1 files changed, 66 insertions, 0 deletions
diff --git a/contrib/micromega/sos.mli b/contrib/micromega/sos.mli
new file mode 100644
index 00000000..31c9518c
--- /dev/null
+++ b/contrib/micromega/sos.mli
@@ -0,0 +1,66 @@
+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+
+
+type vname = string;;
+
+type term =
+| Zero
+| Const of Num.num
+| Var of vname
+| Inv of term
+| Opp of term
+| Add of (term * term)
+| Sub of (term * term)
+| Mul of (term * term)
+| Div of (term * term)
+| Pow of (term * int)
+
+type positivstellensatz =
+   Axiom_eq of int
+ | Axiom_le of int
+ | Axiom_lt of int
+ | Rational_eq of Num.num
+ | Rational_le of Num.num
+ | Rational_lt of Num.num
+ | Square of term
+ | Monoid of int list
+ | Eqmul of term * positivstellensatz
+ | Sum of positivstellensatz * positivstellensatz
+ | Product of positivstellensatz * positivstellensatz
+
+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 : Num.num -> poly
+
+val poly_of_term : term -> poly
+
+val term_of_poly : poly -> term
+
+val term_of_sos : positivstellensatz * (Num.num * poly) list -> 
+     positivstellensatz
+
+val string_of_poly : poly -> string
+
+exception TooDeep
+
+val deepen_until : int -> (int -> 'a) -> int -> 'a
+
+val real_positivnullstellensatz_general : bool -> int -> poly list ->
+     (poly * positivstellensatz) list ->
+     poly -> poly list * (positivstellensatz * (Num.num * poly) list) list
+
+val sumofsquares : poly -> Num.num * ( Num.num * poly) list