inline_prop_matelem_colorvec_w.h

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// -*- C++ -*-
/*! \file
 * \brief Compute the matrix element of  LatticeColorVector*M^-1*LatticeColorVector
 *
 * Propagator calculation on a colorstd::vector
 */
 
#ifndef __inline_prop_matelem_colorvec_w_h__
#define __inline_prop_matelem_colorvec_w_h__
 
#include "chromabase.h"
#include "meas/inline/abs_inline_measurement.h"
#include "io/qprop_io.h"
 
namespace Chroma 
{ 
  /*! \ingroup inlinehadron */
  namespace InlinePropMatElemColorVecEnv 
  {
    bool registerAll();
 
    //! Parameter structure
    /*! \ingroup inlinehadron */ 
    struct Params 
    {
      Params();
      Params(XMLReader& xml_in, const std::string& path);
 
      unsigned long     frequency;
 
      struct Param_t
      {
        int             num_vecs;       /*!< Number of color vectors to use */
        int             decay_dir;      /*!< Decay direction */
        multi1d<int>    t_sources;      /*!< Array of time slice sources for props */
        std::string     mass_label;     /*!< Some kind of mass label */
      } param;
 
      struct NamedObject_t
      {
        std::string     gauge_id;       /*!< Gauge field */
        std::string     colorvec_id;    /*!< LatticeColorVector EigenInfo */
        std::string     prop_id;        /*!< Id for input propagator solutions */
        std::string     prop_op_file;   /*!< File name for propagator matrix elements */
      } named_obj;
 
      std::string xml_file;  // Alternate XML file pattern
    };
 
 
    //! Inline task for compute LatticeColorVector matrix elements of a propagator
    /*! \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 PropMatElemColorVec
 
}
 
#endif