#7240: factorization of Cunningham numbers - applications
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Reporter: ylchapuy | Owner: tbd
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.3.1
Component: algebra | Keywords:
Work_issues: | Author: Yann Laigle-Chapuy
Upstream: N/A | Reviewer: John Cremona
Merged: |
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Changes (by cremona):
* status: needs_review => needs_work
* reviewer: => John Cremona
* upstream: => N/A
Comment:
The patch applies fine to 4.3.rc0 after installing the optional spkg at
#7239 and the patch there, and tests pass. Good doctests included.
BUT in both places where _cunningham_prime_factors() is called, a run-time
error will be raised if the optional database is not installed. If the
database is really going to be optional then these calls must be wrapped
with try/except, otherwise people who have not installed the optional
package will find lots of their code fails.
Hence: needs work.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7240#comment:4>
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