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| author | tadf <tadf@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-09-28 00:41:42 +0000 |
|---|---|---|
| committer | tadf <tadf@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-09-28 00:41:42 +0000 |
| commit | 7f7cb6f00b12bd8ec660e576e3d34aa609062897 (patch) | |
| tree | 975eebde6d0c4ffcd629ec443303ab117dd0d639 | |
| parent | 4fb41738f1d3ae0b050d203d7efffdd2f32864a6 (diff) | |
| download | ruby-7f7cb6f00b12bd8ec660e576e3d34aa609062897.tar.gz ruby-7f7cb6f00b12bd8ec660e576e3d34aa609062897.tar.xz ruby-7f7cb6f00b12bd8ec660e576e3d34aa609062897.zip | |
* lib/mathn.rb ({Fixnum,Bignum,Float}#**): may produce complex
value.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@19603 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | lib/mathn.rb | 30 |
2 files changed, 35 insertions, 0 deletions
@@ -1,3 +1,8 @@ +Sun Sep 28 09:39:48 2008 Tadayoshi Funaba <tadf@dotrb.org> + + * lib/mathn.rb ({Fixnum,Bignum,Float}#**): may produce complex + value. + Sun Sep 28 09:05:53 2008 James Edward Gray II <jeg2@ruby-lang.org> * lib/csv/csv.rb: Worked around some minor encoding changes in Ruby diff --git a/lib/mathn.rb b/lib/mathn.rb index 401b162b4..486d48729 100644 --- a/lib/mathn.rb +++ b/lib/mathn.rb @@ -61,6 +61,16 @@ class Fixnum remove_method :/ alias / quo + alias power! ** + + def ** (other) + if self < 0 && other.round != other + Complex(self, 0.0) ** other + else + power!(other) + end + end + def_canon *(instance_methods - Object.methods - [:canon]) end @@ -69,6 +79,16 @@ class Bignum remove_method :/ alias / quo + alias power! ** + + def ** (other) + if self < 0 && other.round != other + Complex(self, 0.0) ** other + else + power!(other) + end + end + def_canon *(instance_methods - Object.methods - [:canon]) end @@ -261,4 +281,14 @@ class Float def_canon *(instance_methods - Object.methods - [:canon]) + alias power! ** + + def ** (other) + if self < 0 && other.round != other + Complex(self, 0.0) ** other + else + power!(other) + end + end + end |