MFEM
v4.1.0
Finite element discretization library
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Class for parallel grid function. More...
#include <pgridfunc.hpp>
Public Member Functions | |
ParGridFunction () | |
ParGridFunction (const ParGridFunction &orig) | |
Copy constructor. The internal vector face_nbr_data is not copied. More... | |
ParGridFunction (ParFiniteElementSpace *pf) | |
ParGridFunction (ParFiniteElementSpace *pf, double *data) | |
Construct a ParGridFunction using previously allocated array data. More... | |
ParGridFunction (ParFiniteElementSpace *pf, GridFunction *gf) | |
Construct a ParGridFunction using a GridFunction as external data. More... | |
ParGridFunction (ParFiniteElementSpace *pf, HypreParVector *tv) | |
Creates grid function on (all) dofs from a given vector on the true dofs, i.e. P tv. More... | |
ParGridFunction (ParMesh *pmesh, const GridFunction *gf, const int *partitioning=NULL) | |
Construct a local ParGridFunction from the given global GridFunction. If partitioning is NULL (default), the data from gf is NOT copied. More... | |
ParGridFunction (ParMesh *pmesh, std::istream &input) | |
Construct a ParGridFunction on a given ParMesh, pmesh, reading from an std::istream. More... | |
ParGridFunction & | operator= (const ParGridFunction &rhs) |
Copy assignment. Only the data of the base class Vector is copied. More... | |
ParGridFunction & | operator= (double value) |
Assign constant values to the ParGridFunction data. More... | |
ParGridFunction & | operator= (const Vector &v) |
Copy the data from a Vector to the ParGridFunction data. More... | |
ParFiniteElementSpace * | ParFESpace () const |
virtual void | Update () |
Transform by the Space UpdateMatrix (e.g., on Mesh change). More... | |
virtual void | SetSpace (FiniteElementSpace *f) |
Associate a new FiniteElementSpace with the ParGridFunction. More... | |
void | SetSpace (ParFiniteElementSpace *f) |
Associate a new parallel space with the ParGridFunction. More... | |
virtual void | MakeRef (FiniteElementSpace *f, double *v) |
Make the ParGridFunction reference external data on a new FiniteElementSpace. More... | |
void | MakeRef (ParFiniteElementSpace *f, double *v) |
Make the ParGridFunction reference external data on a new ParFiniteElementSpace. More... | |
virtual void | MakeRef (FiniteElementSpace *f, Vector &v, int v_offset) |
Make the ParGridFunction reference external data on a new FiniteElementSpace. More... | |
void | MakeRef (ParFiniteElementSpace *f, Vector &v, int v_offset) |
Make the ParGridFunction reference external data on a new ParFiniteElementSpace. More... | |
void | Distribute (const Vector *tv) |
void | Distribute (const Vector &tv) |
void | AddDistribute (double a, const Vector *tv) |
void | AddDistribute (double a, const Vector &tv) |
virtual void | SetFromTrueDofs (const Vector &tv) |
Set the GridFunction from the given true-dof vector. More... | |
ParGridFunction & | operator= (const HypreParVector &tv) |
Short semantic for Distribute() 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 | ParallelProject (Vector &tv) const |
Returns the vector restricted to the true dofs. More... | |
void | ParallelProject (HypreParVector &tv) const |
Returns the vector restricted to the true dofs. More... | |
HypreParVector * | ParallelProject () const |
Returns a new vector restricted to 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) |
virtual void | ProjectCoefficient (Coefficient &coeff) |
virtual void | 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. More... | |
virtual void | ProjectDiscCoefficient (Coefficient &coeff, AvgType type) |
Projects a discontinuous coefficient so that the values in shared vdofs are computed by taking an average of the possible values. More... | |
virtual void | ProjectDiscCoefficient (VectorCoefficient &vcoeff, AvgType type) |
Projects a discontinuous vector coefficient so that the values in shared vdofs are computed by taking an average of the possible values. More... | |
virtual void | ProjectBdrCoefficient (VectorCoefficient &vcoeff, Array< int > &attr) |
Project a VectorCoefficient on the GridFunction, modifying only DOFs on the boundary associated with the boundary attributes marked in the attr array. More... | |
virtual void | ProjectBdrCoefficient (Coefficient *coeff[], Array< int > &attr) |
Project a set of Coefficients on the components of the GridFunction, modifying only DOFs on the boundary associated with the boundary attributed marked in the attr array. More... | |
virtual void | 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. More... | |
virtual double | ComputeL1Error (Coefficient *exsol[], const IntegrationRule *irs[]=NULL) const |
virtual double | ComputeL1Error (Coefficient &exsol, const IntegrationRule *irs[]=NULL) const |
virtual double | ComputeL1Error (VectorCoefficient &exsol, const IntegrationRule *irs[]=NULL) const |
virtual double | ComputeL2Error (Coefficient *exsol[], const IntegrationRule *irs[]=NULL) const |
virtual double | ComputeL2Error (Coefficient &exsol, const IntegrationRule *irs[]=NULL) const |
virtual double | ComputeL2Error (VectorCoefficient &exsol, const IntegrationRule *irs[]=NULL, Array< int > *elems=NULL) const |
virtual double | ComputeMaxError (Coefficient *exsol[], const IntegrationRule *irs[]=NULL) const |
virtual double | ComputeMaxError (Coefficient &exsol, const IntegrationRule *irs[]=NULL) const |
virtual double | ComputeMaxError (VectorCoefficient &exsol, const IntegrationRule *irs[]=NULL) const |
virtual double | ComputeLpError (const double p, Coefficient &exsol, Coefficient *weight=NULL, const IntegrationRule *irs[]=NULL) const |
virtual double | ComputeLpError (const double p, VectorCoefficient &exsol, Coefficient *weight=NULL, VectorCoefficient *v_weight=NULL, const IntegrationRule *irs[]=NULL) const |
virtual void | ComputeFlux (BilinearFormIntegrator &blfi, GridFunction &flux, bool wcoef=true, int subdomain=-1) |
virtual void | Save (std::ostream &out) const |
void | SaveAsOne (std::ostream &out=mfem::out) |
Merge the local grid functions. More... | |
virtual | ~ParGridFunction () |
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GridFunction () | |
GridFunction (const GridFunction &orig) | |
Copy constructor. The internal true-dof vector t_vec is not copied. More... | |
GridFunction (FiniteElementSpace *f) | |
Construct a GridFunction associated with the FiniteElementSpace *f. More... | |
GridFunction (FiniteElementSpace *f, double *data) | |
Construct a GridFunction using previously allocated array data. More... | |
GridFunction (Mesh *m, std::istream &input) | |
Construct a GridFunction on the given Mesh, using the data from input. More... | |
GridFunction (Mesh *m, GridFunction *gf_array[], int num_pieces) | |
GridFunction & | operator= (const GridFunction &rhs) |
Copy assignment. Only the data of the base class Vector is copied. More... | |
void | MakeOwner (FiniteElementCollection *_fec) |
Make the GridFunction the owner of fec and fes. More... | |
FiniteElementCollection * | OwnFEC () |
int | VectorDim () const |
const Vector & | GetTrueVector () const |
Read only access to the (optional) internal true-dof Vector. More... | |
Vector & | GetTrueVector () |
Read and write access to the (optional) internal true-dof Vector. More... | |
void | GetTrueDofs (Vector &tv) const |
Extract the true-dofs from the GridFunction. If all dofs are true, then tv will be set to point to the data of *this . More... | |
void | SetTrueVector () |
Shortcut for calling GetTrueDofs() with GetTrueVector() as argument. More... | |
void | SetFromTrueVector () |
Shortcut for calling SetFromTrueDofs() with GetTrueVector() as argument. More... | |
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 |
void | GetLaplacians (int i, const IntegrationRule &ir, Vector &laps, int vdim=1) const |
void | GetLaplacians (int i, const IntegrationRule &ir, Vector &laps, DenseMatrix &tr, int vdim=1) const |
void | GetHessians (int i, const IntegrationRule &ir, DenseMatrix &hess, int vdim=1) const |
void | GetHessians (int i, const IntegrationRule &ir, DenseMatrix &hess, 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 (const GridFunction &orig_func) |
void | GetBdrValuesFrom (const GridFunction &orig_func) |
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) const |
void | GetCurl (ElementTransformation &tr, Vector &curl) const |
void | GetGradient (ElementTransformation &tr, Vector &grad) const |
void | GetGradients (ElementTransformation &tr, const IntegrationRule &ir, DenseMatrix &grad) const |
void | GetGradients (const int elem, const IntegrationRule &ir, DenseMatrix &grad) const |
void | GetVectorGradient (ElementTransformation &tr, DenseMatrix &grad) const |
void | GetElementAverages (GridFunction &avgs) const |
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=infinity()) |
void | ProjectGridFunction (const GridFunction &src) |
Project the src GridFunction to this GridFunction, both of which must be on the same mesh. More... | |
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 | ProjectBdrCoefficient (Coefficient &coeff, Array< int > &attr) |
Project a Coefficient on the GridFunction, modifying only DOFs on the boundary associated with the boundary attributes marked in the attr array. More... | |
void | ProjectBdrCoefficientNormal (VectorCoefficient &vcoeff, Array< int > &bdr_attr) |
virtual double | ComputeH1Error (Coefficient *exsol, VectorCoefficient *exgrad, Coefficient *ell_coef, double Nu, int norm_type) const |
virtual double | ComputeW11Error (Coefficient *exsol, VectorCoefficient *exgrad, int norm_type, Array< int > *elems=NULL, const IntegrationRule *irs[]=NULL) const |
virtual void | ComputeElementLpErrors (const double p, Coefficient &exsol, GridFunction &error, Coefficient *weight=NULL, const IntegrationRule *irs[]=NULL) const |
virtual void | ComputeElementL1Errors (Coefficient &exsol, GridFunction &error, const IntegrationRule *irs[]=NULL) const |
virtual void | ComputeElementL2Errors (Coefficient &exsol, GridFunction &error, const IntegrationRule *irs[]=NULL) const |
virtual void | ComputeElementMaxErrors (Coefficient &exsol, GridFunction &error, const IntegrationRule *irs[]=NULL) const |
virtual void | ComputeElementLpErrors (const double p, VectorCoefficient &exsol, GridFunction &error, Coefficient *weight=NULL, VectorCoefficient *v_weight=NULL, const IntegrationRule *irs[]=NULL) const |
virtual void | ComputeElementL1Errors (VectorCoefficient &exsol, GridFunction &error, const IntegrationRule *irs[]=NULL) const |
virtual void | ComputeElementL2Errors (VectorCoefficient &exsol, GridFunction &error, const IntegrationRule *irs[]=NULL) const |
virtual void | ComputeElementMaxErrors (VectorCoefficient &exsol, GridFunction &error, const IntegrationRule *irs[]=NULL) const |
GridFunction & | operator= (double value) |
Redefine '=' for GridFunction = constant. More... | |
GridFunction & | operator= (const Vector &v) |
Copy the data from v. More... | |
FiniteElementSpace * | FESpace () |
const FiniteElementSpace * | FESpace () const |
void | MakeTRef (FiniteElementSpace *f, double *tv) |
Associate a new FiniteElementSpace and new true-dof data with the GridFunction. More... | |
void | MakeTRef (FiniteElementSpace *f, Vector &tv, int tv_offset) |
Associate a new FiniteElementSpace and new true-dof data with the GridFunction. 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... | |
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Vector () | |
Default constructor for Vector. Sets size = 0 and data = NULL. More... | |
Vector (const Vector &) | |
Copy constructor. Allocates a new data array and copies the data. 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... | |
Vector (int size_, MemoryType mt) | |
Create a Vector of size size_ using MemoryType mt. More... | |
void | UseDevice (bool use_dev) const |
Enable execution of Vector operations using the mfem::Device. More... | |
bool | UseDevice () const |
Return the device flag of the Memory object used by the Vector. 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, reading the size from the stream. More... | |
void | SetSize (int s) |
Resize the vector to size s. More... | |
void | SetSize (int s, MemoryType mt) |
Resize the vector to size s using MemoryType mt. More... | |
void | SetSize (int s, Vector &v) |
Resize the vector to size s using the MemoryType of v. More... | |
void | SetData (double *d) |
void | SetDataAndSize (double *d, int s) |
Set the Vector data and size. More... | |
void | NewDataAndSize (double *d, int s) |
Set the Vector data and size, deleting the old data, if owned. More... | |
void | NewMemoryAndSize (const Memory< double > &mem, int s, bool own_mem) |
Reset the Vector to use the given external Memory mem and size s. More... | |
void | MakeRef (Vector &base, int offset, int size) |
Reset the Vector to be a reference to a sub-vector of base. More... | |
void | MakeRef (Vector &base, int offset) |
Reset the Vector to be a reference to a sub-vector of base without changing its current size. More... | |
void | MakeDataOwner () const |
Set the Vector data (host pointer) ownership flag. More... | |
void | Destroy () |
Destroy a vector. More... | |
int | Size () const |
Returns the size of the vector. More... | |
int | Capacity () const |
Return the size of the currently allocated data array. More... | |
double * | GetData () const |
Return a pointer to the beginning of the Vector data. More... | |
operator double * () | |
Conversion to double * . More... | |
operator const double * () const | |
Conversion to const double * . More... | |
Memory< double > & | GetMemory () |
Return a reference to the Memory object used by the Vector. More... | |
const Memory< double > & | GetMemory () const |
Return a reference to the Memory object used by the Vector, const version. More... | |
void | SyncMemory (const Vector &v) |
Update the memory location of the vector to match v. More... | |
void | SyncAliasMemory (const Vector &v) |
Update the alias memory location of the vector to match v. More... | |
bool | OwnsData () const |
Read the Vector data (host pointer) ownership flag. More... | |
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) |
Access Vector entries. Index i = 0 .. size-1. More... | |
const double & | Elem (int i) const |
Read only access to Vector entries. Index i = 0 .. size-1. More... | |
double & | operator() (int i) |
Access Vector entries using () for 0-based indexing. More... | |
const double & | operator() (int i) const |
Read only access to Vector entries using () for 0-based indexing. More... | |
double | operator* (const double *) const |
Dot product with a double * array. More... | |
double | operator* (const Vector &v) const |
Return the inner-product. More... | |
Vector & | operator= (const double *v) |
Copy Size() entries from v. More... | |
Vector & | operator= (const Vector &v) |
Copy assignment. 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 double value) |
Set the entries listed in dofs to the given value . More... | |
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=mfem::out, 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 | DistanceSquaredTo (const double *p) const |
Compute the square of the Euclidean distance to another vector. More... | |
double | DistanceTo (const double *p) const |
Compute the Euclidean distance to another vector. More... | |
int | CheckFinite () const |
Count the number of entries in the Vector for which isfinite is false, i.e. the entry is a NaN or +/-Inf. More... | |
virtual | ~Vector () |
Destroys vector. More... | |
const double * | Read (bool on_dev=true) const |
Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), on_dev). More... | |
const double * | HostRead () const |
Shortcut for mfem::Read(vec.GetMemory(), vec.Size(), false). More... | |
double * | Write (bool on_dev=true) |
Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), on_dev). More... | |
double * | HostWrite () |
Shortcut for mfem::Write(vec.GetMemory(), vec.Size(), false). More... | |
double * | ReadWrite (bool on_dev=true) |
Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), on_dev). More... | |
double * | HostReadWrite () |
Shortcut for mfem::ReadWrite(vec.GetMemory(), vec.Size(), false). More... | |
Vector (N_Vector nv) | |
Construct a wrapper Vector from SUNDIALS N_Vector. More... | |
virtual N_Vector | ToNVector () |
Return a new wrapper SUNDIALS N_Vector of type SUNDIALS_NVEC_SERIAL. More... | |
virtual void | ToNVector (N_Vector &nv) |
Update an existing wrapper SUNDIALS N_Vector to point to this Vector. More... | |
Protected Member Functions | |
void | ProjectBdrCoefficient (Coefficient *coeff[], VectorCoefficient *vcoeff, Array< int > &attr) |
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void | SaveSTLTri (std::ostream &out, double p1[], double p2[], double p3[]) |
void | GetVectorGradientHat (ElementTransformation &T, DenseMatrix &gh) const |
void | ProjectDeltaCoefficient (DeltaCoefficient &delta_coeff, double &integral) |
void | SumFluxAndCount (BilinearFormIntegrator &blfi, GridFunction &flux, Array< int > &counts, bool wcoef, int subdomain) |
void | ProjectDiscCoefficient (VectorCoefficient &coeff, Array< int > &dof_attr) |
void | Destroy () |
void | AccumulateAndCountZones (Coefficient &coeff, AvgType type, Array< int > &zones_per_vdof) |
Accumulates (depending on type) the values of coeff at all shared vdofs and counts in how many zones each vdof appears. More... | |
void | AccumulateAndCountZones (VectorCoefficient &vcoeff, AvgType type, Array< int > &zones_per_vdof) |
Accumulates (depending on type) the values of vcoeff at all shared vdofs and counts in how many zones each vdof appears. More... | |
void | AccumulateAndCountBdrValues (Coefficient *coeff[], VectorCoefficient *vcoeff, Array< int > &attr, Array< int > &values_counter) |
void | AccumulateAndCountBdrTangentValues (VectorCoefficient &vcoeff, Array< int > &bdr_attr, Array< int > &values_counter) |
void | ComputeMeans (AvgType type, Array< int > &zones_per_vdof) |
Protected Attributes | |
ParFiniteElementSpace * | pfes |
Points to the same object as fes. More... | |
Vector | face_nbr_data |
Vector used to store data from face-neighbor processors, initialized by ExchangeFaceNbrData(). More... | |
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FiniteElementSpace * | fes |
FE space on which the grid function lives. Owned if fec is not NULL. More... | |
FiniteElementCollection * | fec |
Used when the grid function is read from a file. It can also be set explicitly, see MakeOwner(). More... | |
long | sequence |
Vector | t_vec |
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Memory< double > | data |
int | size |
Additional Inherited Members | |
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enum | AvgType { ARITHMETIC, HARMONIC } |
Class for parallel grid function.
Definition at line 32 of file pgridfunc.hpp.
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inline |
Definition at line 45 of file pgridfunc.hpp.
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inline |
Copy constructor. The internal vector face_nbr_data is not copied.
Definition at line 48 of file pgridfunc.hpp.
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inline |
Definition at line 51 of file pgridfunc.hpp.
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inline |
Construct a ParGridFunction using previously allocated array data.
The ParGridFunction does not assume ownership of data which is assumed to be of size at least pf->GetVSize()
. Similar to the GridFunction and Vector constructors for externally allocated array, the pointer data can be NULL. The data array can be replaced later using the method SetData().
Definition at line 60 of file pgridfunc.hpp.
mfem::ParGridFunction::ParGridFunction | ( | ParFiniteElementSpace * | pf, |
GridFunction * | gf | ||
) |
Construct a ParGridFunction using a GridFunction as external data.
The parallel space *pf and the space used by *gf should match. The data from *gf is used as the local data of the ParGridFunction on each processor. The ParGridFunction does not assume ownership of the data.
Definition at line 25 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 31 of file pgridfunc.cpp.
mfem::ParGridFunction::ParGridFunction | ( | ParMesh * | pmesh, |
const GridFunction * | gf, | ||
const int * | partitioning = NULL |
||
) |
Construct a local ParGridFunction from the given global GridFunction. If partitioning is NULL (default), the data from gf is NOT copied.
Definition at line 37 of file pgridfunc.cpp.
mfem::ParGridFunction::ParGridFunction | ( | ParMesh * | pmesh, |
std::istream & | input | ||
) |
Construct a ParGridFunction on a given ParMesh, pmesh, reading from an std::istream.
In the process, a ParFiniteElementSpace and a FiniteElementCollection are constructed. The new ParGridFunction assumes ownership of both.
Definition at line 71 of file pgridfunc.cpp.
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inlinevirtual |
Definition at line 321 of file pgridfunc.hpp.
void mfem::ParGridFunction::AddDistribute | ( | double | a, |
const Vector * | tv | ||
) |
Definition at line 138 of file pgridfunc.cpp.
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Definition at line 156 of file pgridfunc.hpp.
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Reimplemented from mfem::GridFunction.
Definition at line 669 of file pgridfunc.cpp.
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Definition at line 235 of file pgridfunc.hpp.
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inlinevirtual |
Reimplemented from mfem::GridFunction.
Definition at line 242 of file pgridfunc.hpp.
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inlinevirtual |
Reimplemented from mfem::GridFunction.
Definition at line 246 of file pgridfunc.hpp.
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inlinevirtual |
Reimplemented from mfem::GridFunction.
Definition at line 250 of file pgridfunc.hpp.
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inlinevirtual |
Reimplemented from mfem::GridFunction.
Definition at line 257 of file pgridfunc.hpp.
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inlinevirtual |
Reimplemented from mfem::GridFunction.
Definition at line 261 of file pgridfunc.hpp.
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Reimplemented from mfem::GridFunction.
Definition at line 289 of file pgridfunc.hpp.
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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.
Reimplemented from mfem::GridFunction.
Definition at line 300 of file pgridfunc.hpp.
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Reimplemented from mfem::GridFunction.
Definition at line 269 of file pgridfunc.hpp.
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inlinevirtual |
Reimplemented from mfem::GridFunction.
Definition at line 277 of file pgridfunc.hpp.
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Reimplemented from mfem::GridFunction.
Definition at line 283 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 132 of file pgridfunc.cpp.
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Definition at line 154 of file pgridfunc.hpp.
void mfem::ParGridFunction::ExchangeFaceNbrData | ( | ) |
Definition at line 205 of file pgridfunc.cpp.
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Definition at line 198 of file pgridfunc.hpp.
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Definition at line 199 of file pgridfunc.hpp.
HypreParVector * mfem::ParGridFunction::GetTrueDofs | ( | ) | const |
Returns the true dofs in a new HypreParVector.
Definition at line 143 of file pgridfunc.cpp.
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Reimplemented from mfem::GridFunction.
Definition at line 263 of file pgridfunc.cpp.
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Definition at line 204 of file pgridfunc.hpp.
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Make the ParGridFunction reference external data on a new FiniteElementSpace.
This method changes the FiniteElementSpace associated with the ParGridFunction and sets the pointer v as external data in the ParGridFunction. The new space f is expected to be a ParFiniteElementSpace.
Reimplemented from mfem::GridFunction.
Definition at line 102 of file pgridfunc.cpp.
void mfem::ParGridFunction::MakeRef | ( | ParFiniteElementSpace * | f, |
double * | v | ||
) |
Make the ParGridFunction reference external data on a new ParFiniteElementSpace.
This method changes the ParFiniteElementSpace associated with the ParGridFunction and sets the pointer v as external data in the ParGridFunction.
Definition at line 110 of file pgridfunc.cpp.
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Make the ParGridFunction reference external data on a new FiniteElementSpace.
This method changes the FiniteElementSpace associated with the ParGridFunction and sets the data of the Vector v (plus the v_offset) as external data in the ParGridFunction. The new space f is expected to be a ParFiniteElementSpace.
Reimplemented from mfem::GridFunction.
Definition at line 117 of file pgridfunc.cpp.
void mfem::ParGridFunction::MakeRef | ( | ParFiniteElementSpace * | f, |
Vector & | v, | ||
int | v_offset | ||
) |
Make the ParGridFunction reference external data on a new ParFiniteElementSpace.
This method changes the ParFiniteElementSpace associated with the ParGridFunction and sets the data of the Vector v (plus the v_offset) as external data in the ParGridFunction.
Definition at line 125 of file pgridfunc.cpp.
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Copy assignment. Only the data of the base class Vector is copied.
It is assumed that this object and rhs use ParFiniteElementSpaces that have the same size.
Definition at line 92 of file pgridfunc.hpp.
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Assign constant values to the ParGridFunction data.
Definition at line 96 of file pgridfunc.hpp.
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Copy the data from a Vector to the ParGridFunction data.
Definition at line 100 of file pgridfunc.hpp.
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Short semantic for Distribute()
Definition at line 162 of file pgridfunc.hpp.
void mfem::ParGridFunction::ParallelAssemble | ( | Vector & | tv | ) | const |
Returns the vector assembled on the true dofs.
Definition at line 188 of file pgridfunc.cpp.
void mfem::ParGridFunction::ParallelAssemble | ( | HypreParVector & | tv | ) | const |
Returns the vector assembled on the true dofs.
Definition at line 193 of file pgridfunc.cpp.
HypreParVector * mfem::ParGridFunction::ParallelAssemble | ( | ) | const |
Returns a new vector assembled on the true dofs.
Definition at line 198 of file pgridfunc.cpp.
void mfem::ParGridFunction::ParallelAverage | ( | Vector & | tv | ) | const |
Returns the vector averaged on the true dofs.
Definition at line 150 of file pgridfunc.cpp.
void mfem::ParGridFunction::ParallelAverage | ( | HypreParVector & | tv | ) | const |
Returns the vector averaged on the true dofs.
Definition at line 157 of file pgridfunc.cpp.
HypreParVector * mfem::ParGridFunction::ParallelAverage | ( | ) | const |
Returns a new vector averaged on the true dofs.
Definition at line 164 of file pgridfunc.cpp.
void mfem::ParGridFunction::ParallelProject | ( | Vector & | tv | ) | const |
Returns the vector restricted to the true dofs.
Definition at line 171 of file pgridfunc.cpp.
void mfem::ParGridFunction::ParallelProject | ( | HypreParVector & | tv | ) | const |
Returns the vector restricted to the true dofs.
Definition at line 176 of file pgridfunc.cpp.
HypreParVector * mfem::ParGridFunction::ParallelProject | ( | ) | const |
Returns a new vector restricted to the true dofs.
Definition at line 181 of file pgridfunc.cpp.
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Definition at line 103 of file pgridfunc.hpp.
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Definition at line 409 of file pgridfunc.cpp.
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inlinevirtual |
Project a VectorCoefficient on the GridFunction, modifying only DOFs on the boundary associated with the boundary attributes marked in the attr array.
Reimplemented from mfem::GridFunction.
Definition at line 223 of file pgridfunc.hpp.
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Project a set of Coefficients on the components of the GridFunction, modifying only DOFs on the boundary associated with the boundary attributed marked in the attr array.
If a Coefficient pointer in the array coeff is NULL, that component will not be touched.
Reimplemented from mfem::GridFunction.
Definition at line 228 of file pgridfunc.hpp.
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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.
Reimplemented from mfem::GridFunction.
Definition at line 447 of file pgridfunc.cpp.
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Reimplemented from mfem::GridFunction.
Definition at line 301 of file pgridfunc.cpp.
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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.
Reimplemented from mfem::GridFunction.
Definition at line 322 of file pgridfunc.cpp.
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Projects a discontinuous coefficient so that the values in shared vdofs are computed by taking an average of the possible values.
Reimplemented from mfem::GridFunction.
Definition at line 366 of file pgridfunc.cpp.
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Projects a discontinuous vector coefficient so that the values in shared vdofs are computed by taking an average of the possible values.
Reimplemented from mfem::GridFunction.
Definition at line 387 of file pgridfunc.cpp.
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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 485 of file pgridfunc.cpp.
void mfem::ParGridFunction::SaveAsOne | ( | std::ostream & | out = mfem::out | ) |
Merge the local grid functions.
Definition at line 501 of file pgridfunc.cpp.
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Set the GridFunction from the given true-dof vector.
Reimplemented from mfem::GridFunction.
Definition at line 159 of file pgridfunc.hpp.
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Associate a new FiniteElementSpace with the ParGridFunction.
The ParGridFunction is resized using the SetSize() method. The new space f is expected to be a ParFiniteElementSpace.
Reimplemented from mfem::GridFunction.
Definition at line 87 of file pgridfunc.cpp.
void mfem::ParGridFunction::SetSpace | ( | ParFiniteElementSpace * | f | ) |
Associate a new parallel space with the ParGridFunction.
Definition at line 95 of file pgridfunc.cpp.
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Transform by the Space UpdateMatrix (e.g., on Mesh change).
Reimplemented from mfem::GridFunction.
Definition at line 81 of file pgridfunc.cpp.
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Vector used to store data from face-neighbor processors, initialized by ExchangeFaceNbrData().
Definition at line 39 of file pgridfunc.hpp.
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Points to the same object as fes.
Definition at line 35 of file pgridfunc.hpp.