Univariate Hensel lifting now uses upoly.

[ginac.git] / ginac / fderivative.h

diff --git a/ginac/fderivative.h b/ginac/fderivative.h
index 0d74efc69fd16b7ad8c4ce8332f66c0abf1969aa..b43423cae6218bc537c8f37170545216878bd6dc 100644 (file)
--- a/ginac/fderivative.h
+++ b/ginac/fderivative.h
@@ -66,6 +66,8 @@ public:
        ex series(const relational & r, int order, unsigned options = 0) const;
        ex thiscontainer(const exvector & v) const;
        ex thiscontainer(std::auto_ptr<exvector> vp) const;
+       void archive(archive_node& n) const;
+       void read_archive(const archive_node& n, lst& syms);
 protected:
        ex derivative(const symbol & s) const;
        bool is_equal_same_type(const basic & other) const;
@@ -81,6 +83,7 @@ protected:
 protected:
        paramset parameter_set; /**< Set of parameter numbers with respect to which to take the derivative */
 };
+GINAC_DECLARE_UNARCHIVER(fderivative); 
 
 } // namespace GiNaC