| 1 | mmeineke | 377 | #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 | mmeineke | 424 | double get_dsqr()          {return dsqr;} | 
| 20 | mmeineke | 377 | 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 Integrator{ | 
| 49 |  |  |  | 
| 50 |  |  | public: | 
| 51 |  |  | Integrator(){} | 
| 52 |  |  | virtual ~Integrator(){} | 
| 53 |  |  |  | 
| 54 |  |  | virtual void integrate( void ) = 0; | 
| 55 |  |  | }; | 
| 56 |  |  |  | 
| 57 |  |  |  | 
| 58 |  |  | #endif |