sgpp::base::OperationEvalGradientNakBsplineExtendedNaive Class Reference

Operation for evaluating nak B-spline linear combinations on Noboundary grids and their gradients. More...

#include <OperationEvalGradientNakBsplineExtendedNaive.hpp>

Inheritance diagram for sgpp::base::OperationEvalGradientNakBsplineExtendedNaive:

Public Member Functions
void	evalGradient (const DataMatrix &alpha, const DataVector &point, DataVector &value, DataMatrix &gradient) override
double	evalGradient (const DataVector &alpha, const DataVector &point, DataVector &gradient) override
	OperationEvalGradientNakBsplineExtendedNaive (GridStorage &storage, size_t degree)
	Constructor.
	~OperationEvalGradientNakBsplineExtendedNaive () override
	Destructor.
Public Member Functions inherited from sgpp::base::OperationEvalGradient
	OperationEvalGradient ()
	Constructor.
virtual	~OperationEvalGradient ()
	Destructor.

Protected Attributes
SNakBsplineExtendedBase	base
	1D B-spline basis
DataVector	innerDerivative
	inner derivative (temporary vector)
DataVector	pointInUnitCube
	untransformed evaluation point (temporary vector)
GridStorage &	storage
	storage of the sparse grid

Additional Inherited Members
Public Attributes inherited from sgpp::base::OperationEvalGradient
DataVector	pointInUnitCube
	untransformed evaluation point (temporary vector)

Detailed Description

Operation for evaluating nak B-spline linear combinations on Noboundary grids and their gradients.

Constructor & Destructor Documentation

OperationEvalGradientNakBsplineExtendedNaive()

sgpp::base::OperationEvalGradientNakBsplineExtendedNaive::OperationEvalGradientNakBsplineExtendedNaive ( GridStorage &  storage, size_t  degree  )

inline

Constructor.

Parameters

storage	storage of the sparse grid
degree	B-spline degree

~OperationEvalGradientNakBsplineExtendedNaive()

sgpp::base::OperationEvalGradientNakBsplineExtendedNaive::~OperationEvalGradientNakBsplineExtendedNaive ( )

inlineoverride

Destructor.

Member Function Documentation

evalGradient() [1/2]

void sgpp::base::OperationEvalGradientNakBsplineExtendedNaive::evalGradient ( const DataMatrix &  alpha, const DataVector &  point, DataVector &  value, DataMatrix &  gradient  )

overridevirtual

Parameters

	alpha	coefficient matrix (each column is a coefficient vector)
	point	evaluation point
[out]	value	values of the linear combination
[out]	gradient	Jacobian of the linear combination (each row is a gradient vector)

Reimplemented from sgpp::base::OperationEvalGradient.

References alpha, base, sgpp::base::NakBsplineExtendedBasis< LT, IT >::eval(), sgpp::base::NakBsplineExtendedBasis< LT, IT >::evalDx(), sgpp::base::HashGridStorage::getBoundingBox(), sgpp::base::HashGridStorage::getDimension(), sgpp::base::HashGridPoint::getIndex(), sgpp::base::BoundingBox::getIntervalWidth(), sgpp::base::HashGridPoint::getLevel(), sgpp::base::HashGridStorage::getSize(), innerDerivative, m, pointInUnitCube, sgpp::base::DataMatrix::resize(), sgpp::base::DataMatrix::setAll(), sgpp::base::DataVector::setAll(), storage, and sgpp::base::BoundingBox::transformPointToUnitCube().

evalGradient() [2/2]

double sgpp::base::OperationEvalGradientNakBsplineExtendedNaive::evalGradient ( const DataVector &  alpha, const DataVector &  point, DataVector &  gradient  )

overridevirtual

Parameters

	alpha	coefficient vector
	point	evaluation point
[out]	gradient	gradient of linear combination

Returns

value of the linear combination

Implements sgpp::base::OperationEvalGradient.

References sgpp::base::DataVector::add(), alpha, base, sgpp::base::NakBsplineExtendedBasis< LT, IT >::eval(), sgpp::base::NakBsplineExtendedBasis< LT, IT >::evalDx(), sgpp::base::HashGridStorage::getBoundingBox(), sgpp::base::HashGridStorage::getDimension(), sgpp::base::HashGridPoint::getIndex(), sgpp::base::BoundingBox::getIntervalWidth(), sgpp::base::HashGridPoint::getLevel(), sgpp::base::HashGridStorage::getSize(), innerDerivative, pointInUnitCube, sgpp::base::DataVector::setAll(), storage, and sgpp::base::BoundingBox::transformPointToUnitCube().

Member Data Documentation

base

SNakBsplineExtendedBase sgpp::base::OperationEvalGradientNakBsplineExtendedNaive::base

protected

1D B-spline basis

Referenced by evalGradient(), and evalGradient().

innerDerivative

DataVector sgpp::base::OperationEvalGradientNakBsplineExtendedNaive::innerDerivative

protected

inner derivative (temporary vector)

Referenced by evalGradient(), and evalGradient().

pointInUnitCube

DataVector sgpp::base::OperationEvalGradientNakBsplineExtendedNaive::pointInUnitCube

protected

untransformed evaluation point (temporary vector)

Referenced by evalGradient(), and evalGradient().

storage

GridStorage& sgpp::base::OperationEvalGradientNakBsplineExtendedNaive::storage

protected

storage of the sparse grid

Referenced by evalGradient(), and evalGradient().

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

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