Add a links to the gmpy and mxNumber packages.

diff --git a/Doc/lib/libmpz.tex b/Doc/lib/libmpz.tex
index f0d2d6b152f2f82687443371239c1953d2f45605..e19ee565b4d0ebd9e5df14bcbfee5e465ac5521d 100644 (file)
--- a/Doc/lib/libmpz.tex
+++ b/Doc/lib/libmpz.tex
@@ -96,3 +96,16 @@ An mpz-number has one method:
   The mpz-number must have a value greater than or equal to zero,
   otherwise \exception{ValueError} will be raised.
 \end{methoddesc}
+
+
+\begin{seealso}
+  \seetitle[http://gmpy.sourceforge.net/]{General Multiprecision Python}{
+            This project is building new numeric types to allow
+            arbitrary-precision arithmetic in Python.  Their first
+            efforts are also based on the GNU MP library.}
+
+  \seetitle[http://www.egenix.com/files/python/mxNumber.html]{mxNumber
+            --- Extended Numeric Types for Python}{Another wrapper
+            around the GNU MP library, including a port of that
+            library to Windows.}
+\end{seealso}