v0.9.15

MathOptInterface v0.9.15

Diff since v0.9.14

Closed issues:

• ZeroOneBridge (#704)
• Add support to query the reduced cost of a variable (#776)
• [RFC] supports_constrained_variable (#987)
• Add function to retrieve the current processed node in the branch-and-bound tree (#1067)
• Uniform docs for norms (#1098)
• MPS code is not deterministic (#1106)
• How to add cuts/constraints to Conic Benchmark Library (CBLIB) Instances? (#1107)
• :ExpPrimal, :ExpDual, :SDP cones not supported in import of CBF models? (#1108)
• Error in set_start_value (#1115)
• Model Writing Error Messages (#1116)
• Cannot use custom attribute type (#1127)
• Issue in convex_approx (#1138)

Merged pull requests:

• Add (R)SOCtoNonConvexQuad Bridge (#1046) (@joaquimg)
• Updating docs for MOI.Test.unittest (#1050) (@Yashcodes)
• Add ZeroOneBridge (#1099) (@rtwalker)
• Supports add constrained variable (#1101) (@ilancoulon)
• Update for move to jump-dev org (#1103) (@mlubin)
• Fix constrained variables for caching optimizer (#1104) (@blegat)
• Various improvements to the FileFormats.MPS subpackage (#1109) (@odow)
• Implement length for lazy iterators (#1110) (@blegat)
• Various improvements to the FilesFormats.MOF subpackage. (#1111) (@odow)
• Faster LazyMap (#1113) (@blegat)
• Fix order ListOfConstraintIndices with constraint bridges on variable function (#1114) (@blegat)
• Add CanonicalConstraintFunction attribute (#1118) (@blegat)
• Improve triangle_dot with MA (#1119) (@blegat)
• Remove useless {T} (#1120) (@blegat)
• Shortcut when no attribute should be copied (#1121) (@blegat)
• Use DenseDict for copy_to (#1122) (@blegat)
• Modify .travis.yml to reduce CI load (#1123) (@odow)
• Fixed unsupported objectives in FileFormats (#1124) (@egbuck)
• Implementing bridge cost (#1125) (@blegat)
• Implement DoubleDicts (#1126) (@joaquimg)
• Add missing parenthese in docstring (#1128) (@blegat)
• Improve indexing performance (#1129) (@joaquimg)
• Tidy Constraint.Vectorize bridge (#1130) (@odow)
• Improve performance of LazyBridgeOptimizer (#1131) (@odow)
• uniform norms in docs (#1132) (@Aks1996)
• Add name option for basic_constraint_test (#1133) (@blegat)
• Remove useless assignment in allocate-load (#1134) (@blegat)
• When copying a model, propose to only keep conflict constraints. (#1135) (@dourouc05)
• Double dict reversion (#1139) (@joaquimg)
• Merge Clever and Dense dicts (#1142) (@joaquimg)
• Add wikipedia reference for triangular formula (#1143) (@blegat)
• Update URLs to jump-dev (#1145) (@mtanneau)
• Update to MathOptFormat v0.5 (#1146) (@odow)
• Typo fix (#1147) (@mlubin)
• \Integer -> \mathbb{Z} (#1148) (@blegat)
• Delete REQUIRE (#1149) (@dourouc05)
• Refactor Bridges debug (#1151) (@blegat)
• Fix convert_approx with multiple nonzero terms (#1152) (@blegat)
• Implement get for CleverDict (#1153) (@blegat)
• Implement get for DoubleDict (#1154) (@blegat)
• Fill news for v0.9.15 (#1155) (@odow)

v0.9.14

MathOptInterface v0.9.14

Diff since v0.9.13

Closed issues:

• Rename MultirowChange to MultirowLinearChange (#410)
• More ObjectiveBound tests (#442)
• Decision: Interval sets with lower > upper (#532)
• VectorOfVariables should allow the same variable twice? (#611)
• Test NLP tests (#625)
• Semicontinuous and Semiinteger -> binary variable + Interval variable (#897)
• A problem how to query solver state (#1040)
• MOI.Bridges.debug giving StakeOverFlow error when calling through sprint or with IOBuffer() (#1062)
• Incorrect SDPA file output (#1071)
• SDPA fails to ignore comments on first two lines (#1073)
• Integer variable section for SDPA Format (#1074)
• is_canonical is broken for quadratic functions (#1080)
• add_constrained_variable(s) can break for CachingOptimizer if an optimizer has been attached (#1083)
• Feature request: Support custom objective functions in UniversalFallback (#1085)

Merged pull requests:

• add L1/Linf cone tests and fix bridge when VAF has nonzero constants (#1045) (@chriscoey)
• Adding missing term in docs (#1054) (@Yashcodes)
• Interface from IIS. (#1056) (@dourouc05)
• Add semi integer/continuous bridges (#1059) (@joaquimg)
• Fix typo (#1060) (@metab0t)
• Delete wrong subscript (#1061) (@metab0t)
• [Bridges] Fix StackOverflow in debug (#1063) (@blegat)
• IndicatorSet documentation (#1064) (@Wikunia)
• Adding get function for MOI.ConstraintSet for NonposToNonnegBridge (#1066) (@Yashcodes)
• Update apimanual.md (#1069) (@mforets)
• Typo in doc. (#1070) (@dourouc05)
• [SDPA] Add missing negation of constant (#1075) (@blegat)
• [SDPA] No scaling of off-diagonal coefficient (#1076) (@blegat)
• [SDPA] Ignore comments aftere m and nblocks and detect dat-s extension (#1077) (@blegat)
• Feature to read/write integer constraints (#1079) (@kibaekkim)
• Fix is_canonical for SQF, VQF (#1081) (@mewilhel)
• Fix add_constrained_variable(s) for a CachingOptimizer with an attached optimizer (#1084) (@martinbiel)
• Add support for custom objective functions in UniversalFallback. (#1086) (@martinbiel)
• Remove recommendation to call package MathOptInterfaceXXX (#1087) (@blegat)
• deterministic ordering of constraints -> variable indices (#1088) (@Wikunia)
• Add tests for is_canonical on quadratic functions (#1089) (@blegat)
• Bump JSONSchema dependency (#1090) (@odow)
• Bugfix for set ConstraintFunction in ScalarizeBridge. (#1093) (@martinbiel)
• Fill news for v0.9.14 (#1094) (@blegat)

v0.9.13

MathOptInterface v0.9.13

Diff since v0.9.12

Closed issues:

• Update solvers to MOI v0.9 (#736)
• different typeof coefficients and constant should be allowed (#1047)
• Error while importing MathOptInface while have using Dualization.jl in package (#1048)
• Error while importing MathOptInterface while using Dualization.jl in it (#1049)
• How to construct a nonlinear model and call solver? (#1053)

Merged pull requests:

• Add tests for semi continuous and semi integer variables (#1033) (@rafabench)
• Add tests for using ExprGraphs from NLP evaluators (#1043) (@joehuchette)
• Fixes typos in docs (#1044) (@joaquimg)
• CompatHelper: bump compat for "CodecZlib" to "0.7" (#1051) (@github-actions[bot])
• CompatHelper: bump compat for "CodecBzip2" to "0.7" (#1052) (@github-actions[bot])

v0.9.12

MathOptInterface v0.9.12

Diff since v0.9.11

Closed issues:

• Add option to make MOIU.@model and AbstractOptimizer (#1030)
• Multiple Results with MockOptimizer (#1036)
• VariablePrimal(N) maybe should be result_index instead of N (#1038)

Merged pull requests:

• Update test template with instantiate (#1032) (@blegat)
• Bump BenchmarkTools version (#1034) (@ericphanson)
• Add CompatHelper (#1035) (@ericphanson)
• [MOF] fix writing NLPBlock (#1037) (@odow)
• Fix MockOptimizer for nonone result index (#1039) (@blegat)

v0.9.11

MathOptInterface v0.9.11

Diff since v0.9.10

Closed issues:

• Implement Base.zero for VariableIndex (#1016)
• Implement dual values for GeoMean (#1020)

Merged pull requests:

• Add dual in RelativeEntropyCone docstring (#1018) (@blegat)
• Install TagBot as a GitHub Action (#1019) (@JuliaTagBot)
• Correct some typos in the documentation (#1022) (@amontoison)
• Typo in sets (#1024) (@dourouc05)
• Implement ConstraintDual for Constraint.GeoMeanBridge (#1025) (@blegat)
• add log/root-det tests and duals, and support duals through det bridge (#1026) (@chriscoey)
• Fix warning of unsuppoted attribute (#1027) (@blegat)
• Add dual of GeometricMeanCone (#1028) (@blegat)
• Make AbstractModel <: AbstractOptimizer (#1031) (@odow)

v0.9.10

v0.9.10 (2020-01-31)

Diff since v0.9.9

Closed issues:

• Documentation not properly showing latex (#1009)
• some documentation fail to display latex properly (v0.9.9 and dev) (#988)
• Complement -> Indicator Bridge (#953)
• Tests fail on 1.4 due to changes in printing (#1000)

Merged pull requests:

• don't recommend passing optimizer attributes to constructors (#995) (mlubin)
• Implement starting values for NormOneBridge (#994) (blegat)
• properly document batch deletion (#992) (mlubin)
• Fix broken equations in docs (#991) (mlubin)
• NEWS for v0.9.10 (#1014) (blegat)
• Clarify dual solution of pow1 (#1013) (blegat)
• Approximate check in delete in batch test (#1011) (blegat)
• Fix tests for Julia v1.4-rc1 (#1010) (blegat)
• Add OptimizerWithAttributes (#1008) (blegat)
• Add PSD3 test (#1007) (blegat)
• [FileFormats] Fix free variables in LP writer (#1006) (odow)
• Add support for EqualTo and Zero in Split bridge (#1005) (blegat)
• Add supports_constrained_variable(s) (#1004) (blegat)
• Fix vectorize for empty vector (#1003) (blegat)
• Add dual_set_type (#1002) (blegat)
• add relative entropy cone (#993) (chriscoey)
• Tests for vector specialized version of MOI.delete (#989) (henriquebecker91)
• Remove duplicate computation in bridges (#986) (blegat)
• add nuclear norm and spectral norm cone sets (for general/nonsymmetric matrices) (#976) (chriscoey)

v0.9.9

v0.9.9 (2019-12-29)

Diff since v0.9.8

Closed issues:

• Crash on Julia v1.1 (#980)
• How to code SOS2 constraints in Julia with Gurobi solver (#978)
• Read/write from/to file should be IO not filenames (#633)
• A File-format for MathOpt (#28)

Merged pull requests:

• NEWS for v0.9.9 (#984) (blegat)
• Faster deletion of vector of variables (#983) (blegat)
• Workaround for issue #980 (#982) (blegat)
• Update to MA v0.2 (#981) (blegat)
• Add promote_operation allocation tests (#975) (blegat)
• Add MathOptFormat.jl as FileFormats submodule (#969) (odow)

v0.9.8

v0.9.8 (2019-12-19)

Diff since v0.9.7

Closed issues:

• Add fallback for add_variables (#971)
• MethodError caused by MOI.set(model, MOI.ConstraintDualStart(), [...]) (#955)
• Inconsistency in dimension of complementarity set (#947)
• Missing method (#943)
• Copy optimizer attributes (#958)
• Error while loading conic library format (#950)

Merged pull requests:

• NEWS for v0.9.8-rc2 (#974) (blegat)
• Only use variable bridge if it is optimal (#973) (blegat)
• Add fallback for add_variables (#972) (odow)
• NEWS for v0.9.8 (#970) (blegat)
• WIP: fix geomean bridge for dimension = 2 (#966) (lkapelevich)
• Add is_diagonal_vectorized_index utility (#965) (blegat)
• More consistent notation in apimanual.md (#964) (mlubin)
• Fix incorrect formula display (#963) (metab0t)
• fix incorrect increment in geomean bridge (#962) (lkapelevich)
• fix tiny typo in geomean bridge docs (#961) (lkapelevich)
• Callbacks are model attributes (#959) (blegat)
• Build bridge graph to improve performance of bridge shortest path (#956) (blegat)
• Add docstring for test_delete_bridge (#954) (blegat)
• Add Variable bridge tests (#952) (blegat)
• Fix add_constraints with non-bridged variable constraint on bridged variable (#951) (blegat)
• Fix dimension of Complements (#948) (blegat)
• Add Bellman-Ford benchmark (#946) (blegat)
• Fix segfault of #877 (#945) (blegat)
• Implement variable start for Variable.VectorizeBridge (#944) (blegat)
• Implement MutableArithmetics (#924) (blegat)
• indicator to SOS bridge (#877) (matbesancon)

v0.9.7

v0.9.7 (2019-10-30)

Diff since v0.9.6

Closed issues:

• UndefVarError: UnsetSolver not defined (#919)
• for bridges, make it possible to use constraint function code to get constraint primal (#835)

Merged pull requests:

• Fix copy of model with starting values for vector constraint (#941) (blegat)
• NEWS for v0.9.7 (#940) (blegat)
• Add support for starting values for interval bridge (#939) (blegat)
• Add support for starting values for slack bridges (#938) (blegat)
• Implement starting values for Bridges.Constraint.ScalarizeBridge (#937) (blegat)
• Implement starting values for Bridges.Constraint.VectorizeBridge (#936) (blegat)
• Lazy add_bridge (#935) (blegat)
• implement _result_index_field for NLPBlockDual (#934) (rschwarz)
• Refactor constraint bridges with AbstractSetMapBridge (#933) (blegat)

v0.9.6

v0.9.6 (2019-10-25)

Diff since v0.9.5

Closed issues:

• Error when trying to get RawSolver() attribute with Gurobi & OSQP (#926)
• Complementarity constraint (#771)
• Refactor Bridges for style and readability (#585)

Merged pull requests:

• Throw InvalidIndex when getting function/set (#932) (blegat)
• Add bounds to dependencies (#931) (blegat)
• NEWS for v0.9.6 (#930) (blegat)
• Testing constant term in indicator constraint (#929) (matbesancon)
• No index mapping nor substitution for ModelLike (#928) (blegat)
• Typo fix: constraint variables -> constrained variables (#927) (blegat)
• Add support for starting values for functionize bridges (#923) (blegat)
• Add dual_objective_value option to config (#922) (blegat)
• Add InvalidIndex tests in basic_constraint_tests (#921) (blegat)
• Add variable indices context to variable bridges (#920) (blegat)
• Add complementarity constraints (#913) (odow)