Nektar::Collections::IProductWRTBase_SumFac_Seg Class Reference

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

Inheritance diagram for Nektar::Collections::IProductWRTBase_SumFac_Seg:

Collaboration diagram for Nektar::Collections::IProductWRTBase_SumFac_Seg:

Public Member Functions
virtual	~IProductWRTBase_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
const bool	m_colldir0
Array< OneD, const NekDouble >	m_jac
Array< OneD, const NekDouble >	m_base0
Protected Attributes inherited from Nektar::Collections::Operator
StdRegions::StdExpansionSharedPtr	m_stdExp
unsigned int	m_numElmt
unsigned int	m_wspSize

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

Detailed Description

Inner product operator using sum-factorisation (Segment)

Definition at line 361 of file IProductWRTBase.cpp.

Constructor & Destructor Documentation

virtual Nektar::Collections::IProductWRTBase_SumFac_Seg::~IProductWRTBase_SumFac_Seg ( )

inlinevirtual

Definition at line 366 of file IProductWRTBase.cpp.

        {
        }

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

inlineprivate

Definition at line 411 of file IProductWRTBase.cpp.

            : Operator  (pCollExp, pGeomData),
              m_nquad0  (m_stdExp->GetNumPoints(0)),
              m_nmodes0 (m_stdExp->GetBasisNumModes(0)),
              m_colldir0(m_stdExp->GetBasis(0)->Collocation()),
              m_base0   (m_stdExp->GetBasis(0)->GetBdata())
        {
            m_wspSize = m_numElmt*m_nquad0;
            m_jac = pGeomData->GetJacWithStdWeights(pCollExp);
        }

Member Function Documentation

virtual void Nektar::Collections::IProductWRTBase_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 370 of file IProductWRTBase.cpp.

References Vmath::Vmul().

        {

            if(m_colldir0)
            {
                Vmath::Vmul(m_numElmt*m_nquad0,m_jac,1,input,1,output,1);
            }
            else
            {
                Vmath::Vmul(m_numElmt*m_nquad0,m_jac,1,input,1,wsp,1);

                // out = B0*in;
                Blas::Dgemm('T','N', m_nmodes0, m_numElmt, m_nquad0,
                            1.0, m_base0.get(), m_nquad0,
                            &wsp[0], m_nquad0, 0.0,
                            &output[0], m_nmodes0);
            }
        }

virtual void Nektar::Collections::IProductWRTBase_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 394 of file IProductWRTBase.cpp.

References ASSERTL0.

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

Member Data Documentation

Array<OneD, const NekDouble> Nektar::Collections::IProductWRTBase_SumFac_Seg::m_base0

protected

Definition at line 408 of file IProductWRTBase.cpp.

const bool Nektar::Collections::IProductWRTBase_SumFac_Seg::m_colldir0

protected

Definition at line 406 of file IProductWRTBase.cpp.

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

protected

Definition at line 407 of file IProductWRTBase.cpp.

const int Nektar::Collections::IProductWRTBase_SumFac_Seg::m_nmodes0

protected

Definition at line 405 of file IProductWRTBase.cpp.

const int Nektar::Collections::IProductWRTBase_SumFac_Seg::m_nquad0

protected

Definition at line 404 of file IProductWRTBase.cpp.