MFEM  v4.5.2
Finite element discretization library
Public Member Functions | List of all members
mfem::MatrixRestrictedCoefficient Class Reference

Derived matrix coefficient that has the value of the parent matrix coefficient where it is active and is zero otherwise. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::MatrixRestrictedCoefficient:
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Collaboration diagram for mfem::MatrixRestrictedCoefficient:
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Public Member Functions

 MatrixRestrictedCoefficient (MatrixCoefficient &mc, Array< int > &attr)
 Construct with a parent matrix coefficient and an array of zeros and ones representing the attributes for which this coefficient should be active. More...
 
void SetTime (double t)
 Set the time for internally stored coefficients. More...
 
virtual void Eval (DenseMatrix &K, ElementTransformation &T, const IntegrationPoint &ip)
 Evaluate the matrix coefficient at ip. More...
 
- Public Member Functions inherited from mfem::MatrixCoefficient
 MatrixCoefficient (int dim, bool symm=false)
 Construct a dim x dim matrix coefficient. More...
 
 MatrixCoefficient (int h, int w, bool symm=false)
 Construct a h x w matrix coefficient. More...
 
double GetTime ()
 Get the time for time dependent coefficients. More...
 
int GetHeight () const
 Get the height of the matrix. More...
 
int GetWidth () const
 Get the width of the matrix. More...
 
int GetVDim () const
 For backward compatibility get the width of the matrix. More...
 
bool IsSymmetric () const
 
virtual void Project (QuadratureFunction &qf, bool transpose=false)
 Fill the QuadratureFunction qf by evaluating the coefficient at the quadrature points. The matrix will be transposed or not according to the boolean argument transpose. More...
 
virtual void EvalSymmetric (Vector &K, ElementTransformation &T, const IntegrationPoint &ip)
 (DEPRECATED) Evaluate a symmetric matrix coefficient. More...
 
virtual ~MatrixCoefficient ()
 

Additional Inherited Members

- Protected Attributes inherited from mfem::MatrixCoefficient
int height
 
int width
 
double time
 
bool symmetric
 

Detailed Description

Derived matrix coefficient that has the value of the parent matrix coefficient where it is active and is zero otherwise.

Definition at line 1206 of file coefficient.hpp.

Constructor & Destructor Documentation

◆ MatrixRestrictedCoefficient()

mfem::MatrixRestrictedCoefficient::MatrixRestrictedCoefficient ( MatrixCoefficient mc,
Array< int > &  attr 
)
inline

Construct with a parent matrix coefficient and an array of zeros and ones representing the attributes for which this coefficient should be active.

Definition at line 1216 of file coefficient.hpp.

Member Function Documentation

◆ Eval()

void mfem::MatrixRestrictedCoefficient::Eval ( DenseMatrix K,
ElementTransformation T,
const IntegrationPoint ip 
)
virtual

Evaluate the matrix coefficient at ip.

Implements mfem::MatrixCoefficient.

Definition at line 883 of file coefficient.cpp.

◆ SetTime()

void mfem::MatrixRestrictedCoefficient::SetTime ( double  t)
virtual

Set the time for internally stored coefficients.

Reimplemented from mfem::MatrixCoefficient.

Definition at line 877 of file coefficient.cpp.


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