field_F_1spinor.h

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#ifndef FIELD_F_1sp_INCLUDED
#define FIELD_F_1sp_INCLUDED

#include "commonParameters.h"
#include "communicator.h"
#include "field.h"
#include "vec_SU_N.h"
using namespace SU_N;


class Field_F_1spinor : public Field
{
 private:
  int m_Nc;   // num of the color elements
  int m_Nc2;  // num of the double color elements

  inline
  int myindex(const int c2, const int site, const int ex) const
  {
    return Field::myindex(c2, site, ex);
  }

 public:

  explicit
  Field_F_1spinor(const int Nvol = CommonParameters::Nvol(), const int Nex = 1) :
    Field(2 * CommonParameters::Nc(), Nvol, Nex),
    m_Nc(CommonParameters::Nc()),
    m_Nc2(2 * CommonParameters::Nc())
  {
  }

  // conversion from Field
  Field_F_1spinor(const Field& x) :
    Field(x),
    m_Nc(CommonParameters::Nc()),
    m_Nc2(2 * CommonParameters::Nc())
  {
  }

  // assignment
  Field_F_1spinor& operator=(const double a) { field = a; return *this; }

  // accessor
  double cmp_r(const int cc, const int site, const int e = 0) const
  {
    return field[myindex(2 * cc, site, e)];
  }

  double cmp_i(const int cc, const int site, const int e = 0) const
  {
    return field[myindex(2 * cc + 1, site, e)];
  }

  void set_r(const int cc, const int site, const int e, const double re)
  {
    field[myindex(2 * cc, site, e)] = re;
  }

  void set_i(const int cc, const int site, const int e, const double im)
  {
    field[myindex(2 * cc + 1, site, e)] = im;
  }

  void set_ri(const int cc, const int site, const int e, const double re, const double im)
  {
    field[myindex(2 * cc, site, e)]     = re;
    field[myindex(2 * cc + 1, site, e)] = im;
  }

  Vec_SU_N vec(const int site, const int e = 0) const
  {
    Vec_SU_N Tmp;

    for (int cc = 0; cc < m_Nc; ++cc) {
      Tmp.set(cc,
              field[myindex(2 * cc, site, e)],
              field[myindex(2 * cc + 1, site, e)]);
    }
    return Tmp;
  }

  void set_vec(const int site, const int e, const Vec_SU_N& F)
  {
    for (int cc = 0; cc < m_Nc; ++cc) {
      field[myindex(2 * cc, site, e)]     = F.r(cc);
      field[myindex(2 * cc + 1, site, e)] = F.i(cc);
    }
  }

  void add_vec(const int site, const int e, const Vec_SU_N& F)
  {
    for (int cc = 0; cc < m_Nc; ++cc) {
      field[myindex(2 * cc, site, e)]     += F.r(cc);
      field[myindex(2 * cc + 1, site, e)] += F.i(cc);
    }
  }

  void clear_vec(const int site, const int e)
  {
    for (int cc = 0; cc < m_Nc2; ++cc) {
      field[myindex(cc, site, e)] = 0.0;
    }
  }
};

#endif