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-rw-r--r--src/Curves/Montgomery/XZ.v4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/Curves/Montgomery/XZ.v b/src/Curves/Montgomery/XZ.v
index c83dd4c2d..6b813ba04 100644
--- a/src/Curves/Montgomery/XZ.v
+++ b/src/Curves/Montgomery/XZ.v
@@ -1,3 +1,5 @@
+Require Import Coq.PArith.BinPosDef.
+Require Import Coq.ZArith.BinIntDef.
Require Import Crypto.Algebra.Field.
Require Import Crypto.Util.GlobalSettings Crypto.Util.Notations.
Require Import Crypto.Util.Sum Crypto.Util.Prod Crypto.Util.LetIn.
@@ -109,7 +111,7 @@ Module M.
dlet z2 := tmp1l * tmp0l in
((x2, z2), (x3, z3))%core
end.
-
+
Context {cswap:bool->F->F->F*F}.
Local Notation xor := Coq.Init.Datatypes.xorb.
Local Open Scope core_scope.