aprojection.h

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#ifndef APROJECTION_INCLUDED
#define APROJECTION_INCLUDED
 
#include "lib/Field/field_G.h"
#include "lib/Parameters/parameters.h"
 
#ifdef USE_FACTORY
#include "lib/Tools/factory.h"
#endif
 
 
template<typename AFIELD>
class AProjection
{
 public:
  AProjection() {}
  virtual ~AProjection() {}
 
 private:
  // non-copyable
  AProjection(const AProjection&);
  AProjection& operator=(const AProjection&);
 
 public:
  virtual void project(Field_G& v,
                       const double alpha,
                       const Field_G& C, const Field_G& U) = 0;
 
  virtual void project(AFIELD& v,
                       const double alpha,
                       const AFIELD& C, const AFIELD& U)
  {  };
 
  virtual void force_recursive(Field_G& Xi, Field_G& iTheta,
                               const double alpha, const Field_G& Sigmap,
                               const Field_G& C, const Field_G& U) = 0;
 
  virtual void set_parameters(const Parameters& param) = 0;
 
  virtual void get_parameters(Parameters& param) const = 0;
 
 
#ifdef USE_FACTORY
 public:
  typedef AProjection *(*ProductCreator)();
  typedef AProjection *(*ProductCreator_params)(const Parameters&);
 
  typedef FactoryTemplate<AProjection, ProductCreator> Factory;
  typedef FactoryTemplate<AProjection, ProductCreator_params> Factory_params;
 
  static AProjection *New(const IdentifierType& subtype)
  {
    ProductCreator p = Factory::Find(subtype);
    return p ? (*p)() : 0;
  }
 
  static AProjection *New(const IdentifierType& subtype,
                          const Parameters& params)
  {
    ProductCreator_params p = Factory_params::Find(subtype);
    return p ? (*p)(params) : 0;
  }
 
#ifdef USE_FACTORY_AUTOREGISTER
#else
  static bool init_factory();
#endif
#endif
 
};
#endif