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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * Copyright INRIA, CNRS and contributors *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
open NumCompat
type interval = Q.t option * Q.t option
val pp : out_channel -> interval -> unit
val inter : interval -> interval -> interval option
val range : interval -> Q.t option
val smaller_itv : interval -> interval -> bool
val in_bound : interval -> Q.t -> bool
val norm_itv : interval -> interval option
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