inline_rng.h

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// -*- C++ -*-
/*! \file
 * \brief Inline task to read and write RNG seed
 */
 
#ifndef __inline_rng_h__
#define __inline_rng_h__
 
#include "chromabase.h"
#include "meas/inline/abs_inline_measurement.h"
 
namespace Chroma 
{ 
  /*! \ingroup inlineio */
  namespace InlineSetRNGEnv 
  {
    bool registerAll();
 
    //! Parameter structure
    /*! \ingroup inlineio */
    struct Params 
    {
      Params();
      Params(XMLReader& xml_in, const std::string& path);
      void writeXML(XMLWriter& xml_out, const std::string& path);
 
      unsigned long frequency;
 
      QDP::Seed       ran_seed;
    };
 
    //! Set the RNG seed
    /*! \ingroup inlineio */
    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 writing
      void operator()(const unsigned long update_no,
                      XMLWriter& xml_out); 
 
    private:
      Params params;
    };
 
  }
}
 
#endif