#13759: bug in gerepile, significant pointers lost
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Reporter: zimmerma | Owner: malb
Type: defect | Status: new
Priority: major | Milestone: sage-5.5
Component: commutative algebra | Resolution:
Keywords: PARI | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by leif):
Replying to [comment:1 leif]:
> FWIW, same happens with Sage 5.0... ;-)
But:
{{{
$ ../sage-4.7.2/sage
----------------------------------------------------------------------
| Sage Version 4.7.2, Release Date: 2011-10-29 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: sage: R.<t> = GF(2)[]
sage: sage: S.<x> = R[]
sage: sage: f=x^6 + (t^8 + t + 1)*x + t^6 + t^5 + t^3 + t
sage: sage: f.discriminant()
t^48 + t^36 + t^24 + 1
sage:
Exiting Sage (CPU time 0m0.20s, Wall time 0m30.96s).
Exiting spawned Gap process.
$ ../sage-4.8/sage
----------------------------------------------------------------------
| Sage Version 4.8, Release Date: 2012-01-20 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: sage: R.<t> = GF(2)[]
sage: sage: S.<x> = R[]
sage: sage: f=x^6 + (t^8 + t + 1)*x + t^6 + t^5 + t^3 + t
sage: sage: f.discriminant()
t^48 + t^36 + t^24 + 1
sage:
Exiting Sage (CPU time 0m0.19s, Wall time 0m24.42s).
Exiting spawned Gap process.
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13759#comment:2>
Sage <http://www.sagemath.org>
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