From 01a24997547e0e209502c4df7a16a33a10941a06 Mon Sep 17 00:00:00 2001
From: Arkadiusz Kondas <arkadiusz.kondas@gmail.com>
Date: Sun, 1 May 2016 00:56:43 +0200
Subject: [PATCH] cs-fixer

---
 src/Phpml/Clustering/Clusterer.php    |  5 ++---
 src/Phpml/Clustering/DBSCAN.php       | 30 ++++++++++++++-------------
 tests/Phpml/Clustering/DBSCANTest.php | 15 +++++++-------
 3 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/src/Phpml/Clustering/Clusterer.php b/src/Phpml/Clustering/Clusterer.php
index 760c996..8324b41 100644
--- a/src/Phpml/Clustering/Clusterer.php
+++ b/src/Phpml/Clustering/Clusterer.php
@@ -1,16 +1,15 @@
 <?php
-declare(strict_types = 1);
+
+declare (strict_types = 1);
 
 namespace Phpml\Clustering;
 
 interface Clusterer
 {
-
     /**
      * @param array $samples
      *
      * @return array
      */
     public function cluster(array $samples);
-
 }
diff --git a/src/Phpml/Clustering/DBSCAN.php b/src/Phpml/Clustering/DBSCAN.php
index 361520b..e20c645 100644
--- a/src/Phpml/Clustering/DBSCAN.php
+++ b/src/Phpml/Clustering/DBSCAN.php
@@ -1,5 +1,6 @@
 <?php
-declare(strict_types = 1);
+
+declare (strict_types = 1);
 
 namespace Phpml\Clustering;
 
@@ -24,8 +25,8 @@ class DBSCAN implements Clusterer
     private $distanceMetric;
 
     /**
-     * @param float $epsilon
-     * @param int $minSamples
+     * @param float    $epsilon
+     * @param int      $minSamples
      * @param Distance $distanceMetric
      */
     public function __construct($epsilon = 0.5, $minSamples = 3, Distance $distanceMetric = null)
@@ -49,14 +50,14 @@ class DBSCAN implements Clusterer
         $clusters = [];
         $visited = [];
 
-        foreach($samples as $index => $sample) {
-            if(isset($visited[$index])) {
+        foreach ($samples as $index => $sample) {
+            if (isset($visited[$index])) {
                 continue;
             }
             $visited[$index] = true;
 
             $regionSamples = $this->getSamplesInRegion($sample, $samples);
-            if(count($regionSamples) >= $this->minSamples) {
+            if (count($regionSamples) >= $this->minSamples) {
                 $clusters[] = $this->expandCluster($regionSamples, $visited);
             }
         }
@@ -70,11 +71,12 @@ class DBSCAN implements Clusterer
      *
      * @return array
      */
-    private function getSamplesInRegion($localSample, $samples) {
+    private function getSamplesInRegion($localSample, $samples)
+    {
         $region = [];
 
-        foreach($samples as $index => $sample) {
-            if($this->distanceMetric->distance($localSample, $sample) < $this->epsilon) {
+        foreach ($samples as $index => $sample) {
+            if ($this->distanceMetric->distance($localSample, $sample) < $this->epsilon) {
                 $region[$index] = $sample;
             }
         }
@@ -88,14 +90,15 @@ class DBSCAN implements Clusterer
      *
      * @return array
      */
-    private function expandCluster($samples, &$visited) {
+    private function expandCluster($samples, &$visited)
+    {
         $cluster = [];
 
-        foreach($samples as $index => $sample) {
-            if(!isset($visited[$index])) {
+        foreach ($samples as $index => $sample) {
+            if (!isset($visited[$index])) {
                 $visited[$index] = true;
                 $regionSamples = $this->getSamplesInRegion($sample, $samples);
-                if(count($regionSamples) > $this->minSamples) {
+                if (count($regionSamples) > $this->minSamples) {
                     $cluster = array_merge($regionSamples, $cluster);
                 }
             }
@@ -105,5 +108,4 @@ class DBSCAN implements Clusterer
 
         return $cluster;
     }
-
 }
diff --git a/tests/Phpml/Clustering/DBSCANTest.php b/tests/Phpml/Clustering/DBSCANTest.php
index 748b87a..5952636 100644
--- a/tests/Phpml/Clustering/DBSCANTest.php
+++ b/tests/Phpml/Clustering/DBSCANTest.php
@@ -1,5 +1,6 @@
 <?php
-declare(strict_types = 1);
+
+declare (strict_types = 1);
 
 namespace tests\Clustering;
 
@@ -7,14 +8,13 @@ use Phpml\Clustering\DBSCAN;
 
 class DBSCANTest extends \PHPUnit_Framework_TestCase
 {
-
     public function testDBSCANSamplesClustering()
     {
-        $samples = [[1, 1],[8, 7],[1, 2],[7, 8],[2, 1],[8, 9]];
+        $samples = [[1, 1], [8, 7], [1, 2], [7, 8], [2, 1], [8, 9]];
 
         $clustered = [
             [[1, 1], [1, 2], [2, 1]],
-            [[8, 7], [7, 8], [8, 9]]
+            [[8, 7], [7, 8], [8, 9]],
         ];
 
         $dbscan = new DBSCAN($epsilon = 2, $minSamples = 3);
@@ -24,16 +24,15 @@ class DBSCANTest extends \PHPUnit_Framework_TestCase
 
     public function testDBSCANSamplesInCircleClustering()
     {
-        $samples = [[1, 1],[6, 6],[1, -1],[5, 6],[-1, -1],[7, 8],[-1, 1],[7, 7]];
+        $samples = [[1, 1], [6, 6], [1, -1], [5, 6], [-1, -1], [7, 8], [-1, 1], [7, 7]];
 
         $clustered = [
-            [[1, 1],[1, -1],[-1, -1],[-1, 1]],
-            [[6, 6],[5, 6],[7, 8],[7, 7]]
+            [[1, 1], [1, -1], [-1, -1], [-1, 1]],
+            [[6, 6], [5, 6], [7, 8], [7, 7]],
         ];
 
         $dbscan = new DBSCAN($epsilon = 3, $minSamples = 4);
 
         $this->assertEquals($clustered, $dbscan->cluster($samples));
     }
-
 }