From 8341d144277332e034b661d74ccaeff79722c73b Mon Sep 17 00:00:00 2001
From: Mike J Innes <mike.j.innes@gmail.com>
Date: Wed, 19 Dec 2018 10:26:26 +0000
Subject: [PATCH] fix fix_dec

---
 src/tracker/scalar.jl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/tracker/scalar.jl b/src/tracker/scalar.jl
index 6259153e..b494e5b4 100644
--- a/src/tracker/scalar.jl
+++ b/src/tracker/scalar.jl
@@ -44,7 +44,9 @@ for f in :[isinf, isnan, isfinite].args
   @eval Base.$f(x::TrackedReal) = Base.$f(data(x))
 end
 
-Base.Printf.fix_dec(x::TrackedReal, n::Int) = Base.Printf.fix_dec(data(x), n)
+Base.Printf.fix_dec(x::TrackedReal, n::Int, a...) = Base.Printf.fix_dec(data(x), n, a...)
+
+Base.float(x::TrackedReal) = x
 
 Base.promote_rule(::Type{TrackedReal{S}},::Type{T}) where {S,T} =
   TrackedReal{promote_type(S,T)}