if ((ix-0x3ff00000 | lx) == 0) {
/* acos(1)=0, acos(-1)=pi */
if (hx >> 31)
- return 2*pio2_hi + 0x1p-1000;
+ return 2*pio2_hi + 0x1p-120f;
return 0;
}
return 0/(x-x);
/* |x| < 0.5 */
if (ix < 0x3fe00000) {
if (ix <= 0x3c600000) /* |x| < 2**-57 */
- return pio2_hi + 0x1p-1000;
+ return pio2_hi + 0x1p-120f;
return pio2_hi - (x - (pio2_lo-x*R(x*x)));
}
/* x < -0.5 */