#include <bilininteg.hpp>

Inheritance diagram for mfem::MixedScalarIntegrator:

Collaboration diagram for mfem::MixedScalarIntegrator:

Public Member Functions
virtual void	AssembleElementMatrix2 (const FiniteElement &trial_fe, const FiniteElement &test_fe, ElementTransformation &Trans, DenseMatrix &elmat)

virtual void	AssembleElementMatrix (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &elmat)
	Support for use in BilinearForm. Can be used only when appropriate.

Public Member Functions inherited from mfem::BilinearFormIntegrator
virtual void	AssemblePA (const FiniteElementSpace &fes)
	Method defining partial assembly.

virtual void	AssemblePA (const FiniteElementSpace &trial_fes, const FiniteElementSpace &test_fes)

virtual void	AssembleNURBSPA (const FiniteElementSpace &fes)
	Method defining partial assembly on NURBS patches.

virtual void	AssemblePABoundary (const FiniteElementSpace &fes)

virtual void	AssemblePAInteriorFaces (const FiniteElementSpace &fes)

virtual void	AssemblePABoundaryFaces (const FiniteElementSpace &fes)

virtual void	AssembleDiagonalPA (Vector &diag)
	Assemble diagonal and add it to Vector diag.

virtual void	AssembleDiagonalPA_ADAt (const Vector &D, Vector &diag)
	Assemble diagonal of \(A D A^T\) ( \(A\) is this integrator) and add it to diag.

virtual void	AddMultPA (const Vector &x, Vector &y) const
	Method for partially assembled action.

virtual void	AddMultNURBSPA (const Vector &x, Vector &y) const
	Method for partially assembled action on NURBS patches.

virtual void	AddMultTransposePA (const Vector &x, Vector &y) const
	Method for partially assembled transposed action.

virtual void	AssembleEA (const FiniteElementSpace &fes, Vector &emat, const bool add=true)
	Method defining element assembly.

virtual void	AssembleMF (const FiniteElementSpace &fes)
	Method defining matrix-free assembly.

virtual void	AddMultMF (const Vector &x, Vector &y) const

virtual void	AddMultTransposeMF (const Vector &x, Vector &y) const

virtual void	AssembleDiagonalMF (Vector &diag)
	Assemble diagonal and add it to Vector diag.

virtual void	AssembleEAInteriorFaces (const FiniteElementSpace &fes, Vector &ea_data_int, Vector &ea_data_ext, const bool add=true)

virtual void	AssembleEABoundaryFaces (const FiniteElementSpace &fes, Vector &ea_data_bdr, const bool add=true)

virtual void	AssemblePatchMatrix (const int patch, const FiniteElementSpace &fes, SparseMatrix *&smat)

virtual void	AssembleFaceMatrix (const FiniteElement &el1, const FiniteElement &el2, FaceElementTransformations &Trans, DenseMatrix &elmat)

virtual void	AssembleFaceMatrix (const FiniteElement &trial_face_fe, const FiniteElement &test_fe1, const FiniteElement &test_fe2, FaceElementTransformations &Trans, DenseMatrix &elmat)

virtual void	AssembleTraceFaceMatrix (int elem, const FiniteElement &trial_face_fe, const FiniteElement &test_fe, FaceElementTransformations &Trans, DenseMatrix &elmat)

virtual void	AssembleElementVector (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun, Vector &elvect)
	Perform the local action of the BilinearFormIntegrator. Note that the default implementation in the base class is general but not efficient.

virtual void	AssembleFaceVector (const FiniteElement &el1, const FiniteElement &el2, FaceElementTransformations &Tr, const Vector &elfun, Vector &elvect)
	Perform the local action of the BilinearFormIntegrator resulting from a face integral term. Note that the default implementation in the base class is general but not efficient.

virtual void	AssembleElementGrad (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun, DenseMatrix &elmat)
	Assemble the local gradient matrix.

virtual void	AssembleFaceGrad (const FiniteElement &el1, const FiniteElement &el2, FaceElementTransformations &Tr, const Vector &elfun, DenseMatrix &elmat)
	Assemble the local action of the gradient of the NonlinearFormIntegrator resulting from a face integral term.

virtual void	ComputeElementFlux (const FiniteElement &el, ElementTransformation &Trans, Vector &u, const FiniteElement &fluxelem, Vector &flux, bool with_coef=true, const IntegrationRule *ir=NULL)
	Virtual method required for Zienkiewicz-Zhu type error estimators.

virtual real_t	ComputeFluxEnergy (const FiniteElement &fluxelem, ElementTransformation &Trans, Vector &flux, Vector *d_energy=NULL)
	Virtual method required for Zienkiewicz-Zhu type error estimators.

virtual bool	RequiresFaceNormalDerivatives () const
	For bilinear forms on element faces, specifies if the normal derivatives are needed on the faces or just the face restriction.

virtual void	AddMultPAFaceNormalDerivatives (const Vector &x, const Vector &dxdn, Vector &y, Vector &dydn) const
	Method for partially assembled action.

virtual	~BilinearFormIntegrator ()

Public Member Functions inherited from mfem::NonlinearFormIntegrator
virtual void	SetIntRule (const IntegrationRule *ir)
	Prescribe a fixed IntegrationRule to use (when ir != NULL) or let the integrator choose (when ir == NULL).

void	SetIntegrationMode (Mode m)

void	SetNURBSPatchIntRule (NURBSMeshRules *pr)
	For patchwise integration, SetNURBSPatchIntRule must be called.

bool	HasNURBSPatchIntRule () const

bool	Patchwise () const

void	SetIntegrationRule (const IntegrationRule &ir)
	Prescribe a fixed IntegrationRule to use.

void	SetPAMemoryType (MemoryType mt)

const IntegrationRule *	GetIntegrationRule () const
	Get the integration rule of the integrator (possibly NULL).

virtual real_t	GetElementEnergy (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun)
	Compute the local energy.

virtual void	AssembleGradPA (const Vector &x, const FiniteElementSpace &fes)
	Prepare the integrator for partial assembly (PA) gradient evaluations on the given FE space fes at the state x.

virtual real_t	GetLocalStateEnergyPA (const Vector &x) const
	Compute the local (to the MPI rank) energy with partial assembly.

virtual void	AddMultGradPA (const Vector &x, Vector &y) const
	Method for partially assembled gradient action.

virtual void	AssembleGradDiagonalPA (Vector &diag) const
	Method for computing the diagonal of the gradient with partial assembly.

virtual bool	SupportsCeed () const
	Indicates whether this integrator can use a Ceed backend.

ceed::Operator &	GetCeedOp ()

virtual	~NonlinearFormIntegrator ()

Protected Member Functions
	MixedScalarIntegrator ()

	MixedScalarIntegrator (Coefficient &q)

virtual bool	VerifyFiniteElementTypes (const FiniteElement &trial_fe, const FiniteElement &test_fe) const

virtual const char *	FiniteElementTypeFailureMessage () const

virtual int	GetIntegrationOrder (const FiniteElement &trial_fe, const FiniteElement &test_fe, ElementTransformation &Trans)

virtual void	CalcTestShape (const FiniteElement &test_fe, ElementTransformation &Trans, Vector &shape)

virtual void	CalcTrialShape (const FiniteElement &trial_fe, ElementTransformation &Trans, Vector &shape)

Protected Member Functions inherited from mfem::BilinearFormIntegrator
	BilinearFormIntegrator (const IntegrationRule *ir=NULL)

Protected Member Functions inherited from mfem::NonlinearFormIntegrator
	NonlinearFormIntegrator (const IntegrationRule *ir=NULL)

Protected Attributes
bool	same_calc_shape

Coefficient *	Q

Protected Attributes inherited from mfem::NonlinearFormIntegrator
const IntegrationRule *	IntRule

Mode	integrationMode = Mode::ELEMENTWISE

NURBSMeshRules *	patchRules = nullptr

ceed::Operator *	ceedOp

MemoryType	pa_mt = MemoryType::DEFAULT

Additional Inherited Members
Public Types inherited from mfem::NonlinearFormIntegrator
enum	Mode { ELEMENTWISE = 0 , PATCHWISE = 1 , PATCHWISE_REDUCED = 2 }

Detailed Description

An abstract class for integrating the product of two scalar basis functions with an optional scalar coefficient.

Definition at line 495 of file bilininteg.hpp.

Constructor & Destructor Documentation

◆ MixedScalarIntegrator() [1/2]

mfem::MixedScalarIntegrator::MixedScalarIntegrator ( )

inlineprotected

Definition at line 516 of file bilininteg.hpp.

◆ MixedScalarIntegrator() [2/2]

mfem::MixedScalarIntegrator::MixedScalarIntegrator ( Coefficient & q )

inlineprotected

Definition at line 517 of file bilininteg.hpp.

Member Function Documentation

◆ AssembleElementMatrix()

virtual void mfem::MixedScalarIntegrator::AssembleElementMatrix	(	const FiniteElement &	fe,
		ElementTransformation &	Trans,
		DenseMatrix &	elmat )

inlinevirtual

Support for use in BilinearForm. Can be used only when appropriate.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 505 of file bilininteg.hpp.

◆ AssembleElementMatrix2()

void mfem::MixedScalarIntegrator::AssembleElementMatrix2	(	const FiniteElement &	trial_fe,
		const FiniteElement &	test_fe,
		ElementTransformation &	Trans,
		DenseMatrix &	elmat )

virtual

Compute the local matrix representation of a bilinear form \(a(u,v)\) defined on different trial (given by \(u\)) and test (given by \(v\)) spaces. The rows in the local matrix correspond to the test dofs and the columns – to the trial dofs.

Reimplemented from mfem::BilinearFormIntegrator.

Definition at line 464 of file bilininteg.cpp.

◆ CalcTestShape()

virtual void mfem::MixedScalarIntegrator::CalcTestShape	(	const FiniteElement &	test_fe,
		ElementTransformation &	Trans,
		Vector &	shape )

inlineprotectedvirtual

Reimplemented in mfem::MixedScalarWeakCurlIntegrator, mfem::MixedScalarWeakDerivativeIntegrator, and mfem::MixedScalarWeakGradientIntegrator.

Definition at line 539 of file bilininteg.hpp.

◆ CalcTrialShape()

virtual void mfem::MixedScalarIntegrator::CalcTrialShape	(	const FiniteElement &	trial_fe,
		ElementTransformation &	Trans,
		Vector &	shape )

inlineprotectedvirtual

Reimplemented in mfem::MixedScalarCurlIntegrator, mfem::MixedScalarDerivativeIntegrator, and mfem::MixedScalarDivergenceIntegrator.

Definition at line 544 of file bilininteg.hpp.

◆ FiniteElementTypeFailureMessage()

virtual const char * mfem::MixedScalarIntegrator::FiniteElementTypeFailureMessage ( ) const

inlineprotectedvirtual

Reimplemented in mfem::MixedScalarCurlIntegrator, mfem::MixedScalarDerivativeIntegrator, mfem::MixedScalarDivergenceIntegrator, mfem::MixedScalarWeakCurlIntegrator, mfem::MixedScalarWeakDerivativeIntegrator, and mfem::MixedScalarWeakGradientIntegrator.

Definition at line 527 of file bilininteg.hpp.

◆ GetIntegrationOrder()

virtual int mfem::MixedScalarIntegrator::GetIntegrationOrder	(	const FiniteElement &	trial_fe,
		const FiniteElement &	test_fe,
		ElementTransformation &	Trans )

inlineprotectedvirtual

Reimplemented in mfem::MixedScalarCurlIntegrator, mfem::MixedScalarDivergenceIntegrator, and mfem::MixedScalarWeakGradientIntegrator.

Definition at line 533 of file bilininteg.hpp.

◆ VerifyFiniteElementTypes()

virtual bool mfem::MixedScalarIntegrator::VerifyFiniteElementTypes	(	const FiniteElement &	trial_fe,
		const FiniteElement &	test_fe ) const

inlineprotectedvirtual

Reimplemented in mfem::MixedScalarCurlIntegrator, mfem::MixedScalarDerivativeIntegrator, mfem::MixedScalarDivergenceIntegrator, mfem::MixedScalarWeakCurlIntegrator, mfem::MixedScalarWeakDerivativeIntegrator, and mfem::MixedScalarWeakGradientIntegrator.

Definition at line 519 of file bilininteg.hpp.

Member Data Documentation

◆ Q

Coefficient* mfem::MixedScalarIntegrator::Q

protected

Definition at line 549 of file bilininteg.hpp.

◆ same_calc_shape

bool mfem::MixedScalarIntegrator::same_calc_shape

protected

This parameter can be set by derived methods to enable single shape evaluation in case CalcTestShape() and CalcTrialShape() return the same result if given the same FiniteElement. The default is false.

Definition at line 514 of file bilininteg.hpp.

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

fem/bilininteg.hpp
fem/bilininteg.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ MixedScalarIntegrator() [1/2]

◆ MixedScalarIntegrator() [2/2]

Member Function Documentation

◆ AssembleElementMatrix()

◆ AssembleElementMatrix2()

◆ CalcTestShape()

◆ CalcTrialShape()

◆ FiniteElementTypeFailureMessage()

◆ GetIntegrationOrder()

◆ VerifyFiniteElementTypes()

Member Data Documentation

◆ Q

◆ same_calc_shape