10.24.271 round ¶
POSIX specification:
https://pubs.opengroup.org/onlinepubs/9799919799/functions/round.html
Gnulib module: round or round-ieee
Portability problems fixed by either Gnulib module round or round-ieee:
- This function is missing on some platforms:
FreeBSD 5.2.1, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, Solaris 9, MSVC 9.
- This function is not declared on some platforms:
glibc 2.8.
- This functions returns a wrong result for x = 1/2 - 2^-54
on some platforms:
NetBSD 3.0, AIX 7.1, mingw with MSVCRT.
Portability problems fixed by Gnulib module round-ieee:
- This function returns a positive zero for an argument between −0.5 and 0
on some platforms:
AIX 7.1.
Portability problems not fixed by Gnulib: