sgpp::base::OperationQuadratureLinear Class Reference

Quadrature on sparse grid, linear grid without boundaries. More...

#include <OperationQuadratureLinear.hpp>

Inheritance diagram for sgpp::base::OperationQuadratureLinear:

Public Member Functions
double	doQuadrature (DataVector &alpha) override
	Quadrature for piecewise linear hat basis functions. More...
	OperationQuadratureLinear (GridStorage &storage)
	Constructor of OperationQuadratureLinear. More...
	~OperationQuadratureLinear () override
Public Member Functions inherited from sgpp::base::OperationQuadrature
	OperationQuadrature ()
	Constructor. More...
virtual	~OperationQuadrature ()
	Destructor. More...

Protected Attributes
GridStorage &	storage

Detailed Description

Quadrature on sparse grid, linear grid without boundaries.

Constructor & Destructor Documentation

OperationQuadratureLinear()

sgpp::base::OperationQuadratureLinear::OperationQuadratureLinear ( GridStorage &  storage )

inlineexplicit

Constructor of OperationQuadratureLinear.

Parameters

storage

Pointer to the grid's GridStorage object

~OperationQuadratureLinear()

sgpp::base::OperationQuadratureLinear::~OperationQuadratureLinear ( )

inlineoverride

References alpha, and doQuadrature().

Member Function Documentation

doQuadrature()

double sgpp::base::OperationQuadratureLinear::doQuadrature ( DataVector &  alpha )

overridevirtual

Quadrature for piecewise linear hat basis functions.

Computes

\[ \sum_{\vec{l}} 2^{-|\vec{l}|}\alpha_{\vec{l}}. \]

Parameters

alpha

Coefficient vector for current grid

Implements sgpp::base::OperationQuadrature.

References sgpp::base::HashGridStorage::begin(), sgpp::base::HashGridStorage::end(), sgpp::base::DataVector::get(), sgpp::base::HashGridStorage::getBoundingBox(), sgpp::base::HashGridStorage::getDimension(), sgpp::base::BoundingBox::getIntervalWidth(), sgpp::combigrid::pow(), and storage.

Referenced by ~OperationQuadratureLinear().

Member Data Documentation

storage

GridStorage& sgpp::base::OperationQuadratureLinear::storage

protected

Referenced by doQuadrature().

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

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