From d72d150f6579d7885b0f89a75c76015b3a2a4ba4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mael=20Rouxel-Labb=C3=A9?=
 <mael.rouxel.labbe@geometryfactory.com>
Date: Sun, 25 Feb 2024 01:04:24 +0100
Subject: [PATCH] Silence warnings

---
 .../include/CGAL/Isosurfacing_3/Cartesian_grid_3.h          | 6 +++---
 Isosurfacing_3/include/CGAL/Isosurfacing_3/IO/Image_3.h     | 1 -
 .../include/CGAL/Isosurfacing_3/internal/Octree_wrapper.h   | 2 +-
 .../include/CGAL/Isosurfacing_3/interpolation_schemes_3.h   | 6 +++---
 4 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/Isosurfacing_3/include/CGAL/Isosurfacing_3/Cartesian_grid_3.h b/Isosurfacing_3/include/CGAL/Isosurfacing_3/Cartesian_grid_3.h
index ef066dcd8e0..0bc48d095ff 100644
--- a/Isosurfacing_3/include/CGAL/Isosurfacing_3/Cartesian_grid_3.h
+++ b/Isosurfacing_3/include/CGAL/Isosurfacing_3/Cartesian_grid_3.h
@@ -298,9 +298,9 @@ public:
     typename Geom_traits::Construct_vertex_3 vertex = m_gt.construct_vertex_3_object();
 
     const Point_3& min_p = vertex(m_span, 0);
-    std::size_t i = (x_coord(p) - x_coord(min_p)) / x_coord(m_spacing);
-    std::size_t j = (y_coord(p) - y_coord(min_p)) / y_coord(m_spacing);
-    std::size_t k = (z_coord(p) - z_coord(min_p)) / z_coord(m_spacing);
+    std::size_t i = std::size_t((x_coord(p) - x_coord(min_p)) / x_coord(m_spacing));
+    std::size_t j = std::size_t((y_coord(p) - y_coord(min_p)) / y_coord(m_spacing));
+    std::size_t k = std::size_t((z_coord(p) - z_coord(min_p)) / z_coord(m_spacing));
 
     if(i == xdim() - 1)
       --i;
diff --git a/Isosurfacing_3/include/CGAL/Isosurfacing_3/IO/Image_3.h b/Isosurfacing_3/include/CGAL/Isosurfacing_3/IO/Image_3.h
index a613b16747e..51e6e2a57ba 100644
--- a/Isosurfacing_3/include/CGAL/Isosurfacing_3/IO/Image_3.h
+++ b/Isosurfacing_3/include/CGAL/Isosurfacing_3/IO/Image_3.h
@@ -46,7 +46,6 @@ bool read_Image_3(const CGAL::Image_3& image,
 {
   using Geom_traits = typename Grid::Geom_traits;
   using FT = typename Geom_traits::FT;
-  using Point_3 = typename Geom_traits::Point_3;
   using Iso_cuboid_3 = typename Geom_traits::Iso_cuboid_3;
 
   typename Geom_traits::Construct_point_3 point = grid.geom_traits().construct_point_3_object();
diff --git a/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/Octree_wrapper.h b/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/Octree_wrapper.h
index 5fc1fc98849..6228b68c842 100644
--- a/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/Octree_wrapper.h
+++ b/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/Octree_wrapper.h
@@ -464,7 +464,7 @@ public:
     const auto& depth = node.depth();
 
     std::array<Edge_handle, internal::Cube_table::N_EDGES> edges;
-    for(int e_id=0; e_id<edges.size(); ++e_id)
+    for(std::size_t e_id=0; e_id<edges.size(); ++e_id)
     {
       const std::size_t e_gl = e_glIndex(e_id, coords_global[0], coords_global[1], coords_global[2], depth);
       edges[e_id] = {e_gl, depth};
diff --git a/Isosurfacing_3/include/CGAL/Isosurfacing_3/interpolation_schemes_3.h b/Isosurfacing_3/include/CGAL/Isosurfacing_3/interpolation_schemes_3.h
index b837dc7ff6f..7f87ee4ce75 100644
--- a/Isosurfacing_3/include/CGAL/Isosurfacing_3/interpolation_schemes_3.h
+++ b/Isosurfacing_3/include/CGAL/Isosurfacing_3/interpolation_schemes_3.h
@@ -66,9 +66,9 @@ public:
 
     // calculate min index including border case
     const Point_3& min_p = vertex(span, 0);
-    std::size_t i = (x_coord(p) - x_coord(min_p)) / x_coord(spacing);
-    std::size_t j = (y_coord(p) - y_coord(min_p)) / y_coord(spacing);
-    std::size_t k = (z_coord(p) - z_coord(min_p)) / z_coord(spacing);
+    std::size_t i = std::size_t((x_coord(p) - x_coord(min_p)) / x_coord(spacing));
+    std::size_t j = std::size_t((y_coord(p) - y_coord(min_p)) / y_coord(spacing));
+    std::size_t k = std::size_t((z_coord(p) - z_coord(min_p)) / z_coord(spacing));
 
     if(i == g.xdim() - 1)
       --i;