v1.50.0

MathOptInterface v1.50.0

Diff since v1.49.0

Merged pull requests:

• Use ParallelTestRunner.jl to parallelize the tests (#2932) (@odow)
• Add LDLFactorizations.jl as a package extension (#2933) (@odow)
• Fix isapprox for ScalarNonlinearFunction and comparison to Number (#2934) (@odow)
• Remove Julia 1-ubuntu-latest-x64 from CI (#2935) (@odow)
• Add an explicit test for method redefinitions instead of parsing logs (#2936) (@odow)
• [FileFormats.NL] add support for defined variables (#2938) (@odow)
• [docs] minor formatting changes (#2939) (@odow)
• [FileFormats.MPS] improve performance of parsing each line (#2940) (@odow)
• [FileFormats.MPS] allow the RHS name to be optional when reading (#2942) (@odow)
• [Bridges] fix print_active_bridges for some constrained variable cases (#2943) (@odow)
• [FileFormats] throw a nicer error on unsupported keyword arguments (#2946) (@odow)
• [FileFormats] add ;generic_names support to LP and MOF file formats (#2947) (@odow)
• [Bridges] fix missing operate in various map_function (#2948) (@odow)
• Install Dependabot (#2949) (@giordano)
• Bump julia-actions/cache from 1 to 2 (#2950) (@dependabot[bot])
• Bump actions/setup-python from 2 to 6 (#2951) (@dependabot[bot])
• Bump codecov/codecov-action from 4 to 5 (#2952) (@dependabot[bot])
• Bump actions/checkout from 4 to 6 (#2953) (@dependabot[bot])
• Bump actions/upload-artifact from 4 to 6 (#2954) (@dependabot[bot])
• Prep for v1.50.0 (#2955) (@odow)
• Fix error message for LDL factorization failures (#2956) (@odow)
• Bump actions/upload-artifact from 6 to 7 (#2958) (@dependabot[bot])
• Fix Cholesky decompoosition error when given different element type (#2959) (@odow)
• Use ParallelTestRunner on x86 (#2960) (@odow)
• [Bridges] wrap compute_sparse_sqrt in a try-catch (#2961) (@odow)
• [Bridges] fix bug with open intervals in SemiToBinaryBridge (#2963) (@odow)
• [Utilities] add support for relaxing vector constraints (#2966) (@odow)
• Bump julia-actions/cache from 2 to 3 (#2968) (@dependabot[bot])
• [Test] add a new test for solving a multiobjective problem (#2970) (@odow)
• Revert LDLFactorizations package extension (#2972) (@odow)
• Fix deletion before final_touch (#2974) (@blegat)
• Implement scalar coefficient change for MatrixOfConstraints (#2975) (@blegat)
• Rethrow for bounds error when modifying constant vector (#2976) (@blegat)
• Modify vector constraints for MatrixOfConstraints (#2977) (@blegat)

Closed issues:

• Sparse LDL for QuadtoSOC (#1971)
• Make a multi-threaded test harness (#2883)
• [FileFormats.MPS] slowing reading of .mps file (#2888)
• [FileFormats.NL] support common subexpressions (#2937)
• Failure to read Netlib MPS file (#2941)
• [FileFormats] Support ; generic_names in all relevant file formats (#2945)
• Inf in Semiinteger and Semicontinuous sets (#2962)

v1.49.0

MathOptInterface v1.49.0

Diff since v1.48.0

Merged pull requests:

• Allow creating model from parts (#2902) (@blegat)
• [docs] fix duplicated anchor links (#2905) (@odow)
• Explain reformulation for SOS1ToMILP (#2906) (@blegat)
• Fix various errors found by JET (#2908) (@odow)
• Change error msg for GetAttributeNotAllowed when is_set_by_optimize (#2910) (@odow)
• Improve type stability of more functions for JET (#2911) (@odow)
• [Utilities] add distance_to_set for VectorNonlinearOracle (#2914) (@odow)
• Implement extract_function for transpose matrix (#2915) (@blegat)
• [FileFormats.NL] add support for MOI.Complements (#2916) (@odow)
• [FileFormats.MOF] replace JSON3 by JSON.jl (#2918) (@odow)
• Allow JSON@0.21 (#2919) (@odow)
• [Bridges] add SplitComplexIndicatorEqualToBridge (#2921) (@odow)
• [Utilities] add distance_to_set for MOI.Indicator (#2923) (@odow)
• [Utilities] add distance_to_set for more sets (#2925) (@odow)
• [Utilities] add distance_to_set for more sets (#2926) (@odow)
• [Utilities] fix support for complex values in Indicator distance_to_set (#2927) (@odow)
• Prep for v1.49.0 (#2928) (@odow)
• [Utilities] fix bug converting MutableSparseMatrixCSC to SparseMatrixCSC (#2929) (@odow)
• Install torch_geometric for solver-tests.yml (#2930) (@odow)

Closed issues:

• [FileFormats.NL] add support for Complements set (#2879)
• JET.jl identifies many problems (#2907)
• GetAttributeNotAllowed when is_set_by_optimize (#2909)
• Distance to VectorNonlinearOracle (#2912)
• Revert to JSON from JSON3? (#2917)
• Indicator constraint support for complex-valued equality constraints (#2920)
• primal_feasibility_report fails with indicator constraints in distance_to_set (#2922)
• Sets which do not implement distance_to_set (#2924)

v1.48.0

MathOptInterface v1.48.0

Diff since v1.47.0

Merged pull requests:

• Add MOI.LagrangeMultiplier attribute (#2890) (@odow)
• Fix a typo in CountBelongs doc (#2895) (@dourouc05)
• [Nonlinear.ReverseAd.Coloring] fix acyclic coloring algorithm (#2898) (@odow)
• [Test] allow skipping ConstraintDual in test_vector_nonlinear_oracle_ (#2899) (@odow)
• Prep for v1.48.0 (#2900) (@odow)
• [docs] clarify that new sets must not contain references to variables (#2901) (@odow)

Closed issues:

• The dual of VectorNonlinearOracle (#2887)
• Documentation suggestions (#2896)
• AssertionError: k == rinfo.nnz + N (#2897)

v1.47.0

MathOptInterface v1.47.0

Diff since v1.46.0

Merged pull requests:

• [Bridges] fix ConstraintConflictStatus in added_constrained_variable_types (#2871) (@odow)
• Remove DSDP from solver-tests.yml (#2872) (@odow)
• Add the package UnoSolver.jl in solver_tests.yml (#2873) (@amontoison)
• Fix dimension of VectorNonlinearOracle in test and docstring (#2874) (@odow)
• [Utilities] allow penalty relaxation for ScalarNonlinear constraints (#2875) (@Robbybp)
• [docs] improve docstring of VectorNonlinearOracle (#2876) (@odow)
• [docs] fix duplicated anchors (#2878) (@odow)
• Remove KNITRO environment variables from solver-tests (#2880) (@odow)
• [docs] skip link check for sourceforge (#2881) (@odow)
• refined hessian sparsity detection (#2882) (@mlubin)
• [docs] add a contributing page to the developer documentation (#2884) (@odow)
• [Nonlinear] add amontoison's Forest type and remove DataStructures.jl (#2885) (@odow)
• [docs] Fix LaTeX alignement in example of VectorNonlinearOracle docstring (#2886) (@franckgaga)
• distance_to_set supports Parameter set (#2889) (@guimarqu)
• Prep for v1.47.0 (#2891) (@odow)
• [FileFormats.MPS] allow AbstractString when parsing MPS files (#2892) (@odow)
• Typo fix in comment (#2894) (@blegat)

Closed issues:

• [Nonlinear] sparsity pattern of Hessian with :(x * y) (#2527)
• Bridges lie about ConstraintConflictStatus (#2870)
• Documentation breakage with upcoming Documenter.jl release (#2877)

v1.46.0

MathOptInterface v1.46.0

Diff since v1.45.0

Merged pull requests:

• Add nospecialize to some very highly specialized methods (#2830) (@odow)
• [docs] fix spelling of juxtaposed (#2855) (@odow)
• [Bridges] fix IndicatorToMILPBridge when z is not binary (#2857) (@odow)
• [docs] fix output nodes of SquareBridge (#2858) (@joaquimg)
• Add VectorNonlinearOracle set (#2860) (@odow)
• [Bridges] throw GetAttributeNotAllowed in ZerosBridge (#2863) (@odow)
• Test CI with JSON@1 (#2864) (@odow)
• Prep for v1.46.0 (#2865) (@odow)
• [Bridges] throw MOI error subtypes instead of Base.error() (#2866) (@odow)
• [Bridges] fix supports_constraint for IndicatorToMILPBridge (#2868) (@odow)

Closed issues:

• Too many MethodInstances (#2829)
• [Bridges] no error thrown when IndicatorToMILPBridge does not imply first variable is binary (#2856)
• [Bridges] throw GetAttributeNotAllowed in ZerosBridge instead of general error (#2861)
• Caches that are not caches (#2862)
• supports_constraint can be wrong (#2867)
• Add support for non-square matrix sets in @product_of_sets (#2869)

v1.45.0

MathOptInterface v1.45.0

Diff since v1.44.0

Merged pull requests:

• fix type instability in set_dot (#2831) (@araujoms)
• Add ToScalarNonlinearBridge (#2834) (@LukasBarner)
• [Bridges] restrict when ToScalarNonlinearBridge applies and simplify tests (#2835) (@odow)
• [Bridges] add support for querying ConstraintConflictStatus (#2839) (@odow)
• [FileFormats.LP] write a proper recursive descent parser (#2840) (@odow)
• [FileFormats.LP] some renaming in the LP reader (#2841) (@odow)
• [FileFormats.LP] fix handling of required new lines (#2842) (@odow)
• [FileFormats.LP] fix type stability of LP reader (#2843) (@odow)
• [FileFormats.LP] move Base.write to separate file (#2844) (@odow)
• [FileFormats.MPS] split into files for Base.read! and Base.write (#2845) (@odow)
• [FileFormats.LP] remove lowercase usage to reduce allocations (#2846) (@odow)
• [FileFormats.LP] allow newline in term and improve keyword identification (#2847) (@odow)
• [FileFormats.LP] add a documentation page and refactor some names (#2848) (@odow)
• [FileFormats.MPS] throw a proper ParseError on read failure (#2849) (@odow)
• [docs] temporarily pin OpenSSL_jll to work around upstream bug (#2850) (@odow)
• Prep for v1.45.0 (#2851) (@odow)
• [FileFormats.LP] add explicit tests for the ParseError messages (#2852) (@odow)
• [FileFormats.LP] Add some keywords without surrounding new lines (#2853) (@odow)
• Revert #2850 (#2854) (@odow)

Closed issues:

• [FileFormats.LP] write a proper parser (#2351)
• Missing bridge to ScalarNonlinearFunction in Objective (#2833)
• [FileFormats.LP] Size Limit for read_from_file (#2836)
• [Bridges] support ConstraintConflictStatus (#2838)

v1.44.0

MathOptInterface v1.44.0

Diff since v1.43.0

Merged pull requests:

• [Bridges] add support for VariableName in variable bridges (#2822) (@odow)
• [Utililties] fix dual objective value with open intervals (#2823) (@odow)
• Remove use of deprecated IntDisjointSets (#2824) (@odow)
• [Utilities] simplify _dual_objective_value (#2826) (@odow)
• Prep for v1.44.0 (#2827) (@odow)
• Re-enable support for DataStructures@0.18 (#2828) (@odow)

Closed issues:

• Printing models with parameters (#2762)

v1.43.0

MathOptInterface v1.43.0

Diff since v1.42.1

Merged pull requests:

• Add OPF benchmark (#2739) (@blegat)
• [Bridges] Add Interval to HyperRectangle constraint bridge (#2754) (@blegat)
• Add ConflictCount and conflict_index to ConstraintConflictStatus (#2775) (@joaquimg)
• Support DataStructures@0.19 (#2796) (@odow)
• [FileFormats.MPS] allow any whitespace as a separator between fields (#2798) (@odow)
• [Nonlinear] parse x*x as x^2 in Nonlinear.Model (#2799) (@odow)
• [Utilities] fix backwards compat of ConflictCount in MockOptimizer (#2800) (@odow)
• Typo in comment : writte -> written (#2801) (@blegat)
• Fix duplicate test with same name (#2804) (@blegat)
• Add a test that methods are not overwritten in test modules (#2805) (@odow)
• Get back to 100% code coverage (#2806) (@odow)
• [Utilities] fix quadratic operate with non-Int coefficient (#2807) (@odow)
• Prep for v1.43.0 (#2808) (@odow)
• Fix ConstraintDual transformation for SplitHyperRectangleBridge (#2809) (@blegat)
• Filter identity_bridge.jl out from runtests (#2812) (@blegat)
• [FileFormats] fix and test MOI.supports of MOI.ObjectiveFunction (#2814) (@odow)
• Fix SplitHyperRectangleBridge with all free rows (#2816) (@odow)
• [Bridges] fix deleting variable with constraint bridges (#2818) (@odow)
• [Utilities] fix a Utilities.AbstractModel with no constraints (#2819) (@odow)

Closed issues:

• [FileFormats.MPS] MIPLIB collection errors (#2797)
• [FileFormats] error properly on vector-valued objectives (#2813)
• SpliltHyperRectangleBridge can add 0-dim constraint (#2815)
• Deletion bug in bridges (#2817)
• supports names in bridged models is inconsistent ? (#2820)

v1.42.1

MathOptInterface v1.42.1

Diff since v1.42.0

Merged pull requests:

• Add more packages to solver-tests.yml (#2785) (@odow)
• [FileFormats.MPS] test that duplicate entries are summed (#2787) (@odow)
• Fix docstring of inverse_trimap (#2790) (@blegat)
• Remove useless prefix in set_dot (#2791) (@blegat)
• [FileFormats.MPS] fix reading models with extra ROWS fields (#2793) (@odow)
• Prep for v1.42.1 (#2794) (@odow)

Closed issues:

• [FileFormats.MPS] test repeated coefficients in MPS file (#2786)
• [FileFormats.MPS] unable to parse rvb-sub.mps (#2792)

v1.42.0

MathOptInterface v1.42.0

Diff since v1.41.0

Merged pull requests:

• Optionally disable warn on PenaltyRelaxation (#2774) (@joaquimg)
• [FileFormats.MPS] fix writing objective constant in MAX_SENSE (#2778) (@odow)
• Fix change in Expr == for Julia nightly (#2780) (@odow)
• [Nonlinear.ReverseAD] fix performance bug in Hessian computation (#2783) (@odow)
• Prep for v1.42.0 (#2784) (@odow)

Closed issues:

• Utilities.value_type can be incorrect for ScalarNonlinearFunction (#2776)
• Wrong sign on objective constant for maximization problem when writing to an mps file (#2777)
• SIF reader (#2781)
• [Nonlinear] Performance regression of Hessian evaluation in MOI 1.41 (#2782)