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ModuleId.h

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// $Id: ModuleId.h,v 1.4 2001/03/20 21:41:03 burnett Exp $

#ifndef GLAST_MODULEID_H
#define GLAST_MODULEID_H 1

namespace idents {

class ModuleId
{
  public:

      enum {xNum=4, yNum=4}; // not likely to change again

      ModuleId (unsigned int id = 0):m_id(id){}

      ModuleId (unsigned int ix, unsigned int iy):m_id(ix-1+xNum*(iy-1)){}

      int ix () const {return (m_id % xNum)+1;}

      int iy () const {return (m_id / xNum)+1;}

      bool neighbor (const ModuleId& n){
          int dx = ix()-n.ix(), dy=iy()-n.iy();
          return dx<2 && dx>-2 && dy<2 && dy>-2; 
      }

      operator unsigned int () const { return m_id; }

private:
      unsigned int m_id;
};

} //namespace idents
#endif

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