v1.21.0

MathOptInterface v1.21.0

Diff since v1.20.1

Merged pull requests:

• [Test] improve test_attribute_TimeLimitSec (#2256) (@odow)
• Add SolutionLimit attribute (#2291) (@odow)
• [FileFormats.MOF] add MathOptFormat@1.6 support (#2293) (@odow)
• Add ScalarQuadraticCoefficientChange (#2296) (@odow)
• [docs] add arxiv.org to linkcheck_ignore because it is flakey (#2297) (@odow)
• [FileFormats.MOF] add support for MOF@1.7 (#2298) (@odow)
• [FileFormats.MOF] rename to use_nlp_block and add documentation (#2299) (@odow)
• [Utilities] add modify_constants for MOI.modify in MatrixOfConstraints (#2300) (@odow)
• Add Objective.FunctionConversionBridge (#2303) (@blegat)
• [docs] add preprint to accept.txt (#2304) (@odow)
• [Nonlinear] add support for is_empty and empty! (#2305) (@odow)
• [Bridges] add ModifyBridgeNotAllowed (#2307) (@odow)
• Use conversion cost for Objective bridge (#2309) (@blegat)
• Add stdlib compat to Project.toml (#2310) (@odow)
• Add MOA to solver-tests.yml (#2312) (@odow)
• [docs] fix set descriptions in standard_form.md (#2313) (@odow)
• [Utilities] add more distance_to_set implementations (#2314) (@odow)
• Prep for v1.21.0 (#2319) (@odow)
• Fix test_modification_objective_scalarquadraticcoefficientchange (#2320) (@odow)
• [FileFormats] revert change to extract_function_and_set (#2321) (@odow)
• [Test] fix isapprox in test_modification_xxx_scalarquadraticcoefficientchange (#2322) (@odow)

Closed issues:

• Abstract / alternative linear operator storage (#863)
• MOI.modify for quadratic terms (#1208)
• Support "nonscalar" variables (like complex numbers, intervals, sequences of intervals)? (#1253)
• Implement modification of function constant for MatrixOfConstraints (#1748)
• Implement Utilities.distance_to_set for more sets (#2033)
• Optimizer option for solution limit (#2282)
• [FileFormats.MOF] add VectorNonlinearFunction support (#2292)
• Add extension support for PythonCall (#2301)
• Implement empty! and is_empty for MOI.Nonlinear.Model (#2302)
• Add ModifyNotAllowed instead of ModifyObjective/ConstraintNotAllowed (#2306)
• [Utilities] Add support for filtering variables in ModelFilter (#2308)

v1.20.1

MathOptInterface v1.20.1

Diff since v1.20.0

Merged pull requests:

• Add MathOptSetDistances to solver tests (#2265) (@blegat)
• Update to Documenter v1 (#2266) (@blegat)
• [Test] rename Test module to avoid conflict with Base.Test (#2267) (@odow)
• Fix various JET errors (#2269) (@odow)
• Fix various JET errors in test_conic.jl (#2270) (@odow)
• Fix various JET errors (#2271) (@odow)
• [Utilities] remove keyword arguments from copy_to (#2272) (@odow)
• Remove using Package in favor of explicit import Package (#2274) (@odow)
• [Bridges] fix ConstraintDualStart for Constraint.SplitIntervalBridge (#2275) (@odow)
• Fix various JET errors (#2276) (@odow)
• Fix JET errors in bridge_optimizer.jl (#2277) (@odow)
• Fix MethodError when trying to modify a variable objective (#2278) (@odow)
• [Utilities] remove MOIU acronym (#2280) (@odow)
• [Utilities] remove unecessary acronyms (#2281) (@odow)
• [Utilities] Remove EMPTYSTRING (#2283) (@odow)
• [Utilities] fix stackoverflow in operate(+,...) with many arguments (#2285) (@odow)
• [Utilities] remove invalid and unused method (#2286) (@odow)
• [Utilities] refactor src/Utilties/model.jl (#2287) (@odow)
• Prep for v1.20.1 (#2288) (@odow)
• Fix various JET errors (#2289) (@odow)
• [Utilities] use foldl to avoid StackOverflow (#2290) (@blegat)

Closed issues:

• Next-generation nonlinear (#846)
• Tracking the time-to-first-solve issue (#1313)
• Simplify handling of linear and quadratic derivatives for nonlinear solvers (#1397)
• Add Parameter{T} <: AbstractScalarSet (#2094)
• Order-maintaining copy_to (#2236)
• Update ScaledPSDCone (#2260)
• Diagnose and fix JET errors (#2268)
• MOI.Utilities.operate StackOverflowError (#2284)

v1.20.0

MathOptInterface v1.20.0

Diff since v1.19.0

Merged pull requests:

• Add Scaled{S<:AbstractSet} (#2237) (@blegat)
• adding ObjectiveLimit attribute (#2257) (@matbesancon)
• CompatHelper: bump compat for CodecBzip2 to 0.8, (keep existing compat) (#2258) (@github-actions[bot])
• [Utilities] improve performance of ScalarNonlinearFunction utilities (#2259) (@odow)
• Remove empty code sample in docstring (#2261) (@blegat)
• Prep for v1.20.0 (#2262) (@odow)
• [FileFormats.MOF] add support for Scaled set (#2263) (@odow)
• [Bridges] fix adjoint functions in SetDotInverseScalingBridge (#2264) (@odow)

v1.19.0

MathOptInterface v1.19.0

Diff since v1.18.0

Closed issues:

• x86 frequently fails in CI (#2183)
• IntegerToZeroOne bridge (#2202)
• MutableArithmetics/MathOptInterface ambiguity with v1.18.0 (#2222)
• [FileFormats.LP] more parsing issues (#2223)
• [FileFormats.NL] add support for ScalarNonlinearFunction (#2227)
• Unsatisfiable requirements detected for package MathOptInterface (#2238)
• Querying objective_value errors when quadratic objective has no quadratic term (conic solvers only) (#2239)
• Nightly failing on CI (#2242)
• [FileFormats.MOF] Allow MOF to read/write SAF/SQF{Int} (#2246)

Merged pull requests:

• Add VectorNonlinearFunction (#2201) (@odow)
• [Bridges] add IntegerToZeroOneBridge (#2205) (@odow)
• [Utilities] fix various utilities for ScalarNonlinearFunction (#2218) (@odow)
• [Utilities] add eval_variables support for ScalarNonlinearFunction (#2219) (@odow)
• Fix method ambiguities and limit operate to Number subtypes (#2224) (@odow)
• [FileFormats.LP] fix reading file with free variable and explicit bounds (#2225) (@odow)
• [FileFormats.NL] add support for ScalarNonlinearFunction (#2228) (@odow)
• Add extensions to solver-tests.yml (#2229) (@odow)
• [Test] add require for ConstraintDual in test_nonlinear_duals (#2230) (@odow)
• [FileFormats.NL] fix nested scalar affine and quadratic functions (#2231) (@odow)
• Prep for v1.19.0 (#2232) (@odow)
• [Bridges] add ScalarQuadraticToScalarNonlinearBridge (#2233) (@odow)
• Refactor test/Benchmarks (#2234) (@odow)
• [Bridges] add Constraint.FunctionConversionBridge (#2235) (@odow)
• [Bridges] fix bug in QuadToSOCBridge getting ConstraintPrimal (#2240) (@odow)
• [Test] fix various warnings in tests (#2241) (@odow)
• [Test] fix duplicate method warnings in tests (#2243) (@odow)
• [Bridges] various updates based on VectorNonlinearFunction changes (#2244) (@odow)
• [Utilities] fix print for upcoming VectorNonlinearFunction (#2245) (@odow)
• [FileFormats.MOF] support writing non-Float64 functions (#2247) (@odow)
• Fix a typo in the docs (#2251) (@dourouc05)
• Change to test x86 on latest release instead of LTS (#2252) (@odow)
• Partition tests into multiple CI jobs to reduce runtime and memory pressure (#2253) (@odow)
• Add VectorLazyMap (#2254) (@blegat)
• Minor fix to docstring of SetMapBridge (#2255) (@blegat)

v1.18.0

MathOptInterface v1.18.0

Diff since v1.17.1

Closed issues:

• More flexible AD (#2193)
• Re-factor promote_operation and operate (#2203)
• Splatting 1 variable : AssertionError: x.args[1] in data.operators.comparison_operators (#2220)

Merged pull requests:

• [Bridges] add SlackBridgePrimalDualStart (#2194) (@odow)
• Add missing @require in tests (#2195) (@blegat)
• Require list of model attributes in tests (#2196) (@blegat)
• Remove unused argument names (#2199) (@blegat)
• Add constraint_gradient_structure and eval_constraint_gradient (#2200) (@odow)
• Reduce memory requirement for tests (#2204) (@odow)
• [Utilities] refactor promote_operation (#2206) (@odow)
• Fix incorrect usage of Utilities.operate! (#2207) (@odow)
• [Utillities] refactor operate, operate!, operate_term, operate_terms, operate_output_index! (#2208) (@odow)
• [Utilities] style fixes for Utilities/mutable_arithmetics.jl (#2209) (@odow)
• Remove unused argument (#2210) (@blegat)
• [Utilities] simplify various operate_ methods (#2212) (@odow)
• [Utilities] tidy Base overloads in functions.jl (#2213) (@odow)
• [Utilities] tidy methods in functions.jl (#2214) (@odow)
• [Utilities] add operate for ScalarNonlinearFunction (#2215) (@odow)
• [Bridges] use operate in bridges instead of Base methods (#2216) (@odow)
• Prep for v1.18.0 (#2217) (@odow)
• [Nonlinear] fix splatting with a univariate operator (#2221) (@odow)

v1.17.1

MathOptInterface v1.17.1

Diff since v1.17.0

Closed issues:

• test_model_ScalarFunctionConstantNotZero not working for non-isbits type (#2189)

Merged pull requests:

• Add documentation for enum instances (#2186) (@odow)
• [docs] fix linkcheck warning for jump.dev/chatroom (#2188) (@odow)
• Fix comparison of ScalarFunctionConstantNotZero (#2190) (@odow)
• [docs] build on Julia v1.9 (#2191) (@odow)
• Prep for v1.17.1 (#2192) (@odow)

v1.17.0

MathOptInterface v1.17.0

Diff since v1.16.0

Closed issues:

• Bridge tests outside of MOI (#2175)
• FileFormats/LP: read_from_file returns incorrect quadratic terms (#2181)

Merged pull requests:

• Add ScalarNonlinearFunction support (#2059) (@odow)
• [Test] add tests for NormNuclearCone, NormSpectralCone and HermitianPSDCone (#2174) (@odow)
• Add value_type for AbstractFunction (#2176) (@blegat)
• Fix support for external sets in loadfromstring (#2177) (@odow)
• Fix promote_operation for ScalarNonlinearFunction (#2179) (@odow)
• [FileFormats.LP] fix reading off-diagonals of quadratic functions (#2182) (@odow)
• [FileFormats.LP] fix new lines in middle of quadratic objective (#2184) (@odow)
• Prep for v1.17.0 (#2185) (@odow)

v1.16.0

MathOptInterface v1.16.0

Diff since v1.15.1

Closed issues:

• Set request: ScaledPSDCone (#531)
• Add NormPCone (#2118)
• Debug failure on nightly (#2159)
• Add requirements for adding a set (#2165)
• Bug in HermitianToSymmetricPSDBridge (#2170)

Merged pull requests:

• Add NormCone for representing the epigraph of a p-norm (#2119) (@odow)
• Add ScaledPositiveSemidefiniteConeTriangle (#2154) (@blegat)
• [Bridges] add tests for deleting variable in bridged objective (#2156) (@odow)
• Fix env vars in solver-tests.yml (#2157) (@odow)
• [FileFormats.MOF] update to v1.3 (#2158) (@odow)
• [docs] update links for developer chatroom (#2160) (@odow)
• Work around regression in nightly by adding new method (#2161) (@odow)
• Add four functions in the NLP API (#2162) (@amontoison)
• Alternative fix for #2161 (#2163) (@odow)
• Fix the docstring of hessian_objective_structure (#2164) (@amontoison)
• Add basic test for HermitianPSD (#2166) (@blegat)
• [docs] add checklist for adding a new set (#2167) (@odow)
• [docs] add more checklists to developer documentation (#2168) (@odow)
• [FileFormats.MOF] update to v1.4 (#2169) (@odow)
• [Bridges] fix bug in HermitianToSymmetricPSDBridge (#2171) (@odow)
• Prep for v1.16.0 (#2172) (@odow)
• Fix convert(::VariableIndex, ::ScalarAffineFunction) with zero coefficients (#2173) (@odow)

v1.15.1

MathOptInterface v1.15.1

Diff since v1.15.0

Merged pull requests:

• [Bridges] fix deleting variable in bridged objective (#2150) (@odow)
• Add CPLEX to solver-tests.yml (#2151) (@odow)
• Migrate from SnoopPrecompile to PrecompileTools (#2152) (@timholy)
• Fix order in Project.toml (#2155) (@blegat)

v1.15.0

MathOptInterface v1.15.0

Diff since v1.14.1

Closed issues:

• Open interval test for Rational (#2134)
• { in string is not filtered in tex output (#2140)
• MPS data, redundant rows (#2142)
• Malformed NAME line (#2145)

Merged pull requests:

• Add test for infinite bounds on variable (#2133) (@blegat)
• [Bridges] fix support for Rational in SplitIntervalBridge (#2137) (@odow)
• [Bridges] add Objective.VectorFunctionizeBridge (#2139) (@odow)
• [Utilities] fix printing of LaTeX model (#2141) (@odow)
• Prep for v1.15.0 (#2143) (@odow)
• [Bridges] fix modify in Bridges.Objective.VectorSlack (#2144) (@odow)
• [FileFormats.MPS] allow spaces in NAME row (#2146) (@odow)
• [Bridges] fix deleting variable in bridged objective (#2147) (@odow)
• Minor typo fixes (#2148) (@blegat)
• Add solver-tests.yml GitHub action (#2149) (@odow)