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author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-11-15 16:45:03 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-11-15 16:45:03 +0000 |
commit | 67d54f209d28019cc5d8b332706dd9950b56bdc7 (patch) | |
tree | 19afa15048b4c73f2a701a9b1ebf09a8c82ef203 /lib/rational.rb | |
parent | 30b3ce3445f5cbf94080a8408b83eaafaa264baa (diff) | |
download | ruby-67d54f209d28019cc5d8b332706dd9950b56bdc7.tar.gz |
* array.c (rb_ary_update): pedantic check to detect
rb_ary_to_ary() to modify the receiver. [ruby-dev:24861]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7273 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/rational.rb')
-rw-r--r-- | lib/rational.rb | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/lib/rational.rb b/lib/rational.rb index 2019363ac6..2241004852 100644 --- a/lib/rational.rb +++ b/lib/rational.rb @@ -312,20 +312,22 @@ class Integer return a end - def lcm(int) - a = self.abs - b = int.abs - gcd = a.gcd(b) - (a.div(gcd)) * b + def lcm(other) + if self.zero? or other.zero? + 0 + else + (self.div(self.gcd(other)) * other).abs + end end - def gcdlcm(int) - a = self.abs - b = int.abs - gcd = a.gcd(b) - return gcd, (a.div(gcd)) * b + 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 class Fixnum |