Merge pull request #58 from JuliaOpt/bl/moi7

Add support for MOI v0.7

Author: blegat

REQUIRE

@@ -1,4 +1,4 @@
 julia 0.7
-MathOptInterface 0.6 0.7
+MathOptInterface 0.7 0.8
 Mosek
 Compat 1

src/MathOptInterfaceMosek.jl

@@ -250,7 +250,7 @@ mutable struct MosekModel  <: MOI.AbstractOptimizer
     conecounter :: Int
 
     ###########################
-    trm :: Rescode
+    trm :: Union{Nothing, Rescode}
     solutions :: Vector{MosekSolution}
 
     ###########################
@@ -336,7 +336,7 @@ function MosekOptimizer(; kws...)
                       Int[], # c_block_slack
                       Int[], # c_coneid
                       0, # cone counter
-                      Mosek.MSK_RES_OK,# trm
+                      nothing,# trm
                       MosekSolution[],
                       true) # feasibility_sense
 end
@@ -418,11 +418,12 @@ function MOI.empty!(model::MosekModel)
     model.c_block_slack = Int[]
     model.c_coneid      = Int[]
     model.conecounter   = 0
-    model.trm           = Mosek.MSK_RES_OK
+    model.trm           = nothing
     model.solutions     = MosekSolution[]
     model.feasibility   = true
 end
 
+MOIU.supports_default_copy_to(::MosekModel, copy_names::Bool) = !copy_names
 function MOI.copy_to(dest::MosekModel, src::MOI.ModelLike; copy_names=true)
     return MOIU.default_copy_to(dest, src, copy_names)
 end

src/attributes.jl

@@ -486,31 +486,42 @@ end
 
 #### Status codes
 function MOI.get(m::MosekModel,attr::MOI.TerminationStatus)
-    if     m.trm == MSK_RES_OK
-        MOI.Success
+    if     m.trm === nothing
+        MOI.OptimizeNotCalled
+    elseif m.trm == MSK_RES_OK
+        if any(sol -> sol.solsta == MSK_SOL_STA_PRIM_INFEAS_CER, m.solutions)
+            MOI.Infeasible
+        elseif any(sol -> sol.solsta == MSK_SOL_STA_DUAL_INFEAS_CER,
+                   m.solutions)
+            MOI.DualInfeasible
+        else
+            MOI.Optimal
+        end
     elseif m.trm == MSK_RES_TRM_MAX_ITERATIONS
         MOI.IterationLimit
     elseif m.trm == MSK_RES_TRM_MAX_TIME
         MOI.TimeLimit
     elseif m.trm == MSK_RES_TRM_OBJECTIVE_RANGE
         MOI.ObjectiveLimit
     elseif m.trm == MSK_RES_TRM_MIO_NEAR_REL_GAP
-        MOI.AlmostSuccess
+        MOI.AlmostOptimal
     elseif m.trm == MSK_RES_TRM_MIO_NEAR_ABS_GAP
-        MOI.AlmostSuccess
+        MOI.AlmostOptimal
     elseif m.trm == MSK_RES_TRM_MIO_NUM_RELAXS
         MOI.OtherLimit
     elseif m.trm == MSK_RES_TRM_MIO_NUM_BRANCHES
         MOI.NodeLimit
     elseif m.trm == MSK_RES_TRM_NUM_MAX_NUM_INT_SOLUTIONS
         MOI.SolutionLimit
     elseif m.trm == MSK_RES_TRM_STALL
+        println("STALL")
         MOI.SlowProgress
     elseif m.trm == MSK_RES_TRM_USER_CALLBACK
         MOI.Interrupted
     elseif m.trm == MSK_RES_TRM_MAX_NUM_SETBACKS
         MOI.OtherLimit
     elseif m.trm == MSK_RES_TRM_NUMERICAL_PROBLEM
+        println("NUMERICAL_PROBLEM")
         MOI.SlowProgress
     elseif m.trm == MSK_RES_TRM_INTERNAL
         MOI.OtherError