* at most as many bits as our widest unsigned integer
* type is. We try to get a 64-bit unsigned integer
* even if we are not having 64-bit UV. */
-#if UVSIZE == 8
-# define MANTISSATYPE UV
-# define MANTISSASIZE UVSIZE
-#elif defined(HAS_QUAD) && defined(Uquad_t)
+#if defined(HAS_QUAD) && defined(Uquad_t)
# define MANTISSATYPE Uquad_t
# define MANTISSASIZE 8
#else
-# define MANTISSATYPE UV /* Will likely lose precision. */
+# define MANTISSATYPE UV /* May lose precision if UVSIZE is not 8. */
# define MANTISSASIZE UVSIZE
#endif