Operateurs_Statistique_tps.cpp

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#include <Champ_Generique_Statistiques_base.h>
#include <Operateurs_Statistique_tps.h>
#include <EcritureLectureSpecial.h>
#include <Postraitement.h>
#include <TRUST_2_PDI.h>
 
Implemente_instanciable(Operateurs_Statistique_tps,"Operateurs_Statistique_tps",LIST(OWN_PTR(Operateur_Statistique_tps_base)));
 
Sortie& Operateurs_Statistique_tps::printOn(Sortie& s ) const { return s << que_suis_je() << " " << le_nom(); }
Entree& Operateurs_Statistique_tps::readOn(Entree& s) { return s; }
 
inline const OWN_PTR(Operateur_Statistique_tps_base)& recherche(Operateurs_Statistique_tps& op, const Nom& champ, const Motcle& motlu)
{
  for (auto &itr : op)
    {
      if (itr->le_nom() == champ)
        return itr;
    }
  Cerr << "The post_processing request " << motlu << " of a variable" << finl;
  Cerr << "must be preceded by the post-processing request of the average of the same variable." << finl;
  Process::exit();
  throw;
}
 
 
int Operateurs_Statistique_tps::sauvegarder(Sortie& os) const
{
  // in special write mode only the master writes the header
  int a_faire,special;
  EcritureLectureSpecial::is_ecriture_special(special,a_faire);
 
  if (a_faire)
    {
      Nom mon_ident(que_suis_je());
      mon_ident += mon_post_->probleme().domaine().le_nom();
      double temps = mon_post_->probleme().schema_temps().temps_courant();
      mon_ident += Nom(temps, "%e");
      os << mon_ident << finl;
      os << que_suis_je() << finl;
      os << size() << finl;
      os << Nom(this->dernier()->tstat_deb(), "%e") << finl;
      os << Nom(this->dernier()->tstat_dernier_calcul(), "%e") << finl;
    }
 
  int bytes = 0;
  for (const auto &itr : *this)
    bytes += itr->sauvegarder(os);
 
  if (a_faire) os.flush();
  return bytes;
}
 
 
int Operateurs_Statistique_tps::reprendre(Entree& is)
{
  //Cerr << "Operateurs_Statistique_tps::reprendre" << finl;
  if (mon_post_)
    {
      double tstat_deb_sauv,temps_derniere_mise_a_jour_stats;
      if(TRUST_2_PDI::is_PDI_restart())
        {
          TRUST_2_PDI pdi_interface;
          const std::string& pb_name = mon_post_->probleme().le_nom().getString();
          Nom vide;
          const Nom& nom_post = mon_post_->le_nom();
          std::string post_name = (nom_post != "neant") && (nom_post != vide) ? nom_post.getString() + "_" : "";
          std::string name = pb_name + "_" + post_name + "stat_tdeb";
          pdi_interface.read(name, &tstat_deb_sauv);
          name = pb_name + "_" + post_name + "stat_tend";
          pdi_interface.read(name, &temps_derniere_mise_a_jour_stats);
        }
      else
        {
          Nom bidon;
          is >> bidon;
          if (bidon=="fin")
            {
              // This test avoids a nasty segmentation fault when reading
              // the second dummy value during a save/restart in binary format
              Cerr << "The end of the restarting file is reached." << finl;
              Cerr << "This file does not contain statistics." << finl;
              Cerr << "The restarting time tinit must therefore be lower" << finl;
              Cerr << "than the statistics begining time t_deb." << finl;
              exit();
            }
          is >> bidon;
          int n;
          is >> n;
          is >> tstat_deb_sauv;
          is >> temps_derniere_mise_a_jour_stats;
        }
      //Cerr << "temps_derniere_mise_a_jour_stats" << temps_derniere_mise_a_jour_stats << finl;
      double tinit = mon_post_->probleme().schema_temps().temps_courant();
 
      // Plusieurs cas possibles:
      if (inf_strict(tinit,temps_derniere_mise_a_jour_stats,1.e-5))
        {
          Cerr << "The initial time " << tinit << " of the restarting calculation is lower" << finl;
          Cerr << "than the last statistics update time " << temps_derniere_mise_a_jour_stats << finl;
          Cerr << "One is not able to treat this case." << finl;
          exit();
        }
      else if (!est_egal(tstat_deb_sauv,this->dernier()->tstat_deb()))
        {
          // t_deb has been modified: statistics are restarted from scratch without resuming in some cases
          if (inf_strict(this->dernier()->tstat_deb(),tinit,1.e-5))
            {
              Cerr << "t_deb has been modified to carry out a new statistics calculation without restarting" << finl;
              Cerr << "but t_deb is lower than tinit : it is not possible." << finl;
              exit();
            }
          Cerr << "Statistics are not restarted and therefore the statistics calculation" << finl;
          Cerr << "will restart a t_deb =" << this->dernier()->tstat_deb() << finl;
 
          if(!TRUST_2_PDI::is_PDI_restart())
            {
              Nom bidon2;
              double dbidon;
              BigDoubleTab tab_bidon;
              auto& list = get_stl_list();
              for (auto&& itr = list.begin(); itr != list.end(); ) // Skipping fields
                {
                  is >> bidon2 >> bidon2;
                  is >> dbidon;
                  tab_bidon.reset(); // otherwise size error in lit()
                  tab_bidon.jump(is);
                  ++itr;
                }
            }
        }
      else // tinit=>temps_derniere_mise_a_jour_stats: resuming statistics
        {
          Nom bidon2;
          for (auto &itr : *this)
            {
              if(!TRUST_2_PDI::is_PDI_restart())
                is >> bidon2 >> bidon2; // Skipping the field identifier and type
              itr->reprendre(is);
            }
          // Updating the tstat_deb_ attribute of the fields to account for the restart
          for (auto &itr : *this)
            itr->fixer_tstat_deb(tstat_deb_sauv,temps_derniere_mise_a_jour_stats);
        }
    }
  else  // reading to skip the block
    {
      if(TRUST_2_PDI::is_PDI_restart())
        {
          Cerr << "Problem in the resumption of Operateurs_Statistique_tps" << finl;
          Cerr << "PDI format does not require to navigate through file..." << finl;
          Process::exit();
        }
      int n;
      is >> n;
      double tstat_deb_sauv,temps_derniere_mise_a_jour_stats;
      is >> tstat_deb_sauv;
      is >> temps_derniere_mise_a_jour_stats;
      Nom bidon;
      double dbidon;
      BigDoubleTab tab_bidon;
      for (int i=0; i<n; i++)
        {
          is >> bidon >> bidon;
          is >> dbidon;
          tab_bidon.reset(); // otherwise size error in lit()
          tab_bidon.jump(is);
        }
    }
  return 1;
}