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Ignore SlackBridgePrimalDualStart for non-Slack bridge #2365

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Merged
merged 4 commits into from
Dec 19, 2023
Merged

Ignore SlackBridgePrimalDualStart for non-Slack bridge #2365

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abd094b
Ignore SlackBridgePrimalDualStart for non-Slack bridge
blegat Dec 19, 2023
e48390d
Fix format
blegat Dec 19, 2023
80b0ac5
Update slack.jl
odow Dec 19, 2023
943805a
Update slack.jl
odow Dec 19, 2023
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9 changes: 9 additions & 0 deletions src/Bridges/Objective/bridges/slack.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -199,6 +199,15 @@ end
# Pretend that every model supports, and silently skip in set if unsupported
MOI.supports_fallback(::MOI.ModelLike, ::SlackBridgePrimalDualStart) = true

function MOI.throw_set_error_fallback(
::MOI.ModelLike,
::SlackBridgePrimalDualStart,
::AbstractBridge,
::Nothing,
)
return # Silently ignore for other bridges
end

function MOI.set(
model::MOI.ModelLike,
::SlackBridgePrimalDualStart,
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18 changes: 18 additions & 0 deletions test/Bridges/Objective/slack.jl
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Expand Up @@ -514,6 +514,24 @@ function test_deletion_of_variable_in_slacked_objective()
return
end

function test_SlackBridgePrimalDualStart_non_slack()
inner = MOI.Utilities.MockOptimizer(
MOI.Utilities.UniversalFallback(MOI.Utilities.Model{Float64}()),
)
# Should ignore without erroring
MOI.set(inner, MOI.Bridges.Objective.SlackBridgePrimalDualStart(), nothing)
model = MOI.Bridges.Objective.Functionize{Float64}(inner)
x = MOI.add_variable(model)
MOI.set(model, MOI.ObjectiveFunction{typeof(x)}(), x)
# Should ignore without erroring
MOI.set(
model,
MOI.Bridges.Objective.SlackBridgePrimalDualStart(),
nothing,
)
return
end

function test_SlackBridgePrimalDualStart()
inner = MOI.Utilities.MockOptimizer(
MOI.Utilities.UniversalFallback(MOI.Utilities.Model{Float64}()),
Expand Down