990918-repack

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@531 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 16 insertions, 3 deletions

diff --git a/sample/goodfriday.rb b/sample/goodfriday.rb
index cc541af3f3..f0027ec5dd 100644
--- a/sample/goodfriday.rb
+++ b/sample/goodfriday.rb
@@ -1,12 +1,25 @@
 #! /usr/local/bin/ruby
 
 # goodfriday.rb: Written by Tadayoshi Funaba 1998
-# $Id: goodfriday.rb,v 1.3 1999/08/04 14:54:18 tadf Exp $
+# $Id: goodfriday.rb,v 1.1 1998/03/08 09:44:44 tadf Exp $
 
 require 'date2'
-require 'holiday'
 
-es = Date.easter(Date.today.year)
+def easter(y)
+  g = (y % 19) + 1
+  c = (y / 100) + 1
+  x = (3 * c / 4) - 12
+  z = ((8 * c + 5) / 25) - 5
+  d = (5 * y / 4) - x - 10
+  e = (11 * g + 20 + z - x) % 30
+  e += 1 if e == 25 and g > 11 or e == 24
+  n = 44 - e
+  n += 30 if n < 21
+  n = n + 7 - ((d + n) % 7)
+  if n <= 31 then [y, 3, n] else [y, 4, n - 31] end
+end
+
+es = Date.new3(*easter(Time.now.year))
 [[-9*7, 'Septuagesima Sunday'],
  [-8*7, 'Sexagesima Sunday'],
  [-7*7, 'Quinquagesima Sunday (Shrove Sunday)'],