| author | Christian Urban <urbanc@in.tum.de> |
| Sun, 21 May 2017 00:46:21 +0100 | |
| changeset 493 | 3506b1718c08 |
| parent 407 | 4b454a6d1814 |
| permissions | -rw-r--r-- |
|
407
4b454a6d1814
updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
1 |
def collatz(n: BigInt) : Boolean = {
|
|
4b454a6d1814
updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
2 |
if (n == 1) true else |
|
4b454a6d1814
updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
3 |
if (n % 2 == 0) collatz(n / 2) else |
|
4b454a6d1814
updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
4 |
collatz(3 * n + 1) |
|
4b454a6d1814
updated
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
5 |
} |