hypotf-ieee: Work around test failure on OSF/1 and native Windows.

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

diff --git a/doc/posix-functions/hypotf.texi b/doc/posix-functions/hypotf.texi
index debdc5e..2af0921 100644 (file)
--- a/doc/posix-functions/hypotf.texi
+++ b/doc/posix-functions/hypotf.texi
@@ -4,9 +4,9 @@
 
 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/hypotf.html}
 
-Gnulib module: hypotf
+Gnulib module: hypotf or hypotf-ieee
 
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{hypotf} or @code{hypotf-ieee}:
 @itemize
 @item
 This function is missing on some platforms:
@@ -16,6 +16,14 @@ This function produces wrong values on some platforms:
 NetBSD 5.1, OpenBSD 4.9.
 @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