php-ai / php-ml

src/Phpml/Optimization/Cost.php

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace Phpml\Optimization;
 

src/Phpml/Optimization/Anneal.php

Indentation +10 added lines, -10 removed lines

@@ -7,28 +7,28 @@
 class Anneal
 {
     /**
-    * @var array
-    */
+     * @var array
+     */
     private $domain;
 
     /**
-    * @var Cost
-    */    
+     * @var Cost
+     */    
     private $cost;
 
     /**
-    * @var int
-    */
+     * @var int
+     */
     private $temperature;
 
     /**
-    * @var float
-    */
+     * @var float
+     */
     private $cool;
 
     /**
-    * @var int
-    */
+     * @var int
+     */
     private $step;
 
     /**

Spacing +10 added lines, -10 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace Phpml\Optimization;
 
@@ -38,7 +38,7 @@ 
      * @param float      $cool
      * @param int        $step
      */
-    public function __construct(array $domain, Cost $cost, int $temperature = 1000, float $cool = 0.99, int $step=1)
+    public function __construct(array $domain, Cost $cost, int $temperature = 1000, float $cool = 0.99, int $step = 1)
     {
         $this->domain = $domain;
         $this->cost = $cost;
@@ -52,19 +52,19 @@ 
      */
     public function run()
     {
-        $i=0;
+        $i = 0;
         $vec = [];
-        for ($i=0 ; $i<count($this->domain); $i++) {
-            $vec[]=rand($this->domain[$i][0], $this->domain[$i][1]);
+        for ($i = 0; $i < count($this->domain); $i++) {
+            $vec[] = rand($this->domain[$i][0], $this->domain[$i][1]);
         }
         while ($this->temperature > 0.1) {
             $idx = rand(0, count($this->domain) - 1);
             $dir = rand(-$this->step, $this->step);
             $newVec = [];
-            for ($i=0; $i<count($vec); $i++) {
-                $newVec[]=($vec[$i]);
+            for ($i = 0; $i < count($vec); $i++) {
+                $newVec[] = ($vec[$i]);
             }
-            $newVec[$idx]+=$dir;
+            $newVec[$idx] += $dir;
             if ($newVec[$idx] < $this->domain[$idx][0]) {
                 $newVec[$idx] = $this->domain[$idx][0];
             }
@@ -74,8 +74,8 @@ 
 
             $ea = $this->cost->calc($vec);
             $eb = $this->cost->calc($newVec);
-            $p = exp(-1*($eb-$ea)/$this->temperature);
-            if ($eb < $ea || (rand(0, 1000)/1000) < $p) {
+            $p = exp(-1 * ($eb - $ea) / $this->temperature);
+            if ($eb < $ea || (rand(0, 1000) / 1000) < $p) {
                 $vec = $newVec;
             }