def power2(other)
if other.kind_of?(Rational)
if self < 0
return Complex(self, 0) ** other
elsif other == 0
return Rational(1,1)
elsif self == 0
return Rational(0,1)
elsif self == 1
return Rational(1,1)
end
dem = nil
x = self.denominator.to_f.to_i
neard = self.denominator.to_f ** (1.0/other.denominator.to_f)
loop do
if (neard**other.denominator == self.denominator)
dem = neaed
break
end
end
nearn = self.numerator.to_f ** (1.0/other.denominator.to_f)
Rational(num,den)
elsif other.kind_of?(Integer)
if other > 0
num = numerator ** other
den = denominator ** other
elsif other < 0
num = denominator ** -other
den = numerator ** -other
elsif other == 0
num = 1
den = 1
end
Rational.new!(num, den)
elsif other.kind_of?(Float)
Float(self) ** other
else
x , y = other.coerce(self)
x ** y
end
end