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-rw-r--r--doc/posix-headers/math.texi7
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/posix-headers/math.texi b/doc/posix-headers/math.texi
index e64066392b..0cf56a05fb 100644
--- a/doc/posix-headers/math.texi
+++ b/doc/posix-headers/math.texi
@@ -35,13 +35,18 @@ glibc/HPPA, glibc/SPARC, AIX 5.1, IRIX 6.5, Solaris 9, MSVC 9.
The macros @code{FP_ILOGB0} and @code{FP_ILOGBNAN} are not defined on some
platforms:
NetBSD 5.1, AIX 5.1, IRIX 6.5, Solaris 9, MSVC 9.
+
+@item
+The macros @code{NAN}, @code{HUGE_VALL}, and @code{INFINITY} are not
+defined on some platforms:
+OpenVMS.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
@code{NAN} is not a compile time constant with some compilers:
-OSF/1 with Compaq (ex-DEC) C 6.4.
+OSF/1 with Compaq (ex-DEC) C 6.4, OpenVMS.
@item
The macro or variable @code{math_errhandling} is not defined on some platforms:
glibc 2.11, OpenBSD 4.9, NetBSD 5.1, UP-UX 11, IRIX 6.5, OSF/1 5.1, Cygwin 1.7.9, mingw, MSVC 9.