Class for parallel grid function. More...

#include <pgridfunc.hpp>

Inheritance diagram for mfem::ParGridFunction:

Collaboration diagram for mfem::ParGridFunction:

Public Member Functions
	ParGridFunction ()

	ParGridFunction (ParFiniteElementSpace *pf)

	ParGridFunction (ParFiniteElementSpace pf, GridFunction gf)

	ParGridFunction (ParFiniteElementSpace pf, HypreParVector tv)

	ParGridFunction (ParMesh pmesh, GridFunction gf, int *partitioning=NULL)

ParGridFunction &	operator= (double value)

ParGridFunction &	operator= (const Vector &v)

ParFiniteElementSpace *	ParFESpace ()

void	Update (ParFiniteElementSpace *f)

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

void	Distribute (const Vector *tv)

void	Distribute (const Vector &tv)

ParGridFunction &	operator= (const HypreParVector &tv)
	Short semantic for Distribute. More...

void	GetTrueDofs (Vector &tv) const
	Returns the true dofs in a HypreParVector. More...

HypreParVector *	GetTrueDofs () const
	Returns the true dofs in a new HypreParVector. More...

void	ParallelAverage (Vector &tv) const
	Returns the vector averaged on the true dofs. More...

void	ParallelAverage (HypreParVector &tv) const
	Returns the vector averaged on the true dofs. More...

HypreParVector *	ParallelAverage () const
	Returns a new vector averaged on the true dofs. More...

void	ParallelAssemble (Vector &tv) const
	Returns the vector assembled on the true dofs. More...

void	ParallelAssemble (HypreParVector &tv) const
	Returns the vector assembled on the true dofs. More...

HypreParVector *	ParallelAssemble () const
	Returns a new vector assembled on the true dofs. More...

void	ExchangeFaceNbrData ()

Vector &	FaceNbrData ()

const Vector &	FaceNbrData () const

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

double	GetValue (ElementTransformation &T)

void	ProjectCoefficient (Coefficient &coeff)

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

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

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

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	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	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

virtual void	Save (std::ostream &out) const

void	SaveAsOne (std::ostream &out=std::cout)
	Merge the local grid functions. More...

virtual	~ParGridFunction ()

Public Member Functions inherited from mfem::GridFunction
	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...

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	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 (Coefficient *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)

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)

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	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	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 Euclidian distance to another vector. More...

int	CheckFinite () const

	~Vector ()
	Destroys vector. More...

Protected Attributes
ParFiniteElementSpace *	pfes

Vector	face_nbr_data

Protected Attributes inherited from mfem::GridFunction
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

Additional Inherited Members
Protected Member Functions inherited from mfem::GridFunction
void	SaveSTLTri (std::ostream &out, double p1[], double p2[], double p3[])

void	GetVectorGradientHat (ElementTransformation &T, DenseMatrix &gh)

void	ProjectDeltaCoefficient (DeltaCoefficient &delta_coeff, double &integral)

Detailed Description

Class for parallel grid function.

Definition at line 31 of file pgridfunc.hpp.

Constructor & Destructor Documentation

mfem::ParGridFunction::ParGridFunction ( )

inline

Definition at line 39 of file pgridfunc.hpp.

mfem::ParGridFunction::ParGridFunction ( ParFiniteElementSpace * pf )

inline

Definition at line 41 of file pgridfunc.hpp.

mfem::ParGridFunction::ParGridFunction	(	ParFiniteElementSpace *	pf,
		GridFunction *	gf
	)

Construct a ParGridFunction corresponding to *pf and the data from *gf which is a local GridFunction on each processor.

Definition at line 24 of file pgridfunc.cpp.

mfem::ParGridFunction::ParGridFunction	(	ParFiniteElementSpace *	pf,
		HypreParVector *	tv
	)

Creates grid function on (all) dofs from a given vector on the true dofs, i.e. P tv.

Definition at line 30 of file pgridfunc.cpp.

mfem::ParGridFunction::ParGridFunction	(	ParMesh *	pmesh,
		GridFunction *	gf,
		int *	partitioning = `NULL`
	)

Construct a ParGridFunction from the given serial GridFunction. If partitioning == NULL (default), the data from 'gf' is NOT copied.

Definition at line 36 of file pgridfunc.cpp.

virtual mfem::ParGridFunction::~ParGridFunction ( )

inlinevirtual

Definition at line 192 of file pgridfunc.hpp.

Member Function Documentation

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

inline

Definition at line 113 of file pgridfunc.hpp.

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

inline

Definition at line 120 of file pgridfunc.hpp.

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

inline

Definition at line 124 of file pgridfunc.hpp.

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

inline

Definition at line 128 of file pgridfunc.hpp.

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

inline

Definition at line 132 of file pgridfunc.hpp.

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

inline

Definition at line 136 of file pgridfunc.hpp.

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

inline

Definition at line 164 of file pgridfunc.hpp.

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

inline

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 175 of file pgridfunc.hpp.

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

inline

Definition at line 143 of file pgridfunc.hpp.

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

inline

Definition at line 150 of file pgridfunc.hpp.

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

inline

Definition at line 157 of file pgridfunc.hpp.

void mfem::ParGridFunction::Distribute ( const Vector * tv )

Set the grid function on (all) dofs from a given vector on the true dofs, i.e. P tv.

Definition at line 78 of file pgridfunc.cpp.

void mfem::ParGridFunction::Distribute ( const Vector & tv )

inline

Definition at line 70 of file pgridfunc.hpp.

void mfem::ParGridFunction::ExchangeFaceNbrData ( )

Definition at line 146 of file pgridfunc.cpp.

Vector& mfem::ParGridFunction::FaceNbrData ( )

inline

Definition at line 101 of file pgridfunc.hpp.

const Vector& mfem::ParGridFunction::FaceNbrData ( ) const

inline

Definition at line 102 of file pgridfunc.hpp.

void mfem::ParGridFunction::GetTrueDofs ( Vector & tv ) const

Returns the true dofs in a HypreParVector.

Definition at line 83 of file pgridfunc.cpp.

HypreParVector * mfem::ParGridFunction::GetTrueDofs ( ) const

Returns the true dofs in a new HypreParVector.

Definition at line 103 of file pgridfunc.cpp.

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

virtual

Reimplemented from mfem::GridFunction.

Definition at line 193 of file pgridfunc.cpp.

double mfem::ParGridFunction::GetValue ( ElementTransformation & T )

inline

Definition at line 107 of file pgridfunc.hpp.

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

inline

Definition at line 55 of file pgridfunc.hpp.

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

inline

Definition at line 58 of file pgridfunc.hpp.

ParGridFunction& mfem::ParGridFunction::operator= ( const HypreParVector & tv )

inline

Short semantic for Distribute.

Definition at line 73 of file pgridfunc.hpp.

void mfem::ParGridFunction::ParallelAssemble ( Vector & tv ) const

Returns the vector assembled on the true dofs.

Definition at line 129 of file pgridfunc.cpp.

void mfem::ParGridFunction::ParallelAssemble ( HypreParVector & tv ) const

Returns the vector assembled on the true dofs.

Definition at line 134 of file pgridfunc.cpp.

HypreParVector * mfem::ParGridFunction::ParallelAssemble ( ) const

Returns a new vector assembled on the true dofs.

Definition at line 139 of file pgridfunc.cpp.

void mfem::ParGridFunction::ParallelAverage ( Vector & tv ) const

Returns the vector averaged on the true dofs.

Definition at line 110 of file pgridfunc.cpp.

void mfem::ParGridFunction::ParallelAverage ( HypreParVector & tv ) const

Returns the vector averaged on the true dofs.

Definition at line 116 of file pgridfunc.cpp.

HypreParVector * mfem::ParGridFunction::ParallelAverage ( ) const

Returns a new vector averaged on the true dofs.

Definition at line 122 of file pgridfunc.cpp.

ParFiniteElementSpace* mfem::ParGridFunction::ParFESpace ( )

inline

Definition at line 61 of file pgridfunc.hpp.

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

Definition at line 229 of file pgridfunc.cpp.

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

virtual

Save the local portion of the ParGridFunction. It differs from the serial GridFunction::Save in that it takes into account the signs of the local dofs.

Reimplemented from mfem::GridFunction.

Definition at line 250 of file pgridfunc.cpp.

void mfem::ParGridFunction::SaveAsOne ( std::ostream & out = std::cout )

Merge the local grid functions.

Definition at line 263 of file pgridfunc.cpp.

void mfem::ParGridFunction::Update ( ParFiniteElementSpace * f )

Definition at line 64 of file pgridfunc.cpp.

void mfem::ParGridFunction::Update	(	ParFiniteElementSpace *	f,
		Vector &	v,
		int	v_offset
	)

Definition at line 71 of file pgridfunc.cpp.

Member Data Documentation

Vector mfem::ParGridFunction::face_nbr_data

protected

Definition at line 36 of file pgridfunc.hpp.

ParFiniteElementSpace* mfem::ParGridFunction::pfes

protected

Definition at line 34 of file pgridfunc.hpp.

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

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation