Assert to check spacedim >= 2 in OpenCASCADE::NURBSPatchManifold

diff --git a/source/opencascade/boundary_lib.cc b/source/opencascade/boundary_lib.cc
index 1545c0f4c32824fc0b657dfb6672017d6f1d7a24..a420d2064c3018894bf959c092d299348e80211d 100644 (file)
--- a/source/opencascade/boundary_lib.cc
+++ b/source/opencascade/boundary_lib.cc
@@ -248,7 +248,9 @@ namespace OpenCASCADE
     curve(curve_adaptor(sh)),
     tolerance(tolerance),
     length(shape_length(sh))
-  {}
+  {
+    Assert(spacedim >= 2, ExcImpossibleInDimSpacedim(dim, spacedim));
+  }
 
 
   template <int dim, int spacedim>