#18127: Optional package lrs-4.2b.p1.spkg needs updating
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Reporter: yzh | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.6
Component: packages: | Resolution:
optional | Merged in:
Keywords: lrs, redund | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | 29405f65b2b739370ce050c6895aebeb29492fc4
u/mkoeppe/optional_package_lrs_4_2b_p1_spkg_needs_updating| Stopgaps:
Dependencies: |
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Old description:
> The current Sage optional package lrs refers to the version 4.2b released
> on 2006.2.14. A few bugs have been reported and fixed since then. In
> particular, I encountered a bug when calling the {{{redund}}} function
> provided by lrs-4.2b.p1.spkg to an H-representation input file which
> contains redundant linearities.
> The latest version lrslib-051.tar.gz available at
> http://cgm.cs.mcgill.ca/~avis/C/lrs.html solves the problem and is much
> faster.
>
> Update 6/13/2015:
> The upstream package directory disappeared, gives 404.
> Upstream packages can be found at:
> http://pkgs.fedoraproject.org/lookaside/pkgs/lrslib/
New description:
The current Sage optional package lrs refers to the version 4.2b released
on 2006.2.14. A few bugs have been reported and fixed since then. In
particular, I encountered a bug when calling the {{{redund}}} function
provided by lrs-4.2b.p1.spkg to an H-representation input file which
contains redundant linearities.
The latest version lrslib-051.tar.gz available at
http://cgm.cs.mcgill.ca/~avis/C/lrs.html solves the problem and is much
faster.
Update 6/13/2015:
The upstream package directory disappeared, gives 404.
Upstream packages can be found at:
http://pkgs.fedoraproject.org/lookaside/pkgs/lrslib/
Upstream tarball, via Fedora:
http://pkgs.fedoraproject.org/lookaside/pkgs/lrslib/lrslib-051.tar.gz/cca323eee8bf76f598a13d7bf67cc13d/lrslib-051.tar.gz
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Comment (by mkoeppe):
Thanks, Nathan, for your helpful comments.
As far as I know, lrs has, since version 4.0 (2000), only been released in
the form of lrslib. Since that version, the upstream tarball has always
been called lrslib-VERSION.tar.gz, where 4.0 is rendered as 040 and 4.2b
as 042b etc.
See
https://web.archive.org/web/20140506162045/http://cgm.cs.mcgill.ca/~avis/C/lrslib/archive/
The website is indeed a bit unclear.
I'll update the doctests and remove the changelog.
--
Ticket URL: <http://trac.sagemath.org/ticket/18127#comment:10>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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