| 53 | // Forward declaration of friend functions and operators |
| 54 | |
| 55 | class cellModel; |
| 56 | inline bool operator==(const cellModel&, const cellModel&); |
| 57 | inline bool operator!=(const cellModel&, const cellModel&); |
| 58 | Ostream& operator<<(Ostream&, const cellModel&); |