fmod-ieee: Work around test failures on OSF/1, mingw.

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

diff --git a/doc/posix-functions/fmod.texi b/doc/posix-functions/fmod.texi
index 4994762..0a5bbcb 100644 (file)
--- a/doc/posix-functions/fmod.texi
+++ b/doc/posix-functions/fmod.texi
@@ -4,12 +4,23 @@
 
 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/fmod.html}
 
-Gnulib module: fmod
+Gnulib module: fmod or fmod-ieee
 
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{fmod} or @code{fmod-ieee}:
 @itemize
 @end itemize
 
+Portability problems fixed by Gnulib module @code{fmod-ieee}:
+@itemize
+@item
+This function has problems when the second argument is zero on some platforms:
+OSF/1 5.1.
+@item
+This function has problems when the first argument is minus zero on some
+platforms:
+mingw, MSVC 9.
+@end itemize
+
 Portability problems not fixed by Gnulib:
 @itemize
 @end itemize