| 1 | #ifndef _ABSTRACT_CLASSES_H_ | 
| 2 | #define _ABSTRACT_CLASSES_H_ | 
| 3 |  | 
| 4 | #include "Atom.hpp" | 
| 5 | #ifdef IS_MPI | 
| 6 |  | 
| 7 | #include "mpi.h" | 
| 8 | #endif | 
| 9 | class Constraint{ | 
| 10 |  | 
| 11 | public: | 
| 12 | Constraint(){} | 
| 13 | ~Constraint(){} | 
| 14 |  | 
| 15 | int    get_a()             {return a;} | 
| 16 | void   set_a(int index)    {a = index;} | 
| 17 | int    get_b()             {return b;} | 
| 18 | void   set_b(int index)    {b = index;} | 
| 19 | double get_dsqr()          {return dsqr;} | 
| 20 | void   set_dsqr(double ds) {dsqr = ds;} | 
| 21 |  | 
| 22 | private: | 
| 23 | int a; /* index of constrained atom a */ | 
| 24 | int b; /* index of constrained atom b */ | 
| 25 | double dsqr; /* the square of the constraint distance */ | 
| 26 | }; | 
| 27 |  | 
| 28 | class SRI{ | 
| 29 |  | 
| 30 | public: | 
| 31 | SRI(){ c_potential_E = 0.0; } | 
| 32 | virtual ~SRI() {} | 
| 33 |  | 
| 34 | virtual void calc_forces() = 0; | 
| 35 |  | 
| 36 | double get_potential(){ return c_potential_E; } | 
| 37 | virtual int is_constrained() = 0; | 
| 38 | virtual Constraint *get_constraint() = 0; | 
| 39 | virtual void constrain(double bond_distance) = 0; | 
| 40 |  | 
| 41 | virtual void printMe( void ) = 0; | 
| 42 |  | 
| 43 | protected: | 
| 44 | double c_potential_E; | 
| 45 | }; | 
| 46 |  | 
| 47 |  | 
| 48 | class BaseIntegrator{ | 
| 49 |  | 
| 50 | public: | 
| 51 | BaseIntegrator(){} | 
| 52 | virtual ~BaseIntegrator(){} | 
| 53 |  | 
| 54 | virtual void integrate( void ) = 0; | 
| 55 | virtual double  getConservedQuantity(void) = 0; | 
| 56 | }; | 
| 57 |  | 
| 58 | #endif |