Implements the Up/Down scheme with one dimension with a special operation. More...

#include <UpDownOneOpDimWithShadow.hpp>

Inheritance diagram for sgpp::pde::UpDownOneOpDimWithShadow:

Public Member Functions
virtual void	mult (sgpp::base::DataVector &alpha, sgpp::base::DataVector &result)
	starts the Multiplication with the matrix More...

	UpDownOneOpDimWithShadow (sgpp::base::GridStorage storage, sgpp::base::GridStorage shadowStorage)
	Constructor. More...

virtual	~UpDownOneOpDimWithShadow ()
	Destructor. More...

Public Member Functions inherited from sgpp::base::OperationMatrix
	OperationMatrix ()
	Constructor. More...

virtual	~OperationMatrix ()
	Destructor. More...

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

Protected Member Functions
virtual void	down (sgpp::base::DataVector &alpha, sgpp::base::DataVector &result, size_t dim)=0
	std 1D down operation More...

virtual void	downOpDim (sgpp::base::DataVector &alpha, sgpp::base::DataVector &result, size_t dim)=0
	special 1D down operation that is only executed in one direction More...

void	expandGrid ()
	This functions adds all grid points of the shadow storage into the actual grid. More...

void	shrinkGrid ()
	Removes the previously added shadow grid points from the actual grid. More...

virtual void	specialOP (sgpp::base::DataVector &alpha, sgpp::base::DataVector &result, size_t dim, size_t op_dim)
	All calculations for op_dim. More...

virtual void	up (sgpp::base::DataVector &alpha, sgpp::base::DataVector &result, size_t dim)=0
	std 1D up operation More...

void	updown (sgpp::base::DataVector &alpha, sgpp::base::DataVector &result, size_t dim, size_t op_dim)
	Recursive procedure for updown(). More...

virtual void	upOpDim (sgpp::base::DataVector &alpha, sgpp::base::DataVector &result, size_t dim)=0
	special 1D up operation that is only executed in one direction More...

Protected Attributes
sgpp::base::GridStorage *	shadowStorage

sgpp::base::GridStorage *	storage
	Pointer to the grid's storage object. More...

Detailed Description

Implements the Up/Down scheme with one dimension with a special operation.

Before the actual operation starts, all grid points from the shadow storage are copied into the actual grid. After the calculation, all shadow grid points are deleted, the result vector is adapted accordingly.

Member Typedef Documentation

◆ grid_iterator

typedef sgpp::base::GridStorage::grid_iterator sgpp::pde::UpDownOneOpDimWithShadow::grid_iterator

protected

Constructor & Destructor Documentation

◆ UpDownOneOpDimWithShadow()

sgpp::pde::UpDownOneOpDimWithShadow::UpDownOneOpDimWithShadow	(	sgpp::base::GridStorage *	storage,
		sgpp::base::GridStorage *	shadowStorage
	)

Constructor.

Parameters

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

References shadowStorage, and storage.

◆ ~UpDownOneOpDimWithShadow()

sgpp::pde::UpDownOneOpDimWithShadow::~UpDownOneOpDimWithShadow ( )

virtual

Destructor.

Member Function Documentation

◆ down()

virtual void sgpp::pde::UpDownOneOpDimWithShadow::down	(	sgpp::base::DataVector &	alpha,
		sgpp::base::DataVector &	result,
		size_t	dim
	)

protectedpure virtual

std 1D down operation

Parameters

dim	dimension in which to apply the down-part
alpha	vector of coefficients
result	vector to store the results in

Implemented in sgpp::pde::OperationLaplacePrewavelet.

Referenced by updown().

◆ downOpDim()

virtual void sgpp::pde::UpDownOneOpDimWithShadow::downOpDim	(	sgpp::base::DataVector &	alpha,
		sgpp::base::DataVector &	result,
		size_t	dim
	)

protectedpure virtual

special 1D down operation that is only executed in one direction

Parameters

alpha	the coefficients of the gridpoints
result	vector with the result of this operation
dim	the dimension in that down-Gradient is applied

Implemented in sgpp::pde::OperationLaplacePrewavelet.

Referenced by specialOP().

◆ expandGrid()

void sgpp::pde::UpDownOneOpDimWithShadow::expandGrid ( )

protected

This functions adds all grid points of the shadow storage into the actual grid.

References sgpp::base::HashGridStorage::getPoint(), sgpp::base::HashGridStorage::getSize(), python.statsfileInfo::i, sgpp::base::HashGridStorage::insert(), shadowStorage, and storage.

Referenced by mult().

◆ mult()

void sgpp::pde::UpDownOneOpDimWithShadow::mult	(	sgpp::base::DataVector &	alpha,
		sgpp::base::DataVector &	result
	)

virtual

starts the Multiplication with the matrix

Parameters

alpha	DataVector that contains the ansatzfunctions' coefficients
result	DataVector into which the result of the Laplace operation is stored

Implements sgpp::base::OperationMatrix.

References expandGrid(), sgpp::base::HashGridStorage::getDimension(), sgpp::base::HashGridStorage::getSize(), sgpp::base::DataVector::getSize(), python.statsfileInfo::i, sgpp::base::DataVector::setAll(), shrinkGrid(), storage, and updown().

◆ shrinkGrid()

void sgpp::pde::UpDownOneOpDimWithShadow::shrinkGrid ( )

protected

Removes the previously added shadow grid points from the actual grid.

Thus, the grid is the same shape as before the call of mult.

References sgpp::base::HashGridStorage::deleteLast(), sgpp::base::HashGridStorage::getSize(), python.statsfileInfo::i, shadowStorage, and storage.

Referenced by mult().

◆ specialOP()

void sgpp::pde::UpDownOneOpDimWithShadow::specialOP	(	sgpp::base::DataVector &	alpha,
		sgpp::base::DataVector &	result,
		size_t	dim,
		size_t	op_dim
	)

protectedvirtual

All calculations for op_dim.

Parameters

alpha	the coefficients of the grid points
result	the result of the operations
dim	the current dimension in the recursion
op_dim	the dimension in that a special operation is applied

References sgpp::base::DataVector::add(), downOpDim(), sgpp::base::DataVector::getSize(), sgpp::base::DataVector::setAll(), updown(), and upOpDim().

Referenced by updown().

◆ up()

virtual void sgpp::pde::UpDownOneOpDimWithShadow::up	(	sgpp::base::DataVector &	alpha,
		sgpp::base::DataVector &	result,
		size_t	dim
	)

protectedpure virtual

std 1D up operation

Parameters

dim	dimension in which to apply the up-part
alpha	vector of coefficients
result	vector to store the results in

Implemented in sgpp::pde::OperationLaplacePrewavelet.

Referenced by updown().

◆ updown()

void sgpp::pde::UpDownOneOpDimWithShadow::updown	(	sgpp::base::DataVector &	alpha,
		sgpp::base::DataVector &	result,
		size_t	dim,
		size_t	op_dim
	)

protected

Recursive procedure for updown().

Parameters

dim	the current dimension
op_dim	the dimension in which a special operation is applied
alpha	vector of coefficients
result	vector to store the results in

References sgpp::base::DataVector::add(), down(), sgpp::base::DataVector::getSize(), sgpp::base::DataVector::setAll(), specialOP(), and up().

Referenced by mult(), and specialOP().

◆ upOpDim()

virtual void sgpp::pde::UpDownOneOpDimWithShadow::upOpDim	(	sgpp::base::DataVector &	alpha,
		sgpp::base::DataVector &	result,
		size_t	dim
	)

protectedpure virtual

special 1D up operation that is only executed in one direction

Parameters

alpha	the coefficients of the gridpoints
result	vector with the result of this operation
dim	the dimension in that up-Gradient is applied

Implemented in sgpp::pde::OperationLaplacePrewavelet.

Referenced by specialOP().

Member Data Documentation

◆ shadowStorage

sgpp::base::GridStorage* sgpp::pde::UpDownOneOpDimWithShadow::shadowStorage

protected

Referenced by expandGrid(), shrinkGrid(), and UpDownOneOpDimWithShadow().

◆ storage

sgpp::base::GridStorage* sgpp::pde::UpDownOneOpDimWithShadow::storage

protected

Pointer to the grid's storage object.

Referenced by sgpp::pde::OperationLaplacePrewavelet::downOpDim(), expandGrid(), mult(), shrinkGrid(), sgpp::pde::OperationLaplacePrewavelet::up(), UpDownOneOpDimWithShadow(), and sgpp::pde::OperationLaplacePrewavelet::upOpDim().

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

pde/src/sgpp/pde/algorithm/UpDownOneOpDimWithShadow.hpp
pde/src/sgpp/pde/algorithm/UpDownOneOpDimWithShadow.cpp

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

◆ grid_iterator

Constructor & Destructor Documentation

◆ UpDownOneOpDimWithShadow()

◆ ~UpDownOneOpDimWithShadow()

Member Function Documentation

◆ down()

◆ downOpDim()

◆ expandGrid()

◆ mult()

◆ shrinkGrid()

◆ specialOP()

◆ up()

◆ updown()

◆ upOpDim()

Member Data Documentation

◆ shadowStorage

◆ storage