@node ieee754.h
@section @file{ieee754.h}

Defines the types @code{union ieee754_float}, @code{union ieee754_double},
@code{union ieee854_long_double}.

Gnulib module: ieee754-h
@mindex ieee754-h

Portability problems fixed by Gnulib:
@itemize
@item
This header file is missing on all non-glibc platforms:
glibc/sparc64 in 32-bit mode, macOS 14, FreeBSD 14.0, NetBSD 10.0, OpenBSD 7.9, Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 11.4, Cygwin, mingw, MSVC 14, Android 9.0.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
The substitute for this header file has not been tested for @code{long
double} and does not work on some platforms.

@item
The substitute for this header file returns nonsense on (now-quite-rare)
platforms that do not use IEEE floating point, such as Linux/m68k.
@end itemize
