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mfem::ParGridFunction Class Reference

Class for parallel grid function. More...

#include <pgridfunc.hpp>

Inheritance diagram for mfem::ParGridFunction:
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Collaboration diagram for mfem::ParGridFunction:
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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)
 
ParGridFunctionoperator= (double value)
 
ParGridFunctionoperator= (const Vector &v)
 
ParFiniteElementSpaceParFESpace ()
 
void Update (ParFiniteElementSpace *f)
 
void Update (ParFiniteElementSpace *f, Vector &v, int v_offset)
 
void Distribute (const Vector *tv)
 
void Distribute (const Vector &tv)
 
ParGridFunctionoperator= (const HypreParVector &tv)
 Short semantic for Distribute. More...
 
void GetTrueDofs (Vector &tv) const
 Returns the true dofs in a HypreParVector. More...
 
HypreParVectorGetTrueDofs () 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...
 
HypreParVectorParallelAverage () 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...
 
HypreParVectorParallelAssemble () const
 Returns a new vector assembled on the true dofs. More...
 
void ExchangeFaceNbrData ()
 
VectorFaceNbrData ()
 
const VectorFaceNbrData () 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...
 
FiniteElementCollectionOwnFEC ()
 
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
 
GridFunctionoperator= (double value)
 Redefine '=' for GridFunction = constant. More...
 
GridFunctionoperator= (const Vector &v)
 
GridFunctionoperator= (const GridFunction &v)
 
void ConformingProlongate (const Vector &x)
 
void ConformingProlongate ()
 
void ConformingProject (Vector &x) const
 
void ConformingProject ()
 
FiniteElementSpaceFESpace ()
 
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...
 
Vectoroperator= (const double *v)
 
Vectoroperator= (const Vector &v)
 Redefine '=' for vector = vector. More...
 
Vectoroperator= (double value)
 Redefine '=' for vector = constant. More...
 
Vectoroperator*= (double c)
 
Vectoroperator/= (double c)
 
Vectoroperator-= (double c)
 
Vectoroperator-= (const Vector &v)
 
Vectoroperator+= (const Vector &v)
 
VectorAdd (const double a, const Vector &Va)
 (*this) += a * Va More...
 
VectorSet (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

ParFiniteElementSpacepfes
 
Vector face_nbr_data
 
- Protected Attributes inherited from mfem::GridFunction
FiniteElementSpacefes
 FE space on which grid function lives. More...
 
FiniteElementCollectionfec
 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: