From: Peter Munch <peterrmuench@gmail.com>
Date: Sun, 20 Mar 2022 06:49:27 +0000 (+0100)
Subject: GC::create_geometric_coarsening_sequence() add assert
X-Git-Tag: v9.4.0-rc1~358^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dcf28cb9d95cd987f260b2cd41533631e3463953;p=dealii.git

GC::create_geometric_coarsening_sequence() add assert
---

diff --git a/include/deal.II/multigrid/mg_transfer_global_coarsening.templates.h b/include/deal.II/multigrid/mg_transfer_global_coarsening.templates.h
index eb4e0e98e7..f6aef50550 100644
--- a/include/deal.II/multigrid/mg_transfer_global_coarsening.templates.h
+++ b/include/deal.II/multigrid/mg_transfer_global_coarsening.templates.h
@@ -2320,6 +2320,8 @@ namespace MGTransferGlobalCoarseningTools
         coarse_grid_triangulations[l - 1] = new_tria;
       }
 
+    AssertDimension(coarse_grid_triangulations[0]->n_global_levels(), 1);
+
     return coarse_grid_triangulations;
   }
 
@@ -2430,6 +2432,8 @@ namespace MGTransferGlobalCoarseningTools
       }
 #endif
 
+    AssertDimension(coarse_grid_triangulations[0]->n_global_levels(), 1);
+
     return coarse_grid_triangulations;
   }