time_slice_set.h

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// -*- C++ -*-
/*! \file
 *  \brief Convenience for building time-slice subsets
 */
 
#ifndef __time_slice_set_h__
#define __time_slice_set_h__
 
#include "chromabase.h"
 
namespace Chroma 
{
 
  //! Builds time slice subsets
  /*!
   * \ingroup ft
   */
  class TimeSliceSet
  {
  public:
    //! Constructor about origin
    TimeSliceSet(int decay_dir);
    
    //! The set to be used in sumMulti
    const Set& getSet() const {return sft_set;}
 
    //! Number of subsets - length in decay direction
    int numSubsets() const {return sft_set.numSubsets();}
 
    //! Number of sites in each subset
    int numSites() const;
 
    //! Decay direction
    int getDir() const {return decay_dir;}
 
  private:
    TimeSliceSet() {} // hide default constructor
 
    int  decay_dir;
    Set  sft_set;
  };
 
}  // end namespace Chroma
 
#endif