PrecalcShapeset Class Reference

Caches precalculated shape function values. More...

#include <precalc.h>

Public Member Functions
	PrecalcShapeset (Shapeset *shapeset)
	Constructs a standard (master) precalculated shapeset class.
	PrecalcShapeset (PrecalcShapeset *master_pss)
	Constructs a slave precalculated shapeset class.
virtual	~PrecalcShapeset ()
	Destructor.
virtual void	set_quad_2d (Quad2D *quad_2d)
	Selects the quadrature points in which the function will be evaluated.
virtual void	free ()
	Frees all precalculated tables.
virtual void	set_active_element (Element *e)
	Ensures subsequent calls to get_active_element() will be returning 'e'. Switches the class to the appropriate mode (triangle, quad).
void	set_active_shape (int index)
	Activates a shape function given by its index. The values of the shape function can then be obtained by setting the required integration rule order by calling set_quad_order() and after that calling get_values(), get_dx_values(), etc.
int	get_active_shape () const
	Returns the index of the active shape (can be negative if the shape is constrained).
Shapeset *	get_shapeset () const
	Returns a pointer to the shapeset which is being precalculated.
int	get_type () const
	Returns type of space (0 - H1, 1 - Hcurl, 2 - Hdiv).
void	set_mode (int mode)
	Internal. Use set_active_element() instead.
void	set_master_transform ()
	For internal use only.
void	dump_info (int quad, const char *filename)
Protected Member Functions
bool	is_slave () const
virtual void	precalculate (int order, int mask)
	precalculates the current function at the current integration points.
void	update_max_index ()
void	force_transform (uint64_t sub_idx, Trf *ctm)
	Forces a transform without using push_transform() etc. Used by the Solution class. For internal use only.
Protected Attributes
Shapeset *	shapeset
void *	tables
	primary Judy array of shapes
int	mode
int	index
int	max_index [2]
PrecalcShapeset *	master_pss
Friends
class	Solution
class	RefMap

Detailed Description

Caches precalculated shape function values.

PrecalcShapeset is a cache of precalculated shape function values.

Constructor & Destructor Documentation

PrecalcShapeset::PrecalcShapeset ( Shapeset * shapeset )

Constructs a standard (master) precalculated shapeset class.

Parameters:

shapeset

[in] Pointer to the shapeset to be precalculated.

PrecalcShapeset::PrecalcShapeset ( PrecalcShapeset * master_pss )

Constructs a slave precalculated shapeset class.

The slave instance does not hold any precalculated tables. Instead, it refers to those contained in the master instance. However, the slave can have different shape function active, different transform selected, etc. Slave pss's are used for test functions when calling bilinear forms, inside Solution so as not to disrupt user's pss, etc.

Parameters:

master_pss

[in] Master precalculated shapeset pointer.

PrecalcShapeset::~PrecalcShapeset ( ) [virtual]

Destructor.

Member Function Documentation

void PrecalcShapeset::dump_info	(	int	quad,
		const char *	filename
	)

void PrecalcShapeset::force_transform	(	uint64_t	sub_idx,
		Trf *	ctm
	)			`[inline, protected]`

Forces a transform without using push_transform() etc. Used by the Solution class. For internal use only.

Reimplemented from Function< TYPE >.

void PrecalcShapeset::free ( ) [virtual]

Frees all precalculated tables.

Implements Function< TYPE >.

int PrecalcShapeset::get_active_shape ( ) const [inline]

Returns the index of the active shape (can be negative if the shape is constrained).

Shapeset* PrecalcShapeset::get_shapeset ( ) const [inline]

Returns a pointer to the shapeset which is being precalculated.

int PrecalcShapeset::get_type ( ) const [inline]

Returns type of space (0 - H1, 1 - Hcurl, 2 - Hdiv).

bool PrecalcShapeset::is_slave ( ) const [inline, protected]

void PrecalcShapeset::precalculate	(	int	order,
		int	mask
	)			`[protected, virtual]`

precalculates the current function at the current integration points.

Implements Function< TYPE >.

void PrecalcShapeset::set_active_element ( Element * e ) [virtual]

Ensures subsequent calls to get_active_element() will be returning 'e'. Switches the class to the appropriate mode (triangle, quad).

Reimplemented from Transformable.

void PrecalcShapeset::set_active_shape ( int index )

Activates a shape function given by its index. The values of the shape function can then be obtained by setting the required integration rule order by calling set_quad_order() and after that calling get_values(), get_dx_values(), etc.

Parameters:

index

[in] Shape index.

void PrecalcShapeset::set_master_transform ( ) [inline]

For internal use only.

void PrecalcShapeset::set_mode ( int mode )

Internal. Use set_active_element() instead.

void PrecalcShapeset::set_quad_2d ( Quad2D * quad_2d ) [virtual]

Selects the quadrature points in which the function will be evaluated.

It is possible to switch back and forth between different quadrature points: no precalculated values are freed. The standard quadrature is always selected by default already.

Parameters:

quad_2d

[in] The quadrature points.

Reimplemented from Function< TYPE >.

void PrecalcShapeset::update_max_index ( ) [protected]