From 892271fd087ec2014cabacc45f95f2aa914dbbaf Mon Sep 17 00:00:00 2001
From: Joachim Schoeberl <joachim.schoeberl@tuwien.ac.at>
Date: Fri, 10 Jan 2025 16:59:43 +0100
Subject: [PATCH] proper initialize face2surfedl

---
 libsrc/meshing/topology.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libsrc/meshing/topology.cpp b/libsrc/meshing/topology.cpp
index ff104cf3..20c3eca3 100644
--- a/libsrc/meshing/topology.cpp
+++ b/libsrc/meshing/topology.cpp
@@ -1227,7 +1227,7 @@ namespace netgen
 
 
 	face2surfel.SetSize (nfa);
-	face2surfel = 0;
+	face2surfel = SurfaceElementIndex::INVALID;
 	for (SurfaceElementIndex sei = 0; sei < nse; sei++)
 	  face2surfel[GetFace(sei)] = sei;