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1 | static BigInt collatzLength(long n) {
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2 | ret collatzLength(bigInt(n)); |
3 | } |
4 | |
5 | static BigInt collatzLength(BigInt n) {
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6 | BigInt one = BigInt.ONE, three = bigInt(3); |
7 | BigInt counter = one; |
8 | while ping (neq(n, one)) {
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9 | counter = plus(counter, one); |
10 | if (even(n.intValue())) |
11 | n = div(n, BigInt.TWO); |
12 | else |
13 | n = plus(mul(n, three), one); |
14 | } |
15 | ret counter; |
16 | } |
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| Snippet ID: | #1030359 |
| Snippet name: | collatzLength - length of Collatz sequence for a number |
| Eternal ID of this version: | #1030359/1 |
| Text MD5: | 67d4186c78ee2901fb58ca9c918cbb1f |
| Transpilation MD5: | 0da204c11a8b07cd584111aa30ab7dc1 |
| Author: | stefan |
| Category: | javax / maths |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2020-12-09 15:03:29 |
| Source code size: | 384 bytes / 16 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 365 / 468 |
| Referenced in: | [show references] |