inline_wilson_flow.h

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// -*- C++ -*-
// inline_reweight_w.h
/*! \file
 * \brief Wilson Flow a configuration
 *
 *  ---More documentation here--- 
 */
 
#ifndef __inline_wilson_flow_h__
#define __inline_wilson_flow_h__
 
#include "chromabase.h"
#include "meas/inline/abs_inline_measurement.h"
 
namespace Chroma 
{ 
  /*! \ingroup inlinehadron */
  namespace InlineWilsonFlowEnv 
  {
 
    bool registerAll();
 
    //! Parameter structure
    /*! \ingroup inlinehadron */ 
    struct Params 
    {
      Params();
      Params(XMLReader& xml_in, const std::string& path);
 
      unsigned long     frequency;
 
      struct Param_t
      {
        int version ;
        int nstep ;
        Real  wtime ;
        int t_dir ; // the time direction of measurements 
        multi1d<bool>  smear_dirs;         /*!< Only allow smearing and staples in these directions */
      } param;
 
      struct NamedObject_t
      {
        std::string     gauge_in;       /*!< Gauge fields */
        std::string     gauge_out;       /*!< Gauge fields */
      } named_obj;
 
      std::string xml_file;  // Alternate XML file pattern
    };
 
 
    //! Inline task for running the gauge Wilson Flow
    /*! \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 InlineWilsonFlowEnv
 
 
} // namespace Chroma
 
#endif