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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
open Sos_types

type poly

val poly_isconst : poly -> bool
val poly_neg : poly -> poly
val poly_mul : poly -> poly -> poly
val poly_pow : poly -> int -> poly
val poly_const : Q.t -> poly
val poly_of_term : term -> poly
val term_of_poly : poly -> term
val term_of_sos : positivstellensatz * (Q.t * poly) list -> positivstellensatz
val string_of_poly : poly -> string

val real_positivnullstellensatz_general :
     bool
  -> int
  -> poly list
  -> (poly * positivstellensatz) list
  -> poly
  -> poly list * (positivstellensatz * (Q.t * poly) list) list

val sumofsquares : poly -> Q.t * (Q.t * poly) list