#20446: GLPKExactBackend - a variation on GLPKBackend that sets a solver
parameter
and signals errors on integer variables
-------------------------------------+-------------------------------------
Reporter: mkoeppe | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-7.2
Component: numerical | Resolution:
Keywords: lp | Merged in:
Authors: Matthias Koeppe | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/mkoeppe/glpkexactbackend___a_variation_on_glpkbackend_that_sets_a_solver_parameter_and_signals_errors_on_integer_variables|
e7a2bd7d86034b16c8407ae534d75c39956edbf4
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Comment (by dimpase):
here is what I see in `backends/generic_backend.pyx`
{{{
<<<<<<< HEAD
raise ValueError("'solver' should be set to 'GLPK', 'Coin',
'CPLEX', 'CVXOPT', 'Gurobi', 'PPL', 'InteractiveLP', None (in which case
the default one is used), or a callable.")
=======
raise ValueError("'solver' should be set to 'GLPK', 'GLPK/exact',
'Coin', 'CPLEX', 'CVXOPT', 'Gurobi', 'PPL', 'InteractiveLP', or None (in
which case the default one is used).")
>>>>>>> e7a2bd7d86034b16c8407ae534d75c39956edbf4
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/20446#comment:12>
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