eoprec_clover_extfield_fermact_w.h

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// -*- C++ -*-
/*! \file
 *  \brief Even-odd preconditioned Clover fermion action with an external field
 */
 
#ifndef __prec_clover_extfield_fermact_w_h__
#define __prec_clover_extfield_fermact_w_h__
 
#include "eoprec_logdet_wilstype_fermact_w.h"
#include "actions/ferm/linop/lgherm_w.h"
#include "actions/ferm/fermacts/clover_fermact_params_w.h"
 
namespace Chroma 
{ 
  //! Name and registration
  /*! \ingroup fermacts */
  namespace EvenOddPrecCloverExtFieldFermActEnv
  {
    extern const std::string name;
    bool registerAll();
  }
  
 
  //! Even-odd preconditioned Clover fermion action with an external field
  /*! \ingroup fermacts
   *
   * Even-odd preconditioned clover fermion action with an external field
   * Only defined on odd subset.
   */
 
  class EvenOddPrecCloverExtFieldFermAct : public EvenOddPrecLogDetWilsonTypeFermAct<LatticeFermion, 
                                   multi1d<LatticeColorMatrix>, multi1d<LatticeColorMatrix> >
  {
  public:
    // Typedefs to save typing
    typedef LatticeFermion               T;
    typedef multi1d<LatticeColorMatrix>  P;
    typedef multi1d<LatticeColorMatrix>  Q;
 
    //! General FermState
    EvenOddPrecCloverExtFieldFermAct(Handle< CreateFermState<T,P,Q> > cfs_, 
                                     const CloverFermActParams& param_) :
      cfs(cfs_), param(param_) {}
 
    //! Produce a linear operator for this action
    EvenOddPrecLogDetLinearOperator<T,P,Q>* linOp(Handle< FermState<T,P,Q> > state) const;
 
    //! Produce the gamma_5 hermitian operator H_w
    LinearOperator<LatticeFermion>* hermitianLinOp(Handle< FermState<T,P,Q> > state) const 
      { 
        return new lgherm<LatticeFermion>(linOp(state));
      }
 
    //! Destructor is automatic
    ~EvenOddPrecCloverExtFieldFermAct() {}
 
  protected:
    //! Hide Partial constructor
    EvenOddPrecCloverExtFieldFermAct() {}
 
    //! Return the fermion BC object for this action
    const CreateFermState<T,P,Q>& getCreateState() const {return *cfs;}
 
    //! Assignment
    void operator=(const EvenOddPrecCloverExtFieldFermAct& a) {}
 
  private:
    Handle< CreateFermState<T,P,Q> >  cfs;
    CloverFermActParams param;
  };
 
} // End Namespace Chroma
 
 
#endif