Merge branch 'stable'

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

diff --git a/doc/posix-functions/ceil.texi b/doc/posix-functions/ceil.texi
index c44c77a..e7ca642 100644 (file)
--- a/doc/posix-functions/ceil.texi
+++ b/doc/posix-functions/ceil.texi
@@ -4,12 +4,24 @@
 
 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/ceil.html}
 
-Gnulib module: ceil
+Gnulib module: ceil or ceil-ieee
 
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{ceil} or @code{ceil-ieee}:
 @itemize
 @end itemize
 
+Portability problems fixed by Gnulib module @code{ceil-ieee}:
+@itemize
+@item
+This function returns a positive zero for an argument between @minus{}1 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