From 49230bdd5bb2510352f31f72634f8b63b6ffc3be Mon Sep 17 00:00:00 2001
From: POUGET Marc <marc.pouget@inria.fr>
Date: Tue, 18 Mar 2025 10:38:56 +0100
Subject: [PATCH] changed int to size_t for pairings

---
 .../include/CGAL/Hyperbolic_fundamental_domain_2.h          | 6 +++---
 .../hs_test_domain.cpp                                      | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Triangulation_on_hyperbolic_surface_2/include/CGAL/Hyperbolic_fundamental_domain_2.h b/Triangulation_on_hyperbolic_surface_2/include/CGAL/Hyperbolic_fundamental_domain_2.h
index 93c4e2a23dc..99f854f81c3 100644
--- a/Triangulation_on_hyperbolic_surface_2/include/CGAL/Hyperbolic_fundamental_domain_2.h
+++ b/Triangulation_on_hyperbolic_surface_2/include/CGAL/Hyperbolic_fundamental_domain_2.h
@@ -43,7 +43,7 @@ public:
   Hyperbolic_fundamental_domain_2(PointRange & vertices, PairingRange & pairings)
   {
     _vertices = std::vector<Point>(vertices.begin(), vertices.end());
-    _pairings = std::vector<int>(pairings.begin(), pairings.end());
+    _pairings = std::vector<std::size_t>(pairings.begin(), pairings.end());
   }
 
   // returns the number of vertices (equivalently, the number of sides)
@@ -65,7 +65,7 @@ public:
 
 private:
   std::vector<Point> _vertices;
-  std::vector<int> _pairings;
+  std::vector<std::size_t> _pairings;
 };
 
 //template<class Traits> std::ostream& operator<<(std::ostream& s, const Hyperbolic_fundamental_domain_2<Traits>& domain);
@@ -197,7 +197,7 @@ is_valid()const
   }
   for (std::size_t k=0; k<n; ++k) {
     std::size_t paired_side = _pairings[k];
-    if ((paired_side<0) || (paired_side>=n)) {
+    if (paired_side>=n) {
       return false;
     }
     if (already_paired[paired_side]) {
diff --git a/Triangulation_on_hyperbolic_surface_2/test/Triangulation_on_hyperbolic_surface_2/hs_test_domain.cpp b/Triangulation_on_hyperbolic_surface_2/test/Triangulation_on_hyperbolic_surface_2/hs_test_domain.cpp
index fcbb99d5fdf..01d9f97e052 100644
--- a/Triangulation_on_hyperbolic_surface_2/test/Triangulation_on_hyperbolic_surface_2/hs_test_domain.cpp
+++ b/Triangulation_on_hyperbolic_surface_2/test/Triangulation_on_hyperbolic_surface_2/hs_test_domain.cpp
@@ -39,7 +39,7 @@ int main()
   vertices.push_back(z6);
   vertices.push_back(z7);
 
-  std::vector<int> pairings;
+  std::vector<std::size_t> pairings;
   for (std::size_t k=0; k<8; ++k) {
     pairings.push_back((k+4)%8);
   }