| author | Christian Urban <christian.urban@kcl.ac.uk> | 
| Tue, 24 Nov 2020 21:22:31 +0000 | |
| changeset 809 | c909756486ee | 
| 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  | 
}  |