T7
T7 = 0x1.ba1ba1ba1ba1ba1ba1ba1b694cd6p-5L,
v = z * (T7 + w * (T11 + w * (T15 + w * (T19 + w * (T23 +
T7 = 0.0539682539682504975744L, /* 0xdd0dd0dd0dc13ba2.0p-68 */
v = z * (T7 + w * (T11 + w * (T15 + w * (T19 + w * (T23 +