edgeInfo.hh

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#ifndef EdgeInfo_hh
#define EdgeInfo_hh
 
#include <basics.hh>
#include <geometry.hh>
 
#include "triangle.hh"
 
namespace test {
  class DGEdgeInfoTest;
  class DGSpace2dP1Test;
}
 
namespace linDG2D {
 
  using concepts::Real;
 
  // ************************************************************** EdgeInfo **
 
  class EdgeInfo {
  public:
    friend class test::DGEdgeInfoTest;
    friend class test::DGSpace2dP1Test;
    EdgeInfo();
    void addCell(const concepts::Triangle2d* cell, const uint idx);
    const concepts::Triangle2d* cell(uint i) const { return cells_[i]; }
    uint idx(uint i) const { return idxs_[i]; }
    const concepts::Edge& edge() const {
      return *(cells_[0]->connector().edge(idxs_[0]));
    }
    Real length() const;
    Real meanHeight() const;
    const concepts::Real2d normal() const;
    concepts::Real2d mapRefTri(Real xi, uint i) const;
    concepts::Real2d map(Real xi) const;
  private:
    const concepts::Triangle2d* cells_[2];
    uint idxs_[2];
  };
 
} // namespace linDG2D
 
#endif // EdgeInfo_hh