#9401: pari(n).isprime(1) does not give the primality certificate to the user
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Reporter: zimmerma | Owner: AlexGhitza
Type: defect | Status: needs_work
Priority: major | Milestone: sage-5.13
Component: basic arithmetic | Resolution:
Keywords: prime number | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Changes (by pbruin):
* status: needs_review => needs_work
Comment:
In principle OK, but needs to be rebased on #15124.
Also, it would be much cleaner to call `new_gen()` instead of initialising
the `gen` and resetting the stack by hand:
{{{
#!python
cdef GEN x
pari_catch_sig_on()
x = gisprime(self.g, flag)
if typ(x) != t_INT:
# case flag=1 with prime input: x is the certificate
return True, P.new_gen(x)
else:
pari_catch_sig_off()
return bool(signe(x))
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/9401#comment:7>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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