forceSmear_APE.h

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#ifndef FORCESMEAR_APE_INCLUDED
#define FORCESMEAR_APE_INCLUDED
 
#include "lib/Smear/forceSmear.h"
#include "lib/Field/shiftField_lex.h"
#include "lib/Smear/projection.h"
#include "lib/Smear/smear_APE.h"
#include "lib/IO/bridgeIO.h"
using Bridge::vout;
 
 
class ForceSmear_APE : public ForceSmear
{
 public:
  static const std::string class_name;
 
 private:
 
  int m_Ndim, m_Nvol;         
  std::vector<double> m_rho;
  Bridge::VerboseLevel m_vl;
 
  Projection *m_proj;
 
  ShiftField_lex *m_shift;
 
  std::vector<Field_G> m_U;
  std::vector<Field_G> m_iTheta;
 
  Field_G *m_v1;
  Field_G *m_v2;
  Field_G *m_vt1;
  Field_G *m_vt2;
  Field_G *m_vt3;
 
  Field_G *m_ct1;
  Field_G *m_ct2;
  Field_G *m_xi;
 
 public:
 
  ForceSmear_APE(Projection *proj, const Parameters& params)
    : m_proj(proj)
  { init(params); }
 
  // Setting parameters with Parameters object.
  void set_parameters(const Parameters& params);
 
  // Setting parameters with uniform smearing parameter.
  void set_parameters(const double rho1);
 
  // Setting parameters with anisotropic smearing parameter.
  void set_parameters(const std::vector<double>& rho);
 
  // Getting parameters by Parameters object.
  void get_parameters(Parameters& params) const;
 
  // Force computation.
  void force_udiv(Field_G& Sigma, const Field_G& Sigma_p, const Field_G& U);
 
 private:
  void init(const Parameters& params);
 
  void tidyup();
 
  int index(int mu, int nu){ return (mu + nu * m_Ndim); }
 
  void force_each(Field_G&,
                  const Field_G&, const Field_G&,
                  const Field_G&, const Field_G&, const int mu, const int nu);
 
  void staple(Field_G&,
              const Field_G&, const Field_G&,
              const int mu, const int nu);
 
#ifdef USE_FACTORY
 private:
 
  static ForceSmear *create_object_with_params(
                          Projection *proj, const Parameters& params)
  { return new ForceSmear_APE(proj, params); }
 
 public:
  static bool register_factory()
  {
    bool init = true;
    init &= ForceSmear::Factory_params::Register("APE",
                                           create_object_with_params);
    return init;
  }
#endif
 
};
#endif