feMatrix< T > Class Template Reference

Inheritance diagram for feMatrix< T >:

Collaboration diagram for feMatrix< T >:

Public Member Functions
	feMatrix (ot::DA *da, unsigned int dof=1)
	constructs an FEM stiffness matrix class. More...
virtual void	matVec (const VECType *in, VECType *out, double scale=1.0)
	Computes the LHS of the weak formulation, normally the stifness matrix times a given vector. More...
virtual void	elementalMatVec (const VECType *in, VECType *out, double *coords=NULL, double scale=1.0)=0
	Computes the elemental matvec. More...
T &	asLeaf ()
	static cast to the leaf node of the inheritance
bool	preMatVec (const VECType *in, VECType *out, double scale=1.0)
	executed just before the matVec loop in matvec function More...
bool	postMatVec (const VECType *in, VECType *out, double scale=1.0)
	executed just after the matVec loop in matvec function More...
bool	preMat ()
	executed before the matrix assembly
bool	postMat ()
	executed after the matrix assembly
void	getElementalMatrix (unsigned int eleID, std::vector< ot::MatRecord > &records, double *coords)
	Compute the elemental Matrix. More...
Public Member Functions inherited from feMat
	feMat (ot::DA *da)
	: feMat constructor More...
	~feMat ()
	deconstructor
void	setProblemDimensions (const Point &pt_min, const Point &pt_max)
	set the problem dimension

Protected Attributes
unsigned int	m_uiDof
	number of dof
VECType *	m_uiEleVecIn
	element nodal vec in
VECType *	m_uiEleVecOut
double *	m_uiEleCoords
Protected Attributes inherited from feMat
ot::DA *	m_uiOctDA
	: pointer to OCT DA
ot::DAType	m_uiDaType
	: type of the DA
Point	m_uiPtMin
	problem domain min point
Point	m_uiPtMax
	problem domain max point

Constructor & Destructor Documentation

feMatrix()

template<typename T >

feMatrix< T >::feMatrix	(	ot::DA *	da,
		unsigned int	dof = 1
	)

constructs an FEM stiffness matrix class.

Parameters

[in]

da

octree DA

Member Function Documentation

elementalMatVec()

template<typename T>

virtual void feMatrix< T >::elementalMatVec ( const VECType *  in, VECType *  out, double *  coords = NULL, double  scale = 1.0  )

pure virtual

Computes the elemental matvec.

Parameters

[in]	in	input vector u
[out]	out	output vector Ku
[in]	default	parameter scale vector by scale*Ku

Implemented in HeatEq::HeatMat.

getElementalMatrix()

template<typename T>

void feMatrix< T >::getElementalMatrix ( unsigned int  eleID, std::vector< ot::MatRecord > &  records, double *  coords  )

inline

Compute the elemental Matrix.

Parameters

[in]	eleID	element ID
[in]	coords	: elemental coordinates
[out]	records	records corresponding to the elemental matrix.

matVec()

template<typename T >

void feMatrix< T >::matVec ( const VECType *  in, VECType *  out, double  scale = 1.0  )

virtual

Computes the LHS of the weak formulation, normally the stifness matrix times a given vector.

Parameters

[in]	in	input vector u
[out]	out	output vector Ku
[in]	default	parameter scale vector by scale*Ku

Implements feMat.

postMatVec()

template<typename T>

bool feMatrix< T >::postMatVec ( const VECType *  in, VECType *  out, double  scale = 1.0  )

inline

executed just after the matVec loop in matvec function

Parameters

[in]	in	: input Vector
[out]	out	output vector
[in]	scale	scalaing factror

preMatVec()

template<typename T>

bool feMatrix< T >::preMatVec ( const VECType *  in, VECType *  out, double  scale = 1.0  )

inline

executed just before the matVec loop in matvec function

Parameters

[in]	in	: input Vector
[out]	out	output vector
[in]	scale	scalaing factror

Member Data Documentation

m_uiEleCoords

template<typename T>

double* feMatrix< T >::m_uiEleCoords

protected

elemental coordinates

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

• FEM/include/feMatrix.h