#20693: Sage crashes when inverting/dividing large number field elements
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Reporter: ehlen | Owner:
Type: defect | Status: needs_review
Priority: critical | Milestone: sage-7.3
Component: number fields | Resolution:
Keywords: | Merged in:
Authors: Stephan Ehlen | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/ehlen/sage_crashes_when_computing_newforms|
a26dd5fd1a0e12c05e3b02f0715a11705f21e04c
Dependencies: | Stopgaps:
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Changes (by pbruin):
* component: modular forms => number fields
Comment:
Changing the summary and component of this ticket to reflect the fact that
this is purely a bug in the number field code.
Is there a doctest to check that `Newforms` now works correctly that takes
less time? (It takes about 5 minutes on the system that I tested this
on.) Alternatively, would you agree with just removing this doctest
(given that the bug is in `NumberFieldElement`)?
The current branch just fixes inversion; division is still susceptible to
the same bug. I will upload a commit that fixes `_div_()` in a similar
way, and gets rid of the `_invert_c_()` method.
--
Ticket URL: <http://trac.sagemath.org/ticket/20693#comment:38>
Sage <http://www.sagemath.org>
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