Operateur_Grad_base.cpp

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#include <Operateur_Grad_base.h>
#include <TRUSTTrav.h>
 
Implemente_base(Operateur_Grad_base,"Operateur_Grad_base",Operateur_base);
 
 
/*! @brief NE FAIT RIEN A surcharger dans les classes derivees
 *
 * @param (Sortie& os) un flot de sortie
 * @return (Sortie&) le flot de sortie
 */
Sortie& Operateur_Grad_base::printOn(Sortie& os) const
{
  return os;
}
 
 
/*! @brief NE FAIT RIEN A surcharger dans les classes derivees
 *
 * @param (Entree& is) un flot d'entree
 * @return (Entree&) le flot d'entree
 */
Entree& Operateur_Grad_base::readOn(Entree& is)
{
  return is;
}
 
void Operateur_Grad_base::dimensionner(Matrice_Morse& mat) const
{
  /* on tente dimensionner_blocs(), mais en pression! */
  if (has_interface_blocs()) dimensionner_blocs({{ "pression", &mat }});
  else Process::exit(que_suis_je() + " : dimensionner() not coded!");
}
 
DoubleTab& Operateur_Grad_base::ajouter(const DoubleTab& inco, DoubleTab& secmem) const
{
  if (has_interface_blocs())
    secmem *= -1, ajouter_blocs({}, secmem, {{ "pression", inco }}), secmem *= -1; /* pour avoir le bon signe */
  else Process::exit(que_suis_je() + " : ajouter() not coded!");
  return secmem;
}
 
void Operateur_Grad_base::contribuer_a_avec(const DoubleTab& inco, Matrice_Morse& matrice) const
{
  if (has_interface_blocs())
    {
      DoubleTrav secmem(equation().inconnue().valeurs()); //on va le jeter
      matrice.get_set_coeff() *= -1, ajouter_blocs({{ "pression", &matrice }}, secmem), matrice.get_set_coeff() *= -1; /* pour avoir le bon signe */
    }
  else Process::exit(que_suis_je() + " : contribuer_a_avec() not coded!");
}
 
/*! @brief Calcul sans les conditions aux limites ?
 *
 */
DoubleVect& Operateur_Grad_base::multvect(const DoubleTab& x, DoubleTab& b) const
{
  //
  //Cerr << que_suis_je()<<"::multvect n'est surcharge!!" << finl;
  // copie de X en mettant 0 dans le vecteur
  //  (on recupere un resultat tenant compte uniquement des conditions aux limites)
#if 0
  // Tentative de codage plus efficace: ne marche pas !
  // ecart sur SGE_3D_VEF
  DoubleTrav x0(x); // copie de la structure, initialisee a zero
  calculer(x0, b);
  operator_negate(b);
  ajouter(x, b);
#endif
  DoubleTrav x0(x);
  DoubleTrav b0(b);
 
  calculer(x0, b0);
  calculer(x,b);
  b-=b0;
 
  // On a soustrait au resultat la contribution des conditions aux limites.
  return b;
}