up display method

Author: ocots

src/solve.jl

@@ -6,6 +6,19 @@ The default value is true.
 """
 __display() = true
 
+"""
+Return the version of the current module as a string.
+
+This function returns the version number defined in the `Project.toml` of the package
+to which the current module belongs. It uses `@__MODULE__` to infer the calling context.
+
+# Example
+```julia-repl
+julia> version()   # e.g., "1.2.3"
+```
+"""
+version() = string(pkgversion(@__MODULE__))
+
 """
 $(TYPEDSIGNATURES)
 
@@ -112,12 +125,11 @@ function CommonSolve.solve(
 
     # display the chosen method
     if display
-        print("▫ This is OptimalControl running with: ")
+        print("▫ This is OptimalControl version v$(version()) running with: ")
         for (i, m) in enumerate(method)
-            sep = i == length(method) ? "." : ", "
+            sep = i == length(method) ? ".\n\n" : ", "
             printstyled(string(m) * sep, color = :cyan, bold = true)
         end
-        println("\n")
     end
 
     # solve the problem

test/extras/ocp.jl

@@ -0,0 +1,27 @@
+using Pkg
+Pkg.activate(".")
+
+using OptimalControl
+
+# activate NLP modelers
+using ADNLPModels
+# + using ExaModels (in test_exa for now)
+
+# activate NLP solvers
+using NLPModelsIpopt
+using MadNLP
+
+@def ocp begin
+    tf ∈ R, variable
+    t ∈ [0, tf], time
+    x ∈ R², state
+    u ∈ R, control
+    -1 ≤ u(t) ≤ 1
+    x(0) == [0, 0]
+    x(tf) == [1, 0]
+    0.05 ≤ tf ≤ Inf
+    ẋ(t) == [x₂(t), u(t)]
+    tf → min
+end
+
+sol = solve(ocp, :adnlp, :ipopt; print_level=5);