gettimeofday: port recent C++ fix to Emacs

[gnulib.git] / doc / posix-functions / round.texi

diff --git a/doc/posix-functions/round.texi b/doc/posix-functions/round.texi
index 888f7d9..a4aa9b1 100644 (file)
--- a/doc/posix-functions/round.texi
+++ b/doc/posix-functions/round.texi
@@ -4,21 +4,34 @@
 
 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/round.html}
 
-Gnulib module: round
+Gnulib module: round or round-ieee
 
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{round} or @code{round-ieee}:
 @itemize
 @item
 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.
+FreeBSD 5.2.1, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, older IRIX 6.5, OSF/1 4.0, Solaris 9, MSVC 9, Interix 3.5.
 @item
 This function is not declared on some platforms:
-OSF/1 5.1.
+glibc 2.8, IRIX 6.5, OSF/1 5.1.
 @item
-This functions returns a wrong result for x = 1/2 - 2^-54 on some platforms:
+This functions returns a wrong result for @math{x = 1/2 - 2^-54}
+on some platforms:
 NetBSD 3.0, AIX 7.1.
 @end itemize
 
+Portability problems fixed by Gnulib module @code{round-ieee}:
+@itemize
+@item
+This function returns a positive zero for an argument between @minus{}0.5 and 0
+on some platforms:
+AIX 7.1, OSF/1 5.1.
+@item
+This function returns a positive zero for a minus zero argument
+on some platforms:
+OSF/1 5.1.
+@end itemize
+
 Portability problems not fixed by Gnulib:
 @itemize
 @end itemize