Issue #175 has been updated by Arthur Schreiber.


Rational#power2 is still not working correctly:

Rational(1, 4).power2(Rational(1, 2)) # => NameError: undefined local variable or method `num' for 1/4:Rational

Rational(1, 4).power2(Rational(1, 4)) # => Infinite Loop
Rational(1, 2).power2(Rational(1, 2)) # => Infinite Loop

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http://redmine.ruby-lang.org/issues/show/175

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