inline_bar3ptfn_w.h

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// -*- C++ -*-
/*! \file
 * \brief Inline measurement of bar3ptfn
 *
 * Form-factors
 */
 
#ifndef __inline_bar3ptfn_h__
#define __inline_bar3ptfn_h__
 
#include "chromabase.h"
#include "meas/inline/abs_inline_measurement.h"
 
namespace Chroma 
{ 
  /*! \ingroup inlinehadron */
  namespace InlineBar3ptfnEnv 
  {
    extern const std::string name;
    bool registerAll();
  }
 
 
  //! Parameter structure
  /*! \ingroup inlinehadron */
  struct InlineBar3ptfnParams 
  {
    InlineBar3ptfnParams();
    InlineBar3ptfnParams(XMLReader& xml_in, const std::string& path);
    void write(XMLWriter& xml_out, const std::string& path);
 
    unsigned long      frequency;
 
    struct Param_t
    {
      int              mom2_max;           /*!< (mom)^2 <= mom2_max */
      int              j_decay;
    } param;
 
    struct SeqProp_t
    {
      std::string      seqprop_id;
      int              gamma_insertion;    /*!< second gamma insertion */
    };
 
    struct NamedObject_t
    {
      std::string           gauge_id;
      std::string           prop_id;
      multi1d<SeqProp_t>    seqprops;
      std::string           bar3ptfn_file;
    } named_obj;
  };
 
 
  //! Inline measurement of 3pt functions
  /*! \ingroup inlinehadron */
  class InlineBar3ptfn : public AbsInlineMeasurement 
  {
  public:
    ~InlineBar3ptfn() {}
    InlineBar3ptfn(const InlineBar3ptfnParams& p) : params(p) {}
    InlineBar3ptfn(const InlineBar3ptfn& 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); 
 
  private:
    InlineBar3ptfnParams params;
  };
 
}
 
#endif