Don't force every algebraic class to implement archiving/unarchiving.

[ginac.git] / ginac / pseries.h

diff --git a/ginac/pseries.h b/ginac/pseries.h
index b3d27160c46424c415e3964616905eb0eeba405c..e84cc5b3ae54c1349c63298bc0cb73e9b66efe9e 100644 (file)
--- a/ginac/pseries.h
+++ b/ginac/pseries.h
@@ -60,6 +60,10 @@ public:
        ex imag_part() const;
        ex eval_integ() const;
        ex evalm() const;
+       /** Save (a.k.a. serialize) object into archive. */
+       void archive(archive_node& n) const;
+       /** Read (a.k.a. deserialize) object from archive. */
+       void read_archive(const archive_node& n, lst& syms);
 protected:
        ex derivative(const symbol & s) const;
 
@@ -115,6 +119,7 @@ protected:
        /** Expansion point */
        ex point;
 };
+GINAC_DECLARE_UNARCHIVER(pseries); 
 
 
 // utility functions