isnanf
------

Documentation:

  * Floating-Point Number Classification Functions (libc),

  * man isnanf.

Gnulib module: isnanf

Portability problems fixed by Gnulib:

  * This function is missing on some platforms: Mac OS X 10.5, Minix 3.1.8, AIX 5.1, HP-UX 11, MSVC 14.

Portability problems not fixed by Gnulib: