Re: isprime() runtime jump between 10^18 and 10^20?
Aurel Page <[email protected]> Tue, 6 Jan 2026 21:24:07 +0100
| Newsgroups | gmane.comp.mathematics.pari.user |
|---|---|
| Message-ID | <[email protected]> |
On 06/01/2026 20:59, [email protected] wrote: > Thanks for the explanation. But long is a signed type, shouldn't the > transition from long to t_INT happen at +2^63? Indeed, I meant ulong. For primality testing the sign can be (and is therefore) discarded. Cheers, Aurel