From 677a0aa4a9fba7e55212217375ae990b97578fcb Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Sun, 27 Aug 2017 12:27:26 +1000
Subject: [PATCH] coord/ops: use vector ops for point difference

---
 coord/ops.hpp | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/coord/ops.hpp b/coord/ops.hpp
index 70dadb81..b86b0fc4 100644
--- a/coord/ops.hpp
+++ b/coord/ops.hpp
@@ -367,10 +367,7 @@ namespace util {
     vector<S,std::common_type_t<T,U>>
     operator- (point<S,T> a, point<S,U> b)
     {
-        vector<S,std::common_type_t<T,U>> out {};
-        for (size_t i = 0; i < S; ++i)
-            out[i] = a[i] - b[i];
-        return out;
+        return a.template as<vector> () - b.template as<vector> ();
     }