@node atanhf
@section @code{atanhf}
@findex atanhf

POSIX specification: @url{http://www.opengroup.org/susv3xsh/atanhf.html}

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 9, mingw.
@end itemize