From a6edf5a879ed20d6abb25bf10104aa284ecfab3b Mon Sep 17 00:00:00 2001
From: Yichao Yu <yyc1992@gmail.com>
Date: Mon, 27 Apr 2015 21:17:44 -0400
Subject: [PATCH] Extend Base.gradient instead of defining a new one

---
 src/Calculus.jl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Calculus.jl b/src/Calculus.jl
index 569088f..424b458 100644
--- a/src/Calculus.jl
+++ b/src/Calculus.jl
@@ -14,6 +14,8 @@ module Calculus
            jacobian,
            second_derivative
 
+    import Base: gradient
+
     # TODO: Debate type system more carefully
     # abstract BundledFunction
     # abstract ScalarFunction