X-Git-Url: https://www.hackdaworld.org/gitweb/?a=blobdiff_plain;f=moldyn.h;h=717388abf58e080dd0ceab4539ee4fbbf3dc295d;hb=06912ca45b46de412570a4bd5b5484aa9e8d6e6b;hp=c6712ba41d1508fb8e359b627c71082e1307567a;hpb=0d71b08d4382b23b8217342caf138cfce36226cc;p=physik%2Fposic.git diff --git a/moldyn.h b/moldyn.h index c6712ba..717388a 100644 --- a/moldyn.h +++ b/moldyn.h @@ -39,60 +39,73 @@ typedef struct s_linkcell { double x,y,z; /* the actual cell lengthes */ t_list *subcell; /* pointer to the cell lists */ int dnlc; /* direct neighbour lists counter */ + int countn; /* amount of neighbours */ } t_linkcell; #include "visual/visual.h" -# moldyn properties structure */ +# moldyn structure */ typedef struct s_moldyn { int count; /* total amount of atoms */ t_atom *atom; /* pointer to the atoms */ + t_3dvec dim; /* dimensions of the simulation volume */ - /* potential, force & parameters */ - /* potential force funtion created by the user */ - int (*potential_force_function)(struct s_moldyn *moldyn); + /* potential force function pointer and parameters */ + int (*pf_func1b)(struct s_moldyn *,t_atom *); + int (*pf_func2b)(struct s_moldyn *,t_atom *,t_atom *); + int (*pf_func3b)(struct s_moldyn *,t_atom *,t_atom *,t_atom *); + //int (*potential_force_function)(struct s_moldyn *moldyn); void *pot_params; /* parameters describing the potential */ - double cutoff; - double cutoff_square; - /* linked list / cell method */ - t_linkcell lc; - /* temperature */ - double t; - /* integration of newtons equations */ + double cutoff; /* cutoff radius */ + double cutoff_square; /* square of the cutoff radius */ + + t_linkcell lc; /* linked cell method */ + + double t; /* temperature */ + + /* integration function pointer */ int (*integrate)(struct s_moldyn *moldyn); - int time_steps; - double tau; - double tau_square; - /* energy */ - double energy; - /* logging & visualization */ - t_visual vis; - unsigned char lvstat; - unsigned int ewrite; - char efb[64]; - int efd; - unsigned int mwrite; - char mfb[64]; - int mfd; - unsigned int swrite; - char sfb[64]; - int sfd; - unsigned int dwrite; - char dfb[64]; - int dfd; - unsigned int vwrite; - char vfb[64]; - void *visual; - /* moldyn general status */ - unsigned char status; - /* random */ - t_random random; + int time_steps; /* amount of iterations */ + double tau; /* delta t */ + double tau_square; /* delta t squared */ + + double energy; /* energy */ + + t_visual vis; /* visualization/log/save interface structure */ + unsigned char lvstat; /* log & vis properties */ + unsigned int ewrite; /* how often to log energy */ + char efb[64]; /* energy log filename */ + int efd; /* fd for energy log */ + unsigned int mwrite; /* how often to log momentum */ + char mfb[64]; /* momentum log filename */ + int mfd; /* fd for momentum log */ + unsigned int vwrite; /* how often to visualize atom information */ + char vfb[64]; /* visualization file name base */ + void *visual; /* pointer (hack!) */ + unsigned int swrite; /* how often to create a save file */ + + unsigned char status; /* general moldyn properties */ + + t_random random; /* random interface */ } t_moldyn; +#define MOLDYN_LVSTAT_TOTAL_E 0x01 +#define MOLDYN_LVSTAT_TOTAL_M 0x02 +#define MOLDYN_LVSTAT_SAVE 0x04 +#define MOLDYN_LVSTAT_VISUAL 0x08 +#define MOLDYN_LVSTAT_INITIALIZED 0x10 + +#define MOLDYN_STAT_1BP 0x01 +#define MOLDYN_STAT_2BP 0x02 /* define for pair potentials */ +#define MOLDYN_STAT_3BP 0x04 /* define for 3 body pot */ +#define MOLDYN_STAT_PBX 0x08 /* periodic boudaries in x */ +#define MOLDYN_STAT_PBY 0x10 /* y */ +#define MOLDYN_STAT_PBZ 0x20 /* and z direction */ + typedef struct s_ho_params { double spring_constant; double equilibrium_distance; @@ -119,27 +132,17 @@ typedef struct s_tersoff_params { /* general defines */ -#define MOLDYN_LVSTAT_TOTAL_E 0x01 -#define MOLDYN_LVSTAT_TOTAL_M 0x02 -#define MOLDYN_LVSTAT_SAVE 0x04 -#define MOLDYN_LVSTAT_DUMP 0x08 -#define MOLDYN_LVSTAT_VISUAL 0x10 -#define MOLDYN_LVSTAT_INITIALIZED 0x80 - -#define MOLDYN_STAT_POTENTIAL 0x01 -#define MOLDYN_STAT_FORCE 0x02 - #define MOLDYN_TEMP 273.0 #define MOLDYN_TAU 1.0e-15 #define MOLDYN_CUTOFF 10.0e-9 #define MOLDYN_RUNS 1000000 #define MOLDYN_INTEGRATE_VERLET 0x00 -#define MOLDYN_INTEGRATE_DEFAULT MOLDYN_INTEGRATE_VERLET +#define MOLDYN_INTEGRATE_DEFAULT MOLDYN_INTEGRATE_VERLET #define MOLDYN_POTENTIAL_HO 0x00 #define MOLDYN_POTENTIAL_LJ 0x01 -#define MOLDYN_POTENTIAL_DEFAULT MOLDYN_POTENTIAL_LJ +#define MOLDYN_POTENTIAL_DEFAULT MOLDYN_POTENTIAL_LJ /* phsical values */