From 2cd718a0e775fe95f4f6eb2afae927f2f812fdfe Mon Sep 17 00:00:00 2001
From: Marc Glisse <marc.glisse@inria.fr>
Date: Wed, 14 Feb 2024 09:36:15 +0100
Subject: [PATCH] Use a signed type for the index

value -1 is used
---
 .../include/CGAL/TDS_full_cell_mirror_storage_policy.h        | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Triangulation/include/CGAL/TDS_full_cell_mirror_storage_policy.h b/Triangulation/include/CGAL/TDS_full_cell_mirror_storage_policy.h
index 748e82286e9..63176f5ed30 100644
--- a/Triangulation/include/CGAL/TDS_full_cell_mirror_storage_policy.h
+++ b/Triangulation/include/CGAL/TDS_full_cell_mirror_storage_policy.h
@@ -30,7 +30,7 @@ struct   TFC_data< Vertex_handle, Full_cell_handle, Maximal_dimension, TDS_full_
     typedef TFC_data< Vertex_handle, Full_cell_handle, Maximal_dimension, TDS_full_cell_default_storage_policy > Base;
     typedef typename Base::Vertex_handle_array          Vertex_handle_array;
     typedef typename Base::Full_cell_handle_array         Full_cell_handle_array;
-    typedef typename internal::S_or_D_array< std::uint_least8_t, typename Base::Dimen_plus >   Int_array;
+    typedef typename internal::S_or_D_array< std::int_least8_t, typename Base::Dimen_plus >   Int_array;
 
 private:
     Int_array            mirror_vertices_;
@@ -42,7 +42,7 @@ public:
 
     void set_mirror_index(const int i, const int index)
     {
-        mirror_vertices_[i] = static_cast<std::uint_least8_t>(index);
+        mirror_vertices_[i] = static_cast<std::int_least8_t>(index);
     }
     int mirror_index(const int i) const
     {