d2toindex.h

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#ifndef D2TOINDEX_H
#define D2TOINDEX_H

#include <cassert>
using namespace std;


#include <boxcollision.h>
#include <graphmisc.h>
#include <particle.h>
#include <typedefs.h>

//  <TODO>
//  Test the time difference between
//  inlining the index(uintc i) const
//    and getsurroundingcells(...) code in cpp file.


class d2toindex
{

  double xleninv;
  double yleninv;
public:

  particle const * pi;

  boxcollision const & box;

  uint * nb;

  uint W;

  d2toindex
  (
    boxcollision const & box_
  );

  d2toindex
  (
    particle const * pi_,
    boxcollision const & box_
  );


  ~d2toindex();
  
  void reset();

  intc index(uintc i) const;

  void getsurroundingcells
  (
    uint * & nb_,
    uint & sz,
    uintc k
  );

};




#endif