package frama-c

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package frama-c
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Big integers with an additional top element.

type i =
  1. | Top
  2. | Value of Integer.t
include Datatype.S with type t = i
include Datatype.S_no_copy with type t = i
include Datatype.Ty with type t = i
type t = i
val ty : t Type.t
val name : string

Unique name of the datatype.

val descr : t Descr.t

Datatype descriptor.

val packed_descr : Structural_descr.pack

Packed version of the descriptor.

val reprs : t list

List of representants of the descriptor.

val equal : t -> t -> bool

Equality: same spec than Stdlib.(=).

val compare : t -> t -> int

Comparison: same spec than Stdlib.compare.

val hash : t -> int

Hash function: same spec than Hashtbl.hash.

val pretty : Format.formatter -> t -> unit

Pretty print each value in an user-friendly way.

val mem_project : (Project_skeleton.t -> bool) -> t -> bool

mem_project f x must return true iff there is a value p of type Project.t in x such that f p returns true.

val copy : t -> t

Deep copy: no possible sharing between x and copy x.

val zero : t
val one : t
val minus_one : t
val top : t
val neg : t -> t
val is_zero : t -> bool
val is_top : t -> bool
val inject : Integer.t -> t
val project : t -> Integer.t
  • raises Error_Top

    if the argument is Top.

val cardinal_zero_or_one : t -> bool
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