G4VDNAMesh.hh

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#ifndef G4VDNAMesh_hh
#define G4VDNAMesh_hh 1
 
#include "globals.hh"
 
class G4VDNAMesh
{
 public:
  G4VDNAMesh()          = default;
  virtual ~G4VDNAMesh() = default;
  struct Index
  {
    Index() = default;
    Index(G4int _x, G4int _y, G4int _z)
      : x(_x)
        , y(_y)
        , z(_z)
    {}
    ~Index() = default;
    G4bool operator==(const Index& rhs) const
    {
      return x == rhs.x && y == rhs.y && z == rhs.z;
    }
    G4bool operator!=(const Index& rhs) const
    {
      return x != rhs.x || y != rhs.y || z != rhs.z;
    }
    G4bool operator<(const Index& rhs) const
    {
      if(x != rhs.x)
      {
        return x < rhs.x;
      }
      else if(y != rhs.y)
      {
        return y < rhs.y;
      }
      else if(z != rhs.z)
      {
        return z < rhs.z;
      }
      else
      {
        return false;
      }
    }
    friend std::ostream& operator<<(std::ostream& s, const Index& rhs);
    G4int x = 0;
    G4int y = 0;
    G4int z = 0;
  };
  struct hashFunc
  {
    size_t operator()(const Index& k) const
    {
      size_t h1 = std::hash<G4int>()(k.x);
      size_t h2 = std::hash<G4int>()(k.y);
      size_t h3 = std::hash<G4int>()(k.z);
      return (h1 ^ (h2 << 1)) ^ h3;
    }
  };
};
#endif