doc: cover st_ino issues once; add OpenVMS etc.

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

diff --git a/doc/posix-functions/ceilf.texi b/doc/posix-functions/ceilf.texi
index a7c1e0f..880936f 100644 (file)
--- a/doc/posix-functions/ceilf.texi
+++ b/doc/posix-functions/ceilf.texi
@@ -4,13 +4,28 @@
 
 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/ceilf.html}
 
-Gnulib module: ceilf
+Gnulib module: ceilf or ceilf-ieee
 
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{ceilf} or @code{ceilf-ieee}:
 @itemize
 @item
 This function is missing on some platforms:
-AIX 5.1, HP-UX 11, Solaris 9.
+Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 9.
+@item
+This function is only defined as a macro with arguments on some platforms:
+MSVC 9.
+@end itemize
+
+Portability problems fixed by Gnulib module @code{ceilf-ieee}:
+@itemize
+@item
+This function returns a positive zero for an argument between -1 and 0
+on some platforms:
+MacOS X 10.5, 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: