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 Prints the field name to an output stream
 *
 * @param (Sortie& s) an output stream
 * @return (Sortie&) the modified output stream
 */
Sortie& Champ_front_var::printOn(Sortie& s ) const
{
  return s << que_suis_je() << " " << le_nom();
}
 
 
/*! @brief DOES NOTHING must be overridden in derived classes
 *
 *     Must in all cases set nb_comp
 *
 * @param (Entree& is)
 * @return (Entree&) the modified input stream
 */
Entree& Champ_front_var::readOn(Entree& s )
{
  fixer_nb_comp(1);
  return s ;
}
 
 
/*! @brief Initialization at the beginning of the calculation.
 *
 * Sizes the value array and creates its virtual space.
 *     Derived classes must imperatively call this method.
 *
 * @return (0 in case of error, 1 otherwise.)
 */
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. the completer method sometimes sizes the array.
      // We have a bit of everything in input: sometimes empty array,
      // sometimes nb_dim==1, etc...
      // Be careful, existing values must be preserved if there are any!
      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;
}