77 lines
2.6 KiB
OCaml
77 lines
2.6 KiB
OCaml
|
(**************************************************************************)
|
||
|
|
(* *)
|
||
|
|
(* Copyright (c) 2014 - 2016. *)
|
||
|
|
(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
|
||
|
|
(* *)
|
||
|
|
(* All rights reserved. No warranty, explicit or implicit, provided. *)
|
||
|
|
(* *)
|
||
|
|
(**************************************************************************)
|
||
|
|
|
||
|
|
type t
|
||
|
|
val zero: t
|
||
|
|
val one: t
|
||
|
|
|
||
|
|
external abs: t -> t = "ml_z_abs" "ml_as_z_abs"
|
||
|
|
(** Absolute value. *)
|
||
|
|
|
||
|
|
external neg: t -> t = "ml_z_neg" "ml_as_z_neg"
|
||
|
|
(** Unary negation. *)
|
||
|
|
|
||
|
|
external add: t -> t -> t = "ml_z_add" "ml_as_z_add"
|
||
|
|
(** Addition. *)
|
||
|
|
|
||
|
|
external sub: t -> t -> t = "ml_z_sub" "ml_as_z_sub"
|
||
|
|
(** Subtraction. *)
|
||
|
|
|
||
|
|
external mul: t -> t -> t = "ml_z_mul" "ml_as_z_mul"
|
||
|
|
(** Multiplication. *)
|
||
|
|
|
||
|
|
val ediv_rem: t -> t -> (t * t)
|
||
|
|
(** Euclidean division and remainder. [ediv_rem a b] returns a pair [(q, r)]
|
||
|
|
such that [a = b * q + r] and [0 <= r < |b|].
|
||
|
|
Raises [Division_by_zero] if [b = 0].
|
||
|
|
*)
|
||
|
|
|
||
|
|
external logand: t -> t -> t = "ml_z_logand" "ml_as_z_logand"
|
||
|
|
(** Bitwise logical and. *)
|
||
|
|
|
||
|
|
external logor: t -> t -> t = "ml_z_logor" "ml_as_z_logor"
|
||
|
|
(** Bitwise logical or. *)
|
||
|
|
|
||
|
|
external logxor: t -> t -> t = "ml_z_logxor" "ml_as_z_logxor"
|
||
|
|
(** Bitwise logical exclusive or. *)
|
||
|
|
|
||
|
|
external lognot: t -> t = "ml_z_lognot" "ml_as_z_lognot"
|
||
|
|
(** Bitwise logical negation.
|
||
|
|
The identity [lognot a]=[-a-1] always hold.
|
||
|
|
*)
|
||
|
|
|
||
|
|
external shift_left: t -> int -> t = "ml_z_shift_left" "ml_as_z_shift_left"
|
||
|
|
(** Shifts to the left.
|
||
|
|
Equivalent to a multiplication by a power of 2.
|
||
|
|
The second argument must be non-negative.
|
||
|
|
*)
|
||
|
|
|
||
|
|
external shift_right: t -> int -> t = "ml_z_shift_right" "ml_as_z_shift_right"
|
||
|
|
(** Shifts to the right.
|
||
|
|
This is an arithmetic shift,
|
||
|
|
equivalent to a division by a power of 2 with rounding towards -oo.
|
||
|
|
The second argument must be non-negative.
|
||
|
|
*)
|
||
|
|
|
||
|
|
val to_string: t -> string
|
||
|
|
val of_string: string -> t
|
||
|
|
|
||
|
|
external to_int64: t -> int64 = "ml_z_to_int64"
|
||
|
|
(** Converts to a 64-bit integer. May raise [Overflow]. *)
|
||
|
|
external of_int64: int64 -> t = "ml_z_of_int64"
|
||
|
|
(** Converts from a 64-bit integer. *)
|
||
|
|
|
||
|
|
external to_int: t -> int = "ml_z_to_int"
|
||
|
|
(** Converts to a base integer. May raise an [Overflow]. *)
|
||
|
|
external of_int: int -> t = "ml_z_of_int" [@@ noalloc]
|
||
|
|
(** Converts from a base integer. *)
|
||
|
|
|
||
|
|
external equal: t -> t -> bool = "ml_z_equal" [@@ noalloc]
|
||
|
|
external compare: t -> t -> int = "ml_z_compare" [@@ noalloc]
|