@node atanf
@section @code{atanf}
@findex atanf

POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/atanf.html}

Gnulib module: atanf

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
Minix 3.1.8, AIX 5.1, Solaris 9.
@item
This function is only defined as a macro with arguments on some platforms:
MSVC 14.
@end itemize

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