Merge pull request #256 from scipopt/binbounds-fixed

binbounds fixed

Author: matbesancon

src/MOI_wrapper/variable.jl

@@ -223,17 +223,20 @@ function MOI.set(o::Optimizer, ::MOI.ConstraintSet, ci::CI{VI,S}, set::S) where
     allow_modification(o)
     v = var(o, VI(ci.value)) # cons index is actually var index
     lb, ub = bounds(set)
+    old_interval = get(o.binbounds, VI(ci.value), MOI.Interval(0.0, 1.0))
     if lb !== nothing
         if SCIPvarGetType(v) == SCIP_VARTYPE_BINARY
             lb = max(lb, 0.0)
         end
         @SCIP_CALL SCIPchgVarLb(o, v, lb)
+        o.binbounds[VI(ci.value)] = MOI.Interval(lb, old_interval.upper)
     end
     if ub !== nothing
         if SCIPvarGetType(v) == SCIP_VARTYPE_BINARY
             ub = min(ub, 1.0)
         end
         @SCIP_CALL SCIPchgVarUb(o, v, ub)
+        o.binbounds[VI(ci.value)] = MOI.Interval(old_interval.lower, ub)
     end
     return nothing
 end