From cb83e20ac7eaf699d408fc3b39813ed7ae757dfd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mael=20Rouxel-Labb=C3=A9?=
 <mael.rouxel.labbe@geometryfactory.com>
Date: Wed, 26 Oct 2022 21:54:12 +0200
Subject: [PATCH] Add a more generic check for non-manifoldness (it can be more
 than 4 inc cells)

---
 SMDS_3/include/CGAL/SMDS_3/tet_soup_to_c3t3.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/SMDS_3/include/CGAL/SMDS_3/tet_soup_to_c3t3.h b/SMDS_3/include/CGAL/SMDS_3/tet_soup_to_c3t3.h
index 3ce8f01eaf3..b0c129579aa 100644
--- a/SMDS_3/include/CGAL/SMDS_3/tet_soup_to_c3t3.h
+++ b/SMDS_3/include/CGAL/SMDS_3/tet_soup_to_c3t3.h
@@ -392,6 +392,7 @@ bool assign_neighbors(Tr& tr,
       CGAL_assertion_code(const auto& f = icit->first);
       CGAL_assertion(is_infinite(f, tr));
 
+      CGAL_assertion(adjacent_cells.size() % 2 == 0);
       success = false;
     }
   }