fprop_Wilson_Shift.h

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#ifndef FPROP_WILSON_SHIFT_INCLUDED
#define FPROP_WILSON_SHIFT_INCLUDED
 
#include "Fopr/fopr_Wilson.h"
#include "Field/index_lex.h"
#include "Solver/shiftsolver_CG.h"
 
#include "IO/bridgeIO.h"
using Bridge::vout;
 
 
class Fprop_Wilson_Shift
{
 public:
  static const std::string class_name;
 
 protected:
  Bridge::VerboseLevel m_vl;
 
 private:
  Fopr_Wilson *m_fopr;
  Index_lex *m_index_lex;
 
  int m_Niter;
  double m_Stop_cond;
 
  int m_Nshift;
  std::vector<double> m_sigma;
 
 public:
  Fprop_Wilson_Shift(Fopr_Wilson *fopr, Index_lex *index)
    : m_vl(CommonParameters::Vlevel()),
    m_fopr(fopr), m_index_lex(index) {}
 
  Fprop_Wilson_Shift(Fopr_Wilson *fopr, const Parameters& params)
    : m_vl(CommonParameters::Vlevel()),
    m_fopr(fopr), m_index_lex(nullptr)
  {
    set_parameters(params);
  }
 
 private:
  // non-copyable
  Fprop_Wilson_Shift(const Fprop_Wilson_Shift&);
  Fprop_Wilson_Shift& operator=(const Fprop_Wilson_Shift&);
 
 public:
  void set_parameters(const Parameters& params);
  void set_parameters(const int Nshift, const std::vector<double> sigma,
                      const int Niter, const double Stop_cond);
 
  void get_parameters(Parameters& params) const;
 
  double invert_D(std::vector<Field_F> *, const Field_F&);
};
#endif