#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
long double scalbnl(long double x, int n)
{
- union IEEEl2bits scale;
+ union ldshape u;
if (n > 16383) {
x *= 0x1p16383L;
x *= 0x1p16383L;
n -= 16383;
if (n > 16383)
- return x * 0x1p16383L;
+ n = 16383;
}
} else if (n < -16382) {
- x *= 0x1p-16382L;
- n += 16382;
+ x *= 0x1p-16382L * 0x1p113L;
+ n += 16382 - 113;
if (n < -16382) {
- x *= 0x1p-16382L;
- n += 16382;
+ x *= 0x1p-16382L * 0x1p113L;
+ n += 16382 - 113;
if (n < -16382)
- return x * 0x1p-16382L;
+ n = -16382;
}
}
- scale.e = 1.0;
- scale.bits.exp = 0x3fff + n;
- return x * scale.e;
+ u.f = 1.0;
+ u.i.se = 0x3fff + n;
+ return x * u.f;
}
#endif