Champ_Fonc_MED_Tabule.cpp

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#include <Champ_Fonc_MED_Tabule.h>
 
Implemente_instanciable( Champ_Fonc_MED_Tabule, "Champ_Fonc_MED_Tabule", Champ_Fonc_MED );
// XD Champ_Fonc_MED_Tabule champ_fonc_med Champ_Fonc_MED_Tabule INHERITS_BRACE not_set
Sortie& Champ_Fonc_MED_Tabule::printOn(Sortie& os) const
{
  Champ_Fonc_MED::printOn(os);
  return os;
}
 
Entree& Champ_Fonc_MED_Tabule::readOn(Entree& is)
{
  Champ_Fonc_MED::readOn(is);
  return is;
}
 
void Champ_Fonc_MED_Tabule::mettre_a_jour(double le_temps)
{
 
  // temps1_ temps2_ such that time is in [temps1_, temps2_[
  if (est_egal(le_temps, temps_calc_))
    return;
 
  if ((temps2_ < -1e8) || (le_temps <= temps_calc_))
    {
      // initialization: from -1e9 to T[0], set the same value
      lire(temps_sauv_[0]);
      tab1_ = valeurs();
      tab2_ = valeurs();
      temps2_ = temps_sauv_[0];
    }
  if (le_temps >= temps2_)
    {
      int i, nbt = temps_sauv_.size_array();
      int trouve = 0;
      for (i = 0; i < nbt - 1; i++)
        {
          if ((le_temps >= temps_sauv_[i]) && (le_temps <= temps_sauv_[i + 1]))
            {
              trouve = 1;
              temps1_ = temps_sauv_[i];
              lire(temps1_);
              tab1_ = valeurs();
              temps2_ = temps_sauv_[i + 1];
              lire(temps2_);
              tab2_ = valeurs();
            }
        }
      if (trouve == 0)
        {
          temps1_ = temps_sauv_[nbt - 1];
          assert(le_temps >= temps_sauv_[nbt - 1]);
          lire(temps1_);
          tab1_ = valeurs();
          tab2_ = tab1_;
          temps2_ = DMAXFLOAT;
        }
      else
        set_instationnaire(true);
    }
 
  if ((le_temps >= temps1_) && (le_temps < temps2_))
    {
      valeurs() = tab2_;
      valeurs() -= tab1_;
      valeurs() *= (le_temps - temps1_) / (temps2_ - temps1_);
      valeurs() += tab1_;
      temps_calc_ = le_temps;
      //  Cerr<<temps_calc_<<" YYYYYY "<<valeurs()[0]<<" "<< tab2_[0]<< " "<<tab1_[0]<<finl;
    }
  else
    {
      Cerr << "internal error" << finl;
      exit();
    }
 
}