debug julia 1.6

Author: franckgaga

src/estimator/internal_model.jl

@@ -130,7 +130,7 @@ function matrices_internalmodel(model::LinModel)
     return Â, B̂u, Ĉ, B̂d, D̂d
 end
 "Return empty matrices if `model` is not a [`LinModel`](@ref)."
-matrices_internalmodel(::SimModel) = tuple(fill(Float64[;;],5)...)
+matrices_internalmodel(::SimModel) = tuple(fill(zeros(0, 0),5)...)
 
 @doc raw"""
     f̂(estim::InternalModel, x̂, u, d)

src/predictive_control.jl

@@ -886,7 +886,7 @@ function init_stochpred(estim::InternalModel, Hp)
     return Ks, Ps 
 end
 "Return empty matrices if `estim` is not a [`InternalModel`](@ref)."
-init_stochpred(::StateEstimator, _ ) = Float64[;;], Float64[;;]
+init_stochpred(::StateEstimator, _ ) = zeros(0, 0), zeros(0, 0)
 
 
 @doc raw"""

src/state_estim.jl

@@ -197,7 +197,7 @@ function augment_model(model::LinModel, As, Cs_u, Cs_y; verify_obsv=true)
     return Â, B̂u, Ĉ, B̂d, D̂d
 end
 "Return empty matrices if `model` is not a [`LinModel`](@ref)."
-augment_model(::SimModel, _ , _ , _ ) = tuple(fill(Float64[;;],5)...)
+augment_model(::SimModel, _ , _ , _ ) = tuple(fill(zeros(0, 0),5)...)
 
 
 @doc raw"""