rndzNwall_source_const.h

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// -*- C++ -*-
/*! \file
 *  \brief Random Z2 wall source construction
 */
 
#ifndef __rndzNwall_source_const_h__
#define __rndzNwall_source_const_h__
 
#include "meas/sources/source_construction.h"
#include "io/xml_group_reader.h"
 
namespace Chroma
{
 
  //! Name and registration
  /*! @ingroup sources */
  namespace RandZNWallQuarkSourceConstEnv
  {
    bool registerAll();
 
    //! Return the name
    std::string getName();
 
    //! Random ZN wall source parameters
    /*! @ingroup sources */
    struct Params
    {
      Params();
      Params(XMLReader& in, const std::string& path);
      void writeXML(XMLWriter& in, const std::string& path) const;
    
      Seed     ran_seed;             /*!< Set the seed to this value */
 
      int      j_decay;              /*!< decay direction */
      int      t_source;             /*!< source time slice location */
      int      N ;                   /*!< allow arbitrary Z_N */
 
      bool     quark_smear_lastP;    /*!< Flag controlling order of smearing */
      
      GroupXML_t quark_smearing;     /*!< xml std::string holding smearing params */
      GroupXML_t quark_displacement; /*!< displacement xml */
      GroupXML_t link_smearing;      /*!< link smearing xml */
    };
 
  
    //! Random ZN wall source construction
    /*! @ingroup sources
     *
     * Create a random z2 wall source
     */
    template<typename T>
    class SourceConst : public QuarkSourceConstruction<T>
    {
    public:
      //! Full constructor
      SourceConst(const Params& p) : params(p) {}
 
      //! Construct the source
      T operator()(const multi1d<LatticeColorMatrix>& u) const;
 
    private:
      //! Hide partial constructor
      SourceConst() {}
 
    private:
      Params  params;   /*!< source params */
    };
 
  }  // end namespace
 
 
  //! Reader
  /*! @ingroup sources */
  void read(XMLReader& xml, const std::string& path, RandZNWallQuarkSourceConstEnv::Params& param);
 
  //! Writer
  /*! @ingroup sources */
  void write(XMLWriter& xml, const std::string& path, const RandZNWallQuarkSourceConstEnv::Params& param);
 
}  // end namespace Chroma
 
 
#endif