#21005: update pari to new upstream snapshot
-------------------------------------+-------------------------------------
Reporter: vdelecroix | Owner:
Type: enhancement | Status: needs_work
Priority: blocker | Milestone: sage-7.3
Component: packages: | Resolution:
standard |
Keywords: | Merged in:
Authors: Vincent | Reviewers: Volker Braun, Jeroen
Delecroix, Jeroen Demeyer | Demeyer, Vincent Delecroix
Report Upstream: N/A | Work issues:
Branch: public/21005 | Commit:
| 6b223cb4a2d2d2b6002d9fbd3a6fbcb7f14eb226
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Changes (by vdelecroix):
* status: needs_review => needs_work
Comment:
I got timeout in qqbar.py
Namely, on the current beta
{{{
sage: x = polygen(QQ)
sage: a = AA.polynomial_root(x^5 - (1-2^(-80)), RIF((0,2)))
sage: b = AA.polynomial_root(x^5 - (1+2^(-80)), RIF((0,2)))
sage: two = (a+b)^5 - 5*(a^4*b+a*b^4) - 10*(a^3*b^2+a^2*b^3)
sage: one_half = 1/two
sage: %time one_half.round()
CPU times: user 4.08 s, sys: 8 ms, total: 4.08 s
Wall time: 4.08 s
1
}}}
and with the updated pari release
{{{
sage: %time one_half.round() # hangs forever...
}}}
--
Ticket URL: <https://trac.sagemath.org/ticket/21005#comment:31>
Sage <http://www.sagemath.org>
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