From 2363bbaa756848b30b48db620b5decb8ad3a439d Mon Sep 17 00:00:00 2001
From: Arkadiusz Kondas <arkadiusz.kondas@gmail.com>
Date: Mon, 12 Dec 2016 19:02:09 +0100
Subject: [PATCH] Add type hint and exceptions annotation

---
 src/Phpml/Clustering/KMeans/Cluster.php | 2 ++
 src/Phpml/Clustering/KMeans/Point.php   | 4 ++--
 src/Phpml/Clustering/KMeans/Space.php   | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/Phpml/Clustering/KMeans/Cluster.php b/src/Phpml/Clustering/KMeans/Cluster.php
index c160b6c2..28fa8aff 100644
--- a/src/Phpml/Clustering/KMeans/Cluster.php
+++ b/src/Phpml/Clustering/KMeans/Cluster.php
@@ -60,6 +60,8 @@ public function toArray()
      * @param Point $point
      *
      * @return Point
+     *
+     * @throws \LogicException
      */
     public function attach(Point $point)
     {
diff --git a/src/Phpml/Clustering/KMeans/Point.php b/src/Phpml/Clustering/KMeans/Point.php
index a8d72e5b..ce1c44ee 100644
--- a/src/Phpml/Clustering/KMeans/Point.php
+++ b/src/Phpml/Clustering/KMeans/Point.php
@@ -53,11 +53,11 @@ public function getDistanceWith(self $point, $precise = true)
     }
 
     /**
-     * @param $points
+     * @param array $points
      *
      * @return mixed
      */
-    public function getClosest($points)
+    public function getClosest(array $points)
     {
         foreach ($points as $point) {
             $distance = $this->getDistanceWith($point, false);
diff --git a/src/Phpml/Clustering/KMeans/Space.php b/src/Phpml/Clustering/KMeans/Space.php
index 40b1f1d8..49ded31c 100644
--- a/src/Phpml/Clustering/KMeans/Space.php
+++ b/src/Phpml/Clustering/KMeans/Space.php
@@ -65,7 +65,7 @@ public function addPoint(array $coordinates, $data = null)
     }
 
     /**
-     * @param object $point
+     * @param Point $point
      * @param null   $data
      */
     public function attach($point, $data = null)