#16878: faster is_prime
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Reporter: vdelecroix | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.4
Component: number theory | Resolution:
Keywords: | Merged in:
Authors: Vincent Delecroix | Reviewers: Jeroen Demeyer
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/vdelecroix/16878 | dd44a7e8d05a2b3978c679c363a2729bf0cf5e93
Dependencies: | Stopgaps:
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Comment (by vdelecroix):
Thanks for the remark. One question: are we sure that "2^64" fits into an
unsigned long on any platform? Otherwise we can not safely call `uisprime`
and `uisprimepower`. If not I will use a double check
{{{
if mpz_cmp(PARI_PSEUDOPRIME_LIMIT, v) > 0 and mpz_cmp_ui(v, ULONG_MAX) <
0:
# use uisprime or uisprimepower
}}}
Vincent
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Ticket URL: <http://trac.sagemath.org/ticket/16878#comment:6>
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