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|
(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the GNU Library General Public License, with *)
(* the special exception on linking described in file ../LICENSE. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* Module [Int32]: 32-bit integers *)
external neg : int32 -> int32 = "%int32_neg"
external add : int32 -> int32 -> int32 = "%int32_add"
external sub : int32 -> int32 -> int32 = "%int32_sub"
external mul : int32 -> int32 -> int32 = "%int32_mul"
external div : int32 -> int32 -> int32 = "%int32_div"
external rem : int32 -> int32 -> int32 = "%int32_mod"
external logand : int32 -> int32 -> int32 = "%int32_and"
external logor : int32 -> int32 -> int32 = "%int32_or"
external logxor : int32 -> int32 -> int32 = "%int32_xor"
external shift_left : int32 -> int -> int32 = "%int32_lsl"
external shift_right : int32 -> int -> int32 = "%int32_asr"
external shift_right_logical : int32 -> int -> int32 = "%int32_lsr"
external of_int : int -> int32 = "%int32_of_int"
external to_int : int32 -> int = "%int32_to_int"
external of_float : float -> int32 = "int32_of_float"
external to_float : int32 -> float = "int32_to_float"
let zero = of_int 0
let one = of_int 1
let minus_one = of_int (-1)
let succ n = add n one
let pred n = sub n one
let abs n = if n >= zero then n else neg n
let min_int = shift_left one 31
let max_int = sub min_int one
let lognot n = logxor n minus_one
external format : string -> int32 -> string = "int32_format"
let to_string n = format "%d" n
external of_string : string -> int32 = "int32_of_string"
type t = int32
let compare = (Pervasives.compare: t -> t -> int)
|
