| 116 | 
  | 
    virtual Vector3d getInteratomicVector(int atom1, int atom2) = 0; | 
| 117 | 
  | 
        | 
| 118 | 
  | 
    // atom bookkeeping | 
| 119 | 
< | 
    virtual vector<int> getAtomList() = 0; | 
| 120 | 
< | 
    virtual vector<int> getSkipsForAtom(int atom1) = 0; | 
| 119 | 
> | 
    virtual int getNAtomsInRow() = 0; | 
| 120 | 
> | 
    virtual vector<int> getSkipsForRowAtom(int atom1) = 0; | 
| 121 | 
  | 
    virtual bool skipAtomPair(int atom1, int atom2) = 0; | 
| 122 | 
  | 
    virtual void addForceToAtomRow(int atom1, Vector3d fg) = 0; | 
| 123 | 
  | 
    virtual void addForceToAtomColumn(int atom2, Vector3d fg) = 0; | 
| 131 | 
  | 
    SimInfo* info_;    | 
| 132 | 
  | 
    SnapshotManager* sman_;     | 
| 133 | 
  | 
    Snapshot* snap_; | 
| 134 | 
+ | 
    ForceField* ff_; | 
| 135 | 
  | 
    int storageLayout_; | 
| 136 | 
  | 
    RealType skinThickness_;   /**< Verlet neighbor list skin thickness */     | 
| 137 | 
  | 
 |