Redistribute_Field.h

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#ifndef Redistribute_Field_included
#define Redistribute_Field_included
 
#include <IJK_Field.h>
#include <IJK_Field_vector.h>
#include <TRUSTTabs.h>
#include <Schema_Comm_Vecteurs.h>
 
// Classe outil permettant de redistribuer un champ d'un maillage ijk sur un maillage
// distribue differemment (copie maille par maille sans interpolation)
class Redistribute_Field
{
public:
  void initialize(const Domaine_IJK& input,
                  const Domaine_IJK& output,
                  const Domaine_IJK::Localisation loc);
  void initialize(const Domaine_IJK& input,
                  const Domaine_IJK& output,
                  const Domaine_IJK::Localisation loc,
                  const VECT(IntTab) & redistribute_maps);
  void redistribute(const IJK_Field_double& input_field,
                    IJK_Field_double& output_field)
  {
    redistribute_(input_field, output_field, false);
  }
  template<class T, int N>
  void redistribute(const IJK_Field_vector<T, N>& input_field,
                    IJK_Field_vector<T, N>& output_field)
  {
    for (int i = 0; i < N; i++)
      redistribute_(input_field[i], output_field[i], false);
  }
  void redistribute_add(const IJK_Field_double& input_field,
                        IJK_Field_double& output_field)
  {
    redistribute_(input_field, output_field, true);
  }
  template<class T, int N>
  void redistribute_add(const IJK_Field_vector<T, N>& input_field,
                        IJK_Field_vector<T, N>& output_field)
  {
    for (int i = 0; i < N; i++)
      redistribute_(input_field[i], output_field[i], true);
  }
  void redistribute(const IJK_Field_float& input_field,
                    IJK_Field_float& output_field)
  {
    redistribute_(input_field, output_field, false);
  }
  void redistribute_add(const IJK_Field_float& input_field,
                        IJK_Field_float& output_field)
  {
    redistribute_(input_field, output_field, true);
  }
protected:
  void redistribute_(const IJK_Field_double& input_field,
                     IJK_Field_double& output_field,
                     bool add);
  void redistribute_(const IJK_Field_float& input_field,
                     IJK_Field_float& output_field,
                     bool add);
  static void intersect(const int s1, const int n1, int& s2, int& n2, int& s3);
  void compute_send_blocs(const Domaine_IJK& input,
                          const Domaine_IJK& output,
                          const Domaine_IJK::Localisation localisation,
                          const int dir,
                          const IntTab& global_index_mapping,
                          IntTab& send_blocs);
 
  FixedVector<IntTab, 3> send_blocs_;
  FixedVector<IntTab, 3> recv_blocs_;
  Schema_Comm_Vecteurs schema_comm_;
  int size_buffer_for_me_;
};
#endif