From c64ae508d158dec51f8de8ed468601b73daa61a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Zurcher?= <jeremy@asynk.ch>
Date: Sun, 23 Aug 2009 02:45:15 +0200
Subject: speed up ? age

---
 lib/ayk/age.rb | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/lib/ayk/age.rb b/lib/ayk/age.rb
index fc1aeb3..0ecc40e 100644
--- a/lib/ayk/age.rb
+++ b/lib/ayk/age.rb
@@ -18,12 +18,17 @@ class DateTime
         return [nil]*6 if at<self
         # years
         years = at.year-self.year
-        years -= 1 if ( self>>(12*years) ) > at
         x = self>>(12*years)
-        # months
-        months = at.month-x.month+(12*(at.year-x.year))
-        months -= 1 if ( x>>months ) > at
+        if x>at
+            years -= 1
+            x<<=12
+        end
+        months = at.month-x.month+(11*(at.year-x.year))
         x >>=months
+        if x>at
+            months -= 1
+            x <<=1
+        end
         # days
         days = (at-x).to_i
         x += days
-- 
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