From ff2caf032ca1e18a399928f4a912f9233598587a Mon Sep 17 00:00:00 2001
From: boathit <xiucheng90@gmail.com>
Date: Mon, 12 Mar 2018 22:48:16 +0800
Subject: [PATCH] eliminate ambiguous

---
 src/tracker/scalar.jl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/tracker/scalar.jl b/src/tracker/scalar.jl
index 47aa9226..81430e2d 100644
--- a/src/tracker/scalar.jl
+++ b/src/tracker/scalar.jl
@@ -61,6 +61,11 @@ for (M, f, arity) in DiffRules.diffrules()
   end
 end
 
+# Eliminating ambiguous
+import Base:^
+
+^(a::TrackedReal, b::Integer) = track(^, a, b)
+
 # Tuples
 
 struct TrackedTuple{T<:Tuple}