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src/biu/LatticeDescriptorCUB.hh

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#ifndef LATTICEDESCRIPTORCUB_HH_
#define LATTICEDESCRIPTORCUB_HH_


#include "LatticeDescriptor.hh"
#include <cstdlib>

namespace biu
{

    class LatticeDescriptorCUB : public LatticeDescriptor
    {
    protected:

            // abstract function implementation
        virtual unsigned int getNeighborDataSize() const;
        virtual const NeighborData *getNeighborData() const;
        virtual unsigned int getAutomorphismDataSize() const;
        virtual const AutomorphismData *getAutomorphismData() const;
    public:
    
        LatticeDescriptorCUB();
        LatticeDescriptorCUB(const LatticeDescriptorCUB& toCopy);
        virtual ~LatticeDescriptorCUB();
        virtual bool areNeighbored( const IntPoint &first, 
                                    const IntPoint &second ) const;
    };

}


namespace biu
{
    class LatticeNeighborhoodCUB : public LatticeNeighborhood
    {
    public:
        LatticeNeighborhoodCUB( const MoveAlphabet* moveAlph, 
                                const NeighSet& neighbors)
         :  LatticeNeighborhood(moveAlph, neighbors) 
        {
        }
        
        LatticeNeighborhoodCUB( const LatticeNeighborhood& nh ) 
        :   LatticeNeighborhood( nh )
        {
        }
        
                                
        virtual ~LatticeNeighborhoodCUB()
        {}
        virtual bool isElement( const IntPoint& v) const {
            int sum = abs(v.getX());
            return  sum < 2 
                    && (sum+=abs(v.getY())) < 2 
                    && (sum+=abs(v.getZ())) == 1;
/*
            return (v.getX()* v.getX() + v.getY()*v.getY() + v.getZ()*v.getZ()) 
                    == 1;
            return (abs( v.getX() + v.getY() + v.getZ() ) == 1) && 
            ((abs(v.getX()) == 1 && v.getY() == 0 && v.getZ() == 0) ||
            (v.getX() == 0 && 
                ((abs(v.getY()) == 1 && v.getZ() == 0) ||
                 (v.getY() == 0 && abs(v.getZ()) == 1))) 
            );
*/
        }
    };

} // namespace biu


#endif /*LATTICEDESCRIPTORCUB_HH_*/