acl: allow cross-compilation to Gentoo

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

diff --git a/doc/posix-functions/hypot.texi b/doc/posix-functions/hypot.texi
index 7d7b7f9..eda9a6b 100644 (file)
--- a/doc/posix-functions/hypot.texi
+++ b/doc/posix-functions/hypot.texi
@@ -2,14 +2,22 @@
 @section @code{hypot}
 @findex hypot
 
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/hypot.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/hypot.html}
 
-Gnulib module: ---
+Gnulib module: hypot or hypot-ieee
 
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{hypot} or @code{hypot-ieee}:
 @itemize
 @end itemize
 
+Portability problems fixed by Gnulib module @code{hypot-ieee}:
+@itemize
+@item
+When the arguments are mixed NaN and Infinity, this function returns a wrong
+value on some platforms:
+OSF/1 5.1, mingw, MSVC 9.
+@end itemize
+
 Portability problems not fixed by Gnulib:
 @itemize
 @end itemize