corr2pt_Wilson_SF.h

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#ifndef CORR2PT_WILSON_SF_INCLUDED
#define CORR2PT_WILSON_SF_INCLUDED

#include "Field/index_lex.h"
#include "Field/field_F.h"
#include "Tools/gammaMatrixSet.h"

#include <valarray>
using std::valarray;

#include "bridge_complex.h"
using Bridge::vout;


class Corr2pt_Wilson_SF
{
 public:
  static const std::string class_name;

 protected:
  Bridge::VerboseLevel m_vl;

 private:
  Index_lex      m_index;
  GammaMatrixSet *m_gmset;

 public:
  Corr2pt_Wilson_SF(GammaMatrixSet *gmset)
    : m_vl(CommonParameters::Vlevel()), m_gmset(gmset) {}

  Corr2pt_Wilson_SF(unique_ptr<GammaMatrixSet>& gmset)
    : m_vl(CommonParameters::Vlevel()), m_gmset(gmset.get()) {}

 private:
  // non-copyable
  Corr2pt_Wilson_SF(const Corr2pt_Wilson_SF&);
  Corr2pt_Wilson_SF& operator=(const Corr2pt_Wilson_SF&);

 public:
  void set_parameter_verboselevel(const Bridge::VerboseLevel vl) { m_vl = vl; }

  double fAfP(
    const std::vector<Field_F>& sq1,
    const std::vector<Field_F>& sq2);

  double meson_corr(
    std::vector<dcomplex>& meson,
    const GammaMatrix& gm_sink,
    const GammaMatrix& gm_src,
    const std::vector<Field_F>& sq1,
    const std::vector<Field_F>& sq2);
};
#endif