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317e16d471
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ConvertTight: Don't take any action on constraints with negative slack
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2021-01-07 11:03:02 -06:00 |
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ec00f7555a
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Export steps
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2021-01-07 10:34:38 -06:00 |
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d8dc8471aa
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Implement tests for ConvertTightIneqsIntoEqsStep
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2021-01-07 10:29:22 -06:00 |
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0377b5b546
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Minor changes to docstrings
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2021-01-07 10:08:14 -06:00 |
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191da25cfc
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Split relaxation.py into multiple files
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2021-01-07 10:01:04 -06:00 |
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144ee668e9
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Fix failing tests
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2021-01-07 09:41:55 -06:00 |
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c1b4ea448d
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PyomoSolver: Never query values of fixed variables
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2020-12-08 13:12:47 -06:00 |
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4a26de5ff1
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RelaxationComponent: Convert tight inequalities into equalities
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2020-12-05 21:11:08 -06:00 |
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5b5f4b7671
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InternalSolver: set_constraint_sense, set_constraint_rhs
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2020-12-05 21:09:35 -06:00 |
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8bb9996384
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Break down RelaxationComponent into multiple steps
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2020-12-05 20:34:29 -06:00 |
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6540c88cc5
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Component: Add default implementations to all methods
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2020-12-05 20:34:00 -06:00 |
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94b493ac4b
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Implement CompositeComponent
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2020-12-05 20:16:22 -06:00 |
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d99600f101
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Reformat source code with Black; add pre-commit hooks and CI checks
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2020-12-05 10:59:33 -06:00 |
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3823931382
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RelaxationComponent: max_iterations
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2020-12-04 10:30:55 -06:00 |
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0b41c882ff
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Merge branch 'feature/files' into dev
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2020-12-04 09:41:23 -06:00 |
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388b10c63c
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Train without loading all instances to memory
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2020-12-04 09:37:41 -06:00 |
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54d80bfa85
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RelaxationComponent: Implement check_dropped
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2020-12-04 09:33:46 -06:00 |
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51b5d8e549
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Component: rename iteration_cb and lazy_cb
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2020-12-04 08:35:43 -06:00 |
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e7426e445a
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Make tests compatible with Python 3.7+
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2020-12-03 12:00:32 -06:00 |
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57d185dfc2
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Merge branch 'gh-actions' into dev
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2020-12-03 11:46:38 -06:00 |
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272eb647fd
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Switch to GitHub runners; temporarily disable CPLEX
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2020-12-03 11:43:13 -06:00 |
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f03cc15b75
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Allow solve and parallel_solve to operate on files
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2020-10-08 17:48:08 -05:00 |
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1b6982ae8d
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Implement RelaxationComponent
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2020-10-08 15:03:17 -05:00 |
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3c4045f64b
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StaticLazy: Add tolerance to tests
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2020-10-05 11:44:51 -05:00 |
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4144b8b6b3
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Primal: In evaluate, skip variables without predictions
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2020-10-05 11:28:30 -05:00 |
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0cf88ded89
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LearningSolver: Silence logging during parallel_solve
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2020-10-05 11:27:43 -05:00 |
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92615958fb
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GurobiSolver: Flip upper/lower bound for minimization problems
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2020-10-05 11:27:19 -05:00 |
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b51c367257
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UserCutsComponent: ignore training instances without cut data
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2020-10-05 11:26:36 -05:00 |
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75570ceaeb
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Minor fixed to BenchmarkRunner
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2020-10-05 11:25:53 -05:00 |
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a221740ac5
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Implement lazy callbacks & two-phase gap
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2020-09-25 06:02:07 -05:00 |
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86e7b1981f
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Revert changes to default variable category
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2020-09-24 15:05:54 -05:00 |
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ba96338d2d
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Small fixes to lazy constraints
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2020-09-24 14:30:29 -05:00 |
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0fe6aab98f
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Modify Instance defaults
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2020-09-24 14:30:06 -05:00 |
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e527e75481
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Implement iteration_cb for LearningSolver; reactivate TSP
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2020-09-23 17:46:18 -05:00 |
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5390a5b656
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Rename LazyConstraintsComponent to DynamicLazyConstraintsComponent
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2020-09-23 17:34:19 -05:00 |
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425ea2b7cc
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Temporarily remove native solver callbacks; add iteration_cb
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2020-09-23 17:30:39 -05:00 |
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e731f46b72
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Implement preliminary version of static lazy component
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2020-09-23 14:27:17 -05:00 |
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5ccd65c809
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Remove empty tests
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2020-09-23 14:25:30 -05:00 |
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6b104433be
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Improve logging
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2020-09-15 08:46:49 -05:00 |
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25f336aac9
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Fix failing test
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2020-08-29 11:49:19 -05:00 |
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5663ced0be
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Move python files to root folder; remove built docs
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2020-08-29 11:42:02 -05:00 |
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7765d1f822
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Reorganize directories
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2020-03-05 17:58:56 -06:00 |
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303750a7dd
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Restore add_constraint method
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2020-03-05 16:15:11 -06:00 |
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19453f5ee5
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LearningSolver: only compute all_vars once
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2020-03-05 14:02:03 -06:00 |
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2750447f6d
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Use lazy constraints callback (Gurobi only)
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2020-03-05 13:58:46 -06:00 |
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72fc65cae0
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LazyConstraintsComponent: make threshold configurable
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2020-03-05 12:55:00 -06:00 |
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570ac09286
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Only relax binary variables; do not clear value of fixed variables
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2020-03-01 11:13:17 -06:00 |
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5eee00c626
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Plot predicted objective value
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2020-02-26 15:45:02 -06:00 |
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b609b4a0ee
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Include objective sense in benchmark file; update charts
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2020-02-26 13:28:16 -06:00 |
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0b04fa93da
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Finish TSP implementation; improve performance of Extractors
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2020-02-25 22:31:03 -06:00 |
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