Class to perform the LU decomposition on a symmetric matrix. More...
Public Member Functions | |
| ClassName ("LUscalarMatrix") | |
| LUscalarMatrix () | |
| Construct null. More... | |
| LUscalarMatrix (const scalarSquareMatrix &M) | |
| Construct from and perform LU decomposition of the matrix M. More... | |
| LUscalarMatrix (const lduMatrix &, const FieldField< Field, scalar > &interfaceCoeffs, const lduInterfaceFieldPtrsList &interfaces) | |
| Construct from lduMatrix and perform LU decomposition. More... | |
| void | decompose (const scalarSquareMatrix &M) |
| Perform the LU decomposition of the matrix M. More... | |
| template<class Type > | |
| void | solve (Field< Type > &x, const Field< Type > &source) const |
| Solve the linear system with the given source. More... | |
| template<class Type > | |
| tmp< Field< Type > > | solve (const Field< Type > &source) const |
| Solve the linear system with the given source. More... | |
| template<class Type > | |
| Foam::tmp< Foam::Field< Type > > | solve (const Field< Type > &source) const |
 Public Member Functions inherited from SquareMatrix< Type > | |
| SquareMatrix () | |
| Null constructor. More... | |
| SquareMatrix (const label n) | |
| Construct given number of rows/columns. More... | |
| template<class MatrixType > | |
| SquareMatrix (const ConstMatrixBlock< MatrixType > &) | |
| Construct from a block of another matrix. More... | |
| template<class MatrixType > | |
| SquareMatrix (const MatrixBlock< MatrixType > &) | |
| Construct from a block of another matrix. More... | |
| SquareMatrix (const label n, const zero) | |
| Construct given number of rows/columns. More... | |
| SquareMatrix (const label m, const label n, const zero) | |
| Construct given number of rows and columns (checked to be equal) More... | |
| SquareMatrix (const label n, const Identity< Type >) | |
| Construct given number of rows/columns. More... | |
| SquareMatrix (const label n, const Type &) | |
| Construct with given number of rows and rows. More... | |
| SquareMatrix (const RectangularMatrix< Type > &) | |
| Construct as copy of a RectangularMatrix. More... | |
| SquareMatrix (Istream &) | |
| Construct from Istream. More... | |
| autoPtr< SquareMatrix< Type > > | clone () const |
| Clone. More... | |
| void | setSize (const label m) |
| Resize the matrix preserving the elements. More... | |
| void | operator= (const zero) |
| Assignment of all elements to zero. More... | |
| void | operator= (const Identity< Type >) |
| Assignment elements to the. More... | |
| Public Member Functions inherited from Matrix< SquareMatrix< Type >, Type > | |
| Matrix () | |
| Null constructor. More... | |
| Matrix (const label m, const label n) | |
| Construct given number of rows and columns. More... | |
| Matrix (const label m, const label n, const zero) | |
| Construct with given number of rows and columns. More... | |
| Matrix (const label m, const label n, const Type &) | |
| Construct with given number of rows and columns. More... | |
| Matrix (const mType &) | |
| Copy constructor. More... | |
| Matrix (const Matrix< Form2, Type > &) | |
| Copy constructor from matrix of a different form. More... | |
| Matrix (const ConstMatrixBlock< MatrixType > &) | |
| Construct from a block of another matrix. More... | |
| Matrix (const MatrixBlock< MatrixType > &) | |
| Construct from a block of another matrix. More... | |
| Matrix (Istream &) | |
| Construct from Istream. More... | |
| autoPtr< mType > | clone () const |
| Clone. More... | |
| ~Matrix () | |
| Destructor. More... | |
| label | m () const |
| Return the number of rows. More... | |
| label | n () const |
| Return the number of columns. More... | |
| label | size () const |
| Return the number of elements in matrix (m*n) More... | |
| const Type * | v () const |
| Return element vector of the constant Matrix. More... | |
| Type * | v () |
| Return element vector of the Matrix. More... | |
| ConstMatrixBlock< mType > | block (const label m, const label n, const label mStart, const label nStart) const |
| ConstMatrixBlock< mType > | block (const label mStart, const label nStart) const |
| MatrixBlock< mType > | block (const label m, const label n, const label mStart, const label nStart) |
| MatrixBlock< mType > | block (const label mStart, const label nStart) |
| ConstMatrixBlock< mType > | col (const label m, const label rowStart) const |
| ConstMatrixBlock< mType > | col (const label m, const label mStart, const label nStart) const |
| MatrixBlock< mType > | col (const label m, const label rowStart) |
| MatrixBlock< mType > | col (const label m, const label mStart, const label nStart) |
| void | checki (const label i) const |
| Check index i is within valid range (0 ... m-1). More... | |
| void | checkj (const label j) const |
| Check index j is within valid range (0 ... n-1). More... | |
| void | clear () |
| Clear the Matrix, i.e. set sizes to zero. More... | |
| void | transfer (mType &) |
| Transfer the contents of the argument Matrix into this Matrix. More... | |
| void | setSize (const label m, const label n) |
| Resize the matrix preserving the elements. More... | |
| SquareMatrix< Type > | T () const |
| Return the transpose of the matrix. More... | |
| Type * | operator[] (const label) |
| Return subscript-checked row of Matrix. More... | |
| const Type * | operator[] (const label) const |
| Return subscript-checked row of constant Matrix. More... | |
| const Type & | operator() (const label i, const label j) const |
| (i, j) const element access operator More... | |
| Type & | operator() (const label i, const label j) |
| (i, j) element access operator More... | |
| void | operator= (const mType &) |
| Assignment operator. Takes linear time. More... | |
| void | operator= (const ConstMatrixBlock< MatrixType > &) |
| Assignment to a block of another matrix. More... | |
| void | operator= (const MatrixBlock< MatrixType > &) |
| Assignment to a block of another matrix. More... | |
| void | operator= (const zero) |
| Assignment of all elements to zero. More... | |
| void | operator= (const Type &) |
| Assignment of all elements to the given value. More... | |
Additional Inherited Members | |
| Public Types inherited from Matrix< SquareMatrix< Type >, Type > | |
| typedef Matrix< SquareMatrix< Type >, Type > | mType |
| Matrix type. More... | |
| typedef Type | cmptType |
| Component type. More... | |
| Static Public Member Functions inherited from Matrix< SquareMatrix< Type >, Type > | |
| static const mType & | null () |
| Return a null Matrix. More... | |
Class to perform the LU decomposition on a symmetric matrix.
Definition at line 54 of file LUscalarMatrix.H.
| LUscalarMatrix | ( | ) |
Construct null.
Definition at line 42 of file LUscalarMatrix.C.
Referenced by LUscalarMatrix::LUscalarMatrix().
| LUscalarMatrix | ( | const scalarSquareMatrix & | M | ) |
Construct from and perform LU decomposition of the matrix M.
Definition at line 48 of file LUscalarMatrix.C.
References Foam::LUDecompose(), and LUscalarMatrix::LUscalarMatrix().
| LUscalarMatrix | ( | const lduMatrix & | ldum, |
| const FieldField< Field, scalar > & | interfaceCoeffs, | ||
| const lduInterfaceFieldPtrsList & | interfaces | ||
| ) |
Construct from lduMatrix and perform LU decomposition.
Definition at line 59 of file LUscalarMatrix.C.
References UList< T >::begin(), UPtrList< T >::begin(), lduMatrix::diag(), Foam::endl(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, UPstream::firstSlave(), forAll, Foam::Info, interface(), UPstream::lastSlave(), lduMatrix::lduAddr(), lduMatrix::lower(), lduAddressing::lowerAddr(), Foam::LUDecompose(), Matrix< SquareMatrix< Type >, Type >::m(), Foam::mag(), UPstream::master(), UPstream::masterNo(), UPstream::msgType(), Matrix< SquareMatrix< Type >, Type >::n(), cyclicLduInterface::neighbPatchID(), UPstream::nProcs(), Matrix< SquareMatrix< Type >, Type >::operator[](), UPstream::parRun(), Foam::Pout, UPstream::scheduled, PtrList< T >::set(), UPtrList< T >::set(), List< T >::setSize(), List< T >::size(), procLduMatrix::size(), UPtrList< T >::size(), lduAddressing::size(), Foam::sum(), Matrix< SquareMatrix< Type >, Type >::transfer(), lduMatrix::upper(), and lduAddressing::upperAddr().
| ClassName | ( | "LUscalarMatrix" | ) |
| void decompose | ( | const scalarSquareMatrix & | M | ) |
Perform the LU decomposition of the matrix M.
Definition at line 407 of file LUscalarMatrix.C.
References Foam::LUDecompose(), Matrix< SquareMatrix< Type >, Type >::m(), SquareMatrix< scalar >::operator=(), and List< T >::setSize().
Solve the linear system with the given source.
and returning the solution in the Field argument x. This function may be called with the same field for x and source.
Definition at line 33 of file LUscalarMatrixTemplates.C.
References UList< Type >::begin(), UList< Type >::byteSize(), Foam::LUBacksubstitute(), Foam::read(), List< Type >::size(), and write().
Solve the linear system with the given source.
returning the solution
| Foam::tmp<Foam::Field<Type> > solve | ( | const Field< Type > & | source | ) | const |
Definition at line 143 of file LUscalarMatrixTemplates.C.
References tmp< T >::ref(), and solve().
1.8.11
