schr_sf_gaugebc.h

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// -*- C++ -*-
/*! @file
 * @brief Schroedinger gauge boundary conditions
 */
 
#ifndef __schr_sf_gaugebc_h__
#define __schr_sf_gaugebc_h__
 
#include "actions/gauge/gaugebcs/schroedinger_gaugebc.h"
 
namespace Chroma
{
 
  //! Abstract class for SOME Schroedinger gauge BC
  /*! @ingroup gaugebc
   *
   *  Schroedinger BC implies periodic in dirs orthog to decay dir, and some
   *  kind of fixed BC in the decay dir.
   */
  class SchrSFGaugeBC : public SchrGaugeBC
  {
  public:
    //! Virtual destructor
    virtual ~SchrSFGaugeBC() {}
 
    //! Decay direction
    virtual int getDir() const = 0;
 
  protected:
    //! Construct the mask and boundary fields
    virtual void initBnd(multi1d<LatticeColorMatrix>& SFBndFld,
                         multi1d<LatticeBoolean>& lSFmask) const;
 
    //! Maximum plaquette size. This is what knows about 1x1 plaq or 1x2 rect.
    /*! \return 1 for 1x1 plaq or 2 for 1x2 rect in decay_dir */
    virtual int getMaxExtent() const = 0;
 
    //! Multiplier on phases
    virtual const Real& SchrPhiMult() const = 0;
 
    //! Structure holding phases
    struct Phases_t
    {
      multi1d<Real> lower;
      multi1d<Real> upper;
    };
 
    //! Get the angles on the boundaries
    virtual const Phases_t& getPhases() const = 0;
  };
 
}
 
 
 
#endif