@node totalorder
@subsection @code{totalorder}
@findex totalorder

ISO C23 specification:@* @url{https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3220.pdf} section F.10.12.1

Documentation:@*
@itemize
@item
@ifinfo
@ref{FP Comparison Functions,,Floating-Point Comparison Functions,libc}.
@end ifinfo
@ifnotinfo
@url{https://www.gnu.org/software/libc/manual/html_node/FP-Comparison-Functions.html}.
@end ifnotinfo
@item
@url{https://lists.gnu.org/archive/html/bug-gnulib/2023-10/msg00037.html}
@end itemize

Gnulib module: totalorder
@mindex totalorder

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on many platforms:
glibc 2.24, macOS 14, FreeBSD 14.0, NetBSD 10.0, OpenBSD 7.9, Minix 3.1.8, AIX 7.1, HP-UX 11.31, Solaris 11.4, Cygwin 2.9, mingw, MSVC 14, Android 9.0.
@item
This function has a different signature on some platforms:
glibc 2.30.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function treats signalling NaNs incorrectly on some platforms:
@c https://sourceware.org/PR30973
glibc 2.35/sh4.
@end itemize
