class Float
Public Instance Methods
to_r()
click to toggle source
# File lib/kgl/kmath.rb, line 17 def to_r str=self.to_s (decimal,power)=str.split(/e/) (integer,decimal)=decimal.split(/\./) length=decimal.length numerator=integer.to_i*10**length+decimal.to_i denominator=10**length power=power.to_i if power>0 numerator*=10**power else denominator*=10**(-power) end return Rational(numerator,denominator) end