Class for grid function - Vector with associated FE space. More...

#include <gridfunc.hpp>

Inheritance diagram for mfem::GridFunction:

Collaboration diagram for mfem::GridFunction:

Public Member Functions
	GridFunction ()

	GridFunction (FiniteElementSpace *f)
	Creates grid function associated with *f. More...

	GridFunction (Mesh *m, std::istream &input)

	GridFunction (Mesh m, GridFunction gf_array[], int num_pieces)

void	MakeOwner (FiniteElementCollection *_fec)
	Make the GridFunction the owner of 'fec' and 'fes'. More...

FiniteElementCollection *	OwnFEC ()

int	VectorDim () const

void	GetNodalValues (int i, Array< double > &nval, int vdim=1) const
	Returns the values in the vertices of i'th element for dimension vdim. More...

virtual double	GetValue (int i, const IntegrationPoint &ip, int vdim=1) const

void	GetVectorValue (int i, const IntegrationPoint &ip, Vector &val) const

void	GetValues (int i, const IntegrationRule &ir, Vector &vals, int vdim=1) const

void	GetValues (int i, const IntegrationRule &ir, Vector &vals, DenseMatrix &tr, int vdim=1) const

int	GetFaceValues (int i, int side, const IntegrationRule &ir, Vector &vals, DenseMatrix &tr, int vdim=1) const

void	GetVectorValues (ElementTransformation &T, const IntegrationRule &ir, DenseMatrix &vals) const

void	GetVectorValues (int i, const IntegrationRule &ir, DenseMatrix &vals, DenseMatrix &tr) const

int	GetFaceVectorValues (int i, int side, const IntegrationRule &ir, DenseMatrix &vals, DenseMatrix &tr) const

void	GetValuesFrom (GridFunction &)

void	GetBdrValuesFrom (GridFunction &)

void	GetVectorFieldValues (int i, const IntegrationRule &ir, DenseMatrix &vals, DenseMatrix &tr, int comp=0) const

void	ReorderByNodes ()
	For a vector grid function, makes sure that the ordering is byNODES. More...

void	GetNodalValues (Vector &nval, int vdim=1) const
	Return the values as a vector on mesh vertices for dimension vdim. More...

void	GetVectorFieldNodalValues (Vector &val, int comp) const

void	ProjectVectorFieldOn (GridFunction &vec_field, int comp=0)

void	GetDerivative (int comp, int der_comp, GridFunction &der)

double	GetDivergence (ElementTransformation &tr)

void	GetCurl (ElementTransformation &tr, Vector &curl)

void	GetGradient (ElementTransformation &tr, Vector &grad)

void	GetGradients (const int elem, const IntegrationRule &ir, DenseMatrix &grad)

void	GetVectorGradient (ElementTransformation &tr, DenseMatrix &grad)

void	GetElementAverages (GridFunction &avgs)

void	ImposeBounds (int i, const Vector &weights, const Vector &_lo, const Vector &_hi)

void	ImposeBounds (int i, const Vector &weights, double _min=0.0, double _max=std::numeric_limits< double >::infinity())

void	ProjectGridFunction (const GridFunction &src)

void	ProjectCoefficient (Coefficient &coeff)

void	ProjectCoefficient (Coefficient &coeff, Array< int > &dofs, int vd=0)

void	ProjectCoefficient (VectorCoefficient &vcoeff)

void	ProjectCoefficient (VectorCoefficient &vcoeff, Array< int > &dofs)

void	ProjectCoefficient (Coefficient *coeff[])

void	ProjectDiscCoefficient (VectorCoefficient &coeff)

void	ProjectBdrCoefficient (Coefficient &coeff, Array< int > &attr)

void	ProjectBdrCoefficient (Coefficient *coeff[], Array< int > &attr)

void	ProjectBdrCoefficientNormal (VectorCoefficient &vcoeff, Array< int > &bdr_attr)

void	ProjectBdrCoefficientTangent (VectorCoefficient &vcoeff, Array< int > &bdr_attr)

double	ComputeL2Error (Coefficient &exsol, const IntegrationRule *irs[]=NULL) const

double	ComputeL2Error (Coefficient exsol[], const IntegrationRule irs[]=NULL) const

double	ComputeL2Error (VectorCoefficient &exsol, const IntegrationRule irs[]=NULL, Array< int > elems=NULL) const

double	ComputeH1Error (Coefficient exsol, VectorCoefficient exgrad, Coefficient *ell_coef, double Nu, int norm_type) const

double	ComputeMaxError (Coefficient &exsol, const IntegrationRule *irs[]=NULL) const

double	ComputeMaxError (Coefficient exsol[], const IntegrationRule irs[]=NULL) const

double	ComputeMaxError (VectorCoefficient &exsol, const IntegrationRule *irs[]=NULL) const

double	ComputeL1Error (Coefficient &exsol, const IntegrationRule *irs[]=NULL) const

double	ComputeW11Error (Coefficient exsol, VectorCoefficient exgrad, int norm_type, Array< int > elems=NULL, const IntegrationRule irs[]=NULL) const

double	ComputeL1Error (VectorCoefficient &exsol, const IntegrationRule *irs[]=NULL) const

double	ComputeLpError (const double p, Coefficient &exsol, Coefficient weight=NULL, const IntegrationRule irs[]=NULL) const

double	ComputeLpError (const double p, VectorCoefficient &exsol, Coefficient weight=NULL, VectorCoefficient v_weight=NULL, const IntegrationRule *irs[]=NULL) const

GridFunction &	operator= (double value)
	Redefine '=' for GridFunction = constant. More...

GridFunction &	operator= (const Vector &v)

GridFunction &	operator= (const GridFunction &v)

void	ConformingProlongate (const Vector &x)

void	ConformingProlongate ()

void	ConformingProject (Vector &x) const

void	ConformingProject ()

FiniteElementSpace *	FESpace ()

void	Update ()

void	Update (FiniteElementSpace *f)

void	Update (FiniteElementSpace *f, Vector &v, int v_offset)

virtual void	ComputeFlux (BilinearFormIntegrator &blfi, GridFunction &flux, int wcoef=1, int subdomain=-1)

virtual void	Save (std::ostream &out) const
	Save the GridFunction to an output stream. More...

void	SaveVTK (std::ostream &out, const std::string &field_name, int ref)

void	SaveSTL (std::ostream &out, int TimesToRefine=1)

virtual	~GridFunction ()
	Destroys grid function. More...

Public Member Functions inherited from mfem::Vector
	Vector ()
	Default constructor for Vector. Sets size = 0 and data = NULL. More...

	Vector (const Vector &)
	Copy constructor. More...

	Vector (int s)
	Creates vector of size s. More...

	Vector (double *_data, int _size)
	Creates a vector referencing an array of doubles, owned by someone else. More...

void	Load (std::istream *in, int np, int dim)
	Reads a vector from multiple files. More...

void	Load (std::istream &in, int Size)
	Load a vector from an input stream. More...

void	Load (std::istream &in)
	Load a vector from an input stream. More...

void	SetSize (int s)
	Resizes the vector if the new size is different. More...

void	SetData (double *d)

void	SetDataAndSize (double *d, int s)

void	NewDataAndSize (double *d, int s)

void	MakeDataOwner ()

void	Destroy ()
	Destroy a vector. More...

int	Size () const
	Returns the size of the vector. More...

double *	GetData () const

	operator double * ()

	operator const double * () const

bool	OwnsData () const

void	StealData (double **p)
	Changes the ownership of the data; after the call the Vector is empty. More...

double *	StealData ()
	Changes the ownership of the data; after the call the Vector is empty. More...

double &	Elem (int i)
	Sets value in vector. Index i = 0 .. size-1. More...

const double &	Elem (int i) const
	Sets value in vector. Index i = 0 .. size-1. More...

double &	operator() (int i)
	Sets value in vector. Index i = 0 .. size-1. More...

const double &	operator() (int i) const
	Sets value in vector. Index i = 0 .. size-1. More...

double	operator* (const double *) const

double	operator* (const Vector &v) const
	Return the inner-product. More...

Vector &	operator= (const double *v)

Vector &	operator= (const Vector &v)
	Redefine '=' for vector = vector. More...

Vector &	operator= (double value)
	Redefine '=' for vector = constant. More...

Vector &	operator*= (double c)

Vector &	operator/= (double c)

Vector &	operator-= (double c)

Vector &	operator-= (const Vector &v)

Vector &	operator+= (const Vector &v)

Vector &	Add (const double a, const Vector &Va)
	(this) += a Va More...

Vector &	Set (const double a, const Vector &x)
	(this) = a x More...

void	SetVector (const Vector &v, int offset)

void	Neg ()
	(this) = -(this) More...

void	Swap (Vector &other)
	Swap the contents of two Vectors. More...

void	median (const Vector &lo, const Vector &hi)
	v = median(v,lo,hi) entrywise. Implementation assumes lo <= hi. More...

void	GetSubVector (const Array< int > &dofs, Vector &elemvect) const

void	GetSubVector (const Array< int > &dofs, double *elem_data) const

void	SetSubVector (const Array< int > &dofs, const Vector &elemvect)

void	SetSubVector (const Array< int > &dofs, double *elem_data)

void	AddElementVector (const Array< int > &dofs, const Vector &elemvect)
	Add (element) subvector to the vector. More...

void	AddElementVector (const Array< int > &dofs, double *elem_data)

void	AddElementVector (const Array< int > &dofs, const double a, const Vector &elemvect)

void	SetSubVectorComplement (const Array< int > &dofs, const double val)
	Set all vector entries NOT in the 'dofs' array to the given 'val'. More...

void	Print (std::ostream &out=std::cout, int width=8) const
	Prints vector to stream out. More...

void	Print_HYPRE (std::ostream &out) const
	Prints vector to stream out in HYPRE_Vector format. More...

void	Randomize (int seed=0)
	Set random values in the vector. More...

double	Norml2 () const
	Returns the l2 norm of the vector. More...

double	Normlinf () const
	Returns the l_infinity norm of the vector. More...

double	Norml1 () const
	Returns the l_1 norm of the vector. More...

double	Normlp (double p) const
	Returns the l_p norm of the vector. More...

double	Max () const
	Returns the maximal element of the vector. More...

double	Min () const
	Returns the minimal element of the vector. More...

double	Sum () const
	Return the sum of the vector entries. More...

double	DistanceTo (const double *p) const
	Compute the Euclidean distance to another vector. More...

int	CheckFinite () const

virtual	~Vector ()
	Destroys vector. More...

Protected Member Functions
void	SaveSTLTri (std::ostream &out, double p1[], double p2[], double p3[])

void	GetVectorGradientHat (ElementTransformation &T, DenseMatrix &gh)

void	ProjectDeltaCoefficient (DeltaCoefficient &delta_coeff, double &integral)

void	SumFluxAndCount (BilinearFormIntegrator &blfi, GridFunction &flux, Array< int > &counts, int wcoef, int subdomain)

void	ProjectDiscCoefficient (VectorCoefficient &coeff, Array< int > &dof_attr)

Protected Attributes
FiniteElementSpace *	fes
	FE space on which grid function lives. More...

FiniteElementCollection *	fec
	Used when the grid function is read from a file. More...

Protected Attributes inherited from mfem::Vector
int	size

int	allocsize

double *	data

Detailed Description

Class for grid function - Vector with associated FE space.

Definition at line 27 of file gridfunc.hpp.

Constructor & Destructor Documentation

mfem::GridFunction::GridFunction ( )

inline

Definition at line 59 of file gridfunc.hpp.

mfem::GridFunction::GridFunction ( FiniteElementSpace * f )

inline

Creates grid function associated with *f.

Definition at line 62 of file gridfunc.hpp.

mfem::GridFunction::GridFunction	(	Mesh *	m,
		std::istream &	input
	)

Definition at line 27 of file gridfunc.cpp.

mfem::GridFunction::GridFunction	(	Mesh *	m,
		GridFunction *	gf_array[],
		int	num_pieces
	)

Definition at line 53 of file gridfunc.cpp.

mfem::GridFunction::~GridFunction ( )

virtual

Destroys grid function.

Definition at line 128 of file gridfunc.cpp.

Member Function Documentation

void mfem::GridFunction::ComputeFlux	(	BilinearFormIntegrator &	blfi,
		GridFunction &	flux,
		int	wcoef = `1`,
		int	subdomain = `-1`
	)

virtual

Reimplemented in mfem::ParGridFunction.

Definition at line 209 of file gridfunc.cpp.

double mfem::GridFunction::ComputeH1Error	(	Coefficient *	exsol,
		VectorCoefficient *	exgrad,
		Coefficient *	ell_coef,
		double	Nu,
		int	norm_type
	)		const

Definition at line 1601 of file gridfunc.cpp.

double mfem::GridFunction::ComputeL1Error	(	Coefficient &	exsol,
		const IntegrationRule *	irs[] = `NULL`
	)		const

inline

Definition at line 222 of file gridfunc.hpp.

double mfem::GridFunction::ComputeL1Error	(	VectorCoefficient &	exsol,
		const IntegrationRule *	irs[] = `NULL`
	)		const

inline

Definition at line 230 of file gridfunc.hpp.

double mfem::GridFunction::ComputeL2Error	(	Coefficient &	exsol,
		const IntegrationRule *	irs[] = `NULL`
	)		const

inline

Definition at line 190 of file gridfunc.hpp.

double mfem::GridFunction::ComputeL2Error	(	Coefficient *	exsol[],
		const IntegrationRule *	irs[] = `NULL`
	)		const

Definition at line 1499 of file gridfunc.cpp.

double mfem::GridFunction::ComputeL2Error	(	VectorCoefficient &	exsol,
		const IntegrationRule *	irs[] = `NULL`,
		Array< int > *	elems = `NULL`
	)		const

Definition at line 1556 of file gridfunc.cpp.

double mfem::GridFunction::ComputeLpError	(	const double	p,
		Coefficient &	exsol,
		Coefficient *	weight = `NULL`,
		const IntegrationRule *	irs[] = `NULL`
	)		const

Definition at line 1912 of file gridfunc.cpp.

double mfem::GridFunction::ComputeLpError	(	const double	p,
		VectorCoefficient &	exsol,
		Coefficient *	weight = `NULL`,
		VectorCoefficient *	v_weight = `NULL`,
		const IntegrationRule *	irs[] = `NULL`
	)		const

When given a vector weight, compute the pointwise (scalar) error as the dot product of the vector error with the vector weight. Otherwise, the scalar error is the l_2 norm of the vector error.

Definition at line 1977 of file gridfunc.cpp.

double mfem::GridFunction::ComputeMaxError	(	Coefficient &	exsol,
		const IntegrationRule *	irs[] = `NULL`
	)		const

inline

Definition at line 205 of file gridfunc.hpp.

double mfem::GridFunction::ComputeMaxError	(	Coefficient *	exsol[],
		const IntegrationRule *	irs[] = `NULL`
	)		const

Definition at line 1749 of file gridfunc.cpp.

double mfem::GridFunction::ComputeMaxError	(	VectorCoefficient &	exsol,
		const IntegrationRule *	irs[] = `NULL`
	)		const

inline

Definition at line 215 of file gridfunc.hpp.

double mfem::GridFunction::ComputeW11Error	(	Coefficient *	exsol,
		VectorCoefficient *	exgrad,
		int	norm_type,
		Array< int > *	elems = `NULL`,
		const IntegrationRule *	irs[] = `NULL`
	)		const

Definition at line 1806 of file gridfunc.cpp.

void mfem::GridFunction::ConformingProject ( Vector & x ) const

For partially conforming FE spaces, project this partially conforming GridFunction onto the conforming vector x.

Definition at line 2114 of file gridfunc.cpp.

void mfem::GridFunction::ConformingProject ( )

Same as above, but the destination conforming vector is 'this'. NOTE: the GridFunction's functionality is limited after this call, as the underlying vector shrinks to the number of conforming DOFs. Normal state is restored with ConformingProlongate.

Definition at line 2128 of file gridfunc.cpp.

void mfem::GridFunction::ConformingProlongate ( const Vector & x )

For partially conforming FE spaces, prolongate the conforming vector x to this partially conforming GridFunction.

Definition at line 2091 of file gridfunc.cpp.

void mfem::GridFunction::ConformingProlongate ( )

As above, but the destination is 'this'.

Definition at line 2105 of file gridfunc.cpp.

FiniteElementSpace* mfem::GridFunction::FESpace ( )

inline

Definition at line 270 of file gridfunc.hpp.

void mfem::GridFunction::GetBdrValuesFrom ( GridFunction & orig_func )

Definition at line 537 of file gridfunc.cpp.

void mfem::GridFunction::GetCurl	(	ElementTransformation &	tr,
		Vector &	curl
	)

Definition at line 825 of file gridfunc.cpp.

void mfem::GridFunction::GetDerivative	(	int	comp,
		int	der_comp,
		GridFunction &	der
	)

Definition at line 714 of file gridfunc.cpp.

double mfem::GridFunction::GetDivergence ( ElementTransformation & tr )

Definition at line 793 of file gridfunc.cpp.

void mfem::GridFunction::GetElementAverages ( GridFunction & avgs )

Compute $(\int_{\Omega} (*this) \psi_i)/(\int_{\Omega} \psi_i)$ , where $\psi_i$ are the basis functions for the FE space of avgs. Both FE spaces should be scalar and on the same mesh.

Definition at line 930 of file gridfunc.cpp.

int mfem::GridFunction::GetFaceValues	(	int	i,
		int	side,
		const IntegrationRule &	ir,
		Vector &	vals,
		DenseMatrix &	tr,
		int	vdim = `1`
	)		const

Definition at line 355 of file gridfunc.cpp.

int mfem::GridFunction::GetFaceVectorValues	(	int	i,
		int	side,
		const IntegrationRule &	ir,
		DenseMatrix &	vals,
		DenseMatrix &	tr
	)		const

Definition at line 457 of file gridfunc.cpp.

void mfem::GridFunction::GetGradient	(	ElementTransformation &	tr,
		Vector &	grad
	)

Definition at line 876 of file gridfunc.cpp.

void mfem::GridFunction::GetGradients	(	const int	elem,
		const IntegrationRule &	ir,
		DenseMatrix &	grad
	)

Definition at line 894 of file gridfunc.cpp.

void mfem::GridFunction::GetNodalValues	(	int	i,
		Array< double > &	nval,
		int	vdim = `1`
	)		const

Returns the values in the vertices of i'th element for dimension vdim.

Definition at line 240 of file gridfunc.cpp.

void mfem::GridFunction::GetNodalValues	(	Vector &	nval,
		int	vdim = `1`
	)		const

Return the values as a vector on mesh vertices for dimension vdim.

Definition at line 1051 of file gridfunc.cpp.

double mfem::GridFunction::GetValue	(	int	i,
		const IntegrationPoint &	ip,
		int	vdim = `1`
	)		const

virtual

Reimplemented in mfem::ParGridFunction.

Definition at line 279 of file gridfunc.cpp.

void mfem::GridFunction::GetValues	(	int	i,
		const IntegrationRule &	ir,
		Vector &	vals,
		int	vdim = `1`
	)		const

Definition at line 324 of file gridfunc.cpp.

void mfem::GridFunction::GetValues	(	int	i,
		const IntegrationRule &	ir,
		Vector &	vals,
		DenseMatrix &	tr,
		int	vdim = `1`
	)		const

Definition at line 344 of file gridfunc.cpp.

void mfem::GridFunction::GetValuesFrom ( GridFunction & orig_func )

Definition at line 500 of file gridfunc.cpp.

void mfem::GridFunction::GetVectorFieldNodalValues	(	Vector &	val,
		int	comp
	)		const

Definition at line 643 of file gridfunc.cpp.

void mfem::GridFunction::GetVectorFieldValues	(	int	i,
		const IntegrationRule &	ir,
		DenseMatrix &	vals,
		DenseMatrix &	tr,
		int	comp = `0`
	)		const

Definition at line 574 of file gridfunc.cpp.

void mfem::GridFunction::GetVectorGradient	(	ElementTransformation &	tr,
		DenseMatrix &	grad
	)

Definition at line 918 of file gridfunc.cpp.

void mfem::GridFunction::GetVectorGradientHat	(	ElementTransformation &	T,
		DenseMatrix &	gh
	)

protected

Definition at line 774 of file gridfunc.cpp.

void mfem::GridFunction::GetVectorValue	(	int	i,
		const IntegrationPoint &	ip,
		Vector &	val
	)		const

Definition at line 292 of file gridfunc.cpp.

void mfem::GridFunction::GetVectorValues	(	ElementTransformation &	T,
		const IntegrationRule &	ir,
		DenseMatrix &	vals
	)		const

Definition at line 405 of file gridfunc.cpp.

void mfem::GridFunction::GetVectorValues	(	int	i,
		const IntegrationRule &	ir,
		DenseMatrix &	vals,
		DenseMatrix &	tr
	)		const

Definition at line 448 of file gridfunc.cpp.

void mfem::GridFunction::ImposeBounds	(	int	i,
		const Vector &	weights,
		const Vector &	_lo,
		const Vector &	_hi
	)

Impose the given bounds on the function's DOFs while preserving its local integral (described in terms of the given weights) on the i'th element through SLBPQ optimization. Intended to be used for discontinuous FE functions.

Definition at line 993 of file gridfunc.cpp.

void mfem::GridFunction::ImposeBounds	(	int	i,
		const Vector &	weights,
		double	_min = `0.0`,
		double	_max = `std::numeric_limits<double>::infinity()`
	)

Definition at line 1020 of file gridfunc.cpp.

void mfem::GridFunction::MakeOwner ( FiniteElementCollection * _fec )

inline

Make the GridFunction the owner of 'fec' and 'fes'.

Definition at line 70 of file gridfunc.hpp.

GridFunction & mfem::GridFunction::operator= ( double value )

Redefine '=' for GridFunction = constant.

Definition at line 2068 of file gridfunc.cpp.

GridFunction & mfem::GridFunction::operator= ( const Vector & v )

Definition at line 2077 of file gridfunc.cpp.

GridFunction & mfem::GridFunction::operator= ( const GridFunction & v )

Definition at line 2086 of file gridfunc.cpp.

FiniteElementCollection* mfem::GridFunction::OwnFEC ( )

inline

Definition at line 73 of file gridfunc.hpp.

void mfem::GridFunction::ProjectBdrCoefficient	(	Coefficient &	coeff,
		Array< int > &	attr
	)

inline

Definition at line 170 of file gridfunc.hpp.

void mfem::GridFunction::ProjectBdrCoefficient	(	Coefficient *	coeff[],
		Array< int > &	attr
	)

Definition at line 1306 of file gridfunc.cpp.

void mfem::GridFunction::ProjectBdrCoefficientNormal	(	VectorCoefficient &	vcoeff,
		Array< int > &	bdr_attr
	)

Project the normal component of the given VectorCoefficient on the boundary. Only boundary attributes that are marked in 'bdr_attr' are projected. Assumes RT-type VectorFE GridFunction.

Definition at line 1383 of file gridfunc.cpp.

void mfem::GridFunction::ProjectBdrCoefficientTangent	(	VectorCoefficient &	vcoeff,
		Array< int > &	bdr_attr
	)

Project the tangential components of the given VectorCoefficient on the boundary. Only boundary attributes that are marked in 'bdr_attr' are projected. Assumes ND-type VectorFE GridFunction.

Definition at line 1454 of file gridfunc.cpp.

void mfem::GridFunction::ProjectCoefficient ( Coefficient & coeff )

Definition at line 1140 of file gridfunc.cpp.

void mfem::GridFunction::ProjectCoefficient	(	Coefficient &	coeff,
		Array< int > &	dofs,
		int	vd = `0`
	)

Definition at line 1167 of file gridfunc.cpp.

void mfem::GridFunction::ProjectCoefficient ( VectorCoefficient & vcoeff )

Definition at line 1191 of file gridfunc.cpp.

void mfem::GridFunction::ProjectCoefficient	(	VectorCoefficient &	vcoeff,
		Array< int > &	dofs
	)

Definition at line 1206 of file gridfunc.cpp.

void mfem::GridFunction::ProjectCoefficient ( Coefficient * coeff[] )

Definition at line 1236 of file gridfunc.cpp.

void mfem::GridFunction::ProjectDeltaCoefficient	(	DeltaCoefficient &	delta_coeff,
		double &	integral
	)

protected

Definition at line 1077 of file gridfunc.cpp.

void mfem::GridFunction::ProjectDiscCoefficient	(	VectorCoefficient &	coeff,
		Array< int > &	dof_attr
	)

protected

Project a discontinuous vector coefficient in a continuous space and return in dof_attr the maximal attribute of the elements containing each degree of freedom.

Definition at line 1269 of file gridfunc.cpp.

void mfem::GridFunction::ProjectDiscCoefficient ( VectorCoefficient & coeff )

Project a discontinuous vector coefficient as a grid function on a continuous finite element space. The values in shared dofs are determined from the element with maximal attribute.

Definition at line 1300 of file gridfunc.cpp.

void mfem::GridFunction::ProjectGridFunction ( const GridFunction & src )

Project the given 'src' GridFunction to 'this' GridFunction, both of which must be on the same mesh. The current implementation assumes that all element use the same projection matrix.

Definition at line 960 of file gridfunc.cpp.

void mfem::GridFunction::ProjectVectorFieldOn	(	GridFunction &	vec_field,
		int	comp = `0`
	)

Definition at line 674 of file gridfunc.cpp.

void mfem::GridFunction::ReorderByNodes ( )

For a vector grid function, makes sure that the ordering is byNODES.

Definition at line 616 of file gridfunc.cpp.

void mfem::GridFunction::Save ( std::ostream & out ) const

virtual

Save the GridFunction to an output stream.

Reimplemented in mfem::ParGridFunction.

Definition at line 2138 of file gridfunc.cpp.

void mfem::GridFunction::SaveSTL	(	std::ostream &	out,
		int	TimesToRefine = `1`
	)

Definition at line 2248 of file gridfunc.cpp.

void mfem::GridFunction::SaveSTLTri	(	std::ostream &	out,
		double	p1[],
		double	p2[],
		double	p3[]
	)

protected

Definition at line 2228 of file gridfunc.cpp.

void mfem::GridFunction::SaveVTK	(	std::ostream &	out,
		const std::string &	field_name,
		int	ref
	)

Write the GridFunction in VTK format. Note that Mesh::PrintVTK must be called first. The parameter ref must match the one used in Mesh::PrintVTK.

Definition at line 2152 of file gridfunc.cpp.

void mfem::GridFunction::SumFluxAndCount	(	BilinearFormIntegrator &	blfi,
		GridFunction &	flux,
		Array< int > &	counts,
		int	wcoef,
		int	subdomain
	)

protected

Definition at line 162 of file gridfunc.cpp.

void mfem::GridFunction::Update ( )

inline

Definition at line 272 of file gridfunc.hpp.

void mfem::GridFunction::Update ( FiniteElementSpace * f )

Definition at line 137 of file gridfunc.cpp.

void mfem::GridFunction::Update	(	FiniteElementSpace *	f,
		Vector &	v,
		int	v_offset
	)

Definition at line 149 of file gridfunc.cpp.

int mfem::GridFunction::VectorDim ( ) const

Definition at line 224 of file gridfunc.cpp.

Member Data Documentation

FiniteElementCollection* mfem::GridFunction::fec

protected

Used when the grid function is read from a file.

Definition at line 34 of file gridfunc.hpp.

FiniteElementSpace* mfem::GridFunction::fes

protected

FE space on which grid function lives.

Definition at line 31 of file gridfunc.hpp.

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

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation