Champ_front_var.cpp

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#include <Champ_front_var.h>
#include <Domaine_VF.h>
 
Implemente_base(Champ_front_var,"Champ_front_var",Champ_front_base);
 
 
/*! @brief Imprime le nom du champ sur un flot de sortie
 *
 * @param (Sortie& s) un flot de sortie
 * @return (Sortie&) le flot de sortie modifie
 */
Sortie& Champ_front_var::printOn(Sortie& s ) const
{
  return s << que_suis_je() << " " << le_nom();
}
 
 
/*! @brief NE FAIT RIEN A surcharger dans les classes derivees
 *
 *     Doit dans tous les cas fixer nb_comp
 *
 * @param (Entree& is)
 * @return (Entree&) le flot d'entree modifie
 */
Entree& Champ_front_var::readOn(Entree& s )
{
  fixer_nb_comp(1);
  return s ;
}
 
 
/*! @brief Initialisation en debut de calcul.
 *
 * Dimensionne le tableau de valeurs et cree son espace virtuel.
 *     Les classes derivees doivent imperativement appeler cette methode.
 *
 * @return (0 en cas d'erreur, 1 sinon.)
 */
int Champ_front_var::initialiser(double temps, const Champ_Inc_base& inco)
{
  const Frontiere& frontiere = frontiere_dis().frontiere();
  const int n = les_valeurs->nb_cases();
  const int nbc = nb_comp();
  for(int i = 0; i < n; i++)
    {
      DoubleTab& tab = les_valeurs[i].valeurs();
      // B.M. la methode completer dimensionne parfois le tableau.
      // On a un peut tout et n'importe quoi en entree: parfois tableau vide,
      // parfois nb_dim==1, etc...
      // Attention, les valeurs existantes doivent etre conservees s'il y en a !
      if (tab.nb_dim()!=2 || tab.dimension(1)!=nbc)
        {
          tab.resize(tab.dimension(0), nbc);
          frontiere.creer_tableau_faces(tab);
        }
      tab.echange_espace_virtuel();
    }
  return 1;
}