#16490: Create a linear programming backend for cvxopt
-------------------------------------+-------------------------------------
Reporter: ingolfured | Owner: ingolfured
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-6.3
Component: linear | Resolution:
programming | Merged in:
Keywords: | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | 470d0cb5193d7d7f4118a20ea45791ddaef1aa9b
u/ingolfured/create_a_linear_programming_backend_for_cvxopt| Stopgaps:
Dependencies: |
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Comment (by dimpase):
and another easy to fix thing:
{{{
sage -t src/sage/numerical/backends/generic_backend.pyx
**********************************************************************
File "src/sage/numerical/backends/generic_backend.pyx", line 913, in
sage.numerical.backends.generic_backend.default_mip_solver
Failed example:
default_mip_solver("Yeahhhhhhhhhhh")
Expected:
Traceback (most recent call last):
...
ValueError: 'solver' should be set to 'GLPK', 'Coin', 'CPLEX',
'CVXOPT', 'Gurobi', 'PPL' or None.
Got:
<BLANKLINE>
Traceback (most recent call last):
File "/home/scratch/dimpase/sage/sage-6.3.beta2/local/lib/python2.7
/site-packages/sage/doctest/forker.py", line 480, in _run
self.execute(example, compiled, test.globs)
File "/home/scratch/dimpase/sage/sage-6.3.beta2/local/lib/python2.7
/site-packages/sage/doctest/forker.py", line 839, in execute
exec compiled in globs
File "<doctest
sage.numerical.backends.generic_backend.default_mip_solver[3]>", line 1,
in <module>
default_mip_solver("Yeahhhhhhhhhhh")
File "generic_backend.pyx", line 975, in
sage.numerical.backends.generic_backend.default_mip_solver
(build/cythonized/sage/numerical/backends/generic_backend.c:7373)
ValueError: 'solver' should be set to 'GLPK', 'Coin', 'CPLEX',
'Gurobi', 'CVXOPT', 'PPL' or None.
}}}
here the problem is that the output does not match the doctest, as in the
doctest the order of solvers is different : CVXOPT and Gurobi are swapped.
--
Ticket URL: <http://trac.sagemath.org/ticket/16490#comment:30>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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