P6
r = t + t * z * (P1 + z * (P2 + z * (P3 + z * (P4 + z * (P5 + z * (P6
P6 = 0x1.430912f86c7876f4b663b23c5fe5p-13L;
P6 = -1.66666666666666666666696142372698408e-1L, /* -0x15555555555555555567267a58e13.0p-115L */
d * (P4 + d * (P5 + d * (P6 + d * (P7 + d * (P8 +
d * (P4 + d * (P5 + d * (P6 + d * (P7 + d * (P8 +
z * (P6 + z * (P7 + z * P8)))))));
+ z * (P5 + z * P6))))) + t_hi;
P6 = 1.5413361552277414e-4; /* 0x1433ddacff3441.0p-65 */
P6 = -1.6666666072191585e-1, /* -0x15555548912c09.0p-55 */
val_lo = z * d * z * (z * (d * P8 + P7) + (d * P6 + P5)) +
val_lo = z * d * z * (z * (d * P8 + P7) + (d * P6 + P5)) +