hexFunctions.hh

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#ifndef hexFunctions_hh
#define hexFunctions_hh
 
#include "basics/vectorsMatrices.hh"
#include "basics/typedefs.hh"
#include "basics/Zm.hh"
 
namespace concepts {
 
  // forward declaration
  class Hexahedron;
 
}
 
namespace hp3D {
 
  // ********************************************************** HexFunctions **
 
  class HexFunctions {
  public:
    static void edgeOrientation(const uint i,
        uint& pIndex, uint& qIndex, uint& rIndex);
 
    static void faceOrientation(const concepts::Hexahedron& cntr, const uint i,
        uint& pIndex, uint& qIndex, uint& rIndex);
 
    static void faceShapefctOrientation(const concepts::Hexahedron& cntr,
          const uint i,
          bool& flip0, bool& flip1);
 
    static void vertexIndex(const uint i, uint ll[3]);
 
    static void edgeIndex(const uint i, const uint qIndex, const uint rIndex,
        uint ll[3]);
 
    static void faceIndex(const uint i, const uint rIndex, uint ll[3]);
 
    static uint index(const uint ll[3], const ushort p[3]) {
      // copy'n paste from TColumnTensor::operator[]
      return ll[0]+ll[1]*(1+p[0])+ll[2]*(1+p[0])*(1+p[1]);
    }
    static concepts::Real2d coordTrans(const concepts::Real x,const  concepts::Real y, uint k, concepts::Z2 r, concepts::Z4 t);
    static concepts::Real2d coordTransInv(const concepts::Real x,const  concepts::Real y, uint k, concepts::Z2 r, concepts::Z4 t);
 
    static const concepts::ushort* setDegreeHex2Quad(const ushort* p, uint k, concepts::Z4 tau);
  };
 
 
 
} // namespace hp3D
 
#endif // hexFunctions_hh