hp3D/space.hh

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/* space class for 3D hp FEM
 */

#ifndef hpSpace3D_hh
#define hpSpace3D_hh

#include <memory>
#include <map>
#include <cstring>
#include "basics/exceptions.hh"
#include "basics/typedefs.hh"
#include "basics/level.hh"
#include "toolbox/hashMap.hh"
#include "space/space.hh"
#include "space/hpMethod.hh"
#include "space/smatrix.hh"
#include "geometry/continuityData.hh"
#include "geometry/cell3D.hh"
#include "geometry/mesh.hh"
#include "geometry/boundaryConditions.hh"
#include "toolbox/scannerConnectors.hh"
#include "element.hh"

namespace concepts {

  // forward declaration
  class InOutParameters;

  // ****************************************************************** Scan **

  template<>
  class Scan<hp3D::Element<Real> > :
    public concepts::Scan<concepts::ElementWithCell<Real> > {
  public:  
    hp3D::Element<Real>& operator++(int) = 0;
  };

} // namespace concepts

namespace hp3D {
  using concepts::Real;

  // forward declarations
  class Hexahedron;
  class BuildDofsBase;

  // ***************************************************************** Space **

  class Space :
    public concepts::SpaceOnCells<Real>,
    public concepts::AdaptiveSpace<Real, concepts::AdaptiveAdjustP<3> > {
    friend class BuildDofsBase;
  public:
    typedef concepts::Scan<hp3D::Element<Real> > Scan;

    Space(concepts::Mesh3& msh, uint l, uint p,
    concepts::BoundaryConditions* bc = 0);
    Space(const Space& spc);
    virtual ~Space();
    
    inline virtual uint dim() const;
    inline virtual uint nelm() const;
    inline virtual Scan* scan() const;

    inline uint dim();
    inline uint nelm();
    inline Scan* scan();

    virtual void adjust(const concepts::Element<Real>& elm,
      const concepts::AdaptiveAdjustP<3>& a);

    Space rebuild();

    const std::auto_ptr<concepts::SMatrixBase<Real> >*
    getSmatrices(const concepts::Hex3dSubdivision* subdiv) const;

    void recomputeSmatrices(const Hexahedron* elm) const;

    static void setTimings(concepts::InOutParameters* timings);
    static bool timings();

    void buildVertexDofs(const BuildDofsBase& b);
    void buildEdgeDofs(const BuildDofsBase& b);
    void buildFaceDofs(const BuildDofsBase& b);
    void buildInnerDofs(const BuildDofsBase& b);
  protected:
    virtual std::ostream& info(std::ostream& os) const;
  private:
    concepts::Mesh3& msh_;
    concepts::BoundaryConditions* bc_;
    bool rebuild_;

    uint dim_;
    uint nelm_;
    concepts::Joiner<Element<Real>*, 1>* elm_;
    concepts::Joiner<Element<Real>*, 1>* endElm_;
    __gnu_cxx::hash_map<uint, concepts::AdaptiveControl<> > ctrl0_;
    std::auto_ptr<__gnu_cxx::hash_map<uint,
              concepts::AdaptiveControlP<1> > > ctrl1_;
    std::auto_ptr<__gnu_cxx::hash_map<uint,
              concepts::AdaptiveControlP<2> > > ctrl2_;
    __gnu_cxx::hash_map<uint, concepts::AdaptiveControlP<3> > ctrl3_;

    std::map<uint, concepts::CellData> cellList_;
    std::map<uint, concepts::FaceData> faceList_;
    std::map<uint, concepts::EdgeData> edgeList_;
    std::map<uint, concepts::VertexData> vertexList_;

    __gnu_cxx::hash_map<uint, concepts::AdaptiveAdjustP<3> > adj_;

    mutable std::auto_ptr<concepts::SMatrix1D> S1left_, S1right_;
    mutable std::auto_ptr<concepts::SMatrixBase<Real> > Smatrices8_[8];
    mutable std::auto_ptr<concepts::SMatrixBase<Real> > Smatrices4x_[4],
      Smatrices4y_[4], Smatrices4z_[4];
    mutable std::auto_ptr<concepts::SMatrixBase<Real> > Smatrices2x_[2],
      Smatrices2y_[2], Smatrices2z_[2];

    static concepts::InOutParameters* timings_;
    static uint timeCntr_;

    std::auto_ptr<BuildDofsBase> buildVertexDofs_;
    std::auto_ptr<BuildDofsBase> buildEdgeDofs_;
    std::auto_ptr<BuildDofsBase> buildFaceDofs_;
    std::auto_ptr<BuildDofsBase> buildInnerDofs_;

    void meshAndPoly_(concepts::Hexahedron3d& cell,
          concepts::Level<3>& L, int* P);

    void enforceBC_(concepts::Hexahedron3d& cell);

    void createCellList_(const concepts::Connector& cntr,
       const concepts::CellData* father);
    void createEdgFaceList_(const concepts::Cell3& cell);
    void createVtxEdgList_(const concepts::Cell3& cell);

    void enrichElm_(const concepts::Hexahedron3d& cell, int* p);

    void buildElements_(concepts::Hexahedron3d& cell,
      ushort* Pmax,
      concepts::TColumn<Real>* T0 = 0);

    void computePmax_(const concepts::Hexahedron& cntr,
          ushort Pmax[3]) const;

    void deactivate_(const concepts::Connector2& face);
    void deactivate_(const concepts::Connector1& edg);
    void deactivate_(const concepts::Connector0& vtx);
    void doCorrectRefinement_(concepts::Hexahedron3d& cell,
            concepts::Level<3>& L) const;
  };

  uint Space::dim() const {
    if (rebuild_) throw conceptsException(concepts::SpaceNotBuilt());
    return dim_; 
  }

  uint Space::nelm() const {
    if (rebuild_) throw conceptsException(concepts::SpaceNotBuilt());
    return nelm_; 
  }

  Space::Scan* Space::scan() const {
    if (rebuild_) throw conceptsException(concepts::SpaceNotBuilt());
    return new concepts::PListScan<Element<Real> >(*elm_);
  }

  uint Space::dim() {
    if (rebuild_) rebuild();
    return dim_; 
  }

  uint Space::nelm() {
    if (rebuild_) rebuild();
    return nelm_; 
  }

  Space::Scan* Space::scan() {
    if (rebuild_) rebuild();
    return new concepts::PListScan<Element<Real> >(*elm_);
  }

} // namespace hp3d

#include "buildDofsBase.hh"

#endif // hpElement3d_h