From de66f15a0a29d3c4716347a126bc87f4105a2b09 Mon Sep 17 00:00:00 2001
From: Turo Lamminen <turotl@gmail.com>
Date: Mon, 2 Feb 2015 16:03:24 +0200
Subject: [PATCH] Fix division by zero

---
 code/IFCUtil.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/IFCUtil.cpp b/code/IFCUtil.cpp
index 97358257c..38fd400e0 100644
--- a/code/IFCUtil.cpp
+++ b/code/IFCUtil.cpp
@@ -122,7 +122,7 @@ void TempMesh::Transform(const IfcMatrix4& mat)
 // ------------------------------------------------------------------------------
 IfcVector3 TempMesh::Center() const
 {
-	return std::accumulate(verts.begin(),verts.end(),IfcVector3()) / static_cast<IfcFloat>(verts.size());
+	return (verts.size() == 0) ? IfcVector3(0.0f, 0.0f, 0.0f) : (std::accumulate(verts.begin(),verts.end(),IfcVector3()) / static_cast<IfcFloat>(verts.size()));
 }
 
 // ------------------------------------------------------------------------------------------------