Reference documentation for deal.II version 9.0.0
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#include <deal.II/lac/relaxation_block.h>
Public Types | |
typedef MatrixType::value_type | number |
Public Member Functions | |
void | step (VectorType &dst, const VectorType &rhs) const |
void | Tstep (VectorType &dst, const VectorType &rhs) const |
void | vmult (VectorType &dst, const VectorType &rhs) const |
void | Tvmult (VectorType &dst, const VectorType &rhs) const |
Public Member Functions inherited from Subscriptor | |
Subscriptor () | |
Subscriptor (const Subscriptor &) | |
Subscriptor (Subscriptor &&) noexcept | |
virtual | ~Subscriptor () |
Subscriptor & | operator= (const Subscriptor &) |
Subscriptor & | operator= (Subscriptor &&) noexcept |
void | subscribe (const char *identifier=nullptr) const |
void | unsubscribe (const char *identifier=nullptr) const |
unsigned int | n_subscriptions () const |
void | list_subscribers () const |
template<class Archive > | |
void | serialize (Archive &ar, const unsigned int version) |
Additional Inherited Members | |
Static Public Member Functions inherited from Subscriptor | |
static ::ExceptionBase & | ExcInUse (int arg1, std::string arg2, std::string arg3) |
static ::ExceptionBase & | ExcNoSubscriber (std::string arg1, std::string arg2) |
Protected Types inherited from RelaxationBlock< MatrixType, InverseNumberType, VectorType > | |
typedef types::global_dof_index | size_type |
Protected Types inherited from PreconditionBlockBase< InverseNumberType > | |
enum | Inversion |
typedef types::global_dof_index | size_type |
Protected Member Functions inherited from RelaxationBlock< MatrixType, InverseNumberType, VectorType > | |
void | do_step (VectorType &dst, const VectorType &prev, const VectorType &src, const bool backward) const |
void | initialize (const MatrixType &A, const AdditionalData ¶meters) |
void | clear () |
void | invert_diagblocks () |
Protected Member Functions inherited from PreconditionBlockBase< InverseNumberType > | |
PreconditionBlockBase (bool store_diagonals=false, Inversion method=gauss_jordan) | |
~PreconditionBlockBase ()=default | |
void | clear () |
void | reinit (unsigned int nblocks, size_type blocksize, bool compress, Inversion method=gauss_jordan) |
void | inverses_computed (bool are_they) |
bool | same_diagonal () const |
bool | store_diagonals () const |
bool | inverses_ready () const |
unsigned int | size () const |
void | inverse_vmult (size_type i, Vector< number2 > &dst, const Vector< number2 > &src) const |
void | inverse_Tvmult (size_type i, Vector< number2 > &dst, const Vector< number2 > &src) const |
FullMatrix< InverseNumberType > & | inverse (size_type i) |
const FullMatrix< InverseNumberType > & | inverse (size_type i) const |
Householder< InverseNumberType > & | inverse_householder (size_type i) |
const Householder< InverseNumberType > & | inverse_householder (size_type i) const |
LAPACKFullMatrix< InverseNumberType > & | inverse_svd (size_type i) |
const LAPACKFullMatrix< InverseNumberType > & | inverse_svd (size_type i) const |
FullMatrix< InverseNumberType > & | diagonal (size_type i) |
const FullMatrix< InverseNumberType > & | diagonal (size_type i) const |
void | log_statistics () const |
std::size_t | memory_consumption () const |
Static Protected Member Functions inherited from PreconditionBlockBase< InverseNumberType > | |
static ::ExceptionBase & | ExcDiagonalsNotStored () |
static ::ExceptionBase & | ExcInverseNotAvailable () |
Protected Attributes inherited from RelaxationBlock< MatrixType, InverseNumberType, VectorType > | |
SmartPointer< const MatrixType, RelaxationBlock< MatrixType, InverseNumberType, VectorType > > | A |
SmartPointer< const AdditionalData, RelaxationBlock< MatrixType, InverseNumberType, VectorType > > | additional_data |
Protected Attributes inherited from PreconditionBlockBase< InverseNumberType > | |
Inversion | inversion |
Block Gauss-Seidel method with possibly overlapping blocks.
This class implements the step() and Tstep() functions expected by the relaxation concept. They perform a multiplicative Schwarz method on the blocks provided in the block list of AdditionalData. Differing from PreconditionBlockSOR, these blocks may be of varying size, non-contiguous, and overlapping. On the other hand, this class does not implement the preconditioner interface expected by Solver objects.
Definition at line 371 of file relaxation_block.h.
typedef MatrixType::value_type RelaxationBlockSOR< MatrixType, InverseNumberType, VectorType >::number |
Default constructor. Define number type of matrix.
Definition at line 383 of file relaxation_block.h.
void RelaxationBlockSOR< MatrixType, InverseNumberType, VectorType >::step | ( | VectorType & | dst, |
const VectorType & | rhs | ||
) | const |
Perform one step of the SOR iteration.
void RelaxationBlockSOR< MatrixType, InverseNumberType, VectorType >::Tstep | ( | VectorType & | dst, |
const VectorType & | rhs | ||
) | const |
Perform one step of the transposed SOR iteration.
void RelaxationBlockSOR< MatrixType, InverseNumberType, VectorType >::vmult | ( | VectorType & | dst, |
const VectorType & | rhs | ||
) | const |
void RelaxationBlockSOR< MatrixType, InverseNumberType, VectorType >::Tvmult | ( | VectorType & | dst, |
const VectorType & | rhs | ||
) | const |
Implements a transpose vmult operation, which for this class first sets the dst() vector to zero before calling the Tstep() method.