Merge pull request #775 from SciML/myb/sl

issymbollike

Author: YingboMa

Project.toml

@@ -1,7 +1,7 @@
 name = "ModelingToolkit"
 uuid = "961ee093-0014-501f-94e3-6117800e7a78"
 authors = ["Chris Rackauckas <[email protected]>"]
-version = "5.3.0"
+version = "5.3.1"
 
 [deps]
 ArrayInterface = "4fba245c-0d91-5ea0-9b3e-6abc04ee57a9"

src/ModelingToolkit.jl

@@ -1,6 +1,7 @@
 module ModelingToolkit
 
-using DiffEqBase, Distributed
+using DiffEqBase, SciMLBase
+using Distributed
 using StaticArrays, LinearAlgebra, SparseArrays, LabelledArrays
 using Latexify, Unitful, ArrayInterface
 using MacroTools
@@ -55,6 +56,8 @@ Num(x::Num) = x # ideally this should never be called
 value(x) = x
 value(x::Num) = x.val
 
+SciMLBase.issymbollike(::Num) = true
+SciMLBase.issymbollike(::SymbolicUtils.Symbolic) = true
 
 SymbolicUtils.@number_methods(Num,
                               Num(f(value(a))),

test/optimizationsystem.jl

@@ -53,4 +53,4 @@ _p  = [1.0, 100.0]
 
 f = OptimizationFunction(rosenbrock,ModelingToolkit.AutoModelingToolkit(),x0,_p,grad=true,hess=true)
 prob = OptimizationProblem(f,x0,_p)
-sol = solve(prob,Optim.Newton()
+sol = solve(prob,Optim.Newton())