round
=====

POSIX specification: http://www.opengroup.org/onlinepubs/9699919799/functions/round.html

Gnulib module: round

Portability problems fixed by Gnulib:

  * This function is missing on some platforms: FreeBSD 5.2.1, OpenBSD 3.8, AIX 5.1, IRIX 6.5, OSF/1 4.0, Solaris 9, Interix 3.5.

  * This functions returns a wrong result for x = 1/2 - 2^-54 on some platforms: NetBSD 3.0.

Portability problems not fixed by Gnulib: