22 |
|
const int maxIteration = 300; |
23 |
|
const double tol = 1.0e-6; |
24 |
|
|
25 |
+ |
class VelVerletConsFramework; |
26 |
|
template<typename T = BaseIntegrator> class Integrator : public T { |
27 |
|
|
28 |
|
public: |
35 |
|
protected: |
36 |
|
|
37 |
|
virtual void integrateStep( int calcPot, int calcStress ); |
38 |
< |
virtual void preMove( void ); |
38 |
> |
//virtual void preMove( void ); |
39 |
|
virtual void moveA( void ); |
40 |
|
virtual void moveB( void ); |
41 |
< |
virtual void constrainA( void ); |
42 |
< |
virtual void constrainB( void ); |
41 |
> |
//virtual void constrainA( void ); |
42 |
> |
//virtual void constrainB( void ); |
43 |
|
virtual int readyCheck( void ) { return 1; } |
44 |
|
|
45 |
|
virtual void resetIntegrator( void ) { } |
51 |
|
|
52 |
|
virtual void rotationPropagation( StuntDouble* sd, double ji[3] ); |
53 |
|
|
54 |
< |
void checkConstraints( void ); |
54 |
> |
//void checkConstraints( void ); |
55 |
|
void rotate( int axes1, int axes2, double angle, double j[3], |
56 |
|
double A[3][3] ); |
57 |
|
|
65 |
|
Molecule* molecules; |
66 |
|
int nMols; |
67 |
|
|
68 |
< |
int isConstrained; // boolean to know whether the systems contains |
68 |
< |
// constraints. |
69 |
< |
int nConstrained; // counter for number of constraints |
70 |
< |
int *constrainedA; // the i of a constraint pair |
71 |
< |
int *constrainedB; // the j of a constraint pair |
72 |
< |
double *constrainedDsqr; // the square of the constraint distance |
68 |
> |
VelVerletConsFramework* consFramework; |
69 |
|
|
70 |
< |
int* moving; // tells whether we are moving atom i |
71 |
< |
int* moved; // tells whether we have moved atom i |
72 |
< |
double* oldPos; // pre constrained positions |
70 |
> |
//int isConstrained; // boolean to know whether the systems contains constraints. |
71 |
> |
//int nConstrained; // counter for number of constraints |
72 |
> |
//int *constrainedA; // the i of a constraint pair |
73 |
> |
//int *constrainedB; // the j of a constraint pair |
74 |
> |
//double *constrainedDsqr; // the square of the constraint distance |
75 |
|
|
76 |
+ |
//int* moving; // tells whether we are moving atom i |
77 |
+ |
//int* moved; // tells whether we have moved atom i |
78 |
+ |
//double* oldPos; // pre constrained positions |
79 |
+ |
|
80 |
|
short isFirst; /*boolean for the first time integrate is called */ |
81 |
|
|
82 |
|
double dt; |
91 |
|
typedef Integrator<BaseIntegrator> RealIntegrator; |
92 |
|
|
93 |
|
// ansi instantiation |
94 |
< |
template class Integrator<BaseIntegrator>; |
94 |
> |
// template class Integrator<BaseIntegrator>; |
95 |
|
|
96 |
+ |
|
97 |
|
template<typename T> class NVE : public T { |
98 |
|
|
99 |
|
public: |
493 |
|
|
494 |
|
}; |
495 |
|
|
496 |
+ |
|
497 |
+ |
//Sympletic quaternion Scheme Integrator |
498 |
+ |
//Reference: |
499 |
+ |
// T.F. Miller, M. Eleftheriou, P. Pattnaik, A. Ndirango, D. Newns and G.J. Martyna |
500 |
+ |
//Symplectic quaternion Scheme for biophysical molecular dynamics |
501 |
+ |
//116(20), 8649, J. Chem. Phys. (2002) |
502 |
+ |
template<typename T> class SQSIntegrator : public T{ |
503 |
+ |
public: |
504 |
+ |
virtual void moveA(); |
505 |
+ |
virtual void moveB(); |
506 |
+ |
protected: |
507 |
+ |
void freeRotor(); |
508 |
+ |
void rotate(int k, double dt); |
509 |
+ |
|
510 |
+ |
}; |
511 |
|
#endif |