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12.19 ieee754.h

Defines the types union ieee754_float, union ieee754_double, union ieee854_long_double.

Gnulib module: —

Portability problems fixed by Gnulib:

• This header file is missing on all non-glibc platforms: glibc/sparc64 in 32-bit mode, macOS 11.1, FreeBSD 14.0, NetBSD 9.0, OpenBSD 6.7, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin, mingw, MSVC 14, Android 9.0.

Portability problems not fixed by Gnulib:

• The substitute for this header file has not been tested for long double and does not work on some platforms.
• The substitute for this header file returns nonsense on (now-quite-rare) platforms that do not use IEEE floating point.