From 0af8e20f7a3b0e073ed8ca92f224e7487a94ab52 Mon Sep 17 00:00:00 2001
From: serge-sans-paille <serge.guelton@telecom-bretagne.eu>
Date: Fri, 19 Apr 2024 20:37:22 +0200
Subject: [PATCH] Fix overload of abs for char type (part 2)

---
 include/xsimd/arch/xsimd_scalar.hpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/xsimd/arch/xsimd_scalar.hpp b/include/xsimd/arch/xsimd_scalar.hpp
index 02144e569..38b9f841d 100644
--- a/include/xsimd/arch/xsimd_scalar.hpp
+++ b/include/xsimd/arch/xsimd_scalar.hpp
@@ -93,11 +93,15 @@ namespace xsimd
 
     namespace detail
     {
-        inline char abs(char v, std::true_type)
+        // Use templated type here to prevent automatic instantiation that may
+        // ends up in a warning
+        template <typename char_type>
+        inline char abs(char_type v, std::true_type)
         {
             return v;
         }
-        inline char abs(char v, std::false_type)
+        template <typename char_type>
+        inline char abs(char_type v, std::false_type)
         {
             return v < 0 ? -v : v;
         }