sgpp::base::OperationMultipleEvalPoly Class Reference

This class implements OperationMultipleEval for a grids with poly basis ansatzfunctions. More...

#include <OperationMultipleEvalPoly.hpp>

Inheritance diagram for sgpp::base::OperationMultipleEvalPoly:

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

Protected Attributes
SPolyBase	base
	Poly Basis object. More...
GridStorage &	storage
	Pointer to GridStorage object. More...
Protected Attributes inherited from sgpp::base::OperationMultipleEval
DataMatrix &	dataset
Grid &	grid
bool	isPrepared

Detailed Description

This class implements OperationMultipleEval for a grids with poly basis ansatzfunctions.

Constructor & Destructor Documentation

OperationMultipleEvalPoly()

sgpp::base::OperationMultipleEvalPoly::OperationMultipleEvalPoly ( Grid &  grid, size_t  degree, DataMatrix &  dataset  )

inline

Constructor.

Parameters

grid	grid
degree	the polynom's max. degree
dataset	Dataset

~OperationMultipleEvalPoly()

sgpp::base::OperationMultipleEvalPoly::~OperationMultipleEvalPoly ( )

inlineoverride

Destructor.

References alpha, getDuration(), mult(), and multTranspose().

Member Function Documentation

getDuration()

double sgpp::base::OperationMultipleEvalPoly::getDuration ( )

overridevirtual

Implements sgpp::base::OperationMultipleEval.

Referenced by ~OperationMultipleEvalPoly().

mult()

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

Referenced by ~OperationMultipleEvalPoly().

multTranspose()

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

Referenced by ~OperationMultipleEvalPoly().

Member Data Documentation

base

SPolyBase sgpp::base::OperationMultipleEvalPoly::base

protected

Poly Basis object.

Referenced by mult(), and multTranspose().

storage

GridStorage& sgpp::base::OperationMultipleEvalPoly::storage

protected

Pointer to 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/OperationMultipleEvalPoly.hpp
• base/src/sgpp/base/operation/hash/OperationMultipleEvalPoly.cpp