@node atanl
@section @code{atanl}
@findex atanl

POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/atanl.html}

Gnulib module: atanl

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, HP-UX 11, IRIX 6.5, Solaris 9, Cygwin, Interix 3.5, BeOS.
@item
This function is only defined as a macro with arguments on some platforms:
MSVC 9.
@item
This function is not declared on some platforms:
Mac OS X 10.3.
@end itemize

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