Doc about floating-point and math API.

[gnulib.git] / doc / posix-headers / math.texi

diff --git a/doc/posix-headers/math.texi b/doc/posix-headers/math.texi
index 12d547c..d181f76 100644 (file)
--- a/doc/posix-headers/math.texi
+++ b/doc/posix-headers/math.texi
@@ -32,4 +32,7 @@ Portability problems not fixed by Gnulib:
 @item
 @code{NAN} is not a compile time constant with some compilers:
 OSF/1 with Compaq (ex-DEC) C 6.4.
+@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.
 @end itemize