Move StructuralTransformations to MTK

Author: YingboMa

LICENSE.md

@@ -38,3 +38,29 @@ The ModelingToolkit.jl package is licensed under the MIT "Expat" License:
 > SOFTWARE.
 >
 >
+
+The code in `src/structural_transformation/bipartite_tearing/modia_tearing.jl`,
+which is from the [Modia.jl](https://github.com/ModiaSim/Modia.jl) project, is
+licensed as follows:
+
+MIT License
+
+Copyright (c) 2017-2018 ModiaSim developers
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Project.toml

@@ -21,6 +21,7 @@ LightGraphs = "093fc24a-ae57-5d10-9952-331d41423f4d"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
 NaNMath = "77ba4419-2d1f-58cd-9bb1-8ffee604a2e3"
+NonlinearSolve = "8913a72c-1f9b-4ce2-8d82-65094dcecaec"
 RecursiveArrayTools = "731186ca-8d62-57ce-b412-fbd966d074cd"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 Requires = "ae029012-a4dd-5104-9daa-d747884805df"
@@ -51,6 +52,7 @@ Latexify = "0.11, 0.12, 0.13, 0.14"
 LightGraphs = "1.3"
 MacroTools = "0.5"
 NaNMath = "0.3"
+NonlinearSolve = "0.3.8"
 RecursiveArrayTools = "2.3"
 Reexport = "0.2, 1"
 Requires = "1.0"

src/ModelingToolkit.jl

@@ -1,6 +1,6 @@
 module ModelingToolkit
 
-using DiffEqBase, SciMLBase
+using DiffEqBase, SciMLBase, Reexport
 using Distributed
 using StaticArrays, LinearAlgebra, SparseArrays, LabelledArrays
 using Latexify, Unitful, ArrayInterface
@@ -249,6 +249,8 @@ include("systems/systemstructure.jl")
 using .SystemStructures
 
 include("systems/alias_elimination.jl")
+include("structural_transformation/StructuralTransformations.jl")
+@reexport using .StructuralTransformations
 
 include("latexify_recipes.jl")
 include("build_function.jl")