From a61704501d0b91610aa356f94910f2626e7abb1c Mon Sep 17 00:00:00 2001
From: Arkadiusz Kondas <arkadiusz.kondas@gmail.com>
Date: Tue, 6 Dec 2016 08:48:45 +0100
Subject: [PATCH] Fix type compatibility for Minkowski distance

---
 src/Phpml/Math/Distance/Minkowski.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Phpml/Math/Distance/Minkowski.php b/src/Phpml/Math/Distance/Minkowski.php
index cb13a7c..6ed0660 100644
--- a/src/Phpml/Math/Distance/Minkowski.php
+++ b/src/Phpml/Math/Distance/Minkowski.php
@@ -43,6 +43,6 @@ class Minkowski implements Distance
             $distance += pow(abs($a[$i] - $b[$i]), $this->lambda);
         }
 
-        return pow($distance, 1 / $this->lambda);
+        return (float)pow($distance, 1 / $this->lambda);
     }
 }