stoch_cond_cont_w.h

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// -*- C++ -*-
/*! \file
 * \brief Stoch quark condensates
 *
 * Stoch quark condensates via the hadron contraction interface.
 * This code is using the Hadron2PtCorr interface because the
 * condensates are projected onto a fixed 3-space momentum. Thus,
 * they are time-slice dependent and similar then to the 2-pt
 * correlators. However, the origin is not an issue like that in 
 * the 2pt corrs., so that part can be avoided.
 */
 
#ifndef __stoch_cond_cont_w_h__
#define __stoch_cond_cont_w_h__
 
#include "meas/hadron/hadron_2pt.h"
 
namespace Chroma 
{ 
  //! Stochastic quark condensates
  /*! \ingroup hadron */
  namespace StochCondContEnv 
  {
    bool registerAll();
 
 
    //! Parameter structure
    /*! \ingroup hadron */
    struct Params 
    {
      Params();
      Params(XMLReader& xml_in, const std::string& path);
      void writeXML(XMLWriter& xml_out, const std::string& path) const;
 
      int           mom2_max;           /*!< (mom)^2 <= mom2_max */
      multi1d<int>  mom_origin;         /*!< Origin for the momentum */
      bool          avg_equiv_mom;      /*!< average over equivalent momenta */
 
      multi1d<std::string> soln_files;  /*!< Stochastic quark prop solutions */
    };
 
 
    //! Stochastic quark condensates
    /*! \ingroup hadron */
    class StochCondCont : public Hadron2PtCorr
    {
    public:
      //! Full constructor
      StochCondCont(const Params& p) : params(p) {}
 
      //! Default destructor
      ~StochCondCont() {}
      
      //! Construct the correlators
      std::list< Handle<HadronContractResult_t> > operator()(const multi1d<LatticeColorMatrix>& u,
                                                             const std::string& xml_group,
                                                             const std::string& id_tag);
 
    private:
      Params params;
    };
 
  } // namespace StochCondContEnv
 
 
  //! Reader
  /*! @ingroup hadron */
  void read(XMLReader& xml, const std::string& path, StochCondContEnv::Params& param);
 
  //! Writer
  /*! @ingroup hadron */
  void write(XMLWriter& xml, const std::string& path, const StochCondContEnv::Params& param);
 
 
} // namespace Chroma
 
#endif