int create_lattice(t_moldyn *moldyn,u8 type,double lc,int element,
u8 attr,u8 brand,int a,int b,int c,t_3dvec *origin,
- t_part_params *p_params,t_defect_params *d_params);
+ t_part_params *p_params,t_defect_params *d_params,
+ t_offset_params *o_params);
int add_atom(t_moldyn *moldyn,int element,u8 brand,u8 attr,
t_3dvec *r,t_3dvec *v);
int del_atom(t_moldyn *moldyn,int tag);
int pair_correlation_init(t_moldyn *moldyn,double dr);
int calculate_diffusion_coefficient(t_moldyn *moldyn,double *dc);
+int calculate_msd(t_moldyn *moldyn,double *msd);
int calculate_pair_correlation_process(t_moldyn *moldyn,t_atom *itom,
t_atom *jtom,void *data,u8 bc);
int calculate_pair_correlation(t_moldyn *moldyn,double dr,void *ptr);