MOI 0.10 upgrade

Project.toml

@@ -25,7 +25,7 @@ CodecZlib = "0.7.0"
 Krylov = "0.7.7"
 LDLFactorizations = "0.6, 0.7, 0.8"
 LinearOperators = "2.0"
-MathOptInterface = "0.9.5"
+MathOptInterface = "0.10"
 QPSReader = "0.2"
 TimerOutputs = "0.5.6"
 julia = "1.3"

README.md

@@ -83,7 +83,7 @@ When using Tulip through JuMP/MOI, parameters can be set either through MOI's ge
     ```julia
     moi_model = Tulip.Optimizer{Float64}()
 
-    MOI.set(moi_model, MOI.RawParameter("IPM_IterationsLimit"), 200)
+    MOI.set(moi_model, MOI.RawOptimizerAttribute("IPM_IterationsLimit"), 200)
     ```
 
 * Through Tulip's API

docs/src/tutorials/lp_example.md

@@ -88,8 +88,8 @@ x = MOI.add_variable(lp)
 y = MOI.add_variable(lp)
 
 # Set variable bounds
-MOI.add_constraint(lp, MOI.SingleVariable(x), MOI.GreaterThan(0.0))  # x >= 0
-MOI.add_constraint(lp, MOI.SingleVariable(y), MOI.GreaterThan(0.0))  # y >= 0
+MOI.add_constraint(lp, x, MOI.GreaterThan(0.0))  # x >= 0
+MOI.add_constraint(lp, y, MOI.GreaterThan(0.0))  # y >= 0
 
 # Add constraints
 row1 = MOI.add_constraint(lp,
@@ -114,7 +114,7 @@ MOI.set(lp, MOI.ObjectiveSense(), MOI.MIN_SENSE)
 
 # Set some parameters
 MOI.set(lp, MOI.Silent(), true)               # disable output
-MOI.set(lp, MOI.RawParameter("Presolve_Level"), 0)  # disable presolve
+MOI.set(lp, MOI.RawOptimizerAttribute("Presolve_Level"), 0)  # disable presolve
 
 # Solve the problem
 MOI.optimize!(lp)

examples/optimal_other_type.jl

@@ -12,8 +12,8 @@ x = MOI.add_variable(lp)
 y = MOI.add_variable(lp)
 
 # Set variable bounds
-MOI.add_constraint(lp, MOI.SingleVariable(x), MOI.GreaterThan(T(0)))  # x >= 0
-MOI.add_constraint(lp, MOI.SingleVariable(y), MOI.GreaterThan(T(0)))  # y >= 0
+MOI.add_constraint(lp, x, MOI.GreaterThan(T(0)))  # x >= 0
+MOI.add_constraint(lp, y, MOI.GreaterThan(T(0)))  # y >= 0
 
 # Add constraints
 row1 = MOI.add_constraint(lp,

src/Interfaces/MOI/MOI_wrapper.jl

@@ -146,6 +146,7 @@ function MOI.empty!(m::Optimizer)
     # Reset bound tracking
     m.bnd2name = Dict{MOI.ConstraintIndex, String}()
     m.var2bndtype  = Dict{MOI.VariableIndex, Set{MOI.ConstraintIndex}}()
+    return nothing
 end
 
 function MOI.is_empty(m::Optimizer)
@@ -168,10 +169,10 @@ end
 
 MOI.optimize!(m::Optimizer) = optimize!(m.inner)
 
-MOI.Utilities.supports_default_copy_to(::Optimizer, ::Bool) = true
+MOI.supports_incremental_interface(::Optimizer) = true
 
 function MOI.copy_to(dest::Optimizer, src::MOI.ModelLike; kwargs...)
-    return MOI.Utilities.automatic_copy_to(dest, src; kwargs...)
+    return MOI.Utilities.default_copy_to(dest, src; kwargs...)
 end
 
 

src/Interfaces/MOI/attributes.jl

@@ -3,10 +3,10 @@
 # =============================================
 const SUPPORTED_OPTIMIZER_ATTR = Union{
     MOI.NumberOfThreads,
-    MOI.RawParameter,
+    MOI.RawOptimizerAttribute,
     MOI.SolverName,
     MOI.Silent,
-    MOI.TimeLimitSec
+    MOI.TimeLimitSec,
 }
 
 MOI.supports(::Optimizer, ::A) where{A<:SUPPORTED_OPTIMIZER_ATTR} = true
@@ -56,9 +56,9 @@ end
 #
 #   RawParameter
 #
-MOI.get(m::Optimizer, attr::MOI.RawParameter) = get_parameter(m.inner, attr.name)
+MOI.get(m::Optimizer, attr::MOI.RawOptimizerAttribute) = get_parameter(m.inner, attr.name)
 
-MOI.set(m::Optimizer, attr::MOI.RawParameter, val) = set_parameter(m.inner, attr.name, val)
+MOI.set(m::Optimizer, attr::MOI.RawOptimizerAttribute, val) = set_parameter(m.inner, attr.name, val)
 
 
 # =============================================
@@ -114,7 +114,7 @@ function MOI.get(
     m::Optimizer{T}, ::MOI.ObjectiveFunctionType
 ) where{T}
     if m._obj_type == _SINGLE_VARIABLE
-        return MOI.SingleVariable
+        return MOI.VariableIndex
     else
         return MOI.ScalarAffineFunction{T}
     end
@@ -148,7 +148,8 @@ end
 #
 function MOI.get(m::Optimizer{T}, attr::MOI.ObjectiveValue) where{T}
     MOI.check_result_index_bounds(m, attr)
-    return get_attribute(m.inner, ObjectiveValue())
+    raw_z = get_attribute(m.inner, ObjectiveValue())
+    return raw_z * !m.is_feas
 end
 
 #
@@ -159,6 +160,8 @@ function MOI.get(m::Optimizer{T}, attr::MOI.DualObjectiveValue) where{T}
     return get_attribute(m.inner, DualObjectiveValue())
 end
 
+MOI.get(m::Optimizer, ::MOI.ObjectiveBound) = MOI.get(m, MOI.DualObjectiveValue())
+
 #
 #   RawSolver
 #
@@ -213,7 +216,7 @@ end
 #
 # TODO: use inner query
 function MOI.get(m::Optimizer, attr::MOI.PrimalStatus)
-    attr.N == 1 || return MOI.NO_SOLUTION
+    attr.result_index == 1 || return MOI.NO_SOLUTION
 
     if isnothing(m.inner.solution)
         return MOI.NO_SOLUTION
@@ -227,7 +230,7 @@ end
 #
 # TODO: use inner query
 function MOI.get(m::Optimizer, attr::MOI.DualStatus)
-    attr.N == 1 || return MOI.NO_SOLUTION
+    attr.result_index == 1 || return MOI.NO_SOLUTION
 
     if isnothing(m.inner.solution)
         return MOI.NO_SOLUTION