Vector coefficient defined as the linear combination of two vectors. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::VectorSumCoefficient:

Collaboration diagram for mfem::VectorSumCoefficient:

Public Member Functions
	VectorSumCoefficient (int dim)

	VectorSumCoefficient (VectorCoefficient &A, VectorCoefficient &B, real_t alpha_=1.0, real_t beta_=1.0)

	VectorSumCoefficient (VectorCoefficient &A_, VectorCoefficient &B_, Coefficient &alpha_, Coefficient &beta_)

void	SetTime (real_t t)
	Set the time for internally stored coefficients.

void	SetACoef (VectorCoefficient &A_)
	Reset the first vector coefficient.

VectorCoefficient *	GetACoef () const
	Return the first vector coefficient.

void	SetBCoef (VectorCoefficient &B_)
	Reset the second vector coefficient.

VectorCoefficient *	GetBCoef () const
	Return the second vector coefficient.

void	SetAlphaCoef (Coefficient &A_)
	Reset the factor in front of the first vector coefficient.

Coefficient *	GetAlphaCoef () const
	Return the factor in front of the first vector coefficient.

void	SetBetaCoef (Coefficient &B_)
	Reset the factor in front of the second vector coefficient.

Coefficient *	GetBetaCoef () const
	Return the factor in front of the second vector coefficient.

void	SetA (const Vector &A_)
	Reset the first vector as a constant.

const Vector &	GetA () const
	Return the first vector constant.

void	SetB (const Vector &B_)
	Reset the second vector as a constant.

const Vector &	GetB () const
	Return the second vector constant.

void	SetAlpha (real_t alpha_)
	Reset the factor in front of the first vector coefficient as a constant.

real_t	GetAlpha () const
	Return the factor in front of the first vector coefficient.

void	SetBeta (real_t beta_)
	Reset the factor in front of the second vector coefficient as a constant.

real_t	GetBeta () const
	Return the factor in front of the second vector coefficient.

virtual void	Eval (Vector &V, ElementTransformation &T, const IntegrationPoint &ip)
	Evaluate the coefficient at ip.

virtual void	Eval (DenseMatrix &M, ElementTransformation &T, const IntegrationRule &ir)
	Evaluate the vector coefficient in the element described by T at all points of ir, storing the result in M.

Public Member Functions inherited from mfem::VectorCoefficient
	VectorCoefficient (int vd)
	Initialize the VectorCoefficient with vector dimension vd.

real_t	GetTime ()
	Get the time for time dependent coefficients.

int	GetVDim ()
	Returns dimension of the vector.

virtual void	Project (QuadratureFunction &qf)
	Fill the QuadratureFunction qf by evaluating the coefficient at the quadrature points.

virtual	~VectorCoefficient ()

Additional Inherited Members
Protected Attributes inherited from mfem::VectorCoefficient
int	vdim

real_t	time

Detailed Description

Vector coefficient defined as the linear combination of two vectors.

Definition at line 1765 of file coefficient.hpp.

Constructor & Destructor Documentation

◆ VectorSumCoefficient() [1/3]

mfem::VectorSumCoefficient::VectorSumCoefficient ( int dim )

Constructor with no coefficients. To be used with the various "Set" methods

Definition at line 1044 of file coefficient.cpp.

◆ VectorSumCoefficient() [2/3]

mfem::VectorSumCoefficient::VectorSumCoefficient	(	VectorCoefficient &	A,
		VectorCoefficient &	B,
		real_t	alpha_ = 1.0,
		real_t	beta_ = 1.0 )

Constructor with two vector coefficients. Result is alpha_ * A + beta_ * B

Definition at line 1054 of file coefficient.cpp.

◆ VectorSumCoefficient() [3/3]

mfem::VectorSumCoefficient::VectorSumCoefficient	(	VectorCoefficient &	A_,
		VectorCoefficient &	B_,
		Coefficient &	alpha_,
		Coefficient &	beta_ )

Constructor with scalar coefficients. Result is alpha_ * A_ + beta_ * B_

Definition at line 1068 of file coefficient.cpp.

Member Function Documentation

◆ Eval() [1/2]

void mfem::VectorCoefficient::Eval	(	DenseMatrix &	M,
		ElementTransformation &	T,
		const IntegrationRule &	ir )

virtual

Evaluate the vector coefficient in the element described by T at all points of ir, storing the result in M.

The dimensions of M are GetVDim() by ir.GetNPoints() and they must be set by the implementation of this method.

The general implementation provided by the base class (using the Eval method for one IntegrationPoint at a time) can be overloaded for more efficient implementation.

Note: The IntegrationPoint associated with T is not used, and this method will generally modify this IntegrationPoint associated with T.

Reimplemented from mfem::VectorCoefficient.

Definition at line 605 of file coefficient.cpp.

◆ Eval() [2/2]

void mfem::VectorSumCoefficient::Eval	(	Vector &	V,
		ElementTransformation &	T,
		const IntegrationPoint &	ip )

virtual

Evaluate the coefficient at ip.

Implements mfem::VectorCoefficient.

Definition at line 1094 of file coefficient.cpp.

◆ GetA()

const Vector & mfem::VectorSumCoefficient::GetA ( ) const

inline

Return the first vector constant.

Definition at line 1823 of file coefficient.hpp.

◆ GetACoef()

VectorCoefficient * mfem::VectorSumCoefficient::GetACoef ( ) const

inline

Return the first vector coefficient.

Definition at line 1803 of file coefficient.hpp.

◆ GetAlpha()

real_t mfem::VectorSumCoefficient::GetAlpha ( ) const

inline

Return the factor in front of the first vector coefficient.

Definition at line 1833 of file coefficient.hpp.

◆ GetAlphaCoef()

Coefficient * mfem::VectorSumCoefficient::GetAlphaCoef ( ) const

inline

Return the factor in front of the first vector coefficient.

Definition at line 1813 of file coefficient.hpp.

◆ GetB()

const Vector & mfem::VectorSumCoefficient::GetB ( ) const

inline

Return the second vector constant.

Definition at line 1828 of file coefficient.hpp.

◆ GetBCoef()

VectorCoefficient * mfem::VectorSumCoefficient::GetBCoef ( ) const

inline

Return the second vector coefficient.

Definition at line 1808 of file coefficient.hpp.

◆ GetBeta()

real_t mfem::VectorSumCoefficient::GetBeta ( ) const

inline

Return the factor in front of the second vector coefficient.

Definition at line 1838 of file coefficient.hpp.

◆ GetBetaCoef()

Coefficient * mfem::VectorSumCoefficient::GetBetaCoef ( ) const

inline

Return the factor in front of the second vector coefficient.

Definition at line 1818 of file coefficient.hpp.

◆ SetA()

void mfem::VectorSumCoefficient::SetA ( const Vector & A_ )

inline

Reset the first vector as a constant.

Definition at line 1821 of file coefficient.hpp.

◆ SetACoef()

void mfem::VectorSumCoefficient::SetACoef ( VectorCoefficient & A_ )

inline

Reset the first vector coefficient.

Definition at line 1801 of file coefficient.hpp.

◆ SetAlpha()

void mfem::VectorSumCoefficient::SetAlpha ( real_t alpha_ )

inline

Reset the factor in front of the first vector coefficient as a constant.

Definition at line 1831 of file coefficient.hpp.

◆ SetAlphaCoef()

void mfem::VectorSumCoefficient::SetAlphaCoef ( Coefficient & A_ )

inline

Reset the factor in front of the first vector coefficient.

Definition at line 1811 of file coefficient.hpp.

◆ SetB()

void mfem::VectorSumCoefficient::SetB ( const Vector & B_ )

inline

Reset the second vector as a constant.

Definition at line 1826 of file coefficient.hpp.

◆ SetBCoef()

void mfem::VectorSumCoefficient::SetBCoef ( VectorCoefficient & B_ )

inline

Reset the second vector coefficient.

Definition at line 1806 of file coefficient.hpp.

◆ SetBeta()

void mfem::VectorSumCoefficient::SetBeta ( real_t beta_ )

inline

Reset the factor in front of the second vector coefficient as a constant.

Definition at line 1836 of file coefficient.hpp.

◆ SetBetaCoef()

void mfem::VectorSumCoefficient::SetBetaCoef ( Coefficient & B_ )

inline

Reset the factor in front of the second vector coefficient.

Definition at line 1816 of file coefficient.hpp.

◆ SetTime()

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

virtual

Set the time for internally stored coefficients.

Reimplemented from mfem::VectorCoefficient.

Definition at line 1085 of file coefficient.cpp.

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

fem/coefficient.hpp
fem/coefficient.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ VectorSumCoefficient() [1/3]

◆ VectorSumCoefficient() [2/3]

◆ VectorSumCoefficient() [3/3]

Member Function Documentation

◆ Eval() [1/2]

◆ Eval() [2/2]

◆ GetA()

◆ GetACoef()

◆ GetAlpha()

◆ GetAlphaCoef()

◆ GetB()

◆ GetBCoef()

◆ GetBeta()

◆ GetBetaCoef()

◆ SetA()

◆ SetACoef()

◆ SetAlpha()

◆ SetAlphaCoef()

◆ SetB()

◆ SetBCoef()

◆ SetBeta()

◆ SetBetaCoef()

◆ SetTime()