Champ_front_Tabule.cpp

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#include <Champ_front_Tabule.h>
#include <TRUSTTrav.h>
 
Implemente_instanciable(Champ_front_Tabule,"Champ_front_Tabule",Champ_front_instationnaire_base);
// XD champ_front_tabule front_field_base champ_front_tabule NO_BRACE Constant field on the boundary, tabulated as a
// XD_CONT function of time.
// XD attr nb_comp entier nb_comp REQ Number of field components.
// XD attr bloc bloc_lecture bloc REQ {nt1 t2 t3 ....tn u1 [v1 w1 ...] u2 [v2 w2 ...] u3 [v3 w3 ...] ... un [vn wn ...]
// XD_CONT } NL2 Values are entered into a table based on n couples (ti, ui) if nb_comp value is 1. The value of a field
// XD_CONT at a given time is calculated by linear interpolation from this table.
 
/*! @brief Print the field values to an output stream.
 *
 * @param (Sortie& os) an output stream
 * @return (Sortie&) the modified output stream
 */
Sortie& Champ_front_Tabule::printOn(Sortie& os) const
{
  return os << valeurs();
}
 
 
/*! @brief Read the tabulated field values from an input stream.
 *
 * Format:
 *      Champ_front_Tabule nb_comp { nval tps_1...tps_nval vrel_1...vrel_nval }
 *
 * @param (Entree& is) an input stream
 * @return (Entree&) the modified input stream
 * @throws opening brace expected
 * @throws closing brace expected
 */
Entree& Champ_front_Tabule::readOn(Entree& is)
{
  Motcle motlu;
  int nb_val;
  Motcle accolade_ouverte("{");
  Motcle accolade_fermee("}");
 
  int dim,i,j;
  dim=lire_dimension(is,que_suis_je());
  fixer_nb_comp(dim);
 
  is >> motlu;
  if (motlu == accolade_ouverte)
    {
      nb_val=lire_dimension(is,que_suis_je());
      DoubleVect param(nb_val);
      DoubleTab tab_valeurs(nb_val, dim);
      for (i=0; i<nb_val; i++)
        is >> param[i];
      for (i=0; i<nb_val; i++)
        for (j=0; j<dim; j++)
          is >> tab_valeurs(i,j);
      la_table.remplir(param,tab_valeurs);
      is >> motlu;
      if (motlu != accolade_fermee)
        {
          Cerr << "Error reading from an object of type Champ_front_Tabule" << finl;
          Cerr << "We expected keyword } instead of " << motlu << finl;
          exit();
        }
    }
  else
    {
      Cerr << "Error reading from an object of type Champ_front_Tabule" << finl;
      Cerr << "We expected keyword { instead of " << motlu << finl;
      exit();
    }
  return is;
}
 
 
 
/*! @brief Returns the Champ_front_Tabule object upcast to Champ_front_base
 *
 * @param (Champ_front_base& ch)
 * @return (Champ_front_base&) (*this) upcast to Champ_front_base
 */
Champ_front_base& Champ_front_Tabule::affecter_(const Champ_front_base& )
{
  return *this;
}
 
 
int Champ_front_Tabule::initialiser(double temps, const Champ_Inc_base& inco)
{
  if (!Champ_front_instationnaire_base::initialiser(temps,inco))
    return 0;
  mettre_a_jour(temps);
  return 1;
}
 
/*! @brief Time update of the field.
 *
 * Compute the gradient Gpoint.
 *
 * @param (double tps) the update time
 */
void Champ_front_Tabule::mettre_a_jour(double temps)
{
  la_table.valeurs(valeurs_au_temps(temps), temps);
}