From 1c72b75fc314ba23f395794ad27716b8971a4c6c Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Tue, 18 Jul 2017 15:50:06 +0200
Subject: [PATCH] Optimize function

---
 Math/Functions/Functions.php | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/Math/Functions/Functions.php b/Math/Functions/Functions.php
index a4381130a..c8332f253 100644
--- a/Math/Functions/Functions.php
+++ b/Math/Functions/Functions.php
@@ -239,11 +239,7 @@ class Functions
      */
     public static function isOdd($a) : bool
     {
-        if ($a & 1) {
-            return true;
-        }
-
-        return false;
+        return $a & 1;
     }
 
     /**
@@ -258,11 +254,7 @@ class Functions
      */
     public static function isEven($a) : bool
     {
-        if ($a & 1) {
-            return false;
-        }
-
-        return true;
+        return !($a & 1)
     }
 
     /**