From b0eae542266fed22e8a4dce520d4f5f3d1771b72 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20Sch=C3=B6berl?= <joachim.schoeberl@tuwien.ac.at>
Date: Sun, 31 Mar 2019 07:42:15 +0200
Subject: [PATCH] bug fix: SingularPoint in hp-ref

---
 libsrc/csg/solid.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libsrc/csg/solid.hpp b/libsrc/csg/solid.hpp
index 193cb363..33592345 100644
--- a/libsrc/csg/solid.hpp
+++ b/libsrc/csg/solid.hpp
@@ -234,7 +234,7 @@ namespace netgen
 
   class ReducePrimitiveIterator : public SolidIterator
   {
-    const BoxSphere<3> & box;
+    BoxSphere<3> box;
   public:
     ReducePrimitiveIterator (const BoxSphere<3> & abox)
       : SolidIterator(), box(abox) { ; }