staple.h

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#ifndef STAPLE_INCLUDED
#define STAPLE_INCLUDED
 
#include "Parameters/parameters.h"
#include "Field/field_G.h"
 
#include "IO/bridgeIO.h"
 
#ifdef USE_FACTORY
#include "Tools/factory.h"
#endif
 
 
class Staple
{
 public:
  Staple() {}
  virtual ~Staple() {}
 
 private:
  // non-copyable
  Staple(const Staple&);
  Staple& operator=(const Staple&);
 
 public:
  virtual void set_parameters(const Parameters& params) = 0;
 
  virtual void get_parameters(Parameters& params) const = 0;
 
  virtual void upper(Field_G&, const Field_G&, const int mu, const int nu) = 0;
 
  virtual void lower(Field_G&, const Field_G&, const int mu, const int nu) = 0;
 
  virtual void staple(Field_G&, const Field_G&, const int mu) = 0;
 
  virtual double plaquette(const Field_G&) = 0;
 
  virtual double plaq_s(const Field_G&) = 0;
 
  virtual double plaq_t(const Field_G&) = 0;
 
#ifdef USE_FACTORY
 public:
  typedef Staple *(*ProductCreator)();
  typedef FactoryTemplate<Staple, ProductCreator> Factory;
 
  static Staple *New(const IdentifierType& subtype)
  {
    ProductCreator p = Factory::Find(subtype);
 
    return p ? (*p)() : 0;
  }
 
#ifdef USE_FACTORY_AUTOREGISTER
#else
  static bool init_factory();
#endif
#endif
};
#endif