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-rw-r--r--lib/rational.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/rational.rb b/lib/rational.rb
index 4b39f83152..5acfa5433d 100644
--- a/lib/rational.rb
+++ b/lib/rational.rb
@@ -3,7 +3,7 @@ class Fixnum
alias quof fdiv
alias rdiv quo
- alias power! **
+ alias power! ** unless defined?(0.power!)
alias rpower **
end
@@ -13,7 +13,7 @@ class Bignum
alias quof fdiv
alias rdiv quo
- alias power! **
+ alias power! ** unless defined?(0.power!)
alias rpower **
end