Operator that converts FiniteElementSpace L-vectors to E-vectors. More...

#include <fespace.hpp>

Inheritance diagram for mfem::ElementRestriction:

Collaboration diagram for mfem::ElementRestriction:

Public Member Functions
	ElementRestriction (const FiniteElementSpace &, ElementDofOrdering)

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

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 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...

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
const FiniteElementSpace &	fes

const int	ne

const int	vdim

const bool	byvdim

const int	ndofs

const int	dof

const int	nedofs

Array< int >	offsets

Array< int >	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...

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...

Detailed Description

Operator that converts FiniteElementSpace L-vectors to E-vectors.

Objects of this type are typically created and owned by FiniteElementSpace objects, see FiniteElementSpace::GetElementRestriction().

Definition at line 880 of file fespace.hpp.

Constructor & Destructor Documentation

mfem::ElementRestriction::ElementRestriction	(	const FiniteElementSpace &	f,
		ElementDofOrdering	e_ordering
	)

Definition at line 2641 of file fespace.cpp.

Member Function Documentation

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

virtual

Operator application: y=A(x).

Implements mfem::Operator.

Definition at line 2715 of file fespace.cpp.

void mfem::ElementRestriction::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 2741 of file fespace.cpp.

Member Data Documentation

const bool mfem::ElementRestriction::byvdim

protected

Definition at line 886 of file fespace.hpp.

const int mfem::ElementRestriction::dof

protected

Definition at line 888 of file fespace.hpp.

const FiniteElementSpace& mfem::ElementRestriction::fes

protected

Definition at line 883 of file fespace.hpp.

Array<int> mfem::ElementRestriction::indices

protected

Definition at line 891 of file fespace.hpp.

const int mfem::ElementRestriction::ndofs

protected

Definition at line 887 of file fespace.hpp.

const int mfem::ElementRestriction::ne

protected

Definition at line 884 of file fespace.hpp.

const int mfem::ElementRestriction::nedofs

protected

Definition at line 889 of file fespace.hpp.

Array<int> mfem::ElementRestriction::offsets

protected

Definition at line 890 of file fespace.hpp.

const int mfem::ElementRestriction::vdim

protected

Definition at line 885 of file fespace.hpp.

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

fem/fespace.hpp
fem/fespace.cpp

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation