ambiguity in delay

JuliaControl · May 16, 2021 · a51a366 · a51a366
1 parent e3dccfe
commit a51a366
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/types/DelayLtiSystem.jl b/src/types/DelayLtiSystem.jl
@@ -104,7 +104,7 @@ end
 # Efficient subtraction with number
 -(sys::DelayLtiSystem, n::T) where {T <:Number} = +(sys, -n)
 -(n::T, sys::DelayLtiSystem) where {T <:Number} = +(-sys, n)
-function /(anything, sys::DelayLtiSystem)
+function /(::LTISystem, sys::DelayLtiSystem)
     all(iszero, sys.Tau) || error("A delayed system can not be inverted. Consider use of the function `feedback`.")
     /(anything, sys.P.P) # If all delays are zero, invert the inner system
 end