Nektar::Collections::IProductWRTDerivBase_SumFac_Seg Class Reference

Inner product WRT deriv base operator using sum-factorisation (Segment) More...

Inheritance diagram for Nektar::Collections::IProductWRTDerivBase_SumFac_Seg:

Collaboration diagram for Nektar::Collections::IProductWRTDerivBase_SumFac_Seg:

Public Member Functions
virtual	~IProductWRTDerivBase_SumFac_Seg ()
virtual void	operator() (const Array< OneD, const NekDouble > &input, Array< OneD, NekDouble > &output, Array< OneD, NekDouble > &output1, Array< OneD, NekDouble > &output2, Array< OneD, NekDouble > &wsp)
	Perform operation. More...
virtual void	operator() (int dir, const Array< OneD, const NekDouble > &input, Array< OneD, NekDouble > &output, Array< OneD, NekDouble > &wsp)
Public Member Functions inherited from Nektar::Collections::Operator
	Operator (std::vector< StdRegions::StdExpansionSharedPtr > pCollExp, boost::shared_ptr< CoalescedGeomData > GeomData)
	Constructor. More...
virtual COLLECTIONS_EXPORT	~Operator ()
int	GetWspSize ()
	Get the size of the required workspace. More...

Protected Attributes
const int	m_nquad0
const int	m_nmodes0
Array< OneD, const NekDouble >	m_jac
Array< OneD, const NekDouble >	m_derbase0
Array< TwoD, const NekDouble >	m_derivFac
Protected Attributes inherited from Nektar::Collections::Operator
StdRegions::StdExpansionSharedPtr	m_stdExp
unsigned int	m_numElmt
unsigned int	m_wspSize

Private Member Functions
	IProductWRTDerivBase_SumFac_Seg (vector< StdRegions::StdExpansionSharedPtr > pCollExp, CoalescedGeomDataSharedPtr pGeomData)

Detailed Description

Inner product WRT deriv base operator using sum-factorisation (Segment)

Definition at line 499 of file IProductWRTDerivBase.cpp.

Constructor & Destructor Documentation

virtual Nektar::Collections::IProductWRTDerivBase_SumFac_Seg::~IProductWRTDerivBase_SumFac_Seg ( )

inlinevirtual

Definition at line 504 of file IProductWRTDerivBase.cpp.

        {
        }

Nektar::Collections::IProductWRTDerivBase_SumFac_Seg::IProductWRTDerivBase_SumFac_Seg ( vector< StdRegions::StdExpansionSharedPtr >  pCollExp, CoalescedGeomDataSharedPtr  pGeomData  )

inlineprivate

Definition at line 545 of file IProductWRTDerivBase.cpp.

            : Operator  (pCollExp, pGeomData),
              m_nquad0  (m_stdExp->GetNumPoints(0)),
              m_nmodes0 (m_stdExp->GetBasisNumModes(0)),
              m_derbase0(m_stdExp->GetBasis(0)->GetDbdata())
        {
            m_wspSize = m_numElmt*m_nquad0;
            m_derivFac = pGeomData->GetDerivFactors(pCollExp);
            m_jac = pGeomData->GetJacWithStdWeights(pCollExp);
        }

Member Function Documentation

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

inlinevirtual

Perform operation.

Implements Nektar::Collections::Operator.

Definition at line 508 of file IProductWRTDerivBase.cpp.

References Vmath::Vmul().

        {

            Vmath::Vmul(m_numElmt*m_nquad0, m_jac, 1, input, 1, wsp, 1);
            Vmath::Vmul(m_numElmt*m_nquad0, &m_derivFac[0][0], 1,
                                            &wsp[0],           1,
                                            &wsp[0],           1);

            // out = B0*in;
            Blas::Dgemm('T', 'N', m_nmodes0, m_numElmt, m_nquad0,
                        1.0, m_derbase0.get(), m_nquad0,
                        &wsp[0], m_nquad0, 0.0,
                        &output[0], m_nmodes0);
        }

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

inlinevirtual

Implements Nektar::Collections::Operator.

Definition at line 528 of file IProductWRTDerivBase.cpp.

References ASSERTL0.

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

Member Data Documentation

Array<OneD, const NekDouble> Nektar::Collections::IProductWRTDerivBase_SumFac_Seg::m_derbase0

protected

Definition at line 541 of file IProductWRTDerivBase.cpp.

Array<TwoD, const NekDouble> Nektar::Collections::IProductWRTDerivBase_SumFac_Seg::m_derivFac

protected

Definition at line 542 of file IProductWRTDerivBase.cpp.

Array<OneD, const NekDouble> Nektar::Collections::IProductWRTDerivBase_SumFac_Seg::m_jac

protected

Definition at line 540 of file IProductWRTDerivBase.cpp.

const int Nektar::Collections::IProductWRTDerivBase_SumFac_Seg::m_nmodes0

protected

Definition at line 539 of file IProductWRTDerivBase.cpp.

const int Nektar::Collections::IProductWRTDerivBase_SumFac_Seg::m_nquad0

protected

Definition at line 538 of file IProductWRTDerivBase.cpp.