Class for linear form - Vector with associated FE space and LFIntegrators. More...

#include <linearform.hpp>

Inheritance diagram for mfem::LinearForm:

Collaboration diagram for mfem::LinearForm:

Public Member Functions
	LinearForm (FiniteElementSpace *f)
	Creates linear form associated with FE space *f. More...

	LinearForm ()

FiniteElementSpace *	GetFES ()
	(DEPRECATED) Return the FE space associated with the LinearForm. More...

FiniteElementSpace *	FESpace ()
	Read+write access to the associated FiniteElementSpace. More...

const FiniteElementSpace *	FESpace () const
	Read-only access to the associated FiniteElementSpace. More...

void	AddDomainIntegrator (LinearFormIntegrator *lfi)
	Adds new Domain Integrator. More...

void	AddBoundaryIntegrator (LinearFormIntegrator *lfi)
	Adds new Boundary Integrator. More...

void	AddBdrFaceIntegrator (LinearFormIntegrator *lfi)
	Adds new Boundary Face Integrator. More...

void	AddBdrFaceIntegrator (LinearFormIntegrator *lfi, Array< int > &bdr_attr_marker)
	Add new Boundary Face Integrator, restricted to the given boundary attributes. More...

void	Assemble ()
	Assembles the linear form i.e. sums over all domain/bdr integrators. More...

void	AssembleDelta ()
	Assembles delta functions of the linear form. More...

void	Update ()

void	Update (FiniteElementSpace *f)

void	Update (FiniteElementSpace *f, Vector &v, int v_offset)

double	operator() (const GridFunction &gf) const
	Return the action of the LinearForm as a linear mapping. More...

	~LinearForm ()
	Destroys linear form. More...

Public Member Functions inherited from mfem::Vector
	Vector ()
	Default constructor for Vector. Sets size = 0 and data = NULL. More...

	Vector (const Vector &)
	Copy constructor. Allocates a new data array and copies the data. More...

	Vector (int s)
	Creates vector of size s. More...

	Vector (double *_data, int _size)
	Creates a vector referencing an array of doubles, owned by someone else. More...

void	Load (std::istream *in, int np, int dim)
	Reads a vector from multiple files. More...

void	Load (std::istream &in, int Size)
	Load a vector from an input stream. More...

void	Load (std::istream &in)
	Load a vector from an input stream, reading the size from the stream. More...

void	SetSize (int s)
	Resize the vector to size s. More...

void	SetData (double *d)

void	SetDataAndSize (double *d, int s)
	Set the Vector data and size. More...

void	NewDataAndSize (double *d, int s)
	Set the Vector data and size, deleting the old data, if owned. More...

void	MakeDataOwner ()

void	Destroy ()
	Destroy a vector. More...

int	Size () const
	Returns the size of the vector. More...

int	Capacity () const
	Return the size of the currently allocated data array. More...

double *	GetData () const
	Return a pointer to the beginning of the Vector data. More...

	operator double * ()
	Conversion to `double *`. More...

	operator const double * () const
	Conversion to `const double *`. More...

bool	OwnsData () const

void	StealData (double **p)
	Changes the ownership of the data; after the call the Vector is empty. More...

double *	StealData ()
	Changes the ownership of the data; after the call the Vector is empty. More...

double &	Elem (int i)
	Access Vector entries. Index i = 0 .. size-1. More...

const double &	Elem (int i) const
	Read only access to Vector entries. Index i = 0 .. size-1. More...

double &	operator() (int i)
	Access Vector entries using () for 0-based indexing. More...

const double &	operator() (int i) const
	Read only access to Vector entries using () for 0-based indexing. More...

double	operator* (const double *) const
	Dot product with a `double *` array. More...

double	operator* (const Vector &v) const
	Return the inner-product. More...

Vector &	operator= (const double *v)
	Copy Size() entries from v. More...

Vector &	operator= (const Vector &v)
	Redefine '=' for vector = vector. More...

Vector &	operator= (double value)
	Redefine '=' for vector = constant. More...

Vector &	operator*= (double c)

Vector &	operator/= (double c)

Vector &	operator-= (double c)

Vector &	operator-= (const Vector &v)

Vector &	operator+= (const Vector &v)

Vector &	Add (const double a, const Vector &Va)
	(this) += a Va More...

Vector &	Set (const double a, const Vector &x)
	(this) = a x More...

void	SetVector (const Vector &v, int offset)

void	Neg ()
	(this) = -(this) More...

void	Swap (Vector &other)
	Swap the contents of two Vectors. More...

void	median (const Vector &lo, const Vector &hi)
	v = median(v,lo,hi) entrywise. Implementation assumes lo <= hi. More...

void	GetSubVector (const Array< int > &dofs, Vector &elemvect) const

void	GetSubVector (const Array< int > &dofs, double *elem_data) const

void	SetSubVector (const Array< int > &dofs, const double value)
	Set the entries listed in `dofs` to the given `value`. More...

void	SetSubVector (const Array< int > &dofs, const Vector &elemvect)

void	SetSubVector (const Array< int > &dofs, double *elem_data)

void	AddElementVector (const Array< int > &dofs, const Vector &elemvect)
	Add (element) subvector to the vector. More...

void	AddElementVector (const Array< int > &dofs, double *elem_data)

void	AddElementVector (const Array< int > &dofs, const double a, const Vector &elemvect)

void	SetSubVectorComplement (const Array< int > &dofs, const double val)
	Set all vector entries NOT in the 'dofs' array to the given 'val'. More...

void	Print (std::ostream &out=mfem::out, int width=8) const
	Prints vector to stream out. More...

void	Print_HYPRE (std::ostream &out) const
	Prints vector to stream out in HYPRE_Vector format. More...

void	Randomize (int seed=0)
	Set random values in the vector. More...

double	Norml2 () const
	Returns the l2 norm of the vector. More...

double	Normlinf () const
	Returns the l_infinity norm of the vector. More...

double	Norml1 () const
	Returns the l_1 norm of the vector. More...

double	Normlp (double p) const
	Returns the l_p norm of the vector. More...

double	Max () const
	Returns the maximal element of the vector. More...

double	Min () const
	Returns the minimal element of the vector. More...

double	Sum () const
	Return the sum of the vector entries. More...

double	DistanceSquaredTo (const double *p) const
	Compute the square of the Euclidean distance to another vector. More...

double	DistanceTo (const double *p) const
	Compute the Euclidean distance to another vector. More...

int	CheckFinite () const

virtual	~Vector ()
	Destroys vector. More...

	Vector (N_Vector nv)
	Construct a wrapper Vector from SUNDIALS N_Vector. More...

virtual N_Vector	ToNVector ()
	Return a new wrapper SUNDIALS N_Vector of type SUNDIALS_NVEC_SERIAL. More...

virtual void	ToNVector (N_Vector &nv)
	Update an existing wrapper SUNDIALS N_Vector to point to this Vector. More...

Additional Inherited Members
Protected Attributes inherited from mfem::Vector
int	size

int	allocsize

double *	data

Detailed Description

Class for linear form - Vector with associated FE space and LFIntegrators.

Definition at line 23 of file linearform.hpp.

Constructor & Destructor Documentation

mfem::LinearForm::LinearForm ( FiniteElementSpace * f )

inline

Creates linear form associated with FE space *f.

Definition at line 56 of file linearform.hpp.

mfem::LinearForm::LinearForm ( )

inline

Definition at line 59 of file linearform.hpp.

mfem::LinearForm::~LinearForm ( )

Destroys linear form.

Definition at line 183 of file linearform.cpp.

Member Function Documentation

void mfem::LinearForm::AddBdrFaceIntegrator ( LinearFormIntegrator * lfi )

Adds new Boundary Face Integrator.

Definition at line 38 of file linearform.cpp.

void mfem::LinearForm::AddBdrFaceIntegrator	(	LinearFormIntegrator *	lfi,
		Array< int > &	bdr_attr_marker
	)

Add new Boundary Face Integrator, restricted to the given boundary attributes.

Definition at line 44 of file linearform.cpp.

void mfem::LinearForm::AddBoundaryIntegrator ( LinearFormIntegrator * lfi )

Adds new Boundary Integrator.

Definition at line 33 of file linearform.cpp.

void mfem::LinearForm::AddDomainIntegrator ( LinearFormIntegrator * lfi )

Adds new Domain Integrator.

Definition at line 19 of file linearform.cpp.

void mfem::LinearForm::Assemble ( )

Assembles the linear form i.e. sums over all domain/bdr integrators.

Definition at line 51 of file linearform.cpp.

void mfem::LinearForm::AssembleDelta ( )

Assembles delta functions of the linear form.

Definition at line 143 of file linearform.cpp.

FiniteElementSpace* mfem::LinearForm::FESpace ( )

inline

Read+write access to the associated FiniteElementSpace.

Definition at line 66 of file linearform.hpp.

const FiniteElementSpace* mfem::LinearForm::FESpace ( ) const

inline

Read-only access to the associated FiniteElementSpace.

Definition at line 68 of file linearform.hpp.

FiniteElementSpace* mfem::LinearForm::GetFES ( )

inline

(DEPRECATED) Return the FE space associated with the LinearForm.

Deprecated:: Use FESpace() instead.

Definition at line 63 of file linearform.hpp.

double mfem::LinearForm::operator() ( const GridFunction & gf ) const

inline

Return the action of the LinearForm as a linear mapping.

Linear forms are linear functionals which map GridFunctions to the real numbers. This method performs this mapping which in this case is equivalent as an inner product of the LinearForm and GridFunction.

Definition at line 102 of file linearform.hpp.

void mfem::LinearForm::Update ( )

inline

Definition at line 90 of file linearform.hpp.

void mfem::LinearForm::Update ( FiniteElementSpace * f )

inline

Definition at line 92 of file linearform.hpp.

void mfem::LinearForm::Update	(	FiniteElementSpace *	f,
		Vector &	v,
		int	v_offset
	)

Definition at line 136 of file linearform.cpp.

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

fem/linearform.hpp
fem/linearform.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation