progs/collatz.scala
author Christian Urban <christian.urban@kcl.ac.uk>
Wed, 07 Oct 2020 09:08:55 +0100 (2020-10-07)
changeset 777 a10430cb797c
parent 407 4b454a6d1814
permissions -rw-r--r--
updated
def collatz(n: BigInt) : Boolean = {
  if (n == 1) true else 
  if (n % 2 == 0) collatz(n / 2) else 
  collatz(3 * n + 1)
}