9.522 log1pf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/log1pf.html

Gnulib module: log1pf or log1pf-ieee

Portability problems fixed by either Gnulib module log1pf or log1pf-ieee:

• This function is missing on some platforms: Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 9, MSVC 9.
• This function returns a wrong value for the argument -1.0f on some platforms: IRIX 6.5.

Portability problems fixed by Gnulib module log1pf-ieee:

• This function has problems when the argument is minus zero on some platforms: OpenBSD 4.9, AIX 7.1.

Portability problems not fixed by Gnulib: