Matrice_Dense.h

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#ifndef Matrice_Dense_included
#define Matrice_Dense_included
 
#include <Matrice_Base.h>
#include <TRUSTTab.h>
class Matrice_Morse;
 
class Matrice_Dense : public Matrice_Base
{
 
  Declare_instanciable_sans_constructeur( Matrice_Dense );
 
public :
  Matrice_Dense();
  Matrice_Dense( const int nb_lines , const int nb_cols );
  void dimensionner( const int nb_lines , const int nb_cols );
  void read_from_file( const Nom& filename );
  void convert_to_morse_matrix( Matrice_Morse& morse_matrix ) const;
  inline const double& operator( )( const int line , const int col ) const;
  inline double& operator( )( const int line , const int col );
  friend Matrice_Dense operator+(const Matrice_Dense& A, const Matrice_Dense& B);
  friend Matrice_Dense operator*(const double& a, const Matrice_Dense& B);
  void build_matrix_from_coefficients_line_by_line( const DoubleVect& coefficients );
  void build_matrix_from_coefficients_column_by_column( const DoubleVect& coefficients );
  bool is_the_same( const Matrice_Dense& other_matrix , const double tol=1e-14 ) const;
  void build_the_transposed( Matrice_Dense& transposed ) const;
  void set_coefficient( const int i , const int j , const double value );
  Sortie& imprimer_formatte( Sortie& s ) const override;
 
  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 scale( const double x ) override ;
  void clean() override;
  void get_stencil( Stencil& stencil ) const override;
 
  // Perform the matrix inversion
  void inverse();
  void solve(const ArrOfDouble& b, ArrOfDouble& x);
 
  // Perform a matrix multipication : (*this) * B = RES
  void multiplyToRight(const Matrice_Dense& B, Matrice_Dense& RES) const;
  inline DoubleTab& coeffs()
  {
    return Matrix_;
  }
private :
 
  DoubleTab Matrix_ ;
  ArrOfInt ipiv;
  ArrOfDouble work;
};
 
// Access operators
inline const double& Matrice_Dense::operator( )(const int line, const int col) const
{
  assert( line < nb_lignes( ) );
  assert( col < nb_colonnes( ) );
  return Matrix_( line , col );
}
 
inline double& Matrice_Dense::operator( )(const int line, const int col)
{
  assert( line < nb_lignes( ) );
  assert( col < nb_colonnes( ) );
  return Matrix_( line , col );
}
 
#endif