inline_qqbar_w.h

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// -*- C++ -*-
/*! \file
 * \brief Inline construction of qqbar
 *
 * QQbar calcs
 */
 
#ifndef __inline_qqbar_h__
#define __inline_qqbar_h__
 
#include "chromabase.h"
#include "meas/inline/abs_inline_measurement.h"
#include "io/qprop_io.h"
 
namespace Chroma 
{ 
  /*! \ingroup inlinehadron */
  namespace InlineQQbarEnv 
  {
    extern const std::string name;
    bool registerAll();
  }
 
  //! Parameter structure
  /*! \ingroup inlinehadron */
  struct InlineQQbarParams 
  {
    InlineQQbarParams();
    InlineQQbarParams(XMLReader& xml_in, const std::string& path);
    void write(XMLWriter& xml_out, const std::string& path);
 
    unsigned long      frequency;
 
    struct Param_t
    {
      bool             Dirac_basis;     /*!< Use the Dirac basis for output? */
    } param;
 
    struct NamedObject_t
    {
      std::string           gauge_id;        /*!< Input gauge field */
      multi1d<std::string>  prop_ids;        /*!< Input sink smeared propagators */
      std::string           qqbar_file;      /*!< qqbar output file */
    } named_obj;
  };
 
 
  //! Inline measurement of quark-antiquark 2-pt correlators
  /*! \ingroup inlinehadron */
  class InlineQQbar : public AbsInlineMeasurement 
  {
  public:
    ~InlineQQbar() {}
    InlineQQbar(const InlineQQbarParams& p) : params(p) {}
    InlineQQbar(const InlineQQbar& 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:
    InlineQQbarParams params;
  };
 
}
 
#endif