Class for constant FE on triangle. More...

#include <fe.hpp>

Inheritance diagram for mfem::P0TriangleFiniteElement:

Collaboration diagram for mfem::P0TriangleFiniteElement:

Public Member Functions
	P0TriangleFiniteElement ()
	Construct P0 triangle finite element. More...

virtual void	CalcShape (const IntegrationPoint &ip, Vector &shape) const
	evaluate shape function - constant 1 More...

virtual void	CalcDShape (const IntegrationPoint &ip, DenseMatrix &dshape) const
	evaluate derivatives of shape function - constant 0 More...

virtual void	ProjectDelta (int vertex, Vector &dofs) const

Public Member Functions inherited from mfem::NodalFiniteElement
	NodalFiniteElement (int D, int G, int Do, int O, int F=FunctionSpace::Pk)

	NodalFiniteElement (int D, int G, int Do, int O, int F=FunctionSpace::Pk)

virtual void	GetLocalInterpolation (ElementTransformation &Trans, DenseMatrix &I) const

virtual void	Project (Coefficient &coeff, ElementTransformation &Trans, Vector &dofs) const

virtual void	Project (VectorCoefficient &vc, ElementTransformation &Trans, Vector &dofs) const

virtual void	Project (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &I) const

virtual void	ProjectGrad (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &grad) const

virtual void	ProjectDiv (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &div) const

Public Member Functions inherited from mfem::ScalarFiniteElement
	ScalarFiniteElement (int D, int G, int Do, int O, int F=FunctionSpace::Pk)

void	SetMapType (int M)

Public Member Functions inherited from mfem::FiniteElement
	FiniteElement (int D, int G, int Do, int O, int F=FunctionSpace::Pk)

int	GetDim () const
	Returns the reference space dimension for the finite element. More...

int	GetGeomType () const
	Returns the Geometry::Type of the reference element. More...

int	GetDof () const
	Returns the number of degrees of freedom in the finite element. More...

int	GetOrder () const
	Returns the order of the finite element. More...

int	Space () const
	Returns the type of space on each element. More...

int	GetRangeType () const

int	GetDerivRangeType () const

int	GetMapType () const

int	GetDerivType () const

int	GetDerivMapType () const

void	CalcPhysShape (ElementTransformation &Trans, Vector &shape) const
	Evaluate the values of all shape functions of a scalar finite element in physical space at the point described by Trans. More...

void	CalcPhysDShape (ElementTransformation &Trans, DenseMatrix &dshape) const
	Evaluate the gradients of all shape functions of a scalar finite element in physical space at the point described by Trans. More...

const IntegrationRule &	GetNodes () const

virtual void	CalcVShape (const IntegrationPoint &ip, DenseMatrix &shape) const
	Evaluate the values of all shape functions of a vector finite element in reference space at the given point ip. More...

virtual void	CalcVShape (ElementTransformation &Trans, DenseMatrix &shape) const
	Evaluate the values of all shape functions of a vector finite element in physical space at the point described by Trans. More...

void	CalcPhysVShape (ElementTransformation &Trans, DenseMatrix &shape) const
	Equivalent to the CalcVShape() method with the same arguments. More...

virtual void	CalcDivShape (const IntegrationPoint &ip, Vector &divshape) const
	Evaluate the divergence of all shape functions of a vector finite element in reference space at the given point ip. More...

void	CalcPhysDivShape (ElementTransformation &Trans, Vector &divshape) const
	Evaluate the divergence of all shape functions of a vector finite element in physical space at the point described by Trans. More...

virtual void	CalcCurlShape (const IntegrationPoint &ip, DenseMatrix &curl_shape) const
	Evaluate the curl of all shape functions of a vector finite element in reference space at the given point ip. More...

void	CalcPhysCurlShape (ElementTransformation &Trans, DenseMatrix &curl_shape) const
	Evaluate the curl of all shape functions of a vector finite element in physical space at the point described by Trans. More...

virtual void	GetFaceDofs (int face, int *dofs, int ndofs) const

virtual void	CalcHessian (const IntegrationPoint &ip, DenseMatrix &h) const

virtual void	ProjectCurl (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &curl) const

virtual	~FiniteElement ()

Additional Inherited Members
Public Types inherited from mfem::FiniteElement
enum	{ SCALAR, VECTOR }
	Enumeration for RangeType and DerivRangeType. More...

enum	{ VALUE, INTEGRAL, H_DIV, H_CURL }
	Enumeration for MapType: defines how reference functions are mapped to physical space. More...

enum	{ NONE, GRAD, DIV, CURL }
	Enumeration for DerivType: defines which derivative method is implemented. More...

Static Public Member Functions inherited from mfem::FiniteElement
static int	VerifyClosed (int pt_type)

static int	VerifyOpen (int pt_type)

Protected Member Functions inherited from mfem::NodalFiniteElement
void	NodalLocalInterpolation (ElementTransformation &Trans, DenseMatrix &I, const NodalFiniteElement &fine_fe) const

void	ProjectCurl_2D (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &curl) const

Protected Attributes inherited from mfem::NodalFiniteElement
Vector	c_shape

Protected Attributes inherited from mfem::FiniteElement
int	Dim
	Dimension of reference space. More...

int	GeomType
	Geometry::Type of the reference element. More...

int	Dof
	Number of degrees of freedom. More...

int	Order
	Order/degree of the shape functions. More...

int	FuncSpace

int	RangeType

int	MapType

int	DerivType

int	DerivRangeType

int	DerivMapType

IntegrationRule	Nodes

DenseMatrix	vshape

Detailed Description

Class for constant FE on triangle.

Definition at line 748 of file fe.hpp.

Constructor & Destructor Documentation

mfem::P0TriangleFiniteElement::P0TriangleFiniteElement ( )

Construct P0 triangle finite element.

Definition at line 2184 of file fe.cpp.

Member Function Documentation

void mfem::P0TriangleFiniteElement::CalcDShape	(	const IntegrationPoint &	ip,
		DenseMatrix &	dshape
	)		const

virtual

evaluate derivatives of shape function - constant 0

Implements mfem::FiniteElement.

Definition at line 2197 of file fe.cpp.

void mfem::P0TriangleFiniteElement::CalcShape	(	const IntegrationPoint &	ip,
		Vector &	shape
	)		const

virtual

evaluate shape function - constant 1

Implements mfem::FiniteElement.

Definition at line 2191 of file fe.cpp.

virtual void mfem::P0TriangleFiniteElement::ProjectDelta	(	int	vertex,
		Vector &	dofs
	)		const

inlinevirtual

Compute a representation (up to multiplicative constant) for the delta function at the vertex with the given index.

Reimplemented from mfem::FiniteElement.

Definition at line 760 of file fe.hpp.

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

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation