hb_params.h

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// -*- C++ -*-
 
/*! \file
 * \brief Parameters for heat-bath
 */
 
#ifndef HB_PARAMS_H
#define HB_PARAMS_H
 
namespace Chroma 
{
 
  //! Heat-bath params
  /*! \ingroup heatbath */
  struct HBParams 
  {
    int nmax() const { return NmaxHB; }
    Double beta() const { return BetaMC; }
    Double xi() const { return xi_0; }
    Double xi2() const { return xi_0*xi_0; }
    bool aniso() const {return anisoP; }
 
    /**************************************************
     * number of maximum HB tries for Creutz or KP a_0, 
     * negative or zero value - update every single link
     * (try infinitely long)
     **************************************************/
    int NmaxHB;
    // MC SU(N) Beta
    Double BetaMC;
    //the bare anisotropy
    Double xi_0;
    int  t_dir;
    int  nOver;
    bool anisoP;
  };
 
  
  //! Reader
  void read(XMLReader& xml, const std::string& path, HBParams& p);
 
  //! Writer
  void write(XMLWriter& xml, const std::string& path, const HBParams& p);
 
}  // end namespace Chroma
 
#endif