10.482 ilogbl
POSIX specification:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/ilogbl.html
Gnulib module: ilogbl
Portability problems fixed by Gnulib:
- This function is missing on some platforms:
FreeBSD 5.2.1, NetBSD 7.1, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 9, Cygwin 1.7.x, MSVC 9.
- This function returns a wrong result for a zero argument on some platforms:
Cygwin 2.9.
- This function returns a wrong result for a NaN argument on some platforms:
Cygwin 3.4.6.
- This function returns a wrong result for denormalized arguments on some platforms:
AIX 7.1 64-bit, Haiku 2017.
Portability problems not fixed by Gnulib: