From 2fcb91c74c18680fed4c4067bda6aab60abb5de2 Mon Sep 17 00:00:00 2001
From: mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 26 Jul 2011 15:46:42 +0000
Subject: [PATCH] * ext/bigdecimal/lib/bigdecimal/util.rb (Integer#to_d): added
   for symmetry to BigDecimal() function with an Integer.   fixes #5098. 
 [ruby-dev:44210] * test/bigdecimal/test_bigdecimal_util.rb: add test for the
 above   change.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32677 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                               |  9 +++++++++
 ext/bigdecimal/lib/bigdecimal/util.rb   | 17 +++++++++++++++++
 test/bigdecimal/test_bigdecimal_util.rb |  5 +++++
 3 files changed, 31 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index ae33e360f9..0e285f88e9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+Wed Jul 27 00:45:00 2011  Kenta Murata  <mrkn@mrkn.jp>
+
+	* ext/bigdecimal/lib/bigdecimal/util.rb (Integer#to_d): added
+	  for symmetry to BigDecimal() function with an Integer.
+	  fixes #5098.  [ruby-dev:44210]
+
+	* test/bigdecimal/test_bigdecimal_util.rb: add test for the above
+	  change.
+
 Wed Jul 27 00:30:00 2011  Kenta Murata  <mrkn@mrkn.jp>
 
 	* ext/bigdecimal/lib/bigdecimal/util.rb (BigDecimal#to_d): added
diff --git a/ext/bigdecimal/lib/bigdecimal/util.rb b/ext/bigdecimal/lib/bigdecimal/util.rb
index 6860cfd702..1ec39a30ee 100644
--- a/ext/bigdecimal/lib/bigdecimal/util.rb
+++ b/ext/bigdecimal/lib/bigdecimal/util.rb
@@ -1,3 +1,20 @@
+class Integer < Numeric
+  # call-seq:
+  #     int.to_d  -> bigdecimal
+  #
+  # Convert +int+ to a BigDecimal and return it.
+  #
+  #     require 'bigdecimal'
+  #     require 'bigdecimal/util'
+  #
+  #     42.to_d
+  #     # => #<BigDecimal:1008ef070,'0.42E2',9(36)>
+  #
+  def to_d
+    BigDecimal(self)
+  end
+end
+
 class Float < Numeric
   # call-seq:
   #     flt.to_d  -> bigdecimal
diff --git a/test/bigdecimal/test_bigdecimal_util.rb b/test/bigdecimal/test_bigdecimal_util.rb
index c4483715ea..5f03b734cf 100644
--- a/test/bigdecimal/test_bigdecimal_util.rb
+++ b/test/bigdecimal/test_bigdecimal_util.rb
@@ -7,4 +7,9 @@ class TestBigDecimalUtil < Test::Unit::TestCase
     x = BigDecimal(1)
     assert_same(x, x.to_d)
   end
+
+  def test_Integer_to_d
+    assert_equal(BigDecimal(1), 1.to_d)
+    assert_equal(BigDecimal(2<<100), (2<<100).to_d)
+  end
 end