TRUSTTab_parts.tpp

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#ifndef TRUSTTab_parts_TPP_included
#define TRUSTTab_parts_TPP_included
 
template<typename _TYPE_>
inline void init_parts(TRUSTVect<_TYPE_>& vect, TRUST_Vector<TRUSTTab<_TYPE_>>& parts, TRUSTTab<_TYPE_> *dummy_type_ptr)
{
  const MD_Vector& md = vect.get_md_vector();
  TRUSTTab<_TYPE_>* tab_ptr = dynamic_cast<TRUSTTab<_TYPE_>*>(&vect);
  if (! md.non_nul() || !sub_type(MD_Vector_composite, md.valeur()))
    {
      // Ce n'est pas un tableau a plusieurs sous-parties, on cree juste une partie qui pointe sur vect.
      parts.dimensionner(1);
      TRUSTTab<_TYPE_>& part = parts[0];
      // On preserve le 'shape' du tableau de depart, si c'est un TRUSTTab<_TYPE_>...
      if (tab_ptr) part.ref(*tab_ptr);
      else part.ref(vect);
    }
  else
    {
      ArrOfInt shape;
      const int line_size = vect.line_size();
      if (tab_ptr)
        {
          const TRUSTTab<_TYPE_>& tab = *tab_ptr;
          const int n = tab.nb_dim();
          shape.resize_array(n);
          for (int i = 0; i < n; i++) shape[i] = tab.dimension_tot(i);
        }
      else
        {
          if (line_size == 1)
            {
              shape.resize_array(1);
              shape[0] = vect.size_totale();
            }
          else
            {
              shape.resize_array(2);
              shape[0] = vect.size_totale() / line_size;
              shape[1] = line_size;
            }
        }
 
      const MD_Vector_composite& mdata = ref_cast(MD_Vector_composite, md.valeur());
      const int n = mdata.nb_parts();
      parts.dimensionner(n);
      for (int i = 0, j; i < n; i++)
        {
          ArrOfInt shape_i;
          if (mdata.get_shape(i) == 0)
            shape_i = shape; //si mdata.shapes_[i] > 0, alors la sous-partie a une dimension mineure en plus
          else
            {
              shape_i.resize(shape.size_array() + 1);
              shape_i[1] = mdata.get_shape(i);
              for (j = 1; j < shape.size_array(); j++)
                shape_i[j + 1] = shape[j];
            }
          const int offset = mdata.get_part_offset(i);
          const MD_Vector& md_part = mdata.get_desc_part(i);
          shape_i[0] = md_part->get_nb_items_tot();
          TRUSTTab<_TYPE_>& part = parts[i];
          // Fait pointer le domaine de memoire sur le sous-tableau (pour l'instant tableau monodimensionnel)
          part.ref_array(vect, offset * line_size, shape_i[0] * line_size * std::max(mdata.get_shape(i), (int)1)); // int cast necessary for 64b transcription
          // Change le "shape" du tableau pour mettre le nombre de lignes et de colonnes
          // (nombre total d'items inchange, donc resize autorise)
          part.resize(shape_i);
          // Associe le md_vector
          part.set_md_vector(md_part);
        }
    }
}
 
template <typename _TYPE_>
TRUSTTab_parts<_TYPE_>::TRUSTTab_parts(TRUSTVect<_TYPE_>& vect)
{
  init_parts<_TYPE_>(vect, parts_, static_cast<TRUSTTab<_TYPE_>*>(0));
}
 
template <typename _TYPE_>
void TRUSTTab_parts<_TYPE_>::initialize(TRUSTVect<_TYPE_>& vect)
{
  reset();
  init_parts<_TYPE_>(vect, parts_, static_cast<TRUSTTab<_TYPE_>*>(0));
}
 
// Pour ConstTRUSTTab_parts, on const_cast pour remplir les ref dans parts_.
// Pas grave, ensuite les sous parties ne seront accessibles qu'en const de l'exterieur.
template <typename _TYPE_>
ConstTRUSTTab_parts<_TYPE_>::ConstTRUSTTab_parts(const TRUSTVect<_TYPE_>& vect)
{
  TRUSTVect<_TYPE_>& vect2 = const_cast<TRUSTVect<_TYPE_>&>(vect);
  init_parts<_TYPE_>(vect2, parts_, static_cast<TRUSTTab<_TYPE_>*>(0));
}
 
template <typename _TYPE_>
void ConstTRUSTTab_parts<_TYPE_>::initialize(const TRUSTVect<_TYPE_>& vect)
{
  reset();
  TRUSTVect<_TYPE_>& vect2 = const_cast<TRUSTVect<_TYPE_>&>(vect);
  init_parts<_TYPE_>(vect2, parts_, static_cast<TRUSTTab<_TYPE_>*>(0));
}
 
#endif /* TRUSTTab_parts_TPP_included */