Backward transform operator using standard matrix approach. More...

Inheritance diagram for Nektar::Collections::BwdTrans_StdMat:

Public Member Functions
	~BwdTrans_StdMat () final=default

void	operator() (const Array< OneD, const NekDouble > &input, Array< OneD, NekDouble > &output0, Array< OneD, NekDouble > &output1, Array< OneD, NekDouble > &output2, Array< OneD, NekDouble > &wsp) override
	Perform operation. More...

void	operator() (int dir, const Array< OneD, const NekDouble > &input, Array< OneD, NekDouble > &output, Array< OneD, NekDouble > &wsp) final

Public Member Functions inherited from Nektar::Collections::Operator
	Operator (std::vector< StdRegions::StdExpansionSharedPtr > pCollExp, std::shared_ptr< CoalescedGeomData > GeomData, StdRegions::FactorMap factors)
	Constructor. More...

virtual	~Operator ()=default

virtual COLLECTIONS_EXPORT void	operator() (const Array< OneD, const NekDouble > &input, Array< OneD, NekDouble > &output0, Array< OneD, NekDouble > &output1, Array< OneD, NekDouble > &output2, Array< OneD, NekDouble > &wsp=NullNekDouble1DArray)=0
	Perform operation. More...

virtual COLLECTIONS_EXPORT void	operator() (int dir, const Array< OneD, const NekDouble > &input, Array< OneD, NekDouble > &output, Array< OneD, NekDouble > &wsp=NullNekDouble1DArray)=0

virtual COLLECTIONS_EXPORT void	UpdateFactors (StdRegions::FactorMap factors)
	Update the supplied factor map. More...

virtual COLLECTIONS_EXPORT void	UpdateVarcoeffs (StdRegions::VarCoeffMap &varcoeffs)
	Update the supplied variable coefficients. More...

unsigned int	GetWspSize ()
	Get the size of the required workspace. More...

unsigned int	GetNumElmt ()
	Get number of elements. More...

StdRegions::StdExpansionSharedPtr	GetExpSharedPtr ()
	Get expansion pointer. More...

unsigned int	GetInputSize (bool defaultIn=true)

unsigned int	GetOutputSize (bool defaultOut=true)

Protected Attributes
DNekMatSharedPtr	m_mat

Protected Attributes inherited from Nektar::Collections::Operator
bool	m_isDeformed

StdRegions::StdExpansionSharedPtr	m_stdExp

unsigned int	m_numElmt
	number of elements that the operator is applied on More...

unsigned int	m_nqe

unsigned int	m_wspSize

unsigned int	m_inputSize
	number of modes or quadrature points that are passed as input to an operator More...

unsigned int	m_outputSize
	number of modes or quadrature points that are taken as output from an operator More...

unsigned int	m_inputSizeOther
	Number of modes or quadrature points, opposite to m_inputSize. More...

unsigned int	m_outputSizeOther
	Number of modes or quadrature points, opposite to m_outputSize. More...

Private Member Functions
	BwdTrans_StdMat (vector< StdRegions::StdExpansionSharedPtr > pCollExp, CoalescedGeomDataSharedPtr pGeomData, StdRegions::FactorMap factors)

Additional Inherited Members
Protected Member Functions inherited from Nektar::Collections::BwdTrans_Helper
	BwdTrans_Helper ()

Detailed Description

Backward transform operator using standard matrix approach.

Definition at line 75 of file BwdTrans.cpp.

Constructor & Destructor Documentation

◆ ~BwdTrans_StdMat()

Nektar::Collections::BwdTrans_StdMat::~BwdTrans_StdMat ( )

finaldefault

◆ BwdTrans_StdMat()

Nektar::Collections::BwdTrans_StdMat::BwdTrans_StdMat	(	vector< StdRegions::StdExpansionSharedPtr >	pCollExp,
		CoalescedGeomDataSharedPtr	pGeomData,
		StdRegions::FactorMap	factors
	)

inlineprivate

Definition at line 107 of file BwdTrans.cpp.

        : Operator(pCollExp, pGeomData, factors), BwdTrans_Helper()
    {
        StdRegions::StdMatrixKey key(StdRegions::eBwdTrans,
                                     m_stdExp->DetShapeType(), *m_stdExp);
        m_mat = m_stdExp->GetStdMatrix(key);
    }

References Nektar::StdRegions::eBwdTrans, m_mat, and Nektar::Collections::Operator::m_stdExp.

Member Function Documentation

◆ operator()() [1/2]

void Nektar::Collections::BwdTrans_StdMat::operator()	(	const Array< OneD, const NekDouble > &	input,
		Array< OneD, NekDouble > &	output0,
		Array< OneD, NekDouble > &	output1,
		Array< OneD, NekDouble > &	output2,
		Array< OneD, NekDouble > &	wsp
	)

inlineoverridevirtual

Perform operation.

Implements Nektar::Collections::Operator.

Definition at line 83 of file BwdTrans.cpp.

    {
        Blas::Dgemm('N', 'N', m_mat->GetRows(), m_numElmt, m_mat->GetColumns(),
                    1.0, m_mat->GetRawPtr(), m_mat->GetRows(), input.data(),
                    m_stdExp->GetNcoeffs(), 0.0, output0.data(),
                    m_stdExp->GetTotPoints());
    }

References Blas::Dgemm(), m_mat, Nektar::Collections::Operator::m_numElmt, and Nektar::Collections::Operator::m_stdExp.

◆ operator()() [2/2]

void Nektar::Collections::BwdTrans_StdMat::operator()	(	int	dir,
		const Array< OneD, const NekDouble > &	input,
		Array< OneD, NekDouble > &	output,
		Array< OneD, NekDouble > &	wsp
	)

inlinefinalvirtual

Implements Nektar::Collections::Operator.

Definition at line 95 of file BwdTrans.cpp.

    {
        ASSERTL0(false, "Not valid for this operator.");
    }

References ASSERTL0.

Member Data Documentation

◆ m_mat

DNekMatSharedPtr Nektar::Collections::BwdTrans_StdMat::m_mat

protected

Definition at line 104 of file BwdTrans.cpp.

Referenced by BwdTrans_StdMat(), and operator()().

Public Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members