#7931: Improved nth root for finite fields and integer_mods
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Reporter: roed | Owner: roed
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.6
Component: algebra | Keywords: finite fields, nth root
Author: David Roe | Upstream: N/A
Reviewer: Paul Zimmermann | Merged:
Work_issues: |
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Changes (by roed):
* status: needs_info => needs_review
Comment:
Ah. Now I understand why this problem only appeared with your latest test
program that used large moduli. The issue only occurs for
`mod(0,1).crt(a)` when `a` has type `IntegerMod_gmp`. So we didn't see it
for smaller moduli.
I've updated `7931_crt.patch`, and the doctest there does fail on my
unpatched `4.6.alpha1`.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7931#comment:33>
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