Implementation of sweep operator () for enhanced Laplace operator, down operation. More...

#include <LaplaceEnhancedDownBBLinear.hpp>

Inheritance diagram for sgpp::pde::LaplaceEnhancedDownBBLinear:

Public Member Functions
	LaplaceEnhancedDownBBLinear (sgpp::base::GridStorage *storage)
	Constructor.

virtual void	operator() (sgpp::base::DataMatrix &source, sgpp::base::DataMatrix &result, grid_iterator &index, size_t dim)
	This operations performs the calculation of down in the direction of dimension dim on a grid with Dirichlet 0 boundary conditions.

virtual	~LaplaceEnhancedDownBBLinear ()
	Destructor.

Protected Types
typedef sgpp::base::GridStorage::grid_iterator	grid_iterator

Protected Member Functions
void	rec (double fl, double fr, size_t dim, grid_iterator &index)
	recursive function for the calculation of Down (L2 scalar product) without Bounding Box

void	rec_GL (double fl, double fr, size_t dim, grid_iterator &index)
	recursive function for the calculation of merged-Down (gradient and L2 scalar product) without Bounding Box

void	rec_grad (size_t dim, grid_iterator &index)
	recursive function for the calculation of Down (gradient) without Bounding Box

void	rec_LG (double fl, double fr, size_t dim, grid_iterator &index)
	recursive function for the calculation of merged-Down (L2 scalar product and gradient) without Bounding Box

void	rec_LL (double fl, double fr, double fl2, double fr2, size_t dim, grid_iterator &index)
	recursive function for the calculation of merged-Down (L2 scalar products) without Bounding Box

void	recBB (double fl, double fr, size_t dim, grid_iterator &index)
	recursive function for the calculation of Down (L2 scalar product) with Bounding Box

void	recBB_GL (double fl, double fr, size_t dim, grid_iterator &index)
	recursive function for the calculation of merged-Down (gradient and L2 scalar product) with Bounding Box

void	recBB_grad (size_t dim, grid_iterator &index)
	recursive function for the calculation of Down (gradient) with Bounding Box

void	recBB_LG (double fl, double fr, size_t dim, grid_iterator &index)
	recursive function for the calculation of merged-Down (L2 scalar product and gradient) with Bounding Box

void	recBB_LL (double fl, double fr, double fl2, double fr2, size_t dim, grid_iterator &index)
	recursive function for the calculation of merged-Down (L2 scalar products) with Bounding Box

Protected Attributes
const std::vector< size_t >	algoDims
	algorithmic dimensions, operator is applied in this dimensions

sgpp::base::BoundingBox *	boundingBox
	Pointer to the bounding box Obejct.

size_t	cur_algo_dim_
	current algorithmic dimension for the overall operator

const size_t	numAlgoDims_
	number of algorithmic dimensions

double *	ptr_result_
	pointer to DataMatrix containing result coefficients

double *	ptr_source_
	pointer to DataMatrix containing source coefficients

double	q_
	stretching of basis functions in current algorithmic domain

sgpp::base::GridStorage *	storage
	Pointer to the sgpp::base::GridStorage Object.

double	t_
	translation of basis function in current algorithmic domain

Detailed Description

Implementation of sweep operator () for enhanced Laplace operator, down operation.

This sweep operator calculates all downs (L2 scalar products and gradient) for a given dimension.

Member Typedef Documentation

◆ grid_iterator

typedef sgpp::base::GridStorage::grid_iterator sgpp::pde::LaplaceEnhancedDownBBLinear::grid_iterator

protected

Constructor & Destructor Documentation

◆ LaplaceEnhancedDownBBLinear()

sgpp::pde::LaplaceEnhancedDownBBLinear::LaplaceEnhancedDownBBLinear ( sgpp::base::GridStorage * storage )

explicit

Constructor.

Parameters

storage the grid's sgpp::base::GridStorage object

◆ ~LaplaceEnhancedDownBBLinear()

sgpp::pde::LaplaceEnhancedDownBBLinear::~LaplaceEnhancedDownBBLinear ( )

virtual

Destructor.

Member Function Documentation

◆ operator()()

void sgpp::pde::LaplaceEnhancedDownBBLinear::operator()	(	sgpp::base::DataMatrix &	source,
		sgpp::base::DataMatrix &	result,
		grid_iterator &	index,
		size_t	dim
	)

virtual

This operations performs the calculation of down in the direction of dimension dim on a grid with Dirichlet 0 boundary conditions.

Parameters

source	sgpp::base::DataMatrix that contains the gridpoint's coefficients (values from the vector of the laplace operation)
result	sgpp::base::DataMatrix that contains the result of the down operation
index	an iterator object of the grid
dim	current fixed dimension of the 'execution direction', here all downs are calculated

Reimplemented in sgpp::pde::LaplaceEnhancedDownBBLinearBoundary.

References algoDims, boundingBox, cur_algo_dim_, sgpp::base::BoundingBox::getIntervalOffset(), sgpp::base::BoundingBox::getIntervalWidth(), sgpp::base::DataMatrix::getPointer(), numAlgoDims_, ptr_result_, ptr_source_, q_, rec(), rec_GL(), rec_grad(), rec_LG(), rec_LL(), recBB(), recBB_GL(), recBB_grad(), recBB_LG(), recBB_LL(), and t_.

◆ rec()

void sgpp::pde::LaplaceEnhancedDownBBLinear::rec	(	double	fl,
		double	fr,
		size_t	dim,
		grid_iterator &	index
	)

protected

recursive function for the calculation of Down (L2 scalar product) without Bounding Box

Parameters

fl	function value on the left boundary
fr	function value on the right boundary
dim	current fixed dimension of the 'execution direction', here all downs are calculated
index	an iterator object of the grid

References cur_algo_dim_, sgpp::base::HashGridIterator::get(), h, sgpp::base::HashGridIterator::hint(), sgpp::base::HashGridStorage::isInvalidSequenceNumber(), sgpp::base::HashGridIterator::leftChild(), numAlgoDims_, ptr_result_, ptr_source_, rec(), sgpp::base::HashGridIterator::seq(), sgpp::base::HashGridIterator::stepRight(), storage, and sgpp::base::HashGridIterator::up().

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), and rec().

◆ rec_GL()

void sgpp::pde::LaplaceEnhancedDownBBLinear::rec_GL	(	double	fl,
		double	fr,
		size_t	dim,
		grid_iterator &	index
	)

protected

recursive function for the calculation of merged-Down (gradient and L2 scalar product) without Bounding Box

Parameters

fl	first function value on the left boundary, L2 scalar product
fr	first function value on the right boundary, L2 scalar product
dim	current fixed dimension of the 'execution direction', here all downs are calculated
index	an iterator object of the grid

References cur_algo_dim_, sgpp::base::HashGridIterator::get(), h, sgpp::base::HashGridIterator::hint(), sgpp::base::HashGridStorage::isInvalidSequenceNumber(), sgpp::base::HashGridIterator::leftChild(), numAlgoDims_, ptr_result_, ptr_source_, rec_GL(), sgpp::base::HashGridIterator::seq(), sgpp::base::HashGridIterator::stepRight(), storage, and sgpp::base::HashGridIterator::up().

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), and rec_GL().

◆ rec_grad()

void sgpp::pde::LaplaceEnhancedDownBBLinear::rec_grad	(	size_t	dim,
		grid_iterator &	index
	)

protected

recursive function for the calculation of Down (gradient) without Bounding Box

Parameters

dim	current fixed dimension of the 'execution direction', here all downs are calculated
index	an iterator object of the grid

References cur_algo_dim_, sgpp::base::HashGridIterator::get(), sgpp::base::HashGridIterator::hint(), sgpp::base::HashGridStorage::isInvalidSequenceNumber(), sgpp::base::HashGridIterator::leftChild(), numAlgoDims_, ptr_result_, ptr_source_, rec_grad(), sgpp::base::HashGridIterator::seq(), sgpp::base::HashGridIterator::stepRight(), storage, and sgpp::base::HashGridIterator::up().

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), and rec_grad().

◆ rec_LG()

void sgpp::pde::LaplaceEnhancedDownBBLinear::rec_LG	(	double	fl,
		double	fr,
		size_t	dim,
		grid_iterator &	index
	)

protected

recursive function for the calculation of merged-Down (L2 scalar product and gradient) without Bounding Box

Parameters

fl	first function value on the left boundary, L2 scalar product
fr	first function value on the right boundary, L2 scalar product
dim	current fixed dimension of the 'execution direction', here all downs are calculated
index	an iterator object of the grid

References cur_algo_dim_, sgpp::base::HashGridIterator::get(), h, sgpp::base::HashGridIterator::hint(), sgpp::base::HashGridStorage::isInvalidSequenceNumber(), sgpp::base::HashGridIterator::leftChild(), numAlgoDims_, ptr_result_, ptr_source_, rec_LG(), sgpp::base::HashGridIterator::seq(), sgpp::base::HashGridIterator::stepRight(), storage, and sgpp::base::HashGridIterator::up().

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), and rec_LG().

◆ rec_LL()

void sgpp::pde::LaplaceEnhancedDownBBLinear::rec_LL	(	double	fl,
		double	fr,
		double	fl2,
		double	fr2,
		size_t	dim,
		grid_iterator &	index
	)

protected

recursive function for the calculation of merged-Down (L2 scalar products) without Bounding Box

Parameters

fl	first function value on the left boundary
fr	first function value on the right boundary
fl2	second function value on the left boundary
fr2	second function value on the right boundary
dim	current fixed dimension of the 'execution direction', here all downs are calculated
index	an iterator object of the grid

References alpha, sgpp::base::HashGridIterator::get(), h, sgpp::base::HashGridIterator::hint(), sgpp::base::HashGridIterator::leftChild(), sgpp::base::HashGridIterator::seq(), sgpp::base::HashGridIterator::stepRight(), and sgpp::base::HashGridIterator::up().

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), and operator()().

◆ recBB()

void sgpp::pde::LaplaceEnhancedDownBBLinear::recBB	(	double	fl,
		double	fr,
		size_t	dim,
		grid_iterator &	index
	)

protected

recursive function for the calculation of Down (L2 scalar product) with Bounding Box

Parameters

fl	function value on the left boundary
fr	function value on the right boundary
dim	current fixed dimension of the 'execution direction', here all downs are calculated
index	an iterator object of the grid

References cur_algo_dim_, sgpp::base::HashGridIterator::get(), h, sgpp::base::HashGridIterator::hint(), sgpp::base::HashGridStorage::isInvalidSequenceNumber(), sgpp::base::HashGridIterator::leftChild(), numAlgoDims_, ptr_result_, ptr_source_, q_, recBB(), sgpp::base::HashGridIterator::seq(), sgpp::base::HashGridIterator::stepRight(), storage, and sgpp::base::HashGridIterator::up().

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), and recBB().

◆ recBB_GL()

void sgpp::pde::LaplaceEnhancedDownBBLinear::recBB_GL	(	double	fl,
		double	fr,
		size_t	dim,
		grid_iterator &	index
	)

protected

recursive function for the calculation of merged-Down (gradient and L2 scalar product) with Bounding Box

Parameters

fl	first function value on the left boundary, L2 scalar product
fr	first function value on the right boundary, L2 scalar product
dim	current fixed dimension of the 'execution direction', here all downs are calculated
index	an iterator object of the grid

References cur_algo_dim_, sgpp::base::HashGridIterator::get(), h, sgpp::base::HashGridIterator::hint(), sgpp::base::HashGridStorage::isInvalidSequenceNumber(), sgpp::base::HashGridIterator::leftChild(), numAlgoDims_, ptr_result_, ptr_source_, q_, recBB_GL(), sgpp::base::HashGridIterator::seq(), sgpp::base::HashGridIterator::stepRight(), storage, and sgpp::base::HashGridIterator::up().

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), and recBB_GL().

◆ recBB_grad()

void sgpp::pde::LaplaceEnhancedDownBBLinear::recBB_grad	(	size_t	dim,
		grid_iterator &	index
	)

protected

recursive function for the calculation of Down (gradient) with Bounding Box

Parameters

dim	current fixed dimension of the 'execution direction', here all downs are calculated
index	an iterator object of the grid

References cur_algo_dim_, sgpp::base::HashGridIterator::get(), sgpp::base::HashGridIterator::hint(), sgpp::base::HashGridStorage::isInvalidSequenceNumber(), sgpp::base::HashGridIterator::leftChild(), numAlgoDims_, ptr_result_, ptr_source_, q_, recBB_grad(), sgpp::base::HashGridIterator::seq(), sgpp::base::HashGridIterator::stepRight(), storage, and sgpp::base::HashGridIterator::up().

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), and recBB_grad().

◆ recBB_LG()

void sgpp::pde::LaplaceEnhancedDownBBLinear::recBB_LG	(	double	fl,
		double	fr,
		size_t	dim,
		grid_iterator &	index
	)

protected

recursive function for the calculation of merged-Down (L2 scalar product and gradient) with Bounding Box

Parameters

fl	first function value on the left boundary, L2 scalar product
fr	first function value on the right boundary, L2 scalar product
dim	current fixed dimension of the 'execution direction', here all downs are calculated
index	an iterator object of the grid

References cur_algo_dim_, sgpp::base::HashGridIterator::get(), h, sgpp::base::HashGridIterator::hint(), sgpp::base::HashGridStorage::isInvalidSequenceNumber(), sgpp::base::HashGridIterator::leftChild(), numAlgoDims_, ptr_result_, ptr_source_, q_, recBB_LG(), sgpp::base::HashGridIterator::seq(), sgpp::base::HashGridIterator::stepRight(), storage, and sgpp::base::HashGridIterator::up().

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), and recBB_LG().

◆ recBB_LL()

void sgpp::pde::LaplaceEnhancedDownBBLinear::recBB_LL	(	double	fl,
		double	fr,
		double	fl2,
		double	fr2,
		size_t	dim,
		grid_iterator &	index
	)

protected

recursive function for the calculation of merged-Down (L2 scalar products) with Bounding Box

Parameters

fl	first function value on the left boundary
fr	first function value on the right boundary
fl2	second function value on the left boundary
fr2	second function value on the right boundary
dim	current fixed dimension of the 'execution direction', here all downs are calculated
index	an iterator object of the grid

References cur_algo_dim_, sgpp::base::HashGridIterator::get(), h, sgpp::base::HashGridIterator::hint(), sgpp::base::HashGridStorage::isInvalidSequenceNumber(), sgpp::base::HashGridIterator::leftChild(), numAlgoDims_, ptr_result_, ptr_source_, q_, recBB_LL(), sgpp::base::HashGridIterator::seq(), sgpp::base::HashGridIterator::stepRight(), storage, and sgpp::base::HashGridIterator::up().

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), and recBB_LL().

Member Data Documentation

◆ algoDims

const std::vector<size_t> sgpp::pde::LaplaceEnhancedDownBBLinear::algoDims

protected

algorithmic dimensions, operator is applied in this dimensions

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), and operator()().

◆ boundingBox

sgpp::base::BoundingBox* sgpp::pde::LaplaceEnhancedDownBBLinear::boundingBox

protected

Pointer to the bounding box Obejct.

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), and operator()().

◆ cur_algo_dim_

size_t sgpp::pde::LaplaceEnhancedDownBBLinear::cur_algo_dim_

protected

current algorithmic dimension for the overall operator

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), rec(), rec_GL(), rec_grad(), rec_LG(), recBB(), recBB_GL(), recBB_grad(), recBB_LG(), and recBB_LL().

◆ numAlgoDims_

const size_t sgpp::pde::LaplaceEnhancedDownBBLinear::numAlgoDims_

protected

number of algorithmic dimensions

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), rec(), rec_GL(), rec_grad(), rec_LG(), recBB(), recBB_GL(), recBB_grad(), recBB_LG(), and recBB_LL().

◆ ptr_result_

double* sgpp::pde::LaplaceEnhancedDownBBLinear::ptr_result_

protected

pointer to DataMatrix containing result coefficients

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), rec(), rec_GL(), rec_grad(), rec_LG(), recBB(), recBB_GL(), recBB_grad(), recBB_LG(), and recBB_LL().

◆ ptr_source_

double* sgpp::pde::LaplaceEnhancedDownBBLinear::ptr_source_

protected

pointer to DataMatrix containing source coefficients

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), rec(), rec_GL(), rec_grad(), rec_LG(), recBB(), recBB_GL(), recBB_grad(), recBB_LG(), and recBB_LL().

◆ q_

double sgpp::pde::LaplaceEnhancedDownBBLinear::q_

protected

stretching of basis functions in current algorithmic domain

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), operator()(), recBB(), recBB_GL(), recBB_grad(), recBB_LG(), and recBB_LL().

◆ storage

sgpp::base::GridStorage* sgpp::pde::LaplaceEnhancedDownBBLinear::storage

protected

Pointer to the sgpp::base::GridStorage Object.

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), rec(), rec_GL(), rec_grad(), rec_LG(), recBB(), recBB_GL(), recBB_grad(), recBB_LG(), and recBB_LL().

◆ t_

double sgpp::pde::LaplaceEnhancedDownBBLinear::t_

protected

translation of basis function in current algorithmic domain

Referenced by sgpp::pde::LaplaceEnhancedDownBBLinearBoundary::operator()(), and operator()().

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

pde/src/sgpp/pde/basis/linear/noboundary/algorithm_sweep/LaplaceEnhancedDownBBLinear.hpp
pde/src/sgpp/pde/basis/linear/noboundary/algorithm_sweep/LaplaceEnhancedDownBBLinear.cpp

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

◆ grid_iterator

Constructor & Destructor Documentation

◆ LaplaceEnhancedDownBBLinear()

◆ ~LaplaceEnhancedDownBBLinear()

Member Function Documentation

◆ operator()()

◆ rec()

◆ rec_GL()

◆ rec_grad()

◆ rec_LG()

◆ rec_LL()

◆ recBB()

◆ recBB_GL()

◆ recBB_grad()

◆ recBB_LG()

◆ recBB_LL()

Member Data Documentation

◆ algoDims

◆ boundingBox

◆ cur_algo_dim_

◆ numAlgoDims_

◆ ptr_result_

◆ ptr_source_

◆ q_

◆ storage

◆ t_