Integrale_tps_produit_champs.cpp

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#include <Integrale_tps_produit_champs.h>
#include <Domaine_VF.h>
#include <TRUSTTab.h>
 
Implemente_instanciable(Integrale_tps_produit_champs, "Integrale_tps_produit_champs", Integrale_tps_Champ);
 
Sortie& Integrale_tps_produit_champs::printOn(Sortie& s) const
{
  return s << que_suis_je() << " " << le_nom();
}
 
Entree& Integrale_tps_produit_champs::readOn(Entree& s)
{
  return s;
}
 
/*! @brief Updates the integral.
 *
 * @brief Checks that the integral time is less than or equal to the current time of the associated field and continues
 *     the integration up to the current time, if the upper bound of the integral has not been exceeded.
 *
 */
void Integrale_tps_produit_champs::mettre_a_jour_integrale()
{
  OWN_PTR(Champ_base) espace_stockage_source, espace_stockage_source2;
  const Champ_base& source = mon_premier_champ()->get_champ(espace_stockage_source);
  const Champ_base& source2 = mon_second_champ()->get_champ(espace_stockage_source2);
  const Noms nom = mon_premier_champ()->get_property("nom");
  const Noms nom2 = mon_second_champ()->get_property("nom");
  double t_courant = mon_premier_champ()->get_time();
 
  if (t_courant != mon_second_champ()->get_time())
    {
      Cerr << "Integrale_tps_produit_champs::mettre_a_jour_integrale()" << finl;
      Cerr << "the current time of the field named " << nom[0] << " =" << t_courant << finl;
      Cerr << "is different of the second field current time " << nom2[0] << " =" << source2.temps() << finl;
      exit();
    }
  if (t_fin_ < t_debut_)
    {
      Cerr << " Statistics begining and ending times are not coherent " << finl;
      Cerr << " t_fin_=" << t_fin_ << " < t_debut_=" << t_debut_ << finl;
      exit();
    }
  if (inf_ou_egal(t_debut_, t_courant) && inf_ou_egal(t_courant, t_fin_))
    {
      double dt = t_courant - tps_integrale_;
      if (dt > 0)
        {
          if (premiere_puissance() == 1 && seconde_puissance() == 1)
            {
              const DoubleTab& val1 = source.valeurs();
              const DoubleTab& val2 = source2.valeurs();
              DoubleTab& mes_val = le_champ_->valeurs();
              if (val1.isDataOnDevice() && val2.isDataOnDevice())
                mapToDevice(mes_val); // If sources are on device, integral will be computed on device
              ajoute_produit_tensoriel(dt, source, source2);
            }
          else
            {
              Cerr << "Integrale_tps_produit_champs::mettre_a_jour_integrale() : case not coded." << finl;
            }
          tps_integrale_ = t_courant;
          dt_integr_calcul_ += dt;
        }
    }
}
 
void Integrale_tps_produit_champs::ajoute_produit_tensoriel(double alpha, const Champ_base& a, const Champ_base& b)
{
  if (support_different_)
    {
      ToDo_Kokkos("Use DoubleTrav and don't resize...");
      // Bring values back to element centers
      const DoubleTab& xp = ref_cast(Domaine_VF,le_champ_->domaine_dis_base()).xp();
      int nb_elem_tot = xp.dimension_tot(0);
      DoubleTab val_a, val_b;
      // Once fields have a cleaner interface, this workaround will not be needed:
      val_a.resize(nb_elem_tot, a.nb_comp());
      val_b.resize(nb_elem_tot, b.nb_comp());
      a.valeur_aux(xp, val_a);
      b.valeur_aux(xp, val_b);
      le_champ_->valeurs().ajoute_produit_tensoriel(alpha, val_a, val_b);
      le_champ_->valeurs().echange_espace_virtuel();
    }
  else
    {
      const DoubleTab& val_a = a.valeurs(), &val_b = b.valeurs();
      le_champ_->valeurs().ajoute_produit_tensoriel(alpha, val_a, val_b);
    }
}