StdTriExp.h

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///////////////////////////////////////////////////////////////////////////////
//
// File StdTriExp.h
//
// For more information, please see: http://www.nektar.info
//
// The MIT License
//
// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
// Department of Aeronautics, Imperial College London (UK), and Scientific
// Computing and Imaging Institute, University of Utah (USA).
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// Description: Header field for triangle routines built upon StdExpansion2D
//
///////////////////////////////////////////////////////////////////////////////

#ifndef NEKTAR_LIB_STDREGIONS_STDTRIEXP_H
#define NEKTAR_LIB_STDREGIONS_STDTRIEXP_H

#include <StdRegions/StdRegions.hpp>
#include <StdRegions/StdExpansion2D.h>
#include <StdRegions/StdRegionsDeclspec.h>


namespace Nektar
{
    namespace StdRegions
    {
        class StdMatrixKey;

        class StdTriExp : virtual public StdExpansion2D
        {
        public:
            STD_REGIONS_EXPORT StdTriExp();
            STD_REGIONS_EXPORT StdTriExp(
                const LibUtilities::BasisKey &Ba,
                const LibUtilities::BasisKey &Bb);
            STD_REGIONS_EXPORT StdTriExp(const StdTriExp &T);
            STD_REGIONS_EXPORT ~StdTriExp();

        protected:
            //-------------------------------
            // Integration Methods
            //-------------------------------
            STD_REGIONS_EXPORT virtual NekDouble v_Integral(
                const Array<OneD, const NekDouble>& inarray);


            //----------------------------
            // Differentiation Methods
            //----------------------------
            STD_REGIONS_EXPORT virtual void v_PhysDeriv(
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& out_d0,
                      Array<OneD,       NekDouble>& out_d1,
                      Array<OneD,       NekDouble>& out_d2 = NullNekDouble1DArray);
            STD_REGIONS_EXPORT virtual void v_PhysDeriv(
                const int                           dir,
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);
            STD_REGIONS_EXPORT virtual void v_StdPhysDeriv(
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& out_d0,
                      Array<OneD,       NekDouble>& out_d1,
                      Array<OneD,       NekDouble>& out_d2 = NullNekDouble1DArray);
            STD_REGIONS_EXPORT virtual void v_StdPhysDeriv(
                const int dir,
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);


            //---------------------------------------
            // Transforms
            //---------------------------------------
            STD_REGIONS_EXPORT virtual void v_BwdTrans(
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);
            STD_REGIONS_EXPORT virtual void v_BwdTrans_SumFac(
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);
            STD_REGIONS_EXPORT virtual void v_BwdTrans_SumFacKernel(
                const Array<OneD, const NekDouble>& base0,
                const Array<OneD, const NekDouble>& base1,
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray,
                      Array<OneD,       NekDouble>& wsp,
                      bool                          doCheckCollDir0,
                      bool                          doCheckCollDir1);
            STD_REGIONS_EXPORT virtual void v_FwdTrans(
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);
            STD_REGIONS_EXPORT virtual void v_FwdTrans_BndConstrained(
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);


            //---------------------------------------
            // Inner product functions
            //---------------------------------------
            STD_REGIONS_EXPORT virtual void v_IProductWRTBase(
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);
            STD_REGIONS_EXPORT virtual void v_IProductWRTBase_MatOp(
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);
            STD_REGIONS_EXPORT virtual void v_IProductWRTBase_SumFac(
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray,
                bool                                multiplybyweights = true);
            STD_REGIONS_EXPORT virtual void v_IProductWRTBase_SumFacKernel(
                const Array<OneD, const NekDouble>& base0,
                const Array<OneD, const NekDouble>& base1,
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray,
                      Array<OneD,       NekDouble>& wsp,
                      bool                          doCheckCollDir0,
                      bool                          doCheckCollDir1);
            STD_REGIONS_EXPORT virtual void v_IProductWRTDerivBase(
                const int dir,
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);
            STD_REGIONS_EXPORT virtual void v_IProductWRTDerivBase_MatOp(
                const int dir,
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);
            STD_REGIONS_EXPORT virtual void v_IProductWRTDerivBase_SumFac(
                const int dir,
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);


            //---------------------------------------
            // Evaluation functions
            //---------------------------------------
            STD_REGIONS_EXPORT virtual void v_LocCoordToLocCollapsed(
                                           const Array<OneD, const NekDouble>& xi,
                                           Array<OneD, NekDouble>& eta);
            STD_REGIONS_EXPORT virtual void v_FillMode(
                const int               mode,
                Array<OneD, NekDouble> &outarray);


            //---------------------------
            // Helper functions
            //---------------------------
            STD_REGIONS_EXPORT virtual int  v_GetNverts() const;
            STD_REGIONS_EXPORT virtual int  v_GetNedges() const;
            STD_REGIONS_EXPORT virtual LibUtilities::ShapeType v_DetShapeType() const;
            STD_REGIONS_EXPORT virtual int  v_NumBndryCoeffs() const;
            STD_REGIONS_EXPORT virtual int  v_NumDGBndryCoeffs() const;
            STD_REGIONS_EXPORT virtual int  v_GetEdgeNcoeffs(const int i) const;
            STD_REGIONS_EXPORT virtual int  v_GetEdgeNumPoints(const int i) const;
            STD_REGIONS_EXPORT virtual int  v_CalcNumberOfCoefficients(
                const std::vector<unsigned int> &nummodes,
                int &modes_offset);
            STD_REGIONS_EXPORT virtual LibUtilities::BasisType v_GetEdgeBasisType(
                const int i) const;
            STD_REGIONS_EXPORT virtual void v_GetCoords(
                Array<OneD, NekDouble> &coords_x,
                Array<OneD, NekDouble> &coords_y,
                Array<OneD, NekDouble> &coords_z);
            STD_REGIONS_EXPORT virtual bool v_IsBoundaryInteriorExpansion();
            STD_REGIONS_EXPORT virtual int v_DetCartesianDirOfEdge(const int edge);
            STD_REGIONS_EXPORT virtual const LibUtilities::BasisKey
                v_DetEdgeBasisKey(const int edge) const;


            //--------------------------
            // Mappings
            //--------------------------
            STD_REGIONS_EXPORT virtual void v_GetEdgeToElementMap(
                const int                  eid,
                const Orientation      edgeOrient,
                Array<OneD, unsigned int>& maparray,
                Array<OneD,          int>& signarray,
                int P = -1);
            STD_REGIONS_EXPORT virtual int  v_GetVertexMap(int localVertexId,
                                                           bool useCoeffPacking = false);
            STD_REGIONS_EXPORT virtual void v_GetEdgeInteriorMap(
                const int                  eid,
                const Orientation      edgeOrient,
                Array<OneD, unsigned int>& maparray,
                Array<OneD,          int>& signarray);
            STD_REGIONS_EXPORT virtual void v_GetInteriorMap(
                Array<OneD, unsigned int>& outarray);
            STD_REGIONS_EXPORT virtual void v_GetBoundaryMap(
                Array<OneD, unsigned int>& outarray);


            //---------------------------------------
            // Wrapper functions
            //---------------------------------------
            STD_REGIONS_EXPORT virtual DNekMatSharedPtr v_GenMatrix(
                const StdMatrixKey &mkey);
            STD_REGIONS_EXPORT virtual DNekMatSharedPtr v_CreateStdMatrix(
                const StdMatrixKey &mkey);


            //---------------------------------------
            // Operator evaluation functions
            //---------------------------------------
            STD_REGIONS_EXPORT virtual void v_MassMatrixOp(
                const Array<OneD, const NekDouble> &inarray,
                      Array<OneD,       NekDouble> &outarray,
                const StdMatrixKey                 &mkey);
            STD_REGIONS_EXPORT virtual void v_LaplacianMatrixOp(
                const Array<OneD, const NekDouble> &inarray,
                      Array<OneD,       NekDouble> &outarray,
                const StdMatrixKey                 &mkey);
            STD_REGIONS_EXPORT virtual void v_SVVLaplacianFilter(
                      Array<OneD, NekDouble> &array,
                const StdMatrixKey &mkey);
            STD_REGIONS_EXPORT virtual void v_ReduceOrderCoeffs(
                      int numMin,
                      const Array<OneD, const NekDouble> &inarray,
                      Array<OneD, NekDouble> &outarray);
            STD_REGIONS_EXPORT virtual void v_LaplacianMatrixOp(
                const int                           k1,
                const int                           k2,
                const Array<OneD, const NekDouble> &inarray,
                      Array<OneD,       NekDouble> &outarray,
                const StdMatrixKey                 &mkey);
            STD_REGIONS_EXPORT virtual void v_WeakDerivMatrixOp(
                const int                           i,
                const Array<OneD, const NekDouble> &inarray,
                      Array<OneD,       NekDouble> &outarray,
                const StdMatrixKey                 &mkey);
            STD_REGIONS_EXPORT virtual void v_HelmholtzMatrixOp(
                const Array<OneD, const NekDouble> &inarray,
                      Array<OneD,       NekDouble> &outarray,
                const StdMatrixKey                 &mkey);
            STD_REGIONS_EXPORT virtual void v_GeneralMatrixOp_MatOp(
                const Array<OneD, const NekDouble> &inarray,
                      Array<OneD,       NekDouble> &outarray,
                const StdMatrixKey                 &mkey);

            STD_REGIONS_EXPORT virtual void v_MultiplyByStdQuadratureMetric(
                const Array<OneD, const NekDouble>& inarray,
                      Array<OneD,       NekDouble>& outarray);

            //---------------------------------------
            // Output interpolation functions
            //---------------------------------------
            STD_REGIONS_EXPORT virtual void v_GetSimplexEquiSpacedConnectivity(
                      Array<OneD, int>             &conn,
                      bool                          standard = true);
        };
        typedef std::shared_ptr<StdTriExp> StdTriExpSharedPtr;
    } //end of namespace
} //end of namespace
#endif //STDTRIEXP_H