#17184: Upgrade to Singular-3-1-7
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Reporter: jdemeyer | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.4
Component: packages: | Resolution:
standard | Merged in:
Keywords: | Reviewers:
Authors: Jean-Pierre Flori | Work issues:
Report Upstream: N/A | Commit:
Branch: | cdedfc61ca715961acca343dea87e7e5c1163063
u/jpflori/ticket/17184 | Stopgaps:
Dependencies: |
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Comment (by jpflori):
Looking at the failing example in
`src/sage/schemes/plane_curves/constructor.py`, which is a call to `genus`
going through Singular, it seems that there are three creations of
`SingularFunction` objects:
* twice `normal__lib`;
* then `genus`.
Somehow the global `currRingHdl` is set back to zero when the second
`normal__lib` object is created.
This was not the case with 3.1.6.
(I'm just discovering the way Singular internally works, so my description
may seem naive and wrong.)
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Ticket URL: <http://trac.sagemath.org/ticket/17184#comment:15>
Sage <http://www.sagemath.org>
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