@node nextdownf
@section @code{nextdownf}
@findex nextdownf

Documentation:
@itemize
@item
@ifinfo
@ref{FP Bit Twiddling,,Setting and modifying single bits of FP values,libc},
@end ifinfo
@ifnotinfo
@url{https://www.gnu.org/software/libc/manual/html_node/FP-Bit-Twiddling.html},
@end ifnotinfo
@item
@uref{https://www.kernel.org/doc/man-pages/online/pages/man3/nextdownf.3.html,,man nextdownf}.
@end itemize

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on all non-glibc platforms:
glibc 2.23, Mac OS X 10.5, FreeBSD 12.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.4, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize