T(RN, 0x0p+0, 0x0p+0, 0x0p+0, 0) T(RN, -0x0p+0, -0x0p+0, 0x0p+0, 0) T(RN, inf, nan, 0x0p+0, INVALID) T(RN, -inf, nan, 0x0p+0, INVALID) T(RN, nan, nan, 0x0p+0, 0)