small fix

acts-project · Dec 19, 2024 · 217b138 · 217b138
1 parent bf236b4
commit 217b138
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Core/include/Acts/Surfaces/Surface.hpp b/Core/include/Acts/Surfaces/Surface.hpp
@@ -256,7 +256,8 @@ class Surface : public virtual GeometryObject,
   /// @param metric The metric to use for the calculation
   /// @return The closest point on the boundary of the surface
   virtual Vector2 closestPointOnBounds(
-      const Vector2& lposition, std::optional<SquareMatrix2>& metric) const;
+      const Vector2& lposition,
+      const std::optional<SquareMatrix2>& metric) const;
 
   /// Calculates the distance to the boundary of the surface from a given point
   /// in local coordinates.