Data and methods for partially-assembled bilinear forms. More...

#include <bilinearform_ext.hpp>

Inheritance diagram for mfem::PABilinearFormExtension:

Collaboration diagram for mfem::PABilinearFormExtension:

Public Member Functions
	PABilinearFormExtension (BilinearForm *)

void	SetupRestrictionOperators ()

void	Assemble ()

void	AssembleDiagonal (Vector &diag) const

void	FormSystemMatrix (const Array< int > &ess_tdof_list, OperatorHandle &A)

void	FormLinearSystem (const Array< int > &ess_tdof_list, Vector &x, Vector &b, OperatorHandle &A, Vector &X, Vector &B, int copy_interior=0)

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...

void	Update ()

Public Member Functions inherited from mfem::BilinearFormExtension
	BilinearFormExtension (BilinearForm *form)

virtual MemoryClass	GetMemoryClass () const
	Return the MemoryClass preferred by the Operator. More...

virtual const Operator *	GetProlongation () const
	Get the finite element space prolongation matrix. More...

virtual const Operator *	GetRestriction () const
	Get the finite element space restriction matrix. 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 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 *	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...

Protected Attributes
const FiniteElementSpace *	trialFes

const FiniteElementSpace *	testFes

Vector	localX

Vector	localY

Vector	faceIntX

Vector	faceIntY

Vector	faceBdrX

Vector	faceBdrY

const Operator *	elem_restrict

const Operator *	int_face_restrict_lex

const Operator *	bdr_face_restrict_lex

Protected Attributes inherited from mfem::BilinearFormExtension
BilinearForm *	a
	Not owned. 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...

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, Complex_Operator, MFEM_ComplexSparseMat, Complex_Hypre_ParCSR }
	Enumeration defining IDs for some classes derived from Operator. More...

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...

Detailed Description

Data and methods for partially-assembled bilinear forms.

Definition at line 102 of file bilinearform_ext.hpp.

Constructor & Destructor Documentation

mfem::PABilinearFormExtension::PABilinearFormExtension ( BilinearForm * form )

Definition at line 40 of file bilinearform_ext.cpp.

Member Function Documentation

void mfem::PABilinearFormExtension::Assemble ( )

virtual

Implements mfem::BilinearFormExtension.

Definition at line 84 of file bilinearform_ext.cpp.

void mfem::PABilinearFormExtension::AssembleDiagonal ( Vector & diag ) const

virtual

Reimplemented from mfem::BilinearFormExtension.

Definition at line 110 of file bilinearform_ext.cpp.

void mfem::PABilinearFormExtension::FormLinearSystem	(	const Array< int > &	ess_tdof_list,
		Vector &	x,
		Vector &	b,
		OperatorHandle &	A,
		Vector &	X,
		Vector &	B,
		int	copy_interior = `0`
	)

virtual

Implements mfem::BilinearFormExtension.

Definition at line 164 of file bilinearform_ext.cpp.

void mfem::PABilinearFormExtension::FormSystemMatrix	(	const Array< int > &	ess_tdof_list,
		OperatorHandle &	A
	)

virtual

Implements mfem::BilinearFormExtension.

Definition at line 156 of file bilinearform_ext.cpp.

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

virtual

Operator application: y=A(x).

Implements mfem::Operator.

Definition at line 175 of file bilinearform_ext.cpp.

void mfem::PABilinearFormExtension::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 233 of file bilinearform_ext.cpp.

void mfem::PABilinearFormExtension::SetupRestrictionOperators ( )

Definition at line 50 of file bilinearform_ext.cpp.

void mfem::PABilinearFormExtension::Update ( )

virtual

Implements mfem::BilinearFormExtension.

Definition at line 144 of file bilinearform_ext.cpp.

Member Data Documentation

const Operator* mfem::PABilinearFormExtension::bdr_face_restrict_lex

protected

Definition at line 111 of file bilinearform_ext.hpp.

const Operator* mfem::PABilinearFormExtension::elem_restrict

protected

Definition at line 109 of file bilinearform_ext.hpp.

Vector mfem::PABilinearFormExtension::faceBdrX

mutableprotected

Definition at line 108 of file bilinearform_ext.hpp.

Vector mfem::PABilinearFormExtension::faceBdrY

mutableprotected

Definition at line 108 of file bilinearform_ext.hpp.

Vector mfem::PABilinearFormExtension::faceIntX

mutableprotected

Definition at line 107 of file bilinearform_ext.hpp.

Vector mfem::PABilinearFormExtension::faceIntY

mutableprotected

Definition at line 107 of file bilinearform_ext.hpp.

const Operator* mfem::PABilinearFormExtension::int_face_restrict_lex

protected

Definition at line 110 of file bilinearform_ext.hpp.

Vector mfem::PABilinearFormExtension::localX

mutableprotected

Definition at line 106 of file bilinearform_ext.hpp.

Vector mfem::PABilinearFormExtension::localY

mutableprotected

Definition at line 106 of file bilinearform_ext.hpp.

const FiniteElementSpace * mfem::PABilinearFormExtension::testFes

protected

Definition at line 105 of file bilinearform_ext.hpp.

const FiniteElementSpace* mfem::PABilinearFormExtension::trialFes

protected

Definition at line 105 of file bilinearform_ext.hpp.

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

fem/bilinearform_ext.hpp
fem/bilinearform_ext.cpp

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation