Remove DualizableModel (#210)

* Remove DualizableModel

* Fix format

Author: blegat

src/MOI_wrapper.jl

@@ -87,14 +87,14 @@ function DualOptimizer{T}(
     dual_problem = DualProblem{T}(
         MOI.Bridges.full_bridge_optimizer(
             MOI.Utilities.CachingOptimizer(
-                MOI.Utilities.UniversalFallback(DualizableModel{T}()),
+                MOI.Utilities.UniversalFallback(MOI.Utilities.Model{T}()),
                 dual_optimizer,
             ),
             T,
         ),
     )
     # discover the type of
-    # MOI.Utilities.CachingOptimizer(DualizableModel{T}(), dual_optimizer)
+    # MOI.Utilities.CachingOptimizer(MOI.Utilities.Model{T}(), dual_optimizer)
     OptimizerType = typeof(dual_problem.dual_model)
     return DualOptimizer{T,OptimizerType}(dual_problem, kwargs...)
 end

src/structures.jl

@@ -3,28 +3,6 @@
 # Use of this source code is governed by an MIT-style license that can be found
 # in the LICENSE.md file or at https://opensource.org/licenses/MIT.
 
-MOI.Utilities.@model(
-    DualizableModel,
-    (),
-    (MOI.EqualTo, MOI.GreaterThan, MOI.LessThan),
-    (
-        MOI.Reals,
-        MOI.Zeros,
-        MOI.Nonnegatives,
-        MOI.Nonpositives,
-        MOI.SecondOrderCone,
-        MOI.RotatedSecondOrderCone,
-        MOI.ExponentialCone,
-        MOI.DualExponentialCone,
-        MOI.PositiveSemidefiniteConeTriangle,
-    ),
-    (MOI.PowerCone, MOI.DualPowerCone),
-    (),
-    (MOI.ScalarAffineFunction,),
-    (MOI.VectorOfVariables,),
-    (MOI.VectorAffineFunction,)
-)
-
 """
     PrimalVariableData{T}
 
@@ -304,7 +282,7 @@ Result of the `dualize` function. Contains the fields:
     (`VariableIndex` and `ConstraintIndex`) and other data.
 """
 struct DualProblem{T,OT<:MOI.ModelLike}
-    dual_model::OT #It can be a model from an optimizer or a DualizableModel{T}
+    dual_model::OT # Inner model or optimizer
     primal_dual_map::PrimalDualMap{T}
 
     function DualProblem{T}(
@@ -324,5 +302,5 @@ function DualProblem(dual_optimizer::OT) where {OT<:MOI.ModelLike}
 end
 
 function DualProblem{T}() where {T}
-    return DualProblem{T}(DualizableModel{T}(), PrimalDualMap{T}())
+    return DualProblem{T}(MOI.Utilities.Model{T}(), PrimalDualMap{T}())
 end

test/Tests/test_MOI_wrapper.jl

@@ -6,9 +6,8 @@
 @testset "MOI_wrapper.jl" begin
     for opt in dual_linear_optimizer
         linear_config = MOI.Test.Config(atol = 1e-6, rtol = 1e-6)
-        linear_cache = MOI.Utilities.UniversalFallback(
-            Dualization.DualizableModel{Float64}(),
-        )
+        linear_cache =
+            MOI.Utilities.UniversalFallback(MOI.Utilities.Model{Float64}())
         MOI.empty!(opt)
         linear_cached = MOI.Utilities.CachingOptimizer(linear_cache, opt)
         linear_bridged =
@@ -38,9 +37,8 @@
     for opt in dual_conic_optimizer
         opt = dual_conic_optimizer[1]
         conic_config = MOI.Test.Config(atol = 1e-4, rtol = 1e-4)
-        conic_cache = MOI.Utilities.UniversalFallback(
-            Dualization.DualizableModel{Float64}(),
-        )
+        conic_cache =
+            MOI.Utilities.UniversalFallback(MOI.Utilities.Model{Float64}())
         conic_cached = MOI.Utilities.CachingOptimizer(conic_cache, opt)
         conic_bridged = MOI.Bridges.full_bridge_optimizer(conic_cached, Float64)