From 010b5e0bd867fa42d25cfc4913bd4200e8e1633d Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Sun, 24 Oct 2021 19:56:20 -0600
Subject: [PATCH] Fix Patch member functions.

---
 source/base/data_out_base.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/source/base/data_out_base.cc b/source/base/data_out_base.cc
index 4a66fadcd3..15ea5df1c6 100644
--- a/source/base/data_out_base.cc
+++ b/source/base/data_out_base.cc
@@ -1981,6 +1981,9 @@ namespace DataOutBase
   bool
   Patch<dim, spacedim>::operator==(const Patch &patch) const
   {
+    if (reference_cell != patch.reference_cell)
+      return false;
+
     // TODO: make tolerance relative
     const double epsilon = 3e-16;
     for (const unsigned int i : GeometryInfo<dim>::vertex_indices())
@@ -2027,7 +2030,8 @@ namespace DataOutBase
             MemoryConsumption::memory_consumption(patch_index) +
             MemoryConsumption::memory_consumption(n_subdivisions) +
             MemoryConsumption::memory_consumption(data) +
-            MemoryConsumption::memory_consumption(points_are_available));
+            MemoryConsumption::memory_consumption(points_are_available) +
+            sizeof(reference_cell));
   }
 
 
-- 
2.39.5