#4250: [with patch, needs review] In QQ[t], 2**t should raise an error, but it
crashes
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Reporter: SimonKing | Owner: burcin
Type: defect | Status: assigned
Priority: major | Milestone: sage-3.2
Component: commutative algebra | Resolution:
Keywords: crash, polynomial ring, rationals |
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Changes (by burcin):
* owner: malb => burcin
* status: new => assigned
* summary: In QQ[t], 2**t should raise an error, but it crashes => [with
patch, needs review] In QQ[t], 2**t should
raise an error, but it crashes
Comment:
The segfault is caused by an infinite loop, where 2 is cast to a
polynomial and its `__pow__` method is called, and the polynomial ring
calls the `__pow__` method of the base ring on constant polynomials.
attachment:trac_4250_QQx_pow_segfault.3.patch (thanks trac for screwing up
the name again) fixes the issue.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4250#comment:2>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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