Nektar::Collections::IProductWRTBase_StdMat Class Reference

Inner product operator using standard matrix approach. More...

Inheritance diagram for Nektar::Collections::IProductWRTBase_StdMat:

Collaboration diagram for Nektar::Collections::IProductWRTBase_StdMat:

Public Member Functions
virtual	~IProductWRTBase_StdMat ()
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
DNekMatSharedPtr	m_mat
Array< OneD, const NekDouble >	m_jac
Protected Attributes inherited from Nektar::Collections::Operator
StdRegions::StdExpansionSharedPtr	m_stdExp
unsigned int	m_numElmt
unsigned int	m_wspSize

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

Detailed Description

Inner product operator using standard matrix approach.

Definition at line 57 of file IProductWRTBase.cpp.

Constructor & Destructor Documentation

virtual Nektar::Collections::IProductWRTBase_StdMat::~IProductWRTBase_StdMat ( )

inlinevirtual

Definition at line 62 of file IProductWRTBase.cpp.

        {
        }

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

inlineprivate

Definition at line 98 of file IProductWRTBase.cpp.

References Nektar::StdRegions::eIProductWRTBase.

            : Operator(pCollExp, pGeomData)
        {
            m_jac = pGeomData->GetJac(pCollExp);
            StdRegions::StdMatrixKey key(StdRegions::eIProductWRTBase,
                                         m_stdExp->DetShapeType(), *m_stdExp);
            m_mat = m_stdExp->GetStdMatrix(key);
            m_wspSize = m_stdExp->GetTotPoints()*m_numElmt;
        }

Member Function Documentation

virtual void Nektar::Collections::IProductWRTBase_StdMat::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 66 of file IProductWRTBase.cpp.

References ASSERTL1, and Vmath::Vmul().

        {
            ASSERTL1(wsp.num_elements() == m_wspSize,
                     "Incorrect workspace size");

            Vmath::Vmul(m_jac.num_elements(),m_jac,1,input,1,wsp,1);

            Blas::Dgemm('N', 'N', m_mat->GetRows(), m_numElmt,
                        m_mat->GetColumns(), 1.0, m_mat->GetRawPtr(),
                        m_mat->GetRows(), wsp.get(), m_stdExp->GetTotPoints(),
                        0.0, output.get(), m_stdExp->GetNcoeffs());
        }

virtual void Nektar::Collections::IProductWRTBase_StdMat::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 84 of file IProductWRTBase.cpp.

References ASSERTL0.

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

Member Data Documentation

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

protected

Definition at line 95 of file IProductWRTBase.cpp.

DNekMatSharedPtr Nektar::Collections::IProductWRTBase_StdMat::m_mat

protected

Definition at line 94 of file IProductWRTBase.cpp.