Nektar::Collections::BwdTrans_StdMat Class Reference

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

Inheritance diagram for Nektar::Collections::BwdTrans_StdMat:

Public Member Functions
	~BwdTrans_StdMat () final
void	operator() (const Array< OneD, const NekDouble > &input, Array< OneD, NekDouble > &output, 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) override final
virtual void	CheckFactors (StdRegions::FactorMap factors, int coll_phys_offset) override
	Check the validity of the supplied factor map. More...
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 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	~Operator ()
virtual COLLECTIONS_EXPORT void	CheckFactors (StdRegions::FactorMap factors, int coll_phys_offset)=0
	Check the validity of the supplied factor map. More...
unsigned int	GetWspSize ()
	Get the size of the required workspace. More...
unsigned int	GetNumElmt ()
	Get expansion pointer. More...
StdRegions::StdExpansionSharedPtr	GetExpSharedPtr ()
	Get expansion pointer. More...

Protected Attributes
DNekMatSharedPtr	m_mat
Protected Attributes inherited from Nektar::Collections::Operator
bool	m_isDeformed
StdRegions::StdExpansionSharedPtr	m_stdExp
unsigned int	m_numElmt
unsigned int	m_nqe
unsigned int	m_wspSize

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

Detailed Description

Backward transform operator using standard matrix approach.

Definition at line 59 of file BwdTrans.cpp.

Constructor & Destructor Documentation

~BwdTrans_StdMat()

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

inlinefinal

Definition at line 63 of file BwdTrans.cpp.

    {
    }

BwdTrans_StdMat()

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

inlineprivate

Definition at line 99 of file BwdTrans.cpp.

        : Operator(pCollExp, pGeomData, factors)
    {
        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

CheckFactors()

virtual void Nektar::Collections::BwdTrans_StdMat::CheckFactors ( StdRegions::FactorMap  factors, int  coll_phys_offset  )

inlineoverridevirtual

Check the validity of the supplied factor map.

Implements Nektar::Collections::Operator.

Definition at line 88 of file BwdTrans.cpp.

    {
        boost::ignore_unused(factors, coll_phys_offset);
        ASSERTL0(false, "Not valid for this operator.");
    }

References ASSERTL0, and Nektar::VarcoeffHashingTest::factors.

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 67 of file BwdTrans.cpp.

    {
        boost::ignore_unused(output1, output2, wsp);
        Blas::Dgemm('N', 'N', m_mat->GetRows(), m_numElmt, m_mat->GetColumns(),
                    1.0, m_mat->GetRawPtr(), m_mat->GetRows(), input.get(),
                    m_stdExp->GetNcoeffs(), 0.0, output.get(),
                    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  )

inlinefinaloverridevirtual

Implements Nektar::Collections::Operator.

Definition at line 80 of file BwdTrans.cpp.

    {
        boost::ignore_unused(dir, input, output, wsp);
        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 96 of file BwdTrans.cpp.

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