Support_Champ_Masse_Volumique.cpp

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#include <Support_Champ_Masse_Volumique.h>
#include <Nom.h>
 
/*! @brief Constructor of the class.
 *
 * By default, an already coded derived class calls the constructor without argument. support_ok is set to zero
 *   and an error is produced if Associer_champ_masse_volumique is called.
 *   To indicate that the density field is supported by
 *   the derived class, call Declare_support_masse_volumique
 *
 */
Support_Champ_Masse_Volumique::Support_Champ_Masse_Volumique() :
  support_ok_(0)
{
}
 
/*! @brief Virtual destructor (to avoid warnings)
 *
 */
Support_Champ_Masse_Volumique::~Support_Champ_Masse_Volumique()
{
}
 
/*! @brief The constructor of a derived class that uses the density field must call this function with the value 1.
 *
 * If a client class
 *   (Navier Stokes for example) tries to associate the density field to a
 *   class that has not set ok=1, it stops: function not implemented.
 *
 */
void Support_Champ_Masse_Volumique::declare_support_masse_volumique(int ok)
{
  support_ok_ = ok;
}
 
/*! @brief Method to be called during problem preparation to ask the object to take into account the density field passed as parameter.
 *
 */
void Support_Champ_Masse_Volumique::associer_champ_masse_volumique(const Champ_base& ch)
{
  if (! support_ok_)
    {
      Cerr << "Error in Support_Champ_Masse_Volumique::Associer_champ_masse_volumique" << finl;
      Cerr << " Support from a density field was not coded for this object" << finl;
      assert(0);
      Process::exit();
    }
  ref_champ_rho_ = ch;
}
 
/*! @brief Cancels the reference to the density field.
 *
 */
void Support_Champ_Masse_Volumique::dissocier_champ_masse_volumique()
{
  OBS_PTR(Champ_base) ref_nulle;
  ref_champ_rho_ = ref_nulle;
}
 
/*! @brief Returns 1 if the density field has been associated, 0 otherwise.
 *
 */
int Support_Champ_Masse_Volumique::has_champ_masse_volumique() const
{
  int ref_non_nulle = bool(ref_champ_rho_);
  return ref_non_nulle;
}
 
/*! @brief Returns the density field
 *
 */
const Champ_base& Support_Champ_Masse_Volumique::get_champ_masse_volumique() const
{
  assert(ref_champ_rho_);
  const Champ_base& ch = ref_champ_rho_.valeur();
  return ch;
}