unprec_w12_fermact_w.h

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// -*- C++ -*-
/*! \file
 *  \brief Unpreconditioned W12 fermion action
 */
 
#ifndef __unprec_w12_fermact_w_h__
#define __unprec_w12_fermact_w_h__
 
#include "unprec_wilstype_fermact_w.h"
#include "actions/ferm/linop/lgherm_w.h"
#include "io/aniso_io.h"
#include "actions/ferm/fermacts/clover_fermact_params_w.h"
 
 
namespace Chroma
{
  //! Name and registration
  namespace UnprecW12FermActEnv
  {
    extern const std::string name;
    bool registerAll();
  }
 
 
  //! Unpreconditioned W12 fermion action
  /*! \ingroup fermacts
   *
   * Supports creation and application for fermion actions
   */
  class UnprecW12FermAct : public UnprecWilsonTypeFermAct<LatticeFermion, 
                           multi1d<LatticeColorMatrix>, multi1d<LatticeColorMatrix> >
  {
  public:
    // Typedefs to save typing
    typedef LatticeFermion               T;
    typedef multi1d<LatticeColorMatrix>  P;
    typedef multi1d<LatticeColorMatrix>  Q;
 
    //! General FermBC
    UnprecW12FermAct(Handle< CreateFermState<T,P,Q> > cfs_, 
                     const CloverFermActParams& param_) : 
      cfs(cfs_), param(param_) {}
 
    //! Copy constructor
    UnprecW12FermAct(const UnprecW12FermAct& a) : 
      cfs(a.cfs), param(a.param) {}
 
    //! Produce a linear operator for this action
    UnprecLinearOperator<T,P,Q>* linOp(Handle< FermState<T,P,Q> > state) const;
 
    //! Produce the gamma_5 hermitian operator H_w
    LinearOperator<T>* hermitianLinOp(Handle< FermState<T,P,Q> > state) const 
      { 
        return new lgherm<T>(linOp(state));
      }
 
    //! Destructor is automatic
    ~UnprecW12FermAct() {}
 
  protected:
    //! Return the fermion create state for this action
    const CreateFermState<T,P,Q>& getCreateState() const {return *cfs;}
 
  private:
    UnprecW12FermAct() {} //hide default constructor
    void operator=(const UnprecW12FermAct& a) {} // Hide =
  
  private:
    Handle< CreateFermState<T,P,Q> >  cfs;
    CloverFermActParams param;
  };
 
}
 
#endif