* 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

@@ -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

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

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