#19525: Improve GLPK error handling
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Reporter: jdemeyer | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.10
Component: cython | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers:
Report Upstream: Reported | Work issues:
upstream. No feedback yet. | Commit:
Branch: | f808061d3d4cbaf2bd0cfe42f25fb67b5131a302
u/jdemeyer/improve_glpk_error_handling| Stopgaps:
Dependencies: #19527 |
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Description changed by jdemeyer:
Old description:
New description:
This ticket adds a proper error handler for GLPK (similar to what we
already have for PARI, NTL, ...). It suffices to add
`sig_on()`/`sig_off()` around a GLPK call to get an error message.
Some more cleanup is also done:
1. change the implementation of `MIPSolverException` to just inherit from
`RuntimeError` without any custom implementation.
2. use `MemoryAllocator` in a few places to make some allocations safer.
This branch requires a patch to GLPK which has been submitted upstream.
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Ticket URL: <http://trac.sagemath.org/ticket/19525#comment:6>
Sage <http://www.sagemath.org>
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