2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
16 val initial_status: unit -> status
18 val refresh_status: status -> status
22 val finite: int -> layer
28 val unknown: status -> layer
30 val minus: status -> layer -> int -> layer
32 val to_string: status -> layer -> string
34 val assert_not_zero: status -> layer -> bool
36 val assert_zero: status -> layer -> bool
38 val assert_equal: status -> layer -> layer -> bool
40 val is_not_zero: status -> layer -> bool
42 val are_equal: status -> layer -> layer -> bool