description
Stores the nonzero entries in a sparse matrix.
Member Function Documentation
◆ exportIdx()
template<class MatrixType >
|
inline |
Initializes a BCRSMatrix with the indices contained in this MatrixIndexSet.
- Template Parameters
-
MatrixType Needs to be BCRSMatrix<...>
- Parameters
-
matrix reference to the MatrixType object
◆ import()
template<class MatrixType >
|
inline |
Import all nonzero entries of a sparse matrix into the index set.
- Template Parameters
-
MatrixType Needs to be BCRSMatrix<...>
- Parameters
-
m reference to the MatrixType object rowOffset don't write to rows<rowOffset colOffset don't write to cols<colOffset
The documentation for this class was generated from the following file:
- dune/istl/matrixindexset.hh
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