#define LRS_MULTIP \
    1000 /* number of offset units in mp unit, later make it optional */

/* Structures, definitions and prototypes for  Linear reference system */
int LR_get_offset(dbDriver *driver, char *table_name, char *lcat_col,
                  char *lid_col, char *start_map_col, char *end_map_col,
                  char *start_mp_col, char *start_off_col, char *end_mp_col,
                  char *end_off_col, int lid, double mpost, double offset,
                  double multiplier, int *line_cat, double *map_offset);

int LR_get_nearest_offset(dbDriver *driver, char *table_name, char *lcat_col,
                          char *lid_col, char *start_map_col, char *end_map_col,
                          char *start_mp_col, char *start_off_col,
                          char *end_mp_col, char *end_off_col, int lid,
                          double mpost, double offset, double multiplier,
                          int direction, int *line_cat, double *map_offset);

int LR_get_milepost(dbDriver *driver, char *table_name, char *lcat_col,
                    char *lid_col, char *start_map_col, char *end_map_col,
                    char *start_mp_col, char *start_off_col, char *end_mp_col,
                    char *end_off_col, int line_cat, double map_offset,
                    double multiplier, int *lid, double *mpost, double *offset);

int LR_cmp_mileposts(double mp1, double off1, double mp2, double off2);
