Intrepid2_Orientation.hpp

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#ifndef __INTREPID2_ORIENTATION_HPP__
#define __INTREPID2_ORIENTATION_HPP__

#include "Intrepid2_ConfigDefs.hpp"
#include "Intrepid2_Types.hpp"
#include "Intrepid2_Utils.hpp"

#include "Shards_CellTopology.hpp"

namespace Intrepid2 {

  class Orientation {
  private:
    template<typename elemNodeViewType>
    static void getElementNodeMap(typename elemNodeViewType::non_const_value_type *subCellVerts,
                                  ordinal_type &numVerts,
                                  const shards::CellTopology cellTopo,
                                  const elemNodeViewType elemNodes,
                                  const ordinal_type subCellDim,
                                  const ordinal_type subCellOrd);
    
    // orientation is always computed on the right-handed coordinates
    template<typename subCellVertType>
    static ordinal_type getOrientation(const subCellVertType subCellVerts[],
                                       const ordinal_type numVerts);


  public:
    template<typename elemNodeViewType>
    static Orientation getOrientation(const shards::CellTopology cellTopo,
                                      const elemNodeViewType elemNodes);
    
    static ordinal_type getEdgeOrdinalOfFace(const ordinal_type subsubcellOrd,
                                             const ordinal_type subcellOrd,
                                             const shards::CellTopology cellTopo);

    template<typename refTanViewType>
    static void getReferenceEdgeTangent(const refTanViewType &tanE,
                                        const ordinal_type subcellOrd,
                                        const shards::CellTopology cellTopo,
                                        const ordinal_type ort,
                                        const bool is_normalize = true);
    
    template<typename refTanViewType>
    static void getReferenceFaceTangents(const refTanViewType &tanU,
                                         const refTanViewType &tanV,
                                         const ordinal_type subcellOrd,
                                         const shards::CellTopology cellTopo,
                                         const ordinal_type ort,
                                         const bool is_normalize = true);

    template<typename refNormalViewType>
    static void getReferenceFaceNormal(const refNormalViewType &normalV,
                                       const ordinal_type subcellOrd,
                                       const shards::CellTopology cellTopo,
                                       const ordinal_type ort,
                                       const bool is_normalize = true);

      
  private:
    ordinal_type _edgeOrt, _faceOrt;
    
  public:
    KOKKOS_INLINE_FUNCTION
    Orientation();

    KOKKOS_DEFAULTED_FUNCTION
    Orientation(const Orientation &b) = default;

    KOKKOS_INLINE_FUNCTION
    bool isAlignedToReference() const;

    KOKKOS_INLINE_FUNCTION
    void setEdgeOrientation(const ordinal_type numEdge, const ordinal_type edgeOrt[]);

    KOKKOS_INLINE_FUNCTION
    void getEdgeOrientation(ordinal_type *edgeOrt, const ordinal_type numEdge) const;

    KOKKOS_INLINE_FUNCTION
    void setFaceOrientation(const ordinal_type numFace, const ordinal_type faceOrt[]);

    KOKKOS_INLINE_FUNCTION
    void getFaceOrientation(ordinal_type *faceOrt, const ordinal_type numFace) const;
  };

}

// include templated function definitions
#include "Intrepid2_OrientationDef.hpp"

#endif