From 23c8ba8c465cc41bd3995c59dee2df098fd1d2cc Mon Sep 17 00:00:00 2001 From: marcandre Date: Thu, 24 Sep 2009 01:07:21 +0000 Subject: * lib/mathn.rb (Fixnum#**, Float#**, Bignum#**): Allow fractional power for negative numbers when 'mathn' is required [redmine:783] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@25068 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- lib/mathn.rb | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'lib') diff --git a/lib/mathn.rb b/lib/mathn.rb index 482a4f366a..7d16923670 100644 --- a/lib/mathn.rb +++ b/lib/mathn.rb @@ -108,10 +108,30 @@ end class Fixnum alias / quo + + alias power! ** unless method_defined? :power! + + def ** (other) + if self < 0 && other.round != other + Complex.new(self, 0.0) ** other + else + power!(other) + end + end end class Bignum alias / quo + + alias power! ** unless method_defined? :power! + + def ** (other) + if self < 0 && other.round != other + Complex.new(self, 0.0) ** other + else + power!(other) + end + end end class Rational @@ -306,3 +326,15 @@ class Complex Unify = true end +class Float + alias power! ** + + def ** (other) + if self < 0 && other.round != other + Complex.new(self, 0.0) ** other + else + power!(other) + end + end + +end -- cgit v1.2.3