mfem::BilinearFormExtension Class Reference

Class extending the BilinearForm class to support the different AssemblyLevels. More...

#include <bilinearform_ext.hpp>

Inheritance diagram for mfem::BilinearFormExtension:

Collaboration diagram for mfem::BilinearFormExtension:

Public Member Functions
	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...
virtual void	Assemble ()=0
virtual void	FormSystemMatrix (const Array< int > &ess_tdof_list, OperatorHandle &A)=0
virtual void	FormLinearSystem (const Array< int > &ess_tdof_list, Vector &x, Vector &b, OperatorHandle &A, Vector &X, Vector &B, int copy_interior=0)=0
virtual void	Update ()=0
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 void	Mult (const Vector &x, Vector &y) const =0
	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...
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
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

Class extending the BilinearForm class to support the different AssemblyLevels.

Definition at line 27 of file bilinearform_ext.hpp.

Constructor & Destructor Documentation

mfem::BilinearFormExtension::BilinearFormExtension

(

BilinearForm *

form

)

Definition at line 21 of file bilinearform_ext.cpp.

Member Function Documentation

virtual void mfem::BilinearFormExtension::Assemble ( )

pure virtual

Implemented in mfem::MFBilinearFormExtension, mfem::PABilinearFormExtension, mfem::EABilinearFormExtension, and mfem::FABilinearFormExtension.

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

pure virtual

Implemented in mfem::MFBilinearFormExtension, mfem::PABilinearFormExtension, mfem::EABilinearFormExtension, and mfem::FABilinearFormExtension.

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

pure virtual

Implemented in mfem::MFBilinearFormExtension, mfem::PABilinearFormExtension, mfem::EABilinearFormExtension, and mfem::FABilinearFormExtension.

virtual MemoryClass mfem::BilinearFormExtension::GetMemoryClass ( ) const

inlinevirtual

Return the MemoryClass preferred by the Operator.

This is the MemoryClass that will be used to access the input and output vectors in the Mult() and MultTranspose() methods.

For example, classes using the MFEM_FORALL macro for implementation can return the value returned by Device::GetMemoryClass().

The default implementation of this method in class Operator returns MemoryClass::HOST.

Reimplemented from mfem::Operator.

Definition at line 35 of file bilinearform_ext.hpp.

const Operator * mfem::BilinearFormExtension::GetProlongation ( ) const

virtual

Get the finite element space prolongation matrix.

Reimplemented from mfem::Operator.

Definition at line 27 of file bilinearform_ext.cpp.

const Operator * mfem::BilinearFormExtension::GetRestriction ( ) const

virtual

Get the finite element space restriction matrix.

Reimplemented from mfem::Operator.

Definition at line 32 of file bilinearform_ext.cpp.

virtual void mfem::BilinearFormExtension::Update ( )

pure virtual

Implemented in mfem::MFBilinearFormExtension, mfem::PABilinearFormExtension, mfem::EABilinearFormExtension, and mfem::FABilinearFormExtension.

Member Data Documentation

BilinearForm* mfem::BilinearFormExtension::a

protected

Not owned.

Definition at line 30 of file bilinearform_ext.hpp.

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

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