Scala SuperNumber

SuperNumber

implicit class SuperNumber[A](i: A)(implicit integral: Integral[A]) {
    import integral._
    import Numeric.Implicits._

    def squared: A = i * i
    def pow(m: Int) = math.pow(i.toDouble(), m)
    def **(m: Int) = pow(m)
    def sqrt = math.sqrt(i.toDouble())
    def isEven = dividesBy(2)
    def isOdd = !isEven
    def dividesBy(m: Int) = {
      i match {
        case n @ (_: Int | _: Long) => n.toLong() % m == 0
        case other => {
          val asDouble = other.toDouble()
          val asLong = other.toLong()
          if (asDouble == asLong) {
            asLong % m == 0
          } else {
            false
          }
        }
      }
    }
  }