New module 'round-ieee'.

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

diff --git a/doc/posix-functions/round.texi b/doc/posix-functions/round.texi
index 913490e..cf3189b 100644 (file)
--- a/doc/posix-functions/round.texi
+++ b/doc/posix-functions/round.texi
@@ -4,9 +4,9 @@
 
 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:
@@ -19,6 +19,14 @@ This functions returns a wrong result for 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 a minus zero argument
+on some platforms:
+OSF/1 5.1.
+@end itemize
+
 Portability problems not fixed by Gnulib:
 @itemize
 @end itemize