Champ_Face_VDF_implementation.h

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#ifndef Champ_Face_VDF_implementation_included
#define Champ_Face_VDF_implementation_included
 
#include <Champ_implementation_divers.h>
 
class Frontiere_dis_base;
class Domaine_VDF;
class Sortie;
 
class Champ_Face_VDF_implementation : public Champ_implementation_divers
{
public:
  DoubleVect& valeur_a_elem(const DoubleVect& position, DoubleVect& val, int le_poly) const override;
  double valeur_a_elem_compo(const DoubleVect& position, int le_poly, int ncomp) const override;
  DoubleTab& valeur_aux_elems(const DoubleTab& positions, const IntVect& les_polys, DoubleTab& valeurs) const override;
  DoubleTab& valeur_aux_elems_passe(const DoubleTab& positions, const IntVect& les_polys, DoubleTab& valeurs) const;
  DoubleVect& valeur_aux_elems_compo(const DoubleTab& positions, const IntVect& les_polys, DoubleVect& valeurs, int ncomp) const override;
  DoubleTab& valeur_aux_sommets(const Domaine&, DoubleTab&) const override;
  DoubleVect& valeur_aux_sommets_compo(const Domaine&, DoubleVect&, int) const override;
  DoubleTab& remplir_coord_noeuds(DoubleTab& positions) const override;
  int remplir_coord_noeuds_et_polys(DoubleTab& positions, IntVect& polys) const override;
  int imprime_Face(Sortie&, int) const;
 
  DoubleTab& valeur_aux_faces_post_impl(const Domaine_VDF&,  DoubleTab& result) const;
 
protected:
  virtual const Domaine_VDF& domaine_vdf() const = 0;
  inline double interpolation(const double, const double, const double) const;
  DoubleTab& trace(const Frontiere_dis_base& fr, const DoubleTab& y, DoubleTab& x, int distant) const;
 
private:
  DoubleTab& valeur_aux_elems_(const DoubleTab& val_face, const DoubleTab& positions, const IntVect& les_polys, DoubleTab& valeurs) const;
  DoubleVect& valeur_a_elem_(const DoubleTab& val_face, const DoubleVect& position, DoubleVect& val, int le_poly) const;
};
inline double Champ_Face_VDF_implementation::interpolation(const double val1, const double val2, const double psi) const
{
  double epsilon=1.e-12;
  if (std::fabs(psi) < epsilon)
    return val1 ;
  else if (std::fabs(1.-psi) < epsilon)
    return val2 ;
  else
    return val1 + psi * (val2-val1) ;
}
#endif /* Champ_Face_VDF_implementation_included */