/*
 * Revision Control Information
 *
 * $Source: /vol/opua/opua2/sis/sis-1.1/common/src/sis/stg/RCS/stg_int.h,v $
 * $Author: sis $
 * $Revision: 1.2 $
 * $Date: 1992/05/06 19:03:05 $
 *
 */
#define MAX_ELENGTH 36

/* We are keeping the definitions of the clocks local to the stg package */
typedef struct stg_clock_structure {
        char *name;
	double cycle_time;	/* Cycle time */
	double nominal_rise;	/* Nominal position */
	double nominal_fall;
	double min_rise;	/* max negative skew */
	double min_fall;
	double max_rise;	/* max positive skew */
	double max_fall;
    } stg_clock_t;

#define stg_get_clock_data(stg) (stg_clock_t *) g_get_g_slot_static((stg), CLOCK_DATA)
#define stg_set_clock_data(stg, i)  (void) g_set_g_slot_static((stg), CLOCK_DATA, (gGeneric) i)


typedef struct node_data {
    node_t *node;
    struct node_data *next,*wnext;
    long cube;
    char value[MAX_ELENGTH];
    char jflag[MAX_ELENGTH];
    int level;
} ndata;

/*
 * Support for the memory management (use of calloc)
 */
#define SENUM_ALLOC(type,num)                               \
	((type *)calloc((unsigned)(num),(unsigned)sizeof(type)))
extern int  stg_statecmp();
extern int  stg_statehash();
extern void stg_init_state_hash();
extern void stg_end_state_hash();
/*
extern void stg_print_hashed_state();
*/
extern void stg_translate_hashed_code();
extern unsigned *stg_get_state_hash();

extern ndata *nptr();
extern void  setnptr();

/* Old use of the undef1 has been discontinued
#define nptr(node)	((ndata *) (node)->undef1)
#define setnptr(node,n)	((node)->undef1 = (char *) (n))
*/

extern network_t *copy;
extern ndata **stg_pstate,**stg_nstate,**real_po;
extern int *stg_estate;
extern int nlatch,npi,npo;
extern int stg_longs_per_state, stg_bits_per_long;
extern int total_no_of_states;
extern long total_no_of_edges;
extern unsigned *unfinish_head, *hashed_state;
extern st_table *slist;
extern st_table *state_table;
extern int n_varying_nodes;
extern ndata **varying_node;

#define SCHEDULED	1
#define ALL_ASSIGNED	2
#define MARKED		4
#define CHANGED		8

extern void ctable_enum();
extern unsigned *shashcode();
extern void enumerate();

extern void stg_sc_sim();


extern void level_circuit();
extern void rearrange_gate_inputs();
extern void stg_copy_names();
extern void stg_copy_clock_data();
extern void stg_set_network_pipo_names();