49 lines
2.0 KiB
OCaml
49 lines
2.0 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the Q Public License version 1.0. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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(* Operations on native integers (32 or 64 bits). *)
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type t
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val from: int -> t
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(* Turn an integer into a native integer *)
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val to_int : t -> int
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(* Return the integer value of a native integer, dropping the
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most significant bit *)
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val add: t -> t -> t
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val sub: t -> t -> t
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(* Addition, subtraction. *)
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val shift: t -> int -> t
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(* [shift n s] shifts [n] left by [s] bits if [s] > 0
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and right by [-s] bits if [s] < 0. *)
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val logand: t -> t -> t
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val logor: t -> t -> t
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val logxor: t -> t -> t
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(* Bitwise and, or, xor *)
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val sign: t -> int
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(* [sign n1] returns [0] if [n1] is zero, a positive
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integer if [n] is positive, and a negative integer if
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[n] is negative. *)
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val compare: t -> t -> int
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(* [compare n1 n2] returns [0] if [n1 = n2], a positive
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integer if [n1] > [n2], and a negative integer if
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[n1] < [n2]. *)
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val cmp: t -> int -> int
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(* [cmp n1 i2] is [compare n1 (from i2)]. *)
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val to_string: t -> string
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(* Return the signed decimal representation of a native integer. *)
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val to_hexa_string: t -> string
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(* Return the signed hexadecimal representation of a native integer,
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in 0x notation. *)
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