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Implement ForwardConstraintDual for bridges #320

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Implement ForwardConstraintDual for bridges #320

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15 changes: 11 additions & 4 deletions src/bridges.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,13 @@ function MOI.set(
return MOI.set(model, ForwardConstraintFunction(), bridge.constraint, value)
end

# We use the `MOI.Utilities` API so what we do should work
# both on `MOI.AbstractFunction` and on `Vector{Float64}`
const _GettableConstraintAttribute = Union{
ReverseConstraintFunction,
ForwardConstraintDual,
}

function MOI.set(
model::MOI.ModelLike,
attr::ForwardConstraintFunction,
Expand All @@ -60,7 +67,7 @@ end

function MOI.get(
model::MOI.ModelLike,
attr::ReverseConstraintFunction,
attr::_GettableConstraintAttribute,
bridge::MOI.Bridges.Constraint.VectorizeBridge,
)
return MOI.Utilities.eachscalar(
Expand All @@ -80,15 +87,15 @@ end

function MOI.get(
model::MOI.ModelLike,
attr::ReverseConstraintFunction,
attr::_GettableConstraintAttribute,
bridge::MOI.Bridges.Constraint.ScalarizeBridge,
)
return _vectorize(MOI.get.(model, attr, bridge.scalar_constraints))
end

function MOI.get(
model::MOI.ModelLike,
attr::DiffOpt.ReverseConstraintFunction,
attr::_GettableConstraintAttribute,
bridge::MOI.Bridges.Constraint.AbstractFunctionConversionBridge,
)
return MOI.get(model, attr, bridge.constraint)
Expand Down Expand Up @@ -123,7 +130,7 @@ end

function MOI.get(
model::MOI.ModelLike,
attr::DiffOpt.ReverseConstraintFunction,
attr::_GettableConstraintAttribute,
bridge::MOI.Bridges.Constraint.SetMapBridge,
)
func = MOI.get(model, attr, bridge.constraint)
Expand Down
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