MFEM  v4.0
Finite element discretization library
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mfem::miniapps::ParDiscreteDivOperator Class Reference

#include <pfem_extras.hpp>

Inheritance diagram for mfem::miniapps::ParDiscreteDivOperator:
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Collaboration diagram for mfem::miniapps::ParDiscreteDivOperator:
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Public Member Functions

 ParDiscreteDivOperator (ParFiniteElementSpace *dfes, ParFiniteElementSpace *rfes)
 
- Public Member Functions inherited from mfem::miniapps::ParDiscreteInterpolationOperator
 ParDiscreteInterpolationOperator (ParFiniteElementSpace *dfes, ParFiniteElementSpace *rfes)
 
virtual ~ParDiscreteInterpolationOperator ()
 
- Public Member Functions inherited from mfem::ParDiscreteLinearOperator
 ParDiscreteLinearOperator (ParFiniteElementSpace *dfes, ParFiniteElementSpace *rfes)
 Construct a ParDiscreteLinearOperator on the given FiniteElementSpaces dfes (domain FE space) and rfes (range FE space). More...
 
HypreParMatrixParallelAssemble () const
 Returns the matrix "assembled" on the true dofs. More...
 
void GetParBlocks (Array2D< HypreParMatrix * > &blocks) const
 
virtual ~ParDiscreteLinearOperator ()
 
- Public Member Functions inherited from mfem::DiscreteLinearOperator
 DiscreteLinearOperator (FiniteElementSpace *domain_fes, FiniteElementSpace *range_fes)
 Construct a DiscreteLinearOperator on the given FiniteElementSpaces domain_fes and range_fes. More...
 
void AddDomainInterpolator (DiscreteInterpolator *di)
 Adds a domain interpolator. Assumes ownership of di. More...
 
void AddTraceFaceInterpolator (DiscreteInterpolator *di)
 Adds a trace face interpolator. Assumes ownership of di. More...
 
Array< BilinearFormIntegrator * > * GetDI ()
 Access all interpolators added with AddDomainInterpolator(). More...
 
virtual void Assemble (int skip_zeros=1)
 Construct the internal matrix representation of the discrete linear operator. More...
 
- Public Member Functions inherited from mfem::MixedBilinearForm
 MixedBilinearForm (FiniteElementSpace *tr_fes, FiniteElementSpace *te_fes)
 Construct a MixedBilinearForm on the given trial, tr_fes, and test, te_fes, FiniteElementSpaces. More...
 
 MixedBilinearForm (FiniteElementSpace *tr_fes, FiniteElementSpace *te_fes, MixedBilinearForm *mbf)
 Create a MixedBilinearForm on the given trial, tr_fes, and test, te_fes, FiniteElementSpaces, using the same integrators as the MixedBilinearForm mbf. More...
 
virtual double & Elem (int i, int j)
 Returns reference to a_{ij}. More...
 
virtual const double & Elem (int i, int j) const
 Returns constant reference to a_{ij}. More...
 
virtual void Mult (const Vector &x, Vector &y) const
 Operator application: y=A(x). More...
 
virtual void AddMult (const Vector &x, Vector &y, const double a=1.0) const
 
virtual void AddMultTranspose (const Vector &x, Vector &y, const double a=1.0) const
 
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 MatrixInverseInverse () const
 Returns a pointer to (an approximation) of the matrix inverse. More...
 
virtual void Finalize (int skip_zeros=1)
 Finalizes the matrix initialization. More...
 
void GetBlocks (Array2D< SparseMatrix * > &blocks) const
 
const SparseMatrixSpMat () const
 
SparseMatrixSpMat ()
 
SparseMatrixLoseMat ()
 
void AddDomainIntegrator (BilinearFormIntegrator *bfi)
 Adds a domain integrator. Assumes ownership of bfi. More...
 
void AddBoundaryIntegrator (BilinearFormIntegrator *bfi)
 Adds a boundary integrator. Assumes ownership of bfi. More...
 
void AddTraceFaceIntegrator (BilinearFormIntegrator *bfi)
 Add a trace face integrator. Assumes ownership of bfi. More...
 
Array< BilinearFormIntegrator * > * GetDBFI ()
 Access all integrators added with AddDomainIntegrator(). More...
 
Array< BilinearFormIntegrator * > * GetBBFI ()
 Access all integrators added with AddBoundaryIntegrator(). More...
 
Array< BilinearFormIntegrator * > * GetTFBFI ()
 Access all integrators added with AddTraceFaceIntegrator(). More...
 
void operator= (const double a)
 
void Assemble (int skip_zeros=1)
 
void ConformingAssemble ()
 
void EliminateTrialDofs (Array< int > &bdr_attr_is_ess, const Vector &sol, Vector &rhs)
 
void EliminateEssentialBCFromTrialDofs (Array< int > &marked_vdofs, const Vector &sol, Vector &rhs)
 
virtual void EliminateTestDofs (Array< int > &bdr_attr_is_ess)
 
void Update ()
 
virtual ~MixedBilinearForm ()
 
- Public Member Functions inherited from mfem::Matrix
 Matrix (int s)
 Creates a square matrix of size s. More...
 
 Matrix (int h, int w)
 Creates a matrix of the given height and width. More...
 
virtual void Print (std::ostream &out=mfem::out, int width_=4) const
 Prints matrix to stream out. More...
 
virtual ~Matrix ()
 Destroys matrix. More...
 
- Public Member Functions inherited from mfem::Operator
 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 OperatorGetGradient (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 OperatorGetProlongation () const
 Prolongation operator from linear algebra (linear system) vectors, to input vectors for the operator. NULL means identity. More...
 
virtual const OperatorGetRestriction () const
 Restriction operator from input 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...
 
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(). 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::Matrix
enum  DiagonalPolicy { DIAG_ZERO, DIAG_ONE, DIAG_KEEP }
 
- Public Types inherited from mfem::Operator
enum  Type {
  ANY_TYPE, MFEM_SPARSEMAT, Hypre_ParCSR, PETSC_MATAIJ,
  PETSC_MATIS, PETSC_MATSHELL, PETSC_MATNEST, PETSC_MATHYPRE,
  PETSC_MATGENERIC
}
 Enumeration defining IDs for some classes derived from Operator. More...
 
- Protected Attributes inherited from mfem::ParDiscreteLinearOperator
ParFiniteElementSpacedomain_fes
 Points to the same object as trial_fes. More...
 
ParFiniteElementSpacerange_fes
 Points to the same object as test_fes. More...
 
- Protected Attributes inherited from mfem::MixedBilinearForm
SparseMatrixmat
 Owned. More...
 
FiniteElementSpacetrial_fes
 Not owned. More...
 
FiniteElementSpacetest_fes
 Not owned. More...
 
int extern_bfs
 Indicates the BilinearFormIntegrators stored in dom, bdr, and skt are owned by another MixedBilinearForm. More...
 
Array< BilinearFormIntegrator * > dom
 Domain integrators. More...
 
Array< BilinearFormIntegrator * > bdr
 Boundary integrators. More...
 
Array< BilinearFormIntegrator * > skt
 Trace face (skeleton) integrators. More...
 
- 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...
 

Detailed Description

Definition at line 108 of file pfem_extras.hpp.

Constructor & Destructor Documentation

mfem::miniapps::ParDiscreteDivOperator::ParDiscreteDivOperator ( ParFiniteElementSpace dfes,
ParFiniteElementSpace rfes 
)

Definition at line 90 of file pfem_extras.cpp.


The documentation for this class was generated from the following files: