base_math: Add sign() for unsigned<T>

1 files changed, 10 insertions, 1 deletions

diff --git a/include/jau/base_math.hpp b/include/jau/base_math.hpp
index 84a38b2..29be3f8 100644
--- a/include/jau/base_math.hpp
+++ b/include/jau/base_math.hpp
@@ -79,11 +79,20 @@ namespace jau {
      * @return function result
      */
     template <typename T,
-              std::enable_if_t< std::is_arithmetic_v<T>, bool> = true>
+              std::enable_if_t< std::is_arithmetic_v<T> &&
+                               !std::is_unsigned_v<T>, bool> = true>
     constexpr int sign(const T x) noexcept
     {
         return (int) ( (T(0) < x) - (x < T(0)) );
     }
+    
+    template <typename T,
+              std::enable_if_t< std::is_arithmetic_v<T> &&
+                                std::is_unsigned_v<T>, bool> = true>
+    constexpr int sign(const T x) noexcept
+    {
+        return (int) ( T(0) < x );
+    }
 
     /**
      * Safely inverts the sign of an arithmetic number w/ branching in O(1)