ilogbl
int ilogbl(long double) __pure2;
extern int ilogbl(long double);
e0 = ilogbl(z) - 23;
n = ilogbl(x);
extern int ilogbl(long double);
return (scalbnl(x, -ilogbl(x)));
e0 = ilogbl(z) - 23;
k = (ilogbl(y) - ilogbl(x));
n = ilogbl(x);
n = ilogbl(x);
n = ilogbl(x);
extern int ilogbl(long double);
return (scalbnl(x, -ilogbl(x)));