From a0326e9b21ba4220c675e2e03381c2c21340a146 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mael=20Rouxel-Labb=C3=A9?=
 <mael.rouxel.labbe@geometryfactory.com>
Date: Wed, 19 Mar 2025 16:37:47 +0100
Subject: [PATCH] Use constexpr ifs

---
 Isosurfacing_3/include/CGAL/Isosurfacing_3/IO/Image_3.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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 1812bf298ee..c41274fdf8b 100644
--- a/Isosurfacing_3/include/CGAL/Isosurfacing_3/IO/Image_3.h
+++ b/Isosurfacing_3/include/CGAL/Isosurfacing_3/IO/Image_3.h
@@ -103,14 +103,14 @@ CGAL::Image_3 convert_grid_to_image(const Grid& grid,
 
   // select number type
   WORD_KIND wordkind;
-  if(std::is_floating_point<FT>::value) // @fixme seems meaningless given that vx vy vz are doubles
+  if constexpr(std::is_floating_point_v<FT>)
     wordkind = WK_FLOAT;
   else
     wordkind = WK_FIXED;
 
   // select signed or unsigned
   SIGN sign;
-  if(std::is_signed<FT>::value)
+  if constexpr(std::is_signed_v<FT>)
     sign = SGN_SIGNED;
   else
     sign = SGN_UNSIGNED;