From b2b715c020de1046034c8882b3846b12a5ed03c7 Mon Sep 17 00:00:00 2001
From: Osspial <osspial@gmail.com>
Date: Thu, 10 Aug 2017 18:50:11 -0400
Subject: [PATCH] Add vector subtraction bound to EuclideanSpace

---
 src/structure.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/structure.rs b/src/structure.rs
index 6c36cc0..1c77c3a 100644
--- a/src/structure.rs
+++ b/src/structure.rs
@@ -310,6 +310,7 @@ pub trait EuclideanSpace: Copy + Clone where
     Self: Array<Element = <Self as EuclideanSpace>::Scalar>,
 
     Self: Add<<Self as EuclideanSpace>::Diff, Output = Self>,
+    Self: Sub<<Self as EuclideanSpace>::Diff, Output = Self>,
     Self: Sub<Self, Output = <Self as EuclideanSpace>::Diff>,
 
     Self: Mul<<Self as EuclideanSpace>::Scalar, Output = Self>,