#5994: singular.version() yields an error when first called, has no doctest, and
has a strange output imo
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Reporter: SimonKing | Owner: was
Type: defect | Status: needs_info
Priority: major | Milestone: sage-4.3.1
Component: interfaces | Keywords: singular version
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by SimonKing):
* status: needs_review => needs_info
Comment:
OK, meanwhile I built sage-4.3.1.rc1
The patch applies cleanly.
However, I don't like the doc tests, and I think the return value is
wrong.
The tests check that the first version number is 3. OK, it will eventually
change, but not in the near future.
Then they test that the version number is of length 3. Can we rely on it?
There used to be two-digit versions.
In fact, the "official" version number seems to be four digits, not three:
{{{
sage: singular.eval('system("version")')
'3104'
}}}
Hence, the first return value of singular.version() should be (3,1,0,4)
not (3,1,0).
Note that according to the Singular homepage there is a version 3-1-0-6
available, so, the last digit does play a role.
So, my questions are:
* How important is it to have doc tests that remain valid if the Singular
version changes?
* Do we take the patch level version number of Singular serious?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5994#comment:13>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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