if (!e) {
u.bits <<= 9;
- if (u.bits == 0)
+ if (u.bits == 0) {
+ FORCE_EVAL(0/0.0f);
return FP_ILOGB0;
+ }
/* subnormal x */
for (e = -0x7f; u.bits < (uint32_t)1<<31; e--, u.bits<<=1);
return e;
}
- if (e == 0xff)
+ if (e == 0xff) {
+ FORCE_EVAL(0/0.0f);
return u.bits<<9 ? FP_ILOGBNAN : INT_MAX;
+ }
return e - 0x7f;
}