1T(RN,          0x0p+0,          0x0p+0,          0x0p+0, 0)
2T(RN,         -0x0p+0,         -0x0p+0,          0x0p+0, 0)
3T(RN,             inf,          0x0p+0,          0x0p+0, 0)
4T(RN,            -inf,          0x0p+0,          0x0p+0, 0)
5T(RN,             nan,             nan,          0x0p+0, 0)
6