X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2Fposix-functions%2Flog2f.texi;h=f137ed1654e08d03dd386f9c0e633e4901a403c3;hb=23eecb48e39afd0d267d64d40ba6bf97aa865e13;hp=6a33ffdc4da21b001c9784281228113a05fefb4a;hpb=80fc442c212439b65a2fba722b17529aba2aa1ae;p=gnulib.git

diff --git a/doc/posix-functions/log2f.texi b/doc/posix-functions/log2f.texi
index 6a33ffdc4..f137ed165 100644
--- a/doc/posix-functions/log2f.texi
+++ b/doc/posix-functions/log2f.texi
@@ -4,19 +4,35 @@
 
 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/log2f.html}
 
-Gnulib module: ---
+Gnulib module: log2f or log2f-ieee
 
-Portability problems fixed by Gnulib:
-@itemize
-@end itemize
-
-Portability problems not fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{log2f} or @code{log2f-ieee}:
 @itemize
 @item
 This function is missing on some platforms:
-FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, AIX 5.1, IRIX 6.5, Solaris 9,
+FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, older IRIX 6.5, Solaris 9, MSVC 9,
 Interix 3.5.
 @item
+This function is not declared on some platforms:
+IRIX 6.5.
+@item
 This function is only provided as a macro on some platforms:
 Cygwin 1.5.x.
+@item
+This function returns a wrong value for a minus zero argument on some platforms:
+OSF/1 5.1.
+@item
+This function returns slightly wrong values for exact powers of 2 on some platforms:
+Cygwin 1.7.9.
+@end itemize
+
+Portability problems fixed by Gnulib module @code{log2f-ieee}:
+@itemize
+@item
+This function returns a wrong value for a negative argument on some platforms:
+NetBSD 5.1, Solaris 11 2011-11.
+@end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
 @end itemize