Matrice_Nulle.h

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#ifndef Matrice_Nulle_included
#define Matrice_Nulle_included
 
#include <TRUSTTabs_forward.h>
#include <Matrice_Base.h>
 
class Matrice_Nulle : public Matrice_Base
{
  Declare_instanciable_sans_constructeur( Matrice_Nulle ) ;
public :
  int ordre( ) const override;
  int nb_lignes( ) const override;
  int nb_colonnes( ) const override;
 
  DoubleVect& ajouter_multvect_(const DoubleVect& x, DoubleVect& r) const override;
  DoubleVect& ajouter_multvectT_(const DoubleVect& x, DoubleVect& r) const override;
  DoubleTab& ajouter_multTab_(const DoubleTab& x, DoubleTab& r) const override;
 
  void clean() override;
 
  void scale(const double x) override;
  void get_stencil(Stencil& stencil) const override;
  void get_symmetric_stencil(Stencil& stencil) const override;
  void get_stencil_and_coefficients(Stencil& stencil, StencilCoeffs& coefficients) const override;
  void get_symmetric_stencil_and_coefficients(Stencil& stencil, StencilCoeffs& coefficients) const override;
 
public:
  Matrice_Nulle();
  Matrice_Nulle(int order);
  Matrice_Nulle(int nb_lines, int nb_columns);
 
  void dimensionner(int order);
  void dimensionner(int nb_lines, int nb_columns);
 
  double coeff(int i, int j) const;
 
protected :
  int nb_lines_;
  int nb_columns_;
};
 
#endif /* Matrice_Nulle_included */