@node exp2
@subsection @code{exp2}
@findex exp2

POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/exp2.html}

Gnulib module: exp2 or exp2-ieee
@mindex exp2
@mindex exp2-ieee

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, Solaris 9, MSVC 9.
@item
This function returns grossly wrong results on some platforms:
OpenBSD 4.9.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@end itemize
