StdSegExp.h

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///////////////////////////////////////////////////////////////////////////////
//
// File StdSegExp.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 file for Standard Segment Expansions
//
///////////////////////////////////////////////////////////////////////////////
 
#ifndef NEKTAR_LIBS_STDREGIONS_STDSEGEXP_H
#define NEKTAR_LIBS_STDREGIONS_STDSEGEXP_H
 
#include <StdRegions/StdExpansion1D.h>
#include <StdRegions/StdRegionsDeclspec.h>
 
namespace Nektar
{
    namespace StdRegions
    {
 
        class StdSegExp;
        typedef std::shared_ptr<StdSegExp> StdSegExpSharedPtr;
 
        /// Class representing a segment element in reference space
 
        /// All interface of this class sits in StdExpansion class
 
        class StdSegExp: virtual public StdExpansion1D
        {
        public:
 
            STD_REGIONS_EXPORT StdSegExp();
 
            STD_REGIONS_EXPORT StdSegExp(const LibUtilities::BasisKey &Ba);
 
            STD_REGIONS_EXPORT StdSegExp(const StdSegExp &T);
 
            STD_REGIONS_EXPORT ~StdSegExp();
 
 
    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 = NullNekDouble1DArray,
                    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 = NullNekDouble1DArray,
                    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_FwdTrans(
                    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_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(
                    const Array<OneD, const NekDouble>& base,
                    const Array<OneD, const NekDouble>& inarray,
                    Array<OneD, NekDouble> &outarray,
                    int coll_check);
 
            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_IProductWRTDerivBase (
                    const int dir,
                    const Array<OneD, const NekDouble> &inarray,
                    Array<OneD, NekDouble> &outarray);
 
 
 
            //----------------------------
            // Evaluations Methods
            //---------------------------
            STD_REGIONS_EXPORT virtual void v_LocCoordToLocCollapsed(
                                           const Array<OneD, const NekDouble>& xi,
                                           Array<OneD, NekDouble>& eta);
 
            STD_REGIONS_EXPORT virtual void v_LocCollapsedToLocCoord(
                                           const Array<OneD, const NekDouble>& eta,
                                           Array<OneD, NekDouble>& xi);
 
            STD_REGIONS_EXPORT NekDouble v_PhysEvaluateBasis(
                const Array<OneD, const NekDouble>& coords,
                int mode) final;
 
            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_HelmholtzMatrixOp(
                    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_ExponentialFilter(
                          Array<OneD, NekDouble> &array,
                    const NekDouble        alpha,
                    const NekDouble        exponent,
                    const NekDouble        cutoff);
 
            STD_REGIONS_EXPORT virtual void v_MultiplyByStdQuadratureMetric(
                    const Array<OneD, const NekDouble> &inarray,
                    Array<OneD,       NekDouble> &outarray);
 
            STD_REGIONS_EXPORT virtual void v_FillMode(
                    const int mode,
                    Array<OneD, NekDouble> &outarray);
 
            STD_REGIONS_EXPORT virtual void v_GetCoords(
                    Array<OneD, NekDouble> &coords_0,
                    Array<OneD, NekDouble> &coords_1,
                    Array<OneD, NekDouble> &coords_2);
 
 
            //----------------------------
            // Public Mappings
            //---------------------------
 
            STD_REGIONS_EXPORT virtual void v_GetBoundaryMap(
                    Array<OneD, unsigned int>& outarray);
 
            STD_REGIONS_EXPORT virtual void v_GetInteriorMap(
                    Array<OneD, unsigned int>& outarray);
 
            STD_REGIONS_EXPORT virtual int v_GetVertexMap(int localVertexId,
                                                          bool useCoeffPacking = false);
 
            //----------------------------
            // Helper functions
            //---------------------------
            STD_REGIONS_EXPORT virtual int v_GetNverts() const;
            STD_REGIONS_EXPORT virtual int v_GetNtraces() const;
            STD_REGIONS_EXPORT virtual int v_GetTraceNcoeffs(const int i) const;
            STD_REGIONS_EXPORT virtual int v_GetTraceNumPoints(const int i) const;
            STD_REGIONS_EXPORT virtual int v_NumBndryCoeffs() const;
            STD_REGIONS_EXPORT virtual int v_NumDGBndryCoeffs() const;
            STD_REGIONS_EXPORT virtual bool v_IsBoundaryInteriorExpansion();
            STD_REGIONS_EXPORT virtual int v_CalcNumberOfCoefficients(
                    const std::vector<unsigned int> &nummodes,
                    int &modes_offset);
            STD_REGIONS_EXPORT virtual LibUtilities::ShapeType
                v_DetShapeType() const;
 
            //----------------------------
            // Wrapper functions
            //---------------------------
 
            STD_REGIONS_EXPORT virtual DNekMatSharedPtr v_GenMatrix(
                    const StdMatrixKey &mkey);
 
            STD_REGIONS_EXPORT virtual DNekMatSharedPtr v_CreateStdMatrix(
                    const StdMatrixKey &mkey);
 
            //---------------------------------------
            // Output interpolation functions
            //---------------------------------------
            STD_REGIONS_EXPORT virtual void v_GetSimplexEquiSpacedConnectivity(
                    Array<OneD, int> &conn,
                    bool standard = true);
 
            // Operator evaluation functions
            //---------------------------------------
 
        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_GetTraceToElementMap(
                    const int                  tid,
                    Array<OneD, unsigned int>& maparray,
                    Array<OneD, int>&          signarray,
                    Orientation                edgeOrient,
                    int P,  int Q);
            
        private:
 
        };
 
 
    } //end of namespace
} //end of namespace
 
#endif //STDSEGEXP_H