From: adamkosik <adam.kosik@atlas.cz>
Date: Sun, 8 Nov 2015 22:10:57 +0000 (+0100)
Subject: FETools::project_dg, initialize output to zero
X-Git-Tag: v8.4.0-rc2~238^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40fd113144ceb1f4ac78d6e672c8e9fd25afbecd;p=dealii.git

FETools::project_dg, initialize output to zero
---

diff --git a/source/fe/fe_tools_interpolate.cc b/source/fe/fe_tools_interpolate.cc
index ada241182b..989e01aa9c 100644
--- a/source/fe/fe_tools_interpolate.cc
+++ b/source/fe/fe_tools_interpolate.cc
@@ -721,6 +721,7 @@ namespace FETools
     FullMatrix<double> matrix(n2,n1);
     get_projection_matrix(dof1.get_fe(), dof2.get_fe(), matrix);
 
+    u2 = 0;
     while (cell2 != end)
       {
         cell1->get_dof_values(u1, u1_local);