A common interface for arbitrary rank tensors. More...

#include <GenericTensor.h>

Inheritance diagram for dolfin::GenericTensor:

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Collaboration diagram for dolfin::GenericTensor:

Public Member Functions
virtual	~GenericTensor ()
	Destructor.

virtual void	init (const TensorLayout &tensor_layout)=0
	Initialize zero tensor using tensor layout.

virtual bool	empty () const =0
	Return true if empty.

virtual std::size_t	rank () const =0
	Return tensor rank (number of dimensions)

virtual std::size_t	size (std::size_t dim) const =0
	Return size of given dimension.

virtual std::pair< std::int64_t, std::int64_t >	local_range (std::size_t dim) const =0
	Return local ownership range.

virtual void	get (double block, const dolfin::la_index num_rows, const dolfin::la_index const rows) const =0
	Get block of values.

virtual void	set (const double block, const dolfin::la_index num_rows, const dolfin::la_index const rows)=0
	Set block of values using global indices.

virtual void	set_local (const double block, const dolfin::la_index num_rows, const dolfin::la_index const rows)=0
	Set block of values using local indices.

virtual void	add (const double *block, const std::vector< ArrayView< const dolfin::la_index >> &rows)=0
	Add block of values using global indices.

virtual void	add_local (const double *block, const std::vector< ArrayView< const dolfin::la_index >> &rows)=0
	Add block of values using local indices.

virtual void	add (const double block, const dolfin::la_index num_rows, const dolfin::la_index const rows)=0
	Add block of values using global indices.

virtual void	add_local (const double block, const dolfin::la_index num_rows, const dolfin::la_index const rows)=0
	Add block of values using local indices.

virtual void	zero ()=0
	Set all entries to zero and keep any sparse structure.

virtual void	apply (std::string mode)=0
	Finalize assembly of tensor.

virtual std::string	str (bool verbose) const =0
	Return MPI communicator. More...

virtual GenericLinearAlgebraFactory &	factory () const =0
	Return linear algebra backend factory.

Public Member Functions inherited from dolfin::LinearAlgebraObject
virtual const LinearAlgebraObject *	instance () const
	Return concrete instance / unwrap (const version)

virtual LinearAlgebraObject *	instance ()
	Return concrete instance / unwrap (non-const version)

virtual std::shared_ptr< const LinearAlgebraObject >	shared_instance () const
	Return concrete shared ptr instance / unwrap (const version)

virtual std::shared_ptr< LinearAlgebraObject >	shared_instance ()
	Return concrete shared ptr instance / unwrap (non-const version)

virtual MPI_Comm	mpi_comm () const =0
	Return MPI communicator.

Public Member Functions inherited from dolfin::Variable
	Variable ()
	Create unnamed variable.

	Variable (const std::string name, const std::string label)
	Create variable with given name and label.

	Variable (const Variable &variable)
	Copy constructor.

virtual	~Variable ()
	Destructor.

const Variable &	operator= (const Variable &variable)
	Assignment operator.

void	rename (const std::string name, const std::string label)
	Rename variable.

std::string	name () const
	Return name.

std::string	label () const
	Return label (description)

std::size_t	id () const