From: tcclevenger <tcleven@clemson.edu>
Date: Sat, 18 Mar 2017 14:28:37 +0000 (-0400)
Subject: const settings and assert for construct_mg
X-Git-Tag: v9.0.0-rc1~1769^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=122848316c85d554dea7157a6ccc712d7ede166f;p=dealii.git

const settings and assert for construct_mg
---

diff --git a/include/deal.II/distributed/shared_tria.h b/include/deal.II/distributed/shared_tria.h
index c420786c92..c1a53576b5 100644
--- a/include/deal.II/distributed/shared_tria.h
+++ b/include/deal.II/distributed/shared_tria.h
@@ -211,7 +211,7 @@ namespace parallel
       /**
        * Settings
        */
-      Settings settings;
+      const Settings settings;
 
       /**
        * A flag to decide whether or not artificial cells are allowed.
diff --git a/source/distributed/shared_tria.cc b/source/distributed/shared_tria.cc
index 31903f812b..2c8c7b9431 100644
--- a/source/distributed/shared_tria.cc
+++ b/source/distributed/shared_tria.cc
@@ -46,7 +46,11 @@ namespace parallel
              (settings & (partition_metis | partition_zorder | partition_custom_signal)) == partition_zorder ||
              (settings & (partition_metis | partition_zorder | partition_custom_signal)) == partition_custom_signal,
              ExcMessage ("Settings must contain exactly one type of active cell partitioning scheme."))
-    }
+
+      if (settings & construct_multigrid_hierarchy)
+        Assert(allow_artificial_cells,
+               ExcMessage ("construct_multigrid_hierarchy requires allow_artificial_cells to be set to true."))
+      }