sgpp::base::OperationMultipleEvalPrewavelet Class Reference

This class implements OperationMultipleEval for a grids with prewavelet ansatzfunctions without boundaries. More...

#include <OperationMultipleEvalPrewavelet.hpp>

Inheritance diagram for sgpp::base::OperationMultipleEvalPrewavelet:

Public Member Functions
double	getDuration () override
void	mult (DataVector &alpha, DataVector &result) override
	Multiplication of \(B^T\) with vector \(\alpha\).
void	multTranspose (DataVector &source, DataVector &result) override
	Multiplication of \(B\) with vector \(\alpha\).
	OperationMultipleEvalPrewavelet (Grid &grid, DataMatrix &dataset)
	Constructor of OperationMultipleEvalPrewavelet.
	~OperationMultipleEvalPrewavelet () override
	Destructor.
Public Member Functions inherited from sgpp::base::OperationMultipleEval
void	eval (DataVector &alpha, DataVector &result)
	Evaluate multiple datapoints with the specified grid.
virtual std::string	getImplementationName ()
	Name of this implementation of the operation.
virtual void	mult (DataVector &alpha, DataVector &result, size_t startIndexData, size_t endIndexData)
	Multiplication of \(B^T\) with vector \(\alpha\).
virtual void	multTranspose (DataVector &source, DataVector &result, size_t startIndexGrid, size_t endIndexGrid)
	Multiplication of \(B\) with vector \(\alpha\).
	OperationMultipleEval (sgpp::base::Grid &grid, DataMatrix &dataset)
	Constructor.
virtual void	prepare ()
	Used for kernel-specific setup like special data structures that are defined from the current state of the grid.
virtual	~OperationMultipleEval ()
	Destructor.

Protected Attributes
GridStorage &	storage
	reference to the grid's GridStorage object
Protected Attributes inherited from sgpp::base::OperationMultipleEval
DataMatrix &	dataset
Grid &	grid
bool	isPrepared

Detailed Description

This class implements OperationMultipleEval for a grids with prewavelet ansatzfunctions without boundaries.

Constructor & Destructor Documentation

OperationMultipleEvalPrewavelet()

sgpp::base::OperationMultipleEvalPrewavelet::OperationMultipleEvalPrewavelet ( Grid &  grid, DataMatrix &  dataset  )

inline

Constructor of OperationMultipleEvalPrewavelet.

Parameters

grid	grid
dataset	Dataset

~OperationMultipleEvalPrewavelet()

sgpp::base::OperationMultipleEvalPrewavelet::~OperationMultipleEvalPrewavelet ( )

inlineoverride

Destructor.

Member Function Documentation

getDuration()

double sgpp::base::OperationMultipleEvalPrewavelet::getDuration ( )

overridevirtual

Implements sgpp::base::OperationMultipleEval.

mult()

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

overridevirtual

Multiplication of \(B^T\) with vector \(\alpha\).

Parameters

alpha	vector, to which \(B\) is applied. Typically the coefficient vector
result	the result vector of the matrix vector multiplication

Implements sgpp::base::OperationMultipleEval.

References alpha, sgpp::base::OperationMultipleEval::dataset, sgpp::base::AlgorithmDGEMV< BASIS >::mult(), and storage.

multTranspose()

void sgpp::base::OperationMultipleEvalPrewavelet::multTranspose ( DataVector &  source, DataVector &  result  )

overridevirtual

Multiplication of \(B\) with vector \(\alpha\).

Parameters

source	vector, to which \(B^T\) is applied. Typically the coefficient vector
result	the result vector of the matrix vector multiplication

Implements sgpp::base::OperationMultipleEval.

References sgpp::base::OperationMultipleEval::dataset, sgpp::base::AlgorithmDGEMV< BASIS >::mult_transposed(), and storage.

Member Data Documentation

storage

GridStorage& sgpp::base::OperationMultipleEvalPrewavelet::storage

protected

reference to the grid's GridStorage object

Referenced by mult(), and multTranspose().

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

• base/src/sgpp/base/operation/hash/OperationMultipleEvalPrewavelet.hpp
• base/src/sgpp/base/operation/hash/OperationMultipleEvalPrewavelet.cpp