Champ_Input_P0_Composite.cpp

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#include <Champ_Input_P0_Composite.h>
#include <Discretisation_base.h>
#include <Champ_Fonc_MED.h>
#include <Champ_Uniforme.h>
#include <Probleme_base.h>
#include <Domaine_dis_base.h>
#include <Param.h>
 
Implemente_instanciable(Champ_Input_P0_Composite,"Champ_Input_P0_Composite",Champ_Fonc_P0_base);
// XD champ_input_p0_composite champ_input_base champ_input_p0_composite BRACE Field used to define a classical champ
// XD_CONT input p0 field (for ICoCo), but with a predefined field for the initial state.
// XD attr initial_field field_base initial_field OPT The field used for initialization
// XD attr input_field champ_input_p0 input_field OPT The input field for ICoCo
 
Sortie& Champ_Input_P0_Composite::printOn(Sortie& os) const { return os; }
 
Entree& Champ_Input_P0_Composite::readOn(Entree& is)
{
  Cerr << "Reading of data for " << que_suis_je() << finl;
  Param param(que_suis_je());
  param.ajouter("initial_field", &champ_initial_);
  param.ajouter("input_field", &champ_input_, Param::REQUIRED);
  param.lire_avec_accolades_depuis(is);
 
  // Put initial field at elem if needed
  if ( is_initialized() )
    {
      if (champ_initial_->nb_comp() != champ_input_.nb_comp())
        {
          Cerr << "WHAT ?? Go to the Champ_Input_P0_Composite field and define the same number of components for the fields !!!" << finl;
          Process::exit();
        }
 
      const Discretisation_base& disc = champ_input_.z_probleme().discretisation();
      const int ncomp = champ_initial_->nb_comp();
      if (domaine_dis_base().nb_elem_tot() == champ_initial_->valeurs().dimension_tot(0)) { /* do nothing */ }
      else if (sub_type(Champ_Fonc_MED,champ_initial_.valeur()))
        {
          OWN_PTR(Champ_Don_base) tmp_fld;
          disc.discretiser_champ("champ_elem",domaine_dis_base(),"neant","neant",ncomp ,0.,tmp_fld);
          tmp_fld->affecter(champ_initial_.valeur()); // interpolate ...
          champ_initial_.detach();
          disc.discretiser_champ("champ_elem",domaine_dis_base(),"neant","neant",ncomp,0.,champ_initial_);
          champ_initial_->valeurs() = tmp_fld->valeurs();
        }
      else if (sub_type(Champ_Uniforme,champ_initial_.valeur())) // blabla ...
        {
          const double val = champ_initial_->valeurs()(0,0);
          champ_initial_.detach();
          disc.discretiser_champ("champ_elem",domaine_dis_base(),"neant","neant",ncomp,0.,champ_initial_);
          champ_initial_->valeurs() = val;
        }
      else
        {
          Cerr << "Error in the readOn of : " << que_suis_je() << finl;
          Cerr << "The initial field type is not yet treated ! Call the 911 !" << finl;
          Process::exit();
        }
    }
  return is;
}