#10785: Setting solver-specific options
-------------------------------------+--------------------------------------
Reporter: ncohen | Owner: ncohen
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.8
Component: linear programming | Keywords:
Work_issues: | Upstream: N/A
Reviewer: Johannes Klaus Fichte | Author: Nathann Cohen
Merged: | Dependencies:
-------------------------------------+--------------------------------------
Changes (by jdemeyer):
* status: positive_review => needs_work
Comment:
I get a doctest failure:
{{{
sage -t -force_lib devel/sage/sage/numerical/mip.pyx
Writing problem data to
`/scratch/jdemeyer/merger/sage-4.8.alpha5/home/.sage//temp/sage.math.washington.edu/18491//lp_problem.mps'...
17 records were written
Writing problem data to
`/scratch/jdemeyer/merger/sage-4.8.alpha5/home/.sage//temp/sage.math.washington.edu/18491//lp_problem.lp'...
9 lines were written
**********************************************************************
File "/mnt/usb1/scratch/jdemeyer/merger/sage-4.8.alpha5/devel/sage-
main/sage/numerical/mip.pyx", line 1393:
sage: p.solver_parameter("CPX_PARAM_TILIM", 60)
Exception raised:
Traceback (most recent call last):
File
"/mnt/usb1/scratch/jdemeyer/merger/sage-4.8.alpha5/local/bin/ncadoctest.py",
line 1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File
"/mnt/usb1/scratch/jdemeyer/merger/sage-4.8.alpha5/local/bin/sagedoctest.py",
line 38, in run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File
"/mnt/usb1/scratch/jdemeyer/merger/sage-4.8.alpha5/local/bin/ncadoctest.py",
line 1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_27[4]>", line 1, in <module>
p.solver_parameter("CPX_PARAM_TILIM", Integer(60))###line 1393:
sage: p.solver_parameter("CPX_PARAM_TILIM", 60)
File "mip.pyx", line 1414, in
sage.numerical.mip.MixedIntegerLinearProgram.solver_parameter
(sage/numerical/mip.c:7302)
self._backend.solver_parameter(name, value)
File "glpk_backend.pyx", line 1101, in
sage.numerical.backends.glpk_backend.GLPKBackend.solver_parameter
(sage/numerical/backends/glpk_backend.cpp:7916)
ValueError: This parameter is not available.
**********************************************************************
1 items had failures:
1 of 9 in __main__.example_27
***Test Failed*** 1 failures.
For whitespace errors, see the file
/scratch/jdemeyer/merger/sage-4.8.alpha5/home/.sage/tmp/sage.math.washington.edu-11856/mip_18486.py
[3.2 s]
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10785#comment:13>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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