MFEM  v4.0
Finite element discretization library
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mfem::FiniteElementSpace::RefinementOperator Class Reference

GridFunction interpolation operator applicable after mesh refinement. More...

#include <fespace.hpp>

Inheritance diagram for mfem::FiniteElementSpace::RefinementOperator:
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Collaboration diagram for mfem::FiniteElementSpace::RefinementOperator:
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Public Member Functions

 RefinementOperator (const FiniteElementSpace *fespace, Table *old_elem_dof, int old_ndofs)
 
 RefinementOperator (const FiniteElementSpace *fespace, const FiniteElementSpace *coarse_fes)
 
virtual void Mult (const Vector &x, Vector &y) const
 Operator application: y=A(x). More...
 
virtual ~RefinementOperator ()
 
- 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 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 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::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::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

GridFunction interpolation operator applicable after mesh refinement.

Definition at line 162 of file fespace.hpp.

Constructor & Destructor Documentation

mfem::FiniteElementSpace::RefinementOperator::RefinementOperator ( const FiniteElementSpace fespace,
Table old_elem_dof,
int  old_ndofs 
)

Construct the operator based on the elem_dof table of the original (coarse) space. The class takes ownership of the table.

Definition at line 943 of file fespace.cpp.

mfem::FiniteElementSpace::RefinementOperator::RefinementOperator ( const FiniteElementSpace fespace,
const FiniteElementSpace coarse_fes 
)

Definition at line 961 of file fespace.cpp.

mfem::FiniteElementSpace::RefinementOperator::~RefinementOperator ( )
virtual

Definition at line 978 of file fespace.cpp.

Member Function Documentation

void mfem::FiniteElementSpace::RefinementOperator::Mult ( const Vector x,
Vector y 
) const
virtual

Operator application: y=A(x).

Implements mfem::Operator.

Definition at line 984 of file fespace.cpp.


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