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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. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* Module [Int64]: 64-bit integers *)
external neg: int64 -> int64 = "%int64_neg"
external add: int64 -> int64 -> int64 = "%int64_add"
external sub: int64 -> int64 -> int64 = "%int64_sub"
external mul: int64 -> int64 -> int64 = "%int64_mul"
external div: int64 -> int64 -> int64 = "%int64_div"
external rem: int64 -> int64 -> int64 = "%int64_mod"
external logand: int64 -> int64 -> int64 = "%int64_and"
external logor: int64 -> int64 -> int64 = "%int64_or"
external logxor: int64 -> int64 -> int64 = "%int64_xor"
external shift_left: int64 -> int -> int64 = "%int64_lsl"
external shift_right: int64 -> int -> int64 = "%int64_asr"
external shift_right_logical: int64 -> int -> int64 = "%int64_lsr"
external of_int: int -> int64 = "%int64_of_int"
external to_int: int64 -> int = "%int64_to_int"
external of_int32: int32 -> int64 = "%int64_of_int32"
external to_int32: int64 -> int32 = "%int64_to_int32"
external of_nativeint: nativeint -> int64 = "%int64_of_nativeint"
external to_nativeint: int64 -> nativeint = "%int64_to_nativeint"
let zero = try of_int 0 with Invalid_argument _ -> Obj.magic Int32.zero
let one = try of_int 1 with Invalid_argument _ -> Obj.magic Int32.one
let minus_one = try of_int (-1) with Invalid_argument _ -> Obj.magic Int32.minus_one
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 = try shift_left one 63 with Invalid_argument _ -> Obj.magic Int32.min
let max = try sub min one with Invalid_argument _ -> Obj.magic Int32.max
let lognot n = logxor n minus_one
external format : string -> int64 -> string = "int64_format"
let to_string n = format "%d" n
external of_string: string -> int64 = "int64_of_string"
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