index_lex.h

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#ifndef INDEX_LEX_INCLUDED
#define INDEX_LEX_INCLUDED

#include "commonParameters.h"


class Index_lex {
 protected:
  int m_Nx, m_Ny, m_Nz, m_Nt;

 public:
  Index_lex() :
    m_Nx(CommonParameters::Nx()),
    m_Ny(CommonParameters::Ny()),
    m_Nz(CommonParameters::Nz()),
    m_Nt(CommonParameters::Nt()) { }

  Index_lex(int Nx, int Ny, int Nz, int Nt)
  {
    m_Nx = Nx;
    m_Ny = Ny;
    m_Nz = Nz;
    m_Nt = Nt;
  }

  int site(const int& x, const int& y, const int& z, const int& t)
  const
  {
    return m_Nx * (m_Ny * (m_Nz * t + z) + y) + x;
  }
};
#endif