Flowdock
method

power2

Importance_0
Ruby latest stable (v1_9_3_392) - 0 notes - Class: Rational

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v1_8_7_330) is shown here.

power2(other) public

No documentation

This method has no description. You can help the Ruby community by adding new notes.

Hide source
# File lib/mathn.rb, line 187
  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
Register or log in to add new notes.