Coarsen_Operator_Uniform.h

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#ifndef Coarsen_Operator_Uniform_included
#define Coarsen_Operator_Uniform_included
 
#include <Coarsen_Operator_base.h>
 
// Refine all cells by factor 2 in K, JK or IJK directions
class Coarsen_Operator_Uniform : public Coarsen_Operator_base
{
  Declare_instanciable(Coarsen_Operator_Uniform);
public:
  inline void initialize_grid_data(const Grid_Level_Data_double& fine, Grid_Level_Data_double& coarse, int additional_k_layers) override
  {
    initialize_grid_data_(fine, coarse, additional_k_layers);
  }
  inline void initialize_grid_data(const Grid_Level_Data_float& fine, Grid_Level_Data_float& coarse, int additional_k_layers) override
  {
    initialize_grid_data_(fine, coarse, additional_k_layers);
  }
  // Compute values on coarse mesh from values on fine mesh
  inline void coarsen(const IJK_Field_double& fine, IJK_Field_double& coarse, int compute_weighted_average = 0) const override
  {
    coarsen_(fine, coarse, compute_weighted_average);
  }
  inline void coarsen(const IJK_Field_float& fine, IJK_Field_float& coarse, int compute_weighted_average = 0) const override
  {
    coarsen_(fine, coarse, compute_weighted_average);
  }
 
  // Interpolate values on coarse mesh to fine mesh and substract them from existing values
  inline void interpolate_sub_shiftk(const IJK_Field_double& coarse, IJK_Field_double& fine, const int kshift) const override
  {
    interpolate_sub_shiftk_(coarse, fine, kshift);
  }
  inline void interpolate_sub_shiftk(const IJK_Field_float& coarse, IJK_Field_float& fine, const int kshift) const override
  {
    interpolate_sub_shiftk_(coarse, fine, kshift);
  }
 
protected:
  void ajouter_param(Param& param) override;
  // By how much shall we coarsen in each direction ?
  ArrOfInt coarsen_factors_;
 
private:
 
  //ToDo: temporary workaround as virtual templates are not possible...
  // when suppressing mix precision multigrid, move the template on the class
  template<typename _TYPE_>
  void initialize_grid_data_(const Grid_Level_Data_template<_TYPE_>& fine, Grid_Level_Data_template<_TYPE_>& coarse,
                             int additional_k_layers);
 
  template <typename _TYPE_, typename _TYPE_ARRAY_>
  void coarsen_(const IJK_Field_template<_TYPE_,_TYPE_ARRAY_>& fine, IJK_Field_template<_TYPE_,_TYPE_ARRAY_>& coarse, int compute_weighted_average = 0) const;
 
  template <typename _TYPE_, typename _TYPE_ARRAY_>
  void interpolate_sub_shiftk_(const IJK_Field_template<_TYPE_,_TYPE_ARRAY_>& coarse, IJK_Field_template<_TYPE_,_TYPE_ARRAY_>& fine, const int kshift) const;
 
};
 
#include <Coarsen_Operator_Uniform.tpp>
#endif