Champ_Fonc_Tabule_Morceaux.cpp

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#include <Champ_Fonc_Tabule_Morceaux.h>
#include <Domaine.h>
#include <TRUSTTrav.h>
#include <Domaine_VF.h>
#include <TRUSTTab_parts.h>
 
Implemente_instanciable(Champ_Fonc_Tabule_Morceaux, "Champ_Fonc_Tabule_Morceaux|Champ_Tabule_Morceaux", TRUSTChamp_Morceaux_generique<Champ_Morceaux_Type::FONC_TABULE>);
// XD Champ_Fonc_Tabule_Morceaux champ_don_base Champ_Tabule_Morceaux NO_BRACE Field defined by tabulated data in each
// XD_CONT sub-domaine. It makes possible the definition of a field which is a function of other fields.
// XD attr domain_name ref_domaine domain_name REQ Name of the domain.
// XD attr nb_comp entier nb_comp REQ Number of field components.
// XD attr data bloc_lecture data REQ { Defaut val_def sous_domaine_1 val_1 ... sous_domaine_i val_i } By default, the
// XD_CONT value val_def is assigned to the field. It takes the sous_domaine_i identifier Sous_Domaine (sub_area) type
// XD_CONT object function, val_i. Sous_Domaine (sub_area) type objects must have been previously defined if the
// XD_CONT operator wishes to use a champ_fonc_tabule_morceaux type object.
 
Sortie& Champ_Fonc_Tabule_Morceaux::printOn(Sortie& os) const { return os << valeurs(); }
 
Entree& Champ_Fonc_Tabule_Morceaux::readOn(Entree& is)
{
  Nom nom, nom_ch;
  is >> nom;
  interprete_get_domaine(nom);
  mon_domaine->creer_tableau_elements(i_mor);
  i_mor = -1; // pour planter si on a oublie un sous-domaine
 
  int nbcomp;
  is >> nbcomp;
 
  fixer_nb_comp(nbcomp);
  valeurs_.resize(0, nbcomp);
  mon_domaine->creer_tableau_elements(valeurs_);
 
  is >> nom;
  if(nom != "{")
    Process::exit(que_suis_je() + " : { expected instead of " + nom);
 
  for (is >> nom; nom != "}"; is >> nom)
    {
      CHTAB ch_lu;
      /* 1. lecture du sous-domaine */
      OBS_PTR(Sous_Domaine) refssz = les_sous_domaines.add(mon_domaine->ss_domaine(nom));
      Sous_Domaine& ssz = refssz.valeur();
 
      /* 2. lecture des champs parametres */
      is >> nom, m_pb_ch.push_back({});
      if (nom != "{")
        {
          Cerr << "Errror reading old syntax: " << que_suis_je() << " " << domaine()->le_nom() << " " << nbcomp << " { " << ssz.le_nom() << " " << nom << " 1 { ... } ... }" << finl;
          Cerr << "New syntax is like :       " << que_suis_je() << " " << domaine()->le_nom() << " " << nbcomp << " { " << ssz.le_nom() << " { problem_name " << nom << " } { ... } ... }" << finl;
          Cerr << "Check the doc or release notes." << finl;
          Process::exit();
        }
      else for (is >> nom; nom != "}"; is >> nom)
          {
            is >> nom_ch;
            Nom nat = "";
            if (is_interp_) is >> nat;
            std::array<std::string, 3> pb_ch = { nom.getString(), nom_ch.getString(), nat.getString() };
            s_pb_ch.insert(pb_ch), m_pb_ch.back().push_back(pb_ch); //ajout aux listes pour ce morceau et globale
          }
 
      const int nb_param = (int)m_pb_ch.back().size();
 
      is >> nom;
      if (nom != "{")
        Process::exit(que_suis_je() + " : { expected instead of " + nom);
 
      /* 1. lecture de la grille de parametres */
      DoubleVects params;
      for (int n = 0; n < nb_param; n++)
        {
          const int nb_val = lire_dimension(is, que_suis_je());
          DoubleVect param(nb_val);
          for (int i = 0; i < nb_val; i++) is >> param[i];
          params.add(param);
        }
 
      /* 2. lecture des valeurs des parametres */
      // taille totale du tableau de valeurs
      int size = nbcomp;
      for (int n = 0; n < nb_param; n++) size *= params[n].size();
 
      // lecture : tout dans un tableau 1D
      DoubleVect tab_valeurs(size);
      for (int i = 0; i < size; i++) is >> tab_valeurs[i];
      ch_lu.la_table.remplir(params, tab_valeurs);
 
      is >> nom;
      if (nom != "}")
        Process::exit(que_suis_je() + " : } expected instead of "+ nom);
      for (int i = 0; i < ssz.nb_elem_tot(); i++) i_mor(ssz(i)) = (int)morceaux.size();
      morceaux.push_back(ch_lu);
    }
  if (mp_min_vect(i_mor) == -1)
    Process::exit(que_suis_je() + " : some pieces of the field are missing!");
 
  return is;
}
 
int Champ_Fonc_Tabule_Morceaux::initialiser(const double tps)
{
  /* remplissage de ch_param (pointeurs vers les champs) et des i_ch (champs utilises par chaque morceau) */
  std::vector<std::array<std::string, 3>> v_pb_ch(s_pb_ch.begin(), s_pb_ch.end()); //set -> vector
  for (auto &&pb_ch : v_pb_ch) /* (probleme, champ) -> pointeurs */
    {
      const Nom pb_nom = Nom(pb_ch[0]);
      const Probleme_base& pb = ref_cast(Probleme_base, Interprete::objet(pb_nom));
      const Champ_base& ch = pb.has_champ(Nom(pb_ch[1])) ? pb.get_champ(Nom(pb_ch[1])) : pb.get_champ_post(Nom(pb_ch[1])).get_champ(espace_stockage_);
      ch_param.push_back(&ch);
    }
  for (int i = 0; i < (int) m_pb_ch.size(); i++)
    for (auto && pb_ch : m_pb_ch[i]) /* indices */
      morceaux[i].i_ch.push_back((int)(std::lower_bound(v_pb_ch.begin(), v_pb_ch.end(), pb_ch) - v_pb_ch.begin()));
 
  m_pb_ch.clear();
  s_pb_ch.clear();
 
  return TRUSTChamp_Morceaux_generique<Champ_Morceaux_Type::FONC_TABULE>::initialiser(tps);
}
 
void Champ_Fonc_Tabule_Morceaux::mettre_a_jour(double time)
{
 
  DoubleTab& tab = valeurs(), vide;
  std::vector<const DoubleTab* > pval; /* valeurs des parametres */
  std::vector<DoubleTrav> tval; /* tableaux temporaires */
  std::vector<bool> is_multi; /* true si le champ correspondant est multi_composantes */
  pval.reserve(ch_param.size()), tval.reserve(ch_param.size()), is_multi.reserve(ch_param.size());
  for (auto &&pch : ch_param)
    {
      ConstDoubleTab_parts part(pch->valeurs()); //pour ignorer les variables aux de PolyMAC_HFV
      if (tab.get_md_vector() == part[0].get_md_vector()) /* on est bien aux elements -> utilisation directe */
        pval.push_back(&pch->valeurs());
      else /* sinon -> calcul des valeurs aux elems et stockage dans un tableau de tval */
        {
          IntVect polys(tab.dimension_tot(0));
          for (int i = 0; i < tab.dimension_tot(0); i++) polys[i] = i;
          tval.push_back(DoubleTab(tab.dimension_tot(0), pch->nb_comp()));
          pch->valeur_aux_elems(pch->a_un_domaine_dis_base() ? ref_cast(Domaine_VF, pch->domaine_dis_base()).xp() : vide, polys, tval.back());
          pval.push_back(&tval.back());
        }
      is_multi.push_back(pval.back()->dimension(1) > 1);
    }
  std::vector<double> vals(ch_param.size());
  for (int e  = 0; e < mon_domaine->nb_elem(); e++)
    {
      const CHTAB& mor = morceaux[i_mor(e)];
      int N = tab.dimension(1), M = (int) mor.i_ch.size();
      if (N == 1 && M == 1)
        tab(e, 0) = mor.la_table.val_simple((*pval[mor.i_ch[0]])(e, 0));
      else for (int n = 0, m; n < N; n++)
          {
            for (vals.clear(), m = 0; m < M; m++) vals.push_back((*pval[mor.i_ch[m]])(e, n * is_multi[mor.i_ch[m]])); /* si le champ parametre est multi-compo, on prend la meme que celle du champ */
            tab(e, n) = mor.la_table.val(vals, n);
          }
    }
  tab.echange_espace_virtuel();
}