 |
MFEM
v4.2.0
Finite element discretization library
|
|
MFEM
v4.2.0
Finite element discretization library
|
Operator that extracts Face degrees of freedom in parallel. More...
#include <prestriction.hpp>
Public Member Functions | |
| ParL2FaceRestriction (const ParFiniteElementSpace &, ElementDofOrdering, FaceType type, L2FaceValues m=L2FaceValues::DoubleValued) | |
| void | Mult (const Vector &x, Vector &y) const |
Operator application: y=A(x). More... | |
| void | FillI (SparseMatrix &mat, SparseMatrix &face_mat) const |
| void | FillJAndData (const Vector &ea_data, SparseMatrix &mat, SparseMatrix &face_mat) const |
 Public Member Functions inherited from mfem::L2FaceRestriction | |
| L2FaceRestriction (const FiniteElementSpace &, const ElementDofOrdering, const FaceType, const L2FaceValues m=L2FaceValues::DoubleValued) | |
| 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... | |
| void | AddFaceMatricesToElementMatrices (Vector &fea_data, Vector &ea_data) const |
| This methods adds the DG face matrices to the element matrices. 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 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 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 * | 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... | |
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... | |
| Protected Member Functions inherited from mfem::L2FaceRestriction | |
| L2FaceRestriction (const FiniteElementSpace &, const FaceType, const L2FaceValues m=L2FaceValues::DoubleValued) | |
| 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, taking in input/output Prolongation matrices. More... | |
| Protected Attributes inherited from mfem::L2FaceRestriction | |
| const FiniteElementSpace & | fes |
| const int | nf |
| const int | ne |
| const int | vdim |
| const bool | byvdim |
| const int | ndofs |
| const int | dof |
| const int | elemDofs |
| const L2FaceValues | m |
| const int | nfdofs |
| Array< int > | scatter_indices1 |
| Array< int > | scatter_indices2 |
| Array< int > | offsets |
| Array< int > | gather_indices |
| 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... | |
Operator that extracts Face degrees of freedom in parallel.
Objects of this type are typically created and owned by FiniteElementSpace objects, see FiniteElementSpace::GetFaceRestriction().
Definition at line 29 of file prestriction.hpp.
| mfem::ParL2FaceRestriction::ParL2FaceRestriction | ( | const ParFiniteElementSpace & | fes, |
| ElementDofOrdering | e_ordering, | ||
| FaceType | type, | ||
| L2FaceValues | m = L2FaceValues::DoubleValued |
||
| ) |
Definition at line 26 of file prestriction.cpp.
|
virtual |
Fill the I array of SparseMatrix corresponding to the sparsity pattern given by this ParL2FaceRestriction.
Reimplemented from mfem::L2FaceRestriction.
Definition at line 337 of file prestriction.cpp.
|
virtual |
Fill the J and Data arrays of SparseMatrix corresponding to the sparsity pattern given by this ParL2FaceRestriction, and the values of ea_data.
Reimplemented from mfem::L2FaceRestriction.
Definition at line 389 of file prestriction.cpp.
Operator application: y=A(x).
Reimplemented from mfem::L2FaceRestriction.
Definition at line 262 of file prestriction.cpp.
1.8.5
