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				   the start index of the next Eta column */

  short	    bb_rule;		/* what rule for selecting B&B variables */

  short     break_at_int;       /* TRUE if stop at first integer better than
                                   break_value */
  double    break_value;        

  double    obj_bound;          /* ## Objective function bound for speedup of 
				   B&B */
  int       iter;               /* The number of iterations in the simplex
				   solver (LP) */
  int       total_iter;         /* The total number of iterations (B&B)
				   (ILP) */
  int       max_level;          /* The Deepest B&B level of the last solution */
  int	    total_nodes;	/* total number of nodes processed in b&b */
  double    *solution;          /* sum_alloc+1 :The Solution of the last LP, 
				   0 = The Optimal Value, 
                                   1..rows The Slacks, 
				   rows+1..sum The Variables */
  double    *best_solution;     /*  "       "  :The Best 'Integer' Solution */
  double    *duals;             /* rows_alloc+1 :The dual variables of the
				   last LP */