method

**

v1_8_7_330 - Show latest stable - 0 notes - Class: Rational

1_8_6_287 (0)
1_8_7_72 (0)
1_8_7_330 (27)
1_9_1_378 (-27)
1_9_2_180 (38)
1_9_3_125 (0)
1_9_3_392 (0)
What's this?

**(other) public

Returns this value raised to the given power.

Examples:

r = Rational(3,4)    # -> Rational(3,4)
r ** 2               # -> Rational(9,16)
r ** 2.0             # -> 0.5625
r ** Rational(1,2)   # -> 0.866025403784439

Show source

# File lib/rational.rb, line 220
  def ** (other)
    if other.kind_of?(Rational)
      Float(self) ** other
    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

**

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