Handle empty parameters correctly

JuliaGameTheoreticPlanning · Nov 22, 2023 · 555eead · 555eead
1 parent 08c43c4
commit 555eead
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/src/parametric_problem.jl b/src/parametric_problem.jl
@@ -55,6 +55,10 @@ function ParametricMCP(
         Symbolics.@variables(z_symbolic[1:problem_size], θ_symbolic[1:parameter_dimension]) .|>
         Symbolics.scalarize
 
+    if isempty(θ_symbolic)
+        θ_symbolic = Symbolics.Num[]
+    end
+
     f_symbolic = f(z_symbolic, θ_symbolic)
 
     ParametricMCP(

diff --git a/src/solver.jl b/src/solver.jl
@@ -11,7 +11,7 @@ function solve(
     length(initial_guess) == get_problem_size(problem) ||
         throw(ArgumentError("initial guess must have length $(get_problem_size(problem))"))
     length(θ) == get_parameter_dimension(problem) ||
-        throw(ArgumentError("θ must have length $(get_parameter_dimension(problem))"))
+        throw(ArgumentError("θ must have length $(get_parameter_dimension(problem)), got $(θ)"))
 
     (; f!, jacobian_z!, lower_bounds, upper_bounds) = problem