#include <fe_values.hh>

Inheritance diagram for FEValuesBase< FV, spacedim >:

Collaboration diagram for FEValuesBase< FV, spacedim >:

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Classes
class	FEInternalData
	Structure for storing the precomputed finite element data. More...

struct	ViewsCache

Public Member Functions
	FEValuesBase ()
	Default constructor with postponed initialization. More...

template<unsigned int DIM>
void	initialize (Quadrature &_quadrature, FiniteElement< DIM > &_fe, UpdateFlags _flags)
	Initialize structures and calculates cell-independent data. More...

template<unsigned int DIM>
void	allocate (Quadrature &_quadrature, FiniteElement< DIM > &_fe, UpdateFlags flags)
	Allocates space for computed data. More...

unsigned int	n_points () const
	Returns the number of quadrature points. More...

unsigned int	n_dofs () const
	Returns the number of shape functions. More...

unsigned int	dim () const
	Return dimension of reference space. More...

const FEValuesViews::Scalar< FV, spacedim > &	scalar_view (unsigned int i) const
	Accessor to scalar values of multicomponent FE. More...

const FEValuesViews::Vector< FV, spacedim > &	vector_view (unsigned int i) const
	Accessor to vector values of multicomponent FE. More...

const FEValuesViews::Tensor< FV, spacedim > &	tensor_view (unsigned int i) const
	Accessor to tensor values of multicomponent FE. More...

template<class MapType >
void	fill_data_specialized (const ElementValues< spacedim > &elm_values, const typename FEValuesBase< FV, spacedim >::FEInternalData &fe_data)

Protected Member Functions
void	fill_data (const ElementValues< spacedim > &elm_values, const FEInternalData &fe_data)
	Computes the shape function values and gradients on the actual cell and fills the FEValues structure. More...

template<class MapType >
void	fill_data_specialized (const ElementValues< spacedim > &elm_values, const FEInternalData &fe_data)
	Computes the shape function values and gradients on the actual cell and fills the FEValues structure. Specialized variant of previous method for different FETypes given by template parameter. More...

virtual void	allocate_in (unsigned int)=0
	Initialize vectors declared separately in descendants. More...

virtual void	initialize_in (Quadrature &, unsigned int)=0
	Initialize ElementValues separately in descendants. More...

virtual void	init_fe_val_vec ()=0
	Initialize `fe_values_vec` only in PatchFEValues. More...

template<unsigned int DIM>
std::shared_ptr< typename FEValuesBase< FV, spacedim >::FEInternalData >	init_fe_data (const FiniteElement< DIM > &fe, const Quadrature &q)
	Precompute finite element data on reference element. More...

Protected Attributes
unsigned int	dim_
	Dimension of reference space. More...

unsigned int	n_points_
	Number of integration points. More...

unsigned int	n_dofs_
	Number of finite element dofs. More...

FEType	fe_type_
	Type of finite element (scalar, vector, tensor). More...

std::vector< std::vector< unsigned int > >	fe_sys_dofs_
	Dof indices of FESystem sub-elements. More...

std::vector< unsigned int >	fe_sys_n_components_
	Numbers of components of FESystem sub-elements in reference space. More...

std::vector< unsigned int >	fe_sys_n_space_components_
	Numbers of components of FESystem sub-elements in real space. More...

UpdateFlags	update_flags
	Flags that indicate which finite element quantities are to be computed. More...

std::vector< FV >	fe_values_vec
	Vector of FEValues for sub-elements of FESystem. More...

unsigned int	n_components_
	Number of components of the FE. More...

ViewsCache	views_cache_
	Auxiliary storage of FEValuesViews accessors. More...

std::shared_ptr< FEInternalData >	fe_data_
	Precomputed finite element data. More...

std::vector< shared_ptr< FEInternalData > >	side_fe_data_
	Precomputed FE data (shape functions on reference element) for all side quadrature points. More...

FV *	fv_
	Helper object, we need its for ViewsCache initialization. More...

Friends
class	MapScalar< FV, spacedim >

class	MapPiola< FV, spacedim >

class	MapContravariant< FV, spacedim >

class	MapVector< FV, spacedim >

class	MapTensor< FV, spacedim >

class	MapSystem< FV, spacedim >

Detailed Description

template<class FV, unsigned int spacedim = 3>
class FEValuesBase< FV, spacedim >

Definition at line 60 of file fe_values.hh.

Constructor & Destructor Documentation

◆ FEValuesBase()

template<class FV , unsigned int spacedim>

FEValuesBase< FV, spacedim >::FEValuesBase

Default constructor with postponed initialization.

Definition at line 42 of file fe_values.cc.

Member Function Documentation

◆ allocate()

template<class FV , unsigned int spacedim>

template<unsigned int DIM>

void FEValuesBase< FV, spacedim >::allocate	(	Quadrature &	_quadrature,
		FiniteElement< DIM > &	_fe,
		UpdateFlags	flags
	)

Allocates space for computed data.

Parameters

n_points	Number of quadrature points.
_fe	The finite element.
flags	The update flags.

Definition at line 176 of file fe_values.cc.

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◆ allocate_in()

template<class FV , unsigned int spacedim = 3>

virtual void FEValuesBase< FV, spacedim >::allocate_in ( unsigned int )

protectedpure virtual

Initialize vectors declared separately in descendants.

Implemented in PatchFEValues< spacedim >, PatchFEValues< 3 >, PatchFEValues< spacedim >, FEValues< spacedim >, and FEValues< 3 >.

◆ dim()

template<class FV , unsigned int spacedim = 3>

unsigned int FEValuesBase< FV, spacedim >::dim ( ) const

inline

Return dimension of reference space.

Definition at line 119 of file fe_values.hh.

◆ fill_data()

template<class FV , unsigned int spacedim = 3>

void FEValuesBase< FV, spacedim >::fill_data	(	const ElementValues< spacedim > &	elm_values,
		const FEInternalData &	fe_data
	)

protected

Computes the shape function values and gradients on the actual cell and fills the FEValues structure.

Parameters

fe_data Precomputed finite element data.

Definition at line 257 of file fe_values.cc.

◆ fill_data_specialized() [1/2]

template<class FV , unsigned int spacedim = 3>

template<class MapType >

void FEValuesBase< FV, spacedim >::fill_data_specialized	(	const ElementValues< spacedim > &	elm_values,
		const FEInternalData &	fe_data
	)

protected

Computes the shape function values and gradients on the actual cell and fills the FEValues structure. Specialized variant of previous method for different FETypes given by template parameter.

◆ fill_data_specialized() [2/2]

template<class FV , unsigned int spacedim = 3>

template<class MapType >

void FEValuesBase< FV, spacedim >::fill_data_specialized	(	const ElementValues< spacedim > &	elm_values,
		const typename FEValuesBase< FV, spacedim >::FEInternalData &	fe_data
	)

inline

Definition at line 287 of file fe_values.cc.

◆ init_fe_data()

template<class FV , unsigned int spacedim>

template<unsigned int DIM>

std::shared_ptr< typename FEValuesBase< FV, spacedim >::FEInternalData > FEValuesBase< FV, spacedim >::init_fe_data	(	const FiniteElement< DIM > &	fe,
		const Quadrature &	q
	)

protected

Precompute finite element data on reference element.

Definition at line 221 of file fe_values.cc.

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◆ init_fe_val_vec()

template<class FV , unsigned int spacedim = 3>

virtual void FEValuesBase< FV, spacedim >::init_fe_val_vec ( )

protectedpure virtual

Initialize fe_values_vec only in PatchFEValues.

Implemented in PatchFEValues< spacedim >, PatchFEValues< 3 >, PatchFEValues< spacedim >, FEValues< spacedim >, and FEValues< 3 >.

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◆ initialize()

template<class FV , unsigned int spacedim>

template<unsigned int DIM>

void FEValuesBase< FV, spacedim >::initialize	(	Quadrature &	_quadrature,
		FiniteElement< DIM > &	_fe,
		UpdateFlags	_flags
	)

Initialize structures and calculates cell-independent data.

Parameters

_quadrature	The quadrature rule for the cell associated to given finite element or for the cell side.
_fe	The finite element.
_flags	The update flags.

Definition at line 132 of file fe_values.cc.

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◆ initialize_in()

template<class FV , unsigned int spacedim = 3>

virtual void FEValuesBase< FV, spacedim >::initialize_in	(	Quadrature &	,
		unsigned int
	)

protectedpure virtual

Initialize ElementValues separately in descendants.

Implemented in PatchFEValues< spacedim >, PatchFEValues< 3 >, PatchFEValues< spacedim >, FEValues< spacedim >, and FEValues< 3 >.

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◆ n_dofs()

template<class FV , unsigned int spacedim = 3>

unsigned int FEValuesBase< FV, spacedim >::n_dofs ( ) const

inline

Returns the number of shape functions.

Definition at line 113 of file fe_values.hh.

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◆ n_points()

template<class FV , unsigned int spacedim = 3>

unsigned int FEValuesBase< FV, spacedim >::n_points ( ) const

inline

Returns the number of quadrature points.

Definition at line 107 of file fe_values.hh.

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◆ scalar_view()

template<class FV , unsigned int spacedim = 3>

const FEValuesViews::Scalar<FV, spacedim>& FEValuesBase< FV, spacedim >::scalar_view ( unsigned int i ) const

inline

Accessor to scalar values of multicomponent FE.

Parameters

i	Index of scalar component.

Definition at line 126 of file fe_values.hh.

◆ tensor_view()

template<class FV , unsigned int spacedim = 3>

const FEValuesViews::Tensor<FV, spacedim>& FEValuesBase< FV, spacedim >::tensor_view ( unsigned int i ) const

inline

Accessor to tensor values of multicomponent FE.

Parameters

i	Index of first tensor component.

Definition at line 146 of file fe_values.hh.

◆ vector_view()

template<class FV , unsigned int spacedim = 3>

const FEValuesViews::Vector<FV, spacedim>& FEValuesBase< FV, spacedim >::vector_view ( unsigned int i ) const

inline

Accessor to vector values of multicomponent FE.

Parameters

i	Index of first vector component.

Definition at line 136 of file fe_values.hh.

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Friends And Related Function Documentation

◆ MapContravariant< FV, spacedim >

template<class FV , unsigned int spacedim = 3>

friend class MapContravariant< FV, spacedim >

friend

Definition at line 262 of file fe_values.hh.

◆ MapPiola< FV, spacedim >

template<class FV , unsigned int spacedim = 3>

friend class MapPiola< FV, spacedim >

friend

Definition at line 262 of file fe_values.hh.

◆ MapScalar< FV, spacedim >

template<class FV , unsigned int spacedim = 3>

friend class MapScalar< FV, spacedim >

friend

Definition at line 262 of file fe_values.hh.

◆ MapSystem< FV, spacedim >

template<class FV , unsigned int spacedim = 3>

friend class MapSystem< FV, spacedim >

friend

Definition at line 262 of file fe_values.hh.

◆ MapTensor< FV, spacedim >

template<class FV , unsigned int spacedim = 3>

friend class MapTensor< FV, spacedim >

friend

Definition at line 262 of file fe_values.hh.

◆ MapVector< FV, spacedim >

template<class FV , unsigned int spacedim = 3>

friend class MapVector< FV, spacedim >

friend

Definition at line 262 of file fe_values.hh.

Member Data Documentation

◆ dim_

template<class FV , unsigned int spacedim = 3>

unsigned int FEValuesBase< FV, spacedim >::dim_

protected

Dimension of reference space.

Definition at line 223 of file fe_values.hh.

◆ fe_data_

template<class FV , unsigned int spacedim = 3>

std::shared_ptr<FEInternalData> FEValuesBase< FV, spacedim >::fe_data_

protected

Precomputed finite element data.

Definition at line 256 of file fe_values.hh.

◆ fe_sys_dofs_

template<class FV , unsigned int spacedim = 3>

std::vector<std::vector<unsigned int> > FEValuesBase< FV, spacedim >::fe_sys_dofs_

protected

Dof indices of FESystem sub-elements.

Definition at line 235 of file fe_values.hh.

◆ fe_sys_n_components_

template<class FV , unsigned int spacedim = 3>

std::vector<unsigned int> FEValuesBase< FV, spacedim >::fe_sys_n_components_

protected

Numbers of components of FESystem sub-elements in reference space.

Definition at line 238 of file fe_values.hh.

◆ fe_sys_n_space_components_

template<class FV , unsigned int spacedim = 3>

std::vector<unsigned int> FEValuesBase< FV, spacedim >::fe_sys_n_space_components_

protected

Numbers of components of FESystem sub-elements in real space.

Definition at line 241 of file fe_values.hh.

◆ fe_type_

template<class FV , unsigned int spacedim = 3>

FEType FEValuesBase< FV, spacedim >::fe_type_

protected

Type of finite element (scalar, vector, tensor).

Definition at line 232 of file fe_values.hh.

◆ fe_values_vec

template<class FV , unsigned int spacedim = 3>

std::vector<FV> FEValuesBase< FV, spacedim >::fe_values_vec

protected

Vector of FEValues for sub-elements of FESystem.

Definition at line 247 of file fe_values.hh.

◆ fv_

template<class FV , unsigned int spacedim = 3>

FV* FEValuesBase< FV, spacedim >::fv_

protected

Helper object, we need its for ViewsCache initialization.

Definition at line 262 of file fe_values.hh.

◆ n_components_

template<class FV , unsigned int spacedim = 3>

unsigned int FEValuesBase< FV, spacedim >::n_components_

protected

Number of components of the FE.

Definition at line 250 of file fe_values.hh.

◆ n_dofs_

template<class FV , unsigned int spacedim = 3>

unsigned int FEValuesBase< FV, spacedim >::n_dofs_

protected

Number of finite element dofs.

Definition at line 229 of file fe_values.hh.

◆ n_points_

template<class FV , unsigned int spacedim = 3>

unsigned int FEValuesBase< FV, spacedim >::n_points_

protected

Number of integration points.

Definition at line 226 of file fe_values.hh.

◆ side_fe_data_

template<class FV , unsigned int spacedim = 3>

std::vector<shared_ptr<FEInternalData> > FEValuesBase< FV, spacedim >::side_fe_data_

protected

Precomputed FE data (shape functions on reference element) for all side quadrature points.

Definition at line 259 of file fe_values.hh.

◆ update_flags

template<class FV , unsigned int spacedim = 3>

UpdateFlags FEValuesBase< FV, spacedim >::update_flags

protected

Flags that indicate which finite element quantities are to be computed.

Definition at line 244 of file fe_values.hh.

◆ views_cache_

template<class FV , unsigned int spacedim = 3>

ViewsCache FEValuesBase< FV, spacedim >::views_cache_

protected

Auxiliary storage of FEValuesViews accessors.

Definition at line 253 of file fe_values.hh.

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

/home/runner/work/flow123d/flow123d/src/fem/fe_values.hh
/home/runner/work/flow123d/flow123d/src/fem/fe_values.cc

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Detailed Description

template<class FV, unsigned int spacedim = 3> class FEValuesBase< FV, spacedim >

Constructor & Destructor Documentation

◆ FEValuesBase()

Member Function Documentation

◆ allocate()

◆ allocate_in()

◆ dim()

◆ fill_data()

◆ fill_data_specialized() [1/2]

◆ fill_data_specialized() [2/2]

◆ init_fe_data()

◆ init_fe_val_vec()

◆ initialize()

◆ initialize_in()

◆ n_dofs()

◆ n_points()

◆ scalar_view()

◆ tensor_view()

◆ vector_view()

Friends And Related Function Documentation

◆ MapContravariant< FV, spacedim >

◆ MapPiola< FV, spacedim >

◆ MapScalar< FV, spacedim >

◆ MapSystem< FV, spacedim >

◆ MapTensor< FV, spacedim >

◆ MapVector< FV, spacedim >

Member Data Documentation

◆ dim_

◆ fe_data_

◆ fe_sys_dofs_

◆ fe_sys_n_components_

◆ fe_sys_n_space_components_

◆ fe_type_

◆ fe_values_vec

◆ fv_

◆ n_components_

◆ n_dofs_

◆ n_points_

◆ side_fe_data_

◆ update_flags

◆ views_cache_

template<class FV, unsigned int spacedim = 3>
class FEValuesBase< FV, spacedim >