From 9fba5cbc7c8a7d650d6c272d02b1c83ced08b50b Mon Sep 17 00:00:00 2001
From: Luca Guidi <guidi.luca@gmail.com>
Date: Sat, 13 Jun 2009 12:43:07 +0200
Subject: [PATCH] Bytes calculation speed up

---
 .../lib/active_support/core_ext/numeric/bytes.rb   |   23 +++++++++++++-------
 1 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/activesupport/lib/active_support/core_ext/numeric/bytes.rb b/activesupport/lib/active_support/core_ext/numeric/bytes.rb
index 507d651..deea8e9 100644
--- a/activesupport/lib/active_support/core_ext/numeric/bytes.rb
+++ b/activesupport/lib/active_support/core_ext/numeric/bytes.rb
@@ -1,4 +1,11 @@
 class Numeric
+  KILOBYTE = 1024
+  MEGABYTE = KILOBYTE * 1024
+  GIGABYTE = MEGABYTE * 1024
+  TERABYTE = GIGABYTE * 1024
+  PETABYTE = TERABYTE * 1024
+  EXABYTE  = PETABYTE * 1024
+
   # Enables the use of byte calculations and declarations, like 45.bytes + 2.6.megabytes
   def bytes
     self
@@ -6,32 +13,32 @@ class Numeric
   alias :byte :bytes
 
   def kilobytes
-    self * 1024
+    self * KILOBYTE
   end
   alias :kilobyte :kilobytes
 
   def megabytes
-    self * 1024.kilobytes
+    self * MEGABYTE
   end
   alias :megabyte :megabytes
 
   def gigabytes
-    self * 1024.megabytes 
+    self * GIGABYTE
   end
   alias :gigabyte :gigabytes
 
   def terabytes
-    self * 1024.gigabytes
+    self * TERABYTE
   end
   alias :terabyte :terabytes
-  
+
   def petabytes
-    self * 1024.terabytes
+    self * PETABYTE
   end
   alias :petabyte :petabytes
-  
+
   def exabytes
-    self * 1024.petabytes
+    self * EXABYTE
   end
   alias :exabyte :exabytes
 end
-- 
1.5.4.5