From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Mon, 30 Apr 2018 15:27:28 +0000 (+0200)
Subject: Only invert bits up to the maximum possible in ~CacheUpdateFlags
X-Git-Tag: v9.0.0-rc1~55^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4521627faa47907cd71650ca19232eaf340c84d5;p=dealii.git

Only invert bits up to the maximum possible in ~CacheUpdateFlags
---

diff --git a/include/deal.II/grid/grid_tools_cache_update_flags.h b/include/deal.II/grid/grid_tools_cache_update_flags.h
index dbac866d3c..7ecf04a242 100644
--- a/include/deal.II/grid/grid_tools_cache_update_flags.h
+++ b/include/deal.II/grid/grid_tools_cache_update_flags.h
@@ -121,8 +121,8 @@ namespace GridTools
   operator ~ (const CacheUpdateFlags f1)
   {
     return static_cast<CacheUpdateFlags> (
-             ~static_cast<unsigned int> (f1)
-           );
+             static_cast<unsigned int> (f1) ^
+             static_cast<unsigned int> (update_all));
   }