MFEM
v4.0
Finite element discretization library
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Data and methods for matrix-free bilinear forms. More...
#include <bilinearform_ext.hpp>
Public Member Functions | |
MFBilinearFormExtension (BilinearForm *form) | |
void | Assemble () |
TODO. More... | |
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 | 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... | |
void | Update () |
~MFBilinearFormExtension () | |
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 | |
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... | |
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... | |
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(). 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... | |
Additional Inherited Members | |
Public Types inherited from mfem::Operator | |
enum | Type { ANY_TYPE, MFEM_SPARSEMAT, Hypre_ParCSR, PETSC_MATAIJ, PETSC_MATIS, PETSC_MATSHELL, PETSC_MATNEST, PETSC_MATHYPRE, PETSC_MATGENERIC } |
Enumeration defining IDs for some classes derived from Operator. More... | |
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... | |
Data and methods for matrix-free bilinear forms.
Definition at line 118 of file bilinearform_ext.hpp.
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inline |
Definition at line 121 of file bilinearform_ext.hpp.
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inline |
Definition at line 134 of file bilinearform_ext.hpp.
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inlinevirtual |
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inlinevirtual |
Implements mfem::BilinearFormExtension.
Definition at line 127 of file bilinearform_ext.hpp.
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inlinevirtual |
Implements mfem::BilinearFormExtension.
Definition at line 126 of file bilinearform_ext.hpp.
Operator application: y=A(x)
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Implements mfem::Operator.
Definition at line 131 of file bilinearform_ext.hpp.
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inlinevirtual |
Action of the transpose operator: y=A^t(x)
. The default behavior in class Operator is to generate an error.
Reimplemented from mfem::Operator.
Definition at line 132 of file bilinearform_ext.hpp.
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inlinevirtual |
Implements mfem::BilinearFormExtension.
Definition at line 133 of file bilinearform_ext.hpp.