Remove FP8_Lowest/Max

src/targets/gpu/kernels/include/migraphx/kernels/float8.hpp

@@ -373,18 +373,6 @@ inline MIGRAPHX_HIP_DEVICE fp8e5m2 fabs(fp8e5m2 v)
     return v;
 }
 
-template <class T>
-MIGRAPHX_HIP_DEVICE constexpr T F8_Max()
-{
-    return T{0x7F, T::from_bits()};
-}
-
-template <class T>
-MIGRAPHX_HIP_DEVICE constexpr T F8_Lowest()
-{
-    return T{0xFF, T::from_bits()};
-}
-
 template <>
 class numeric_limits<fp8e4m3fnuz>
 {

src/targets/gpu/kernels/include/migraphx/kernels/type_traits.hpp

@@ -248,8 +248,9 @@ constexpr T numeric_max()
         return __FLT_MAX__;
     else if constexpr(is_same<T, migraphx::half>{})
         return __FLT16_MAX__;
+    // TODO: Do it generically for all fp8 types
     else if constexpr(is_same<T, migraphx::fp8::fp8e4m3fnuz>{})
-        return migraphx::fp8::F8_Max<T>();
+        return migraphx::fp8::numeric_limits<T>::max();
     else
         return 0;
 }
@@ -265,7 +266,7 @@ constexpr T numeric_lowest()
             return -numeric_max<T>() - 1;
     }
     else if constexpr(is_same<T, migraphx::fp8::fp8e4m3fnuz>{})
-        return migraphx::fp8::F8_Lowest<T>();
+        return migraphx::fp8::numeric_limits<T>::lowest();
     else
     {
         return -numeric_max<T>();