

@4468

3 years 
zbfried 
Fixed bug where ASL solvers wouldn't clean up .sol files after execution



@4462

3 years 
gabeh 
Removed unnecessary sos debug code from gurobi_direct.py



@4461

3 years 
gabeh 
Added support for sos1 and sos2 constraints to the gurobi python interface …



@4460

3 years 
zbfried 
Ducttape patch to allow passing of solver options to ASL solvers that …



@4459

3 years 
zbfried 
Quadratic constraints now work in the CPLEX direct python interface!



@4458

3 years 
gabeh 
Added support for sos1 and sos2 constraints to python interface for cplex …



@4457

3 years 
zbfried 
Quadratic objective functions supported in CPLEX Python interface  still …



@4454

3 years 
gabeh 
Added sosn capability to mirror the lp writer.



@4453

3 years 
gabeh 
'Set sos1 and sos2 capabilities to True.'



@4415

3 years 
tekl 
Update baselines for cplex, cbc tests



@4412

3 years 
jwatson 
More CPLEX diagnostic improvements.



@4411

3 years 
jwatson 
Further improvements to CPLEX infeasibility detection logic.



@4409

3 years 
jwatson 
Fixing CPLEX plugin issue when dual simplex indicates an infeasibility.



@4408

3 years 
jwatson 
Fixing CPLEX termination status issue in results objects  "unknown" was …



@4322

3 years 
tekl 
Check for existence of glpsol before using it for version check



@4321

3 years 
tekl 
Skip failing MIP test for GLPK 4.40  known bug



@4306

3 years 
jdsiiro 
Fix to the CBC plugin configuration so that it does not *always* report
an …



@4285

3 years 
tekl 
Implement del for memory cleanup



@4274

3 years 
wehart 
Tagging coopr.plugins 2.7.1



@4259

3 years 
wehart 
Documentation updates.



@4257

3 years 
wehart 
Extending GUROBI plugin to determine the upper bound (when minimizing)



@4201

3 years 
jwatson 
Tagging coopr.plugins 2.7



@4196

3 years 
claird 
added parsing of INTEGER EMPTY status from GLPK



@4191

3 years 
jwatson 
Fixing issue with incorrect objective function labels in the direct Python …



@4178

3 years 
wehart 
Migrating other releases subdirectories to tags.



@4169

3 years 
wehart 
Removing the stable branches in Coopr. These are not
being maintained, …



@4166

3 years 
jwatson 
Final fix to ipopt tests  they work and pass!



@4161

3 years 
wehart 
Reformatting with reindent



@4156

3 years 
jwatson 
Adding another ipopt test  this time from an instance. Exhibits the …



@4152

3 years 
jwatson 
Fixing stupid bug in ipopt test driver commit.



@4148

3 years 
jwatson 
A preliminary "does ipopt work" test. Currently only tests solve from an …



@4120

3 years 
wehart 
Reformatting with reindent



@4086

3 years 
jwatson 
Adding "verbose" keyword to pyro solver, so we can optionally (and by …



@4067

3 years 
wehart 
More agressive skipping of CPLEX tests. When cplexamp is available, there …



@4034

3 years 
wehart 
Recognize the subsolver option, which is translated to a 'solver' option.



@4031

3 years 
wehart 
A major rework of the solver interfaces. A metaclass is now used for all …



@4028

3 years 
wehart 
Bug fixes to the generic PICO solver interface.



@4027

3 years 
wehart 
Changes in plugins to simplify the solver specification.



@4025

3 years 
wehart 
Rework due to change in coopr.opt



@4020

3 years 
jwatson 
Minor speed improvements in the GUROBI plugin.



@4013

3 years 
jwatson 
Changes associated with the solution variable changes (SolutionMap? to …



@4006

3 years 
jwatson 
Adding missing import of string module, to fix ticket 4238  output …



@4001

3 years 
jwatson 
Label rework commit.



@3998

3 years 
jwatson 
Cleanup of the GUROBI plugin.



@3893

3 years 
wehart 
Tagging coopr.plugins 2.6.1



@3888

3 years 
wehart 
Merged revisions 38453887 via svnmerge from …



@3875

3 years 
claird 
Fixed a bug where symbol_map was not passed on from the NL writer



@3863

3 years 
wehart 
Tagging coopr.plugins 2.6



@3851

3 years 
wehart 
Removing references to pyutilib.logging, which has been deleted.



@3845

3 years 
wehart 
Merged revisions 33833844 via svnmerge from …



@3833

3 years 
wehart 
Update to gurobi test4 baseline.



@3824

3 years 
wehart 
Updating baseline.



@3816

3 years 
wehart 
Removing the problem name from this test.



@3814

3 years 
wehart 
Updates for gurobi.



@3810

3 years 
wehart 
Updating gurobi solver interface.



@3808

3 years 
wehart 
Solver interface updates...
CPLEXDirect still doesn't work properly, …



@3806

3 years 
wehart 
Changing solver interfaces to use default_objective for the
objective …



@3804

3 years 
wehart 
Updating the CPLEX solver to use default_objective for the
objective …



@3802

3 years 
wehart 
Update of MIP test baselines.
Fix to PICO logic when no constraint data …



@3797

3 years 
wehart 
Changes to get glpk and cbc solver interfaces working.



@3786

3 years 
wehart 
Changes to make GLPK work with an objective name other than 'f'.



@3785

3 years 
wehart 
Change to return the symbol_map when writing an LP file from Pyomo.



@3778

3 years 
jwatson 
Improving diagnostic information when GUROBI solver plugin fails to load …



@3773

3 years 
jwatson 
Modifying GUROBI plugin to accept .* suffix match template.



@3772

3 years 
jwatson 
Removing cplexdirect from the mip plugin test suite. The direct plugin …



@3768

3 years 
wehart 
PICO fixes. Setting up the correct variable/constraint breakdown.
…



@3767

3 years 
wehart 
Misc change in ASL due to change in options (since the
coopr.opt.Solver …



@3761

3 years 
wehart 
Update to results baselines, due to recent changes in
solver drivers.



@3755

3 years 
wehart 
Updates to solver plugins to set the solver termination status.
Update to …



@3754

3 years 
wehart 
Reverting a change that JP recently made, which caused the '.*' suffix RE …



@3747

3 years 
wehart 
Change tests to eliminate the use of deprecated 'fail*' syntax.



@3735

3 years 
jwatson 
Flushing out suffix support for Gurobi solver plugin.



@3734

3 years 
jwatson 
Cleaning up some suffix processing logic in the CPLEX solver plugin.



@3685

3 years 
wehart 
Changing support for mipgap, which is now supported as a solver
option.



@3673

3 years 
wehart 
Removing debug flag for Pyomo tests.



@3671

3 years 
wehart 
Bug fix: Use debug option rather than debug=errors



@3670

3 years 
wehart 
Change to use logger instead of Logger



@3664

3 years 
wehart 
Adding conditional import of pyutilib.logging



@3645

3 years 
khunter 
Forgot to complete a name refactor



@3632

3 years 
wehart 
Bug fix.



@3618

3 years 
wehart 
Move initialization of coopr.plugins logging information out of
this …



@3610

3 years 
jwatson 
Fixing Var,VarStatus? import created by a recent reorg commit.



@3609

3 years 
jwatson 
Missing import of Var in CPLEX plugin, due to recent reorg.



@3607

3 years 
wehart 
A variety of solver changes, mostly to handle suffix options
within the …



@3602

3 years 
wehart 
Removing coopr.pyomo imports. These create a
circular dependency, which …



@3576

3 years 
khunter 
Changes:
 Reorder problem formats, per JP's note that cpxlp is the …



@3574

3 years 
khunter 
Add an experimental new GLPK parser. This one instructs GLPK to turn …



@3538

3 years 
wehart 
Fixing a bug that was introduced by Keiths 'drive by cleanup'.



@3529

3 years 
khunter 
Do not set the mipgap if none has been specified.



@3528

3 years 
khunter 
NFC: mild refactor



@3522

3 years 
khunter 
Introduction of the Coopr plugin to directly talk to Gurobi. Note that …



@3521

3 years 
khunter 
Initialize _timelimit



@3520

3 years 
khunter 
* remove unused import (from original hollowing out of another code base) …



@3519

3 years 
khunter 
Enable user to choose one of the GLPK implemented algorithms.
* Update …



@3518

3 years 
khunter 
Add MIP support to the GLPKDirect plugin.



@3517

3 years 
khunter 
Binary variables *are* integer variables.
Correct that oversight in the …



@3516

3 years 
khunter 
Follow class naming convention, add TODO about adding MockMIPGLPKDirect



@3515

3 years 
khunter 
Minor glpk_direct plugin cleanup
* If solution is infeasible, make it …



@3495

3 years 
wehart 
Fixes for the pyomo test driver.



@3488

3 years 
khunter 
Forgot to munge the bounds with the offset.
 added the memory used by …


