ieee754dp ieee754dp_funs(unsigned int u)
{
if ((int) u < 0)
return ieee754dp_add(ieee754dp_1e31(),
ieee754dp_fint(u & ~(1 << 31)));
return ieee754dp_fint(u);
}
ieee754dp ieee754dp_logb(ieee754dp x)
{
COMPXDP;
CLEARCX;
EXPLODEXDP;
switch (xc) {
case IEEE754_CLASS_SNAN:
return ieee754dp_nanxcpt(x, "logb", x);
case IEEE754_CLASS_QNAN:
return x;
case IEEE754_CLASS_INF:
return ieee754dp_inf(0);
case IEEE754_CLASS_ZERO:
return ieee754dp_inf(1);
case IEEE754_CLASS_DNORM:
DPDNORMX;
break;
case IEEE754_CLASS_NORM:
break;
}
return ieee754dp_fint(xe);
}
