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Allow stacking of bridge optimier #3013

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Allow stacking of bridge optimier #3013

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af0ef44
Allow stacking of bridge optimier
blegat Jun 10, 2026
ff5b32c
Progress
blegat Jun 15, 2026
d407801
Simplify
blegat Jun 17, 2026
e2d8d2a
Fixed: unbridged_function recursion (namespace-aware — confirmed the …
blegat Jun 21, 2026
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10 changes: 2 additions & 8 deletions src/Bridges/Constraint/map.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -54,8 +54,6 @@ end

_index(ci::MOI.ConstraintIndex) = ci.value

_index(ci::MOI.ConstraintIndex{MOI.VectorOfVariables}) = -ci.value

function Base.haskey(map::Map, ci::MOI.ConstraintIndex{F,S}) where {F,S}
return 1 <= _index(ci) <= length(map.bridges) &&
map.bridges[_index(ci)] !== nothing &&
Expand Down Expand Up @@ -118,10 +116,6 @@ end

_index(index, F, S) = MOI.ConstraintIndex{F,S}(index)

function _index(index, F::Type{MOI.VectorOfVariables}, S)
return MOI.ConstraintIndex{F,S}(-index)
end

function _iterate(map::Map, state = 1)
while state ≤ length(map.bridges) && map.bridges[state] === nothing
state += 1
Expand Down Expand Up @@ -235,7 +229,7 @@ Return the list of all keys that correspond to
function vector_of_variables_constraints(map::Map)
return MOI.Utilities.lazy_map(
MOI.ConstraintIndex{MOI.VectorOfVariables},
i -> MOI.ConstraintIndex{map.constraint_types[i]...}(-i),
i -> MOI.ConstraintIndex{map.constraint_types[i]...}(i),
Base.Iterators.Filter(
i ->
map.bridges[i] !== nothing &&
Expand Down Expand Up @@ -284,7 +278,7 @@ function _ensure_available(
::Type{S},
is_available::Function,
) where {S}
while !is_available(MOI.ConstraintIndex{F,S}(-length(map.bridges) - 1))
while !is_available(MOI.ConstraintIndex{F,S}(length(map.bridges) + 1))
push!(map.bridges, nothing)
push!(map.constraint_types, (F, S))
end
Expand Down
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