mfem::PABilinearFormExtension Class Reference

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	Assemble ()
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
	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...
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 *	trialFes
const FiniteElementSpace *	testFes
Vector	localX
Vector	localY
const Operator *	elem_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 }
	Enumeration defining IDs for some classes derived from Operator. More...

Detailed Description

Data and methods for partially-assembled bilinear forms.

Definition at line 95 of file bilinearform_ext.hpp.

Constructor & Destructor Documentation

mfem::PABilinearFormExtension::PABilinearFormExtension

(

BilinearForm *

form

)

Definition at line 39 of file bilinearform_ext.cpp.

Member Function Documentation

void mfem::PABilinearFormExtension::Assemble ( )

virtual

Implements mfem::BilinearFormExtension.

Definition at line 53 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 89 of file bilinearform_ext.cpp.

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

virtual

Implements mfem::BilinearFormExtension.

Definition at line 78 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 100 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 126 of file bilinearform_ext.cpp.

void mfem::PABilinearFormExtension::Update ( )

virtual

Implements mfem::BilinearFormExtension.

Definition at line 63 of file bilinearform_ext.cpp.

Member Data Documentation

const Operator* mfem::PABilinearFormExtension::elem_restrict_lex

protected

Definition at line 100 of file bilinearform_ext.hpp.

Vector mfem::PABilinearFormExtension::localX

mutableprotected

Definition at line 99 of file bilinearform_ext.hpp.

Vector mfem::PABilinearFormExtension::localY

mutableprotected

Definition at line 99 of file bilinearform_ext.hpp.

const FiniteElementSpace * mfem::PABilinearFormExtension::testFes

protected

Definition at line 98 of file bilinearform_ext.hpp.

const FiniteElementSpace* mfem::PABilinearFormExtension::trialFes

protected

Definition at line 98 of file bilinearform_ext.hpp.

---

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

• fem/bilinearform_ext.hpp
• fem/bilinearform_ext.cpp