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MFEM
v4.3.0
Finite element discretization library
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MFEM
v4.3.0
Finite element discretization library
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#include <ginkgo.hpp>
Public Member Functions | |
| GMRESSolver (GinkgoExecutor &exec, int dim=0) | |
| GMRESSolver (GinkgoExecutor &exec, const GinkgoPreconditioner &preconditioner, int dim=0) | |
| void | SetKDim (int dim) |
 Public Member Functions inherited from mfem::Ginkgo::EnableGinkgoSolver< gko::solver::Gmres< double > > | |
| EnableGinkgoSolver (GinkgoExecutor &exec, bool use_implicit_res_norm) | |
| void | SetRelTol (double rtol) |
| void | SetAbsTol (double atol) |
| void | SetMaxIter (int max_it) |
| Public Member Functions inherited from mfem::Ginkgo::GinkgoIterativeSolver | |
| const std::shared_ptr < gko::LinOpFactory > | GetFactory () const |
| void | SetPrintLevel (int print_lvl) |
| int | GetNumIterations () const |
| int | GetConverged () const |
| double | GetFinalNorm () const |
| virtual void | SetOperator (const Operator &op) |
| virtual void | Mult (const Vector &x, Vector &y) const |
| bool | UsesVectorWrappers () const |
| virtual | ~GinkgoIterativeSolver ()=default |
| Public Member Functions inherited from mfem::Solver | |
| Solver (int s=0, bool iter_mode=false) | |
| Initialize a square Solver with size s. More... | |
| Solver (int h, int w, bool iter_mode=false) | |
| Initialize a Solver with height h and width w. More... | |
| Public Member Functions inherited from mfem::Operator | |
| void | InitTVectors (const Operator *Po, const Operator *Ri, const Operator *Pi, Vector &x, Vector &b, Vector &X, Vector &B) const |
| Initializes memory for true vectors of linear system. More... | |
| Operator (int s=0) | |
| Construct a square Operator with given size s (default 0). More... | |
| Operator (int h, int w) | |
| Construct an Operator with the given height (output size) and width (input size). More... | |
| int | Height () const |
| Get the height (size of output) of the Operator. Synonym with NumRows(). More... | |
| int | NumRows () const |
| Get the number of rows (size of output) of the Operator. Synonym with Height(). More... | |
| int | Width () const |
| Get the width (size of input) of the Operator. Synonym with NumCols(). More... | |
| int | NumCols () const |
| Get the number of columns (size of input) of the Operator. Synonym with Width(). More... | |
| virtual MemoryClass | GetMemoryClass () const |
| Return the MemoryClass preferred by the Operator. More... | |
| virtual void | MultTranspose (const Vector &x, Vector &y) const |
Action of the transpose operator: y=A^t(x). The default behavior in class Operator is to generate an error. More... | |
| virtual Operator & | GetGradient (const Vector &x) const |
| Evaluate the gradient operator at the point x. The default behavior in class Operator is to generate an error. More... | |
| virtual void | AssembleDiagonal (Vector &diag) const |
| Computes the diagonal entries into diag. Typically, this operation only makes sense for linear Operators. In some cases, only an approximation of the diagonal is computed. More... | |
| virtual const Operator * | GetProlongation () const |
Prolongation operator from linear algebra (linear system) vectors, to input vectors for the operator. NULL means identity. More... | |
| virtual const Operator * | GetRestriction () const |
Restriction operator from input vectors for the operator to linear algebra (linear system) vectors. NULL means identity. More... | |
| virtual const Operator * | GetOutputProlongation () const |
Prolongation operator from linear algebra (linear system) vectors, to output vectors for the operator. NULL means identity. More... | |
| virtual const Operator * | GetOutputRestrictionTranspose () const |
| Transpose of GetOutputRestriction, directly available in this form to facilitate matrix-free RAP-type operators. More... | |
| virtual const Operator * | GetOutputRestriction () const |
Restriction operator from output vectors for the operator to linear algebra (linear system) vectors. NULL means identity. More... | |
| void | FormLinearSystem (const Array< int > &ess_tdof_list, Vector &x, Vector &b, Operator *&A, Vector &X, Vector &B, int copy_interior=0) |
| Form a constrained linear system using a matrix-free approach. More... | |
| void | FormRectangularLinearSystem (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, Vector &x, Vector &b, Operator *&A, Vector &X, Vector &B) |
| Form a column-constrained linear system using a matrix-free approach. More... | |
| virtual void | RecoverFEMSolution (const Vector &X, const Vector &b, Vector &x) |
| Reconstruct a solution vector x (e.g. a GridFunction) from the solution X of a constrained linear system obtained from Operator::FormLinearSystem() or Operator::FormRectangularLinearSystem(). More... | |
| void | FormSystemOperator (const Array< int > &ess_tdof_list, Operator *&A) |
| Return in A a parallel (on truedofs) version of this square operator. More... | |
| void | FormRectangularSystemOperator (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, Operator *&A) |
| Return in A a parallel (on truedofs) version of this rectangular operator (including constraints). More... | |
| void | FormDiscreteOperator (Operator *&A) |
| Return in A a parallel (on truedofs) version of this rectangular operator. More... | |
| void | PrintMatlab (std::ostream &out, int n=0, int m=0) const |
| Prints operator with input size n and output size m in Matlab format. More... | |
| virtual | ~Operator () |
| Virtual destructor. More... | |
| Type | GetType () const |
| Return the type ID of the Operator class. More... | |
Protected Attributes | |
| int | m |
| Protected Attributes inherited from mfem::Ginkgo::GinkgoIterativeSolver | |
| bool | use_implicit_res_norm |
| int | print_level |
| int | max_iter |
| double | rel_tol |
| double | abs_tol |
| double | final_norm |
| int | final_iter |
| int | converged |
| std::shared_ptr < gko::LinOpFactory > | solver_gen |
| std::shared_ptr< gko::LinOp > | solver |
| std::shared_ptr < gko::stop::ResidualNorm <>::Factory > | rel_criterion |
| std::shared_ptr < gko::stop::ResidualNorm <>::Factory > | abs_criterion |
| std::shared_ptr < gko::stop::ImplicitResidualNorm <>::Factory > | imp_rel_criterion |
| std::shared_ptr < gko::stop::ImplicitResidualNorm <>::Factory > | imp_abs_criterion |
| std::shared_ptr < gko::log::Convergence<> > | convergence_logger |
| std::shared_ptr< ResidualLogger<> > | residual_logger |
| std::shared_ptr < gko::stop::Combined::Factory > | combined_factory |
| std::shared_ptr< gko::Executor > | executor |
| bool | needs_wrapped_vecs |
| bool | sub_op_needs_wrapped_vecs |
| Protected Attributes inherited from mfem::Operator | |
| int | height |
| Dimension of the output / number of rows in the matrix. More... | |
| int | width |
| Dimension of the input / number of columns in the matrix. More... | |
Additional Inherited Members | |
| Public Types inherited from mfem::Operator | |
| enum | DiagonalPolicy { DIAG_ZERO, DIAG_ONE, DIAG_KEEP } |
| Defines operator diagonal policy upon elimination of rows and/or columns. More... | |
| enum | Type { ANY_TYPE, MFEM_SPARSEMAT, Hypre_ParCSR, PETSC_MATAIJ, PETSC_MATIS, PETSC_MATSHELL, PETSC_MATNEST, PETSC_MATHYPRE, PETSC_MATGENERIC, Complex_Operator, MFEM_ComplexSparseMat, Complex_Hypre_ParCSR } |
| Enumeration defining IDs for some classes derived from Operator. More... | |
| Public Attributes inherited from mfem::Solver | |
| bool | iterative_mode |
| If true, use the second argument of Mult() as an initial guess. More... | |
| Protected Member Functions inherited from mfem::Ginkgo::GinkgoIterativeSolver | |
| GinkgoIterativeSolver (GinkgoExecutor &exec, bool use_implicit_res_norm) | |
| void | update_stop_factory () |
| Protected Member Functions inherited from mfem::Operator | |
| void | FormConstrainedSystemOperator (const Array< int > &ess_tdof_list, ConstrainedOperator *&Aout) |
| see FormSystemOperator() More... | |
| void | FormRectangularConstrainedSystemOperator (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, RectangularConstrainedOperator *&Aout) |
| see FormRectangularSystemOperator() More... | |
| Operator * | SetupRAP (const Operator *Pi, const Operator *Po) |
| Returns RAP Operator of this, using input/output Prolongation matrices Pi corresponds to "P", Po corresponds to "Rt". More... | |
An implementation of the solver interface using the Ginkgo GMRES solver.
Definition at line 935 of file ginkgo.hpp.
| mfem::Ginkgo::GMRESSolver::GMRESSolver | ( | GinkgoExecutor & | exec, |
| int | dim = 0 |
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| ) |
Constructor.
| [in] | exec | The execution paradigm for the solver. |
| [in] | dim | The Krylov dimension of the solver. Value of 0 will let Ginkgo use its own internal default value. |
Definition at line 624 of file ginkgo.cpp.
| mfem::Ginkgo::GMRESSolver::GMRESSolver | ( | GinkgoExecutor & | exec, |
| const GinkgoPreconditioner & | preconditioner, | ||
| int | dim = 0 |
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| ) |
Constructor.
| [in] | exec | The execution paradigm for the solver. |
| [in] | preconditioner | The preconditioner for the solver. |
| [in] | dim | The Krylov dimension of the solver. Value of 0 will let Ginkgo use its own internal default value. |
Definition at line 644 of file ginkgo.cpp.
| void mfem::Ginkgo::GMRESSolver::SetKDim | ( | int | dim | ) |
Change the Krylov dimension of the solver.
Definition at line 703 of file ginkgo.cpp.
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protected |
Definition at line 965 of file ginkgo.hpp.
1.8.5
