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Fix type stability of src/bound.jl #27

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Merged
odow merged 1 commit into from
Nov 3, 2025
Merged

Fix type stability of src/bound.jl #27

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106 changes: 49 additions & 57 deletions src/bound.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -4,146 +4,138 @@
# in the LICENSE.md file or at https://opensource.org/licenses/MIT.

function _bound_infeasibility!(optimizer::Optimizer, ::Type{T}) where {T}
variables = Dict{MOI.VariableIndex,Interval{T}}()

variable_indices =
MOI.get(optimizer.original_model, MOI.ListOfVariableIndices())
return _bound_infeasibility!(optimizer.original_model, optimizer.results, T)
end

function _bound_infeasibility!(
original_model::MOI.ModelLike,
results::Vector{InfeasibilityData},
::Type{T},
) where {T}
variables = Dict{MOI.VariableIndex,Interval{T}}()
variable_indices = MOI.get(original_model, MOI.ListOfVariableIndices())
lb = Dict{MOI.VariableIndex,T}()
lb_con = Dict{MOI.VariableIndex,MOI.ConstraintIndex}()
ub = Dict{MOI.VariableIndex,T}()
ub_con = Dict{MOI.VariableIndex,MOI.ConstraintIndex}()

for con in MOI.get(
optimizer.original_model,
original_model,
MOI.ListOfConstraintIndices{MOI.VariableIndex,MOI.EqualTo{T}}(),
)
set = MOI.get(optimizer.original_model, MOI.ConstraintSet(), con)
func = MOI.get(optimizer.original_model, MOI.ConstraintFunction(), con)
set = MOI.get(original_model, MOI.ConstraintSet(), con)
func = MOI.get(original_model, MOI.ConstraintFunction(), con)
lb[func] = set.value
lb_con[func] = con
ub[func] = set.value
ub_con[func] = con
end

for con in MOI.get(
optimizer.original_model,
original_model,
MOI.ListOfConstraintIndices{MOI.VariableIndex,MOI.LessThan{T}}(),
)
set = MOI.get(optimizer.original_model, MOI.ConstraintSet(), con)
func = MOI.get(optimizer.original_model, MOI.ConstraintFunction(), con)
# lb[func] = -Inf
set = MOI.get(original_model, MOI.ConstraintSet(), con)
func = MOI.get(original_model, MOI.ConstraintFunction(), con)
# lb[func] = typemin(T)
ub[func] = set.upper
ub_con[func] = con
end

for con in MOI.get(
optimizer.original_model,
original_model,
MOI.ListOfConstraintIndices{MOI.VariableIndex,MOI.GreaterThan{T}}(),
)
set = MOI.get(optimizer.original_model, MOI.ConstraintSet(), con)
func = MOI.get(optimizer.original_model, MOI.ConstraintFunction(), con)
set = MOI.get(original_model, MOI.ConstraintSet(), con)
func = MOI.get(original_model, MOI.ConstraintFunction(), con)
lb[func] = set.lower
lb_con[func] = con
# ub[func] = Inf
# ub[func] = typemax(T)
end

for con in MOI.get(
optimizer.original_model,
original_model,
MOI.ListOfConstraintIndices{MOI.VariableIndex,MOI.Interval{T}}(),
)
set = MOI.get(optimizer.original_model, MOI.ConstraintSet(), con)
func = MOI.get(optimizer.original_model, MOI.ConstraintFunction(), con)
set = MOI.get(original_model, MOI.ConstraintSet(), con)
func = MOI.get(original_model, MOI.ConstraintFunction(), con)
lb[func] = set.lower
lb_con[func] = con
ub[func] = set.upper
ub_con[func] = con
end

# for con in MOI.get(optimizer.original_model, MOI.ListOfConstraintIndices{MOI.VariableIndex,MOI.SemiContinuous{T}}())
# set = MOI.get(optimizer.original_model, MOI.ConstraintSet(), con)
# func = MOI.get(optimizer.original_model, MOI.ConstraintFunction(), con)
# for con in MOI.get(original_model, MOI.ListOfConstraintIndices{MOI.VariableIndex,MOI.SemiContinuous{T}}())
# set = MOI.get(original_model, MOI.ConstraintSet(), con)
# func = MOI.get(original_model, MOI.ConstraintFunction(), con)
# lb[func] = 0 # set.lower
# ub[func] = set.upper
# end

# for con in MOI.get(optimizer.original_model, MOI.ListOfConstraintIndices{MOI.VariableIndex,MOI.SemiInteger{T}}())
# set = MOI.get(optimizer.original_model, MOI.ConstraintSet(), con)
# func = MOI.get(optimizer.original_model, MOI.ConstraintFunction(), con)
# for con in MOI.get(original_model, MOI.ListOfConstraintIndices{MOI.VariableIndex,MOI.SemiInteger{T}}())
# set = MOI.get(original_model, MOI.ConstraintSet(), con)
# func = MOI.get(original_model, MOI.ConstraintFunction(), con)
# lb[func] = 0 #set.lower
# ub[func] = set.upper
# end

bounds_consistent = true

for con in MOI.get(
optimizer.original_model,
original_model,
MOI.ListOfConstraintIndices{MOI.VariableIndex,MOI.Integer}(),
)
func = MOI.get(optimizer.original_model, MOI.ConstraintFunction(), con)
_lb = get(lb, func, -Inf)
_ub = get(ub, func, Inf)
func = MOI.get(original_model, MOI.ConstraintFunction(), con)
_lb, _ub = get(lb, func, typemin(T)), get(ub, func, typemax(T))
if abs(_ub - _lb) < 1 && ceil(_ub) == ceil(_lb)
push!(
optimizer.results,
results,
InfeasibilityData(
[con, lb_con[func], ub_con[func]],
MOI.ConstraintIndex[con, lb_con[func], ub_con[func]],
true,
IntegralityData(_lb, _ub, MOI.Integer()),
),
)
bounds_consistent = false
end
end

for con in MOI.get(
optimizer.original_model,
original_model,
MOI.ListOfConstraintIndices{MOI.VariableIndex,MOI.ZeroOne}(),
)
func = MOI.get(optimizer.original_model, MOI.ConstraintFunction(), con)
_lb = get(lb, func, -Inf)
_ub = get(ub, func, Inf)
if _lb > 0 && _ub < 1
func = MOI.get(original_model, MOI.ConstraintFunction(), con)
_lb, _ub = get(lb, func, typemin(T)), get(ub, func, typemax(T))
if 0 < _lb && _ub < 1
push!(
optimizer.results,
results,
InfeasibilityData(
[con, lb_con[func], ub_con[func]],
MOI.ConstraintIndex[con, lb_con[func], ub_con[func]],
true,
IntegralityData(_lb, _ub, MOI.ZeroOne()),
),
)
bounds_consistent = false
elseif _lb > 1
push!(
optimizer.results,
results,
InfeasibilityData(
[con, lb_con[func]],
MOI.ConstraintIndex[con, lb_con[func]],
true,
IntegralityData(_lb, Inf, MOI.ZeroOne()),
IntegralityData(_lb, typemax(T), MOI.ZeroOne()),
),
)
bounds_consistent = false
elseif _ub < 0
push!(
optimizer.results,
results,
InfeasibilityData(
[con, ub_con[func]],
MOI.ConstraintIndex[con, ub_con[func]],
true,
IntegralityData(-Inf, _ub, MOI.ZeroOne()),
IntegralityData(typemin(T), _ub, MOI.ZeroOne()),
),
)
bounds_consistent = false
end
end

for var in variable_indices
_lb = get(lb, var, -Inf)
_ub = get(ub, var, Inf)
_lb, _ub = get(lb, var, typemin(T)), get(ub, var, typemax(T))
if _lb > _ub
push!(
optimizer.results,
results,
InfeasibilityData(
[lb_con[var], ub_con[var]],
MOI.ConstraintIndex[lb_con[var], ub_con[var]],
true,
BoundsData(_lb, _ub),
),
Expand Down
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