stag_fermact_s.h

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// -*- C++ -*-
/*! \file
 *  \brief Staggered fermion action
 */
 
#ifndef __stag_fermact_w_h__
#define __stag_fermact_w_h__
 
#include "stagtype_fermact_s.h"
 
 
namespace Chroma 
{ 
  //! Staggered fermion action
  /*! \ingroup fermacts
   *
   */
  class StagFermAct : public EvenOddStaggeredTypeFermAct<LatticeStaggeredFermion, 
                      multi1d<LatticeColorMatrix>, multi1d<LatticeColorMatrix> >
  {
  public:
    // Typedefs to save typing
    typedef LatticeStaggeredFermion      T;
    typedef multi1d<LatticeColorMatrix>  P;
    typedef multi1d<LatticeColorMatrix>  Q;
 
    //! General FermBC
    StagFermAct(Handle< FermBC<T,P,Q> > fbc_, 
                const Real& Mass_) : 
      fbc(fbc_), Mass(Mass_) {}
 
    //! Copy constructor
    StagFermAct(const StagFermAct& a) : 
      fbc(a.fbc), Mass(a.Mass) {}
 
    //! Assignment
    StagFermAct& operator=(const StagFermAct& a)
      {fbc=a.fbc; Mass=a.Mass; return *this;}
 
    //! Return the quark mass
    const Real getQuarkMass() const {return Mass;}
 
    //! Produce a linear operator for this action
    EvenOddLinearOperator<T,P,Q>* linOp(Handle< FermState<T,P,Q> > state) const;
 
    //! Produce a linear operator M^dag.M for this action
    DiffLinearOperator<T,P,Q>* lMdagM(Handle< FermState<T,P,Q> > state) const;
 
    //! Destructor is automatic
    ~StagFermAct() {}
 
  protected:
    //! Return the fermion BC object for this action
    const CreateFermState<T,P,Q>& getCreateState() const {return *cfs;}
 
  private:
    StagFermAct() {} //hide default constructor
  
  private:
    Handle< FermBC<T,P,Q> >  fbc;
    Real Mass;
  };
 
} // End Namespace Chroma
 
 
#endif