Add Interpolation module and extend Core with utilities from CTModels

- New Interpolation module with ctinterpolate functions
- Extended Core with matrix_utils, function_utils, macros
- Updated docs/api_reference.jl for new modules
- Moved DeepWiki tip in index.md

Author: ocots

docs/api_reference.jl

@@ -22,6 +22,9 @@ function generate_api_reference(src_dir::String)
                     joinpath("Core", "Core.jl"),
                     joinpath("Core", "default.jl"),
                     joinpath("Core", "types.jl"),
+                    joinpath("Core", "matrix_utils.jl"),
+                    joinpath("Core", "function_utils.jl"),
+                    joinpath("Core", "macros.jl"),
                 ),
             ],
             exclude=EXCLUDE_SYMBOLS,
@@ -31,6 +34,21 @@ function generate_api_reference(src_dir::String)
             title_in_menu="Core",
             filename="core",
         ),
+        CTBase.automatic_reference_documentation(;
+            subdirectory="api",
+            primary_modules=[
+                CTBase.Interpolation => src(
+                    joinpath("Interpolation", "Interpolation.jl"),
+                    joinpath("Interpolation", "ctinterpolate.jl"),
+                ),
+            ],
+            exclude=EXCLUDE_SYMBOLS,
+            public=true,
+            private=false,
+            title="Interpolation",
+            title_in_menu="Interpolation",
+            filename="interpolation",
+        ),
         CTBase.automatic_reference_documentation(;
             subdirectory="api",
             primary_modules=[

docs/src/index.md

@@ -1,9 +1,5 @@
 # CTBase.jl — Ecosystem Foundation
 
-!!! tip "Ask DeepWiki"
-    [![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/control-toolbox/CTBase.jl) offers an interactive, AI-generated overview of this codebase. Answers may be inaccurate — use this
-    reference documentation as the source of truth.
-
 ```@meta
 CurrentModule = CTBase
 ```
@@ -20,6 +16,10 @@ It provides the **base layer** shared by all packages: common types, structured
     Downstream packages (e.g. [OptimalControl.jl](https://github.com/control-toolbox/OptimalControl.jl))
     may re-export selected symbols for convenience.
 
+!!! tip "Ask DeepWiki"
+    [![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/control-toolbox/CTBase.jl) offers an interactive, AI-generated overview of this codebase. Answers may be inaccurate — use this
+    reference documentation as the source of truth.
+
 ## Submodule overview
 
 | Submodule | Role |

src/CTBase.jl

@@ -32,4 +32,8 @@ using .Descriptions
 include(joinpath(@__DIR__, "Extensions", "Extensions.jl"))
 using .Extensions
 
+# Interpolation module - interpolation utilities
+include(joinpath(@__DIR__, "Interpolation", "Interpolation.jl"))
+using .Interpolation
+
 end

src/Core/Core.jl

@@ -13,7 +13,14 @@ import DocStringExtensions: TYPEDEF, TYPEDSIGNATURES
 include("types.jl")
 include("default.jl")
 
+# Private utilities
+include("function_utils.jl")
+include("macros.jl")
+
+# Public utilities
+include("matrix_utils.jl")
+
 # Export public API
-export ctNumber
+export ctNumber, matrix2vec, to_out_of_place, @ensure
 
 end # module