std::isnan is not constexpr in C++17

2 years ago · d512e09eb8
1 changed files with 2 additions and 0 deletions
--- a/libs/kimath/include/math/util.h
+++ b/libs/kimath/include/math/util.h
@ -102,6 +102,7 @@ constexpr ret_type KiROUND( fp_type v )
        else
            return 0;
    }
+#if __cplusplus >= 202302L // isnan is not constexpr until C++23
    else if constexpr( std::is_floating_point_v<fp_type> )
    {
        if( std::isnan( v ) )
@ -111,6 +112,7 @@ constexpr ret_type KiROUND( fp_type v )
            return 0;
        }
    }
+#endif

    return ret_type( max_ret( ret ) );
 }