changed: getinfo dictionnary value type is now Any

the `Union` type was overly complex and `getinfo` should not be used in "normal" operation, only for troubleshoothing. The computational performance are not that important (there is already many allocations in this function)

Author: franckgaga

src/controller/execute.jl

@@ -114,7 +114,7 @@ julia> round.(getinfo(mpc)[:Ŷ], digits=3)
 function getinfo(mpc::PredictiveController{NT}) where NT<:Real
     model    = mpc.estim.model
     nŶe, nUe = (mpc.Hp+1)*model.ny, (mpc.Hp+1)*model.nu 
-    info = Dict{Symbol, Union{JuMP._SolutionSummary, Vector{NT}, NT}}()
+    info = Dict{Symbol, Any}()
     Ŷ0, u0, û0  = similar(mpc.Yop), similar(model.uop), similar(model.uop)
     Ŷs          = similar(mpc.Yop)
     x̂0, x̂0next  = similar(mpc.estim.x̂0), similar(mpc.estim.x̂0)

src/estimator/mhe/execute.jl

@@ -108,8 +108,7 @@ function getinfo(estim::MovingHorizonEstimator{NT}) where NT<:Real
     nu, ny, nd = model.nu, model.ny, model.nd
     nx̂, nym, nŵ, nϵ = estim.nx̂, estim.nym, estim.nx̂, estim.nϵ
     nx̃ = nϵ + nx̂
-    MyTypes = Union{JuMP._SolutionSummary, Hermitian{NT, Matrix{NT}}, Vector{NT}, NT}
-    info = Dict{Symbol, MyTypes}()
+    info = Dict{Symbol, Any}()
     V̂,  X̂0 = similar(estim.Y0m[1:nym*Nk]), similar(estim.X̂0[1:nx̂*Nk])
     û0, ŷ0 = similar(model.uop), similar(model.yop)
     V̂,  X̂0 = predict!(V̂, X̂0, û0, ŷ0, estim, model, estim.Z̃)