inline_stoch_group_meson_w.h

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// -*- C++ -*-
/*! \file
 * \brief Inline measurement of stochastic group meson operators
 */
 
#ifndef __inline_stoch_group_meson_h__
#define __inline_stoch_group_meson_h__
 
#include "meas/inline/abs_inline_measurement.h"
#include "io/xml_group_reader.h"
#include "io/enum_io/enum_mesonop_io.h"
 
namespace Chroma 
{ 
  /*! \ingroup inlinehadron */
  namespace InlineStochGroupMesonEnv 
  {
    extern const std::string name;
    bool registerAll();
 
 
    //! Parameter structure
    /*! \ingroup inlinehadron */
    struct Params
    {
      Params();
      Params(XMLReader& xml_in, const std::string& path);
      void writeXML(XMLWriter& xml_out, const std::string& path);
 
      unsigned long      frequency;
 
      struct Param_t
      {
        MesonOpType         creat_op_contract_type; /*<! Contraction type for creation op */
        MesonOpType         annih_op_contract_type; /*<! Contraction type for annihilation op */
        int                 mom2_max;               /*!< (mom)^2 <= mom2_max */
        int                 displacement_length;    /*!< Displacement length for creat. and annih. ops */
        GroupXML_t          quark_smearing;         /*!< xml std::string holding smearing params */
        GroupXML_t          link_smearing;          /*!< link smearing xml */
 
        multi1d<GroupXML_t> quark_dils;             /*!< Dilutions for each quark */
      };
 
      struct NamedObject_t
      {
        struct TwoQuarkOpsFile_t
        {
          std::string        ops_file;       /*!< Coefficient file name */
          std::string        id;             /*!< ID/tag used in analysis codes*/
        };
 
        TwoQuarkOpsFile_t    operators_file; /*!< Files holding 2-quark ops to make*/
        std::string          quark_ids;      /*!< 2 character std::string indicating which quarks are degenerate */
        std::string          gauge_id;       /*!< Gauge field */
      };
 
      Param_t        param;      /*!< Parameters */    
      NamedObject_t  named_obj;  /*!< Named objects */
      std::string    xml_file;   /*!< Alternate XML file pattern */
    };
 
 
    //! Inline measurement of stochastic group meson operators
    /*! \ingroup inlinehadron */
    class InlineMeas : public AbsInlineMeasurement 
    {
    public:
      ~InlineMeas() {}
      InlineMeas(const Params& p) : params(p) {}
      InlineMeas(const InlineMeas& p) : params(p.params) {}
 
      unsigned long getFrequency(void) const {return params.frequency;}
 
      //! Do the measurement
      void operator()(const unsigned long update_no,
                      XMLWriter& xml_out); 
 
    protected:
      //! Do the measurement
      void func(const unsigned long update_no,
                XMLWriter& xml_out); 
 
    private:
      Params params;
    };
 
  } // namespace InlineStochGroupMesonEnv 
}
 
#endif