From 22d6040dca2f9edf264c0b0438fce6975bbbfb7d Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Sat, 8 Oct 2016 21:00:52 +0200
Subject: [PATCH] Implementing more usefull functions

---
 Math/Functions/Functions.php | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/Math/Functions/Functions.php b/Math/Functions/Functions.php
index c68dc3883..8c435b3d6 100644
--- a/Math/Functions/Functions.php
+++ b/Math/Functions/Functions.php
@@ -205,4 +205,28 @@ class Functions
 
         return $t;
     }
+
+    public static function mod($a, $b) {
+        if($a < 0) {
+            return ($a + $b) % $b;
+        }
+
+        return $a % $b;
+    }
+
+    public static function isOdd($a) : int {
+        if ($a & 1) {
+            return true;
+        }
+
+        return false;
+    }
+
+    public static function isEven($a) : int {
+        if ($a & 1) {
+            return false;
+        }
+
+        return true;
+    }
 }