Mega Code Archive

 

Categories / Ruby / Number

 

Round a float

class Float   def roundf(places)     temp = self.to_s.length     sprintf("%#{temp}.#{places}f",self).to_f   end   def round2     whole = self.floor     fraction = self - whole     if fraction == 0.5       if (whole %2) == 0         whole       else         whole+1       end     else       self.round     end    end end