MFEM  v3.4 Finite element discretization library
mfem::ConformingProlongationOperator Class Reference

Auxiliary class used by ParFiniteElementSpace. More...

#include <pfespace.hpp>

Inheritance diagram for mfem::ConformingProlongationOperator:
[legend]
Collaboration diagram for mfem::ConformingProlongationOperator:
[legend]

## Public Member Functions

ConformingProlongationOperator (const ParFiniteElementSpace &pfes)

virtual void Mult (const Vector &x, Vector &y) const
Operator application: y=A(x). 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...

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 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...

## Protected Attributes

Array< int > external_ldofs

const GroupCommunicatorgc

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...

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...

## Detailed Description

Auxiliary class used by ParFiniteElementSpace.

Definition at line 366 of file pfespace.hpp.

## Constructor & Destructor Documentation

 mfem::ConformingProlongationOperator::ConformingProlongationOperator ( const ParFiniteElementSpace & pfes )

Definition at line 2656 of file pfespace.cpp.

## Member Function Documentation

 void mfem::ConformingProlongationOperator::Mult ( const Vector & x, Vector & y ) const
virtual

Operator application: y=A(x).

Implements mfem::Operator.

Definition at line 2699 of file pfespace.cpp.

 void mfem::ConformingProlongationOperator::MultTranspose ( const Vector & x, Vector & y ) const
virtual

Action of the transpose operator: y=A^t(x). The default behavior in class Operator is to generate an error.

Reimplemented from mfem::Operator.

Definition at line 2724 of file pfespace.cpp.

## Member Data Documentation

 Array mfem::ConformingProlongationOperator::external_ldofs
protected

Definition at line 369 of file pfespace.hpp.

 const GroupCommunicator& mfem::ConformingProlongationOperator::gc
protected

Definition at line 370 of file pfespace.hpp.

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