From e2b55c7ee580024b6454be77966752549f411ad0 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Tue, 24 Apr 2018 11:53:58 +1000
Subject: [PATCH] kmeans: use norm as default metric

this avoids relying on 'point' being the coordinate type
---
 kmeans.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kmeans.hpp b/kmeans.hpp
index 01727ab5..a7d691fd 100644
--- a/kmeans.hpp
+++ b/kmeans.hpp
@@ -75,7 +75,7 @@ namespace util {
             std::forward<InputT>  (src),
             std::forward<OutputT> (dst),
             [] (auto a, auto b) {
-                return distance (a, b);
+                return norm (a - b);
         });
     }