mfem::ScalarMatrixProductCoefficient Class Reference

Matrix coefficient defined as a product of a scalar coefficient and a matrix coefficient. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::ScalarMatrixProductCoefficient:

Collaboration diagram for mfem::ScalarMatrixProductCoefficient:

Public Member Functions
	ScalarMatrixProductCoefficient (real_t A, MatrixCoefficient &B)
	Constructor with one coefficient. Result is A*B.
	ScalarMatrixProductCoefficient (Coefficient &A, MatrixCoefficient &B)
	Constructor with two coefficients. Result is A*B.
void	SetTime (real_t t) override
	Set the time for internally stored coefficients.
void	SetAConst (real_t A)
	Reset the scalar factor as a constant.
real_t	GetAConst () const
	Return the scalar factor.
void	SetACoef (Coefficient &A)
	Reset the scalar factor.
Coefficient *	GetACoef () const
	Return the scalar factor.
void	SetBCoef (MatrixCoefficient &B)
	Reset the matrix factor.
MatrixCoefficient *	GetBCoef () const
	Return the matrix factor.
void	Eval (DenseMatrix &M, ElementTransformation &T, const IntegrationPoint &ip) override
	Evaluate the matrix coefficient at ip.
Public Member Functions inherited from mfem::MatrixCoefficient
	MatrixCoefficient (int dim, bool symm=false)
	Construct a dim x dim matrix coefficient.
	MatrixCoefficient (int h, int w, bool symm=false)
	Construct a h x w matrix coefficient.
real_t	GetTime ()
	Get the time for time dependent coefficients.
int	GetHeight () const
	Get the height of the matrix.
int	GetWidth () const
	Get the width of the matrix.
int	GetVDim () const
	For backward compatibility get the width of the matrix.
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.
virtual void	EvalSymmetric (Vector &K, ElementTransformation &T, const IntegrationPoint &ip)
	(DEPRECATED) Evaluate a symmetric matrix coefficient.
virtual	~MatrixCoefficient ()

Additional Inherited Members
Protected Attributes inherited from mfem::MatrixCoefficient
int	height
int	width
real_t	time
bool	symmetric

Detailed Description

Matrix coefficient defined as a product of a scalar coefficient and a matrix coefficient.

Definition at line 2167 of file coefficient.hpp.

Constructor & Destructor Documentation

ScalarMatrixProductCoefficient() [1/2]

mfem::ScalarMatrixProductCoefficient::ScalarMatrixProductCoefficient	(	real_t	A,
		MatrixCoefficient &	B )

Constructor with one coefficient. Result is A*B.

Definition at line 1351 of file coefficient.cpp.

ScalarMatrixProductCoefficient() [2/2]

mfem::ScalarMatrixProductCoefficient::ScalarMatrixProductCoefficient	(	Coefficient &	A,
		MatrixCoefficient &	B )

Constructor with two coefficients. Result is A*B.

Definition at line 1357 of file coefficient.cpp.

Member Function Documentation

Eval()

void mfem::ScalarMatrixProductCoefficient::Eval ( DenseMatrix & M, ElementTransformation & T, const IntegrationPoint & ip )

overridevirtual

Evaluate the matrix coefficient at ip.

Implements mfem::MatrixCoefficient.

Definition at line 1370 of file coefficient.cpp.

GetACoef()

Coefficient * mfem::ScalarMatrixProductCoefficient::GetACoef ( ) const

inline

Return the scalar factor.

Definition at line 2192 of file coefficient.hpp.

GetAConst()

real_t mfem::ScalarMatrixProductCoefficient::GetAConst ( ) const

inline

Return the scalar factor.

Definition at line 2187 of file coefficient.hpp.

GetBCoef()

MatrixCoefficient * mfem::ScalarMatrixProductCoefficient::GetBCoef ( ) const

inline

Return the matrix factor.

Definition at line 2197 of file coefficient.hpp.

SetACoef()

void mfem::ScalarMatrixProductCoefficient::SetACoef ( Coefficient & A )

inline

Reset the scalar factor.

Definition at line 2190 of file coefficient.hpp.

SetAConst()

void mfem::ScalarMatrixProductCoefficient::SetAConst ( real_t A )

inline

Reset the scalar factor as a constant.

Definition at line 2185 of file coefficient.hpp.

SetBCoef()

void mfem::ScalarMatrixProductCoefficient::SetBCoef ( MatrixCoefficient & B )

inline

Reset the matrix factor.

Definition at line 2195 of file coefficient.hpp.

SetTime()

void mfem::ScalarMatrixProductCoefficient::SetTime ( real_t t )

overridevirtual

Set the time for internally stored coefficients.

Reimplemented from mfem::MatrixCoefficient.

Definition at line 1363 of file coefficient.cpp.

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

• fem/coefficient.hpp
• fem/coefficient.cpp