MFEM
v4.2.0
Finite element discretization library
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Data and methods for element-assembled bilinear forms. More...
#include <bilinearform_ext.hpp>
Public Member Functions | |
EABilinearFormExtension (BilinearForm *form) | |
void | Assemble () |
Assemble at the level given for the BilinearFormExtension subclass. More... | |
void | Mult (const Vector &x, Vector &y) const |
Operator application: y=A(x) . More... | |
void | MultTranspose (const Vector &x, Vector &y) const |
Action of the transpose operator: y=A^t(x) . The default behavior in class Operator is to generate an error. More... | |
Public Member Functions inherited from mfem::PABilinearFormExtension | |
PABilinearFormExtension (BilinearForm *) | |
void | AssembleDiagonal (Vector &diag) const |
void | FormSystemMatrix (const Array< int > &ess_tdof_list, OperatorHandle &A) |
void | FormLinearSystem (const Array< int > &ess_tdof_list, Vector &x, Vector &b, OperatorHandle &A, Vector &X, Vector &B, int copy_interior=0) |
void | Update () |
Public Member Functions inherited from mfem::BilinearFormExtension | |
BilinearFormExtension (BilinearForm *form) | |
virtual MemoryClass | GetMemoryClass () const |
Return the MemoryClass preferred by the Operator. More... | |
virtual const Operator * | GetProlongation () const |
Get the finite element space prolongation matrix. More... | |
virtual const Operator * | GetRestriction () const |
Get the finite element space restriction matrix. More... | |
Public Member Functions inherited from mfem::Operator | |
void | InitTVectors (const Operator *Po, const Operator *Ri, const Operator *Pi, Vector &x, Vector &b, Vector &X, Vector &B) const |
Initializes memory for true vectors of linear system. More... | |
Operator (int s=0) | |
Construct a square Operator with given size s (default 0). More... | |
Operator (int h, int w) | |
Construct an Operator with the given height (output size) and width (input size). More... | |
int | Height () const |
Get the height (size of output) of the Operator. Synonym with NumRows(). More... | |
int | NumRows () const |
Get the number of rows (size of output) of the Operator. Synonym with Height(). More... | |
int | Width () const |
Get the width (size of input) of the Operator. Synonym with NumCols(). More... | |
int | NumCols () const |
Get the number of columns (size of input) of the Operator. Synonym with Width(). More... | |
virtual Operator & | GetGradient (const Vector &x) const |
Evaluate the gradient operator at the point x. The default behavior in class Operator is to generate an error. More... | |
virtual const Operator * | GetOutputProlongation () const |
Prolongation operator from linear algebra (linear system) vectors, to output vectors for the operator. NULL means identity. More... | |
virtual const Operator * | GetOutputRestriction () const |
Restriction operator from output vectors for the operator to linear algebra (linear system) vectors. NULL means identity. More... | |
void | FormLinearSystem (const Array< int > &ess_tdof_list, Vector &x, Vector &b, Operator *&A, Vector &X, Vector &B, int copy_interior=0) |
Form a constrained linear system using a matrix-free approach. More... | |
void | FormRectangularLinearSystem (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, Vector &x, Vector &b, Operator *&A, Vector &X, Vector &B) |
Form a column-constrained linear system using a matrix-free approach. More... | |
virtual void | RecoverFEMSolution (const Vector &X, const Vector &b, Vector &x) |
Reconstruct a solution vector x (e.g. a GridFunction) from the solution X of a constrained linear system obtained from Operator::FormLinearSystem() or Operator::FormRectangularLinearSystem(). More... | |
void | FormSystemOperator (const Array< int > &ess_tdof_list, Operator *&A) |
Return in A a parallel (on truedofs) version of this square operator. More... | |
void | FormRectangularSystemOperator (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, Operator *&A) |
Return in A a parallel (on truedofs) version of this rectangular operator (including constraints). More... | |
void | FormDiscreteOperator (Operator *&A) |
Return in A a parallel (on truedofs) version of this rectangular operator. More... | |
void | PrintMatlab (std::ostream &out, int n=0, int m=0) const |
Prints operator with input size n and output size m in Matlab format. More... | |
virtual | ~Operator () |
Virtual destructor. More... | |
Type | GetType () const |
Return the type ID of the Operator class. More... | |
Protected Attributes | |
int | ne |
int | elemDofs |
Vector | ea_data |
int | nf_int |
int | nf_bdr |
int | faceDofs |
Vector | ea_data_int |
Vector | ea_data_ext |
Vector | ea_data_bdr |
bool | factorize_face_terms |
Protected Attributes inherited from mfem::PABilinearFormExtension | |
const FiniteElementSpace * | trialFes |
const FiniteElementSpace * | testFes |
Vector | localX |
Vector | localY |
Vector | faceIntX |
Vector | faceIntY |
Vector | faceBdrX |
Vector | faceBdrY |
const Operator * | elem_restrict |
const Operator * | int_face_restrict_lex |
const Operator * | bdr_face_restrict_lex |
Protected Attributes inherited from mfem::BilinearFormExtension | |
BilinearForm * | a |
Not owned. More... | |
Protected Attributes inherited from mfem::Operator | |
int | height |
Dimension of the output / number of rows in the matrix. More... | |
int | width |
Dimension of the input / number of columns in the matrix. More... | |
Additional Inherited Members | |
Public Types inherited from mfem::Operator | |
enum | DiagonalPolicy { DIAG_ZERO, DIAG_ONE, DIAG_KEEP } |
Defines operator diagonal policy upon elimination of rows and/or columns. More... | |
enum | Type { ANY_TYPE, MFEM_SPARSEMAT, Hypre_ParCSR, PETSC_MATAIJ, PETSC_MATIS, PETSC_MATSHELL, PETSC_MATNEST, PETSC_MATHYPRE, PETSC_MATGENERIC, Complex_Operator, MFEM_ComplexSparseMat, Complex_Hypre_ParCSR } |
Enumeration defining IDs for some classes derived from Operator. More... | |
Protected Member Functions inherited from mfem::PABilinearFormExtension | |
void | SetupRestrictionOperators (const L2FaceValues m) |
Protected Member Functions inherited from mfem::Operator | |
void | FormConstrainedSystemOperator (const Array< int > &ess_tdof_list, ConstrainedOperator *&Aout) |
see FormSystemOperator() More... | |
void | FormRectangularConstrainedSystemOperator (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, RectangularConstrainedOperator *&Aout) |
see FormRectangularSystemOperator() More... | |
Operator * | SetupRAP (const Operator *Pi, const Operator *Po) |
Returns RAP Operator of this, taking in input/output Prolongation matrices. More... | |
Data and methods for element-assembled bilinear forms.
Definition at line 96 of file bilinearform_ext.hpp.
mfem::EABilinearFormExtension::EABilinearFormExtension | ( | BilinearForm * | form | ) |
Definition at line 498 of file bilinearform_ext.cpp.
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Assemble at the level given for the BilinearFormExtension subclass.
Reimplemented from mfem::PABilinearFormExtension.
Reimplemented in mfem::FABilinearFormExtension.
Definition at line 504 of file bilinearform_ext.cpp.
Operator application: y=A(x)
.
Reimplemented from mfem::PABilinearFormExtension.
Reimplemented in mfem::FABilinearFormExtension.
Definition at line 569 of file bilinearform_ext.cpp.
Action of the transpose operator: y=A^t(x)
. The default behavior in class Operator is to generate an error.
Reimplemented from mfem::PABilinearFormExtension.
Reimplemented in mfem::FABilinearFormExtension.
Definition at line 695 of file bilinearform_ext.cpp.
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Definition at line 102 of file bilinearform_ext.hpp.
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Definition at line 105 of file bilinearform_ext.hpp.
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Definition at line 105 of file bilinearform_ext.hpp.
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Definition at line 105 of file bilinearform_ext.hpp.
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Definition at line 100 of file bilinearform_ext.hpp.
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Definition at line 104 of file bilinearform_ext.hpp.
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Definition at line 106 of file bilinearform_ext.hpp.
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Definition at line 99 of file bilinearform_ext.hpp.
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Definition at line 103 of file bilinearform_ext.hpp.
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Definition at line 103 of file bilinearform_ext.hpp.