From: David Wells <wellsd2@rpi.edu>
Date: Sun, 10 Sep 2017 01:06:29 +0000 (-0400)
Subject: Add a default implementation for a template method.
X-Git-Tag: v9.0.0-rc1~854^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e48d7e64523b1898d6efadecbe408830386dc82f;p=dealii.git

Add a default implementation for a template method.
---

diff --git a/source/grid/tria_accessor.cc b/source/grid/tria_accessor.cc
index 74cf9b5fa9..0cc240e623 100644
--- a/source/grid/tria_accessor.cc
+++ b/source/grid/tria_accessor.cc
@@ -1133,6 +1133,15 @@ bounding_box () const
 
 
 
+template <int structdim, int dim, int spacedim>
+double TriaAccessor<structdim, dim, spacedim>::extent_in_direction(const unsigned int /*axis*/) const
+{
+  Assert(false, ExcNotImplemented());
+  return std::numeric_limits<double>::signaling_NaN();
+}
+
+
+
 template <>
 double TriaAccessor<1,1,1>::extent_in_direction(const unsigned int axis) const
 {