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revert git backfire in r15860; sorry

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15861 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2008-03-30 15:00:12 +00:00
parent 3730710d79
commit ef260b085e
9 changed files with 246 additions and 156 deletions
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32
lib/rational.rb
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@ -15,35 +15,3 @@ class Bignum
alias rpower **
end
class Integer
def gcd(other)
min = self.abs
max = other.abs
while min > 0
tmp = min
min = max % min
max = tmp
end
max
end
def lcm(other)
if self.zero? or other.zero?
0
else
(self.div(self.gcd(other)) * other).abs
end
end
def gcdlcm(other)
gcd = self.gcd(other)
if self.zero? or other.zero?
[gcd, 0]
else
[gcd, (self.div(gcd) * other).abs]
end
end
end