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

[ginac.git] / ginac / add.h

diff --git a/ginac/add.h b/ginac/add.h
index d96e12637e477e0e5f4f2ab20cb795cefb1ad8fe..0dfd6034d5c9910386f61dab7b4e234144124398 100644 (file)
--- a/ginac/add.h
+++ b/ginac/add.h
@@ -84,6 +84,7 @@ protected:
        void do_print_csrc(const print_csrc & c, unsigned level) const;
        void do_print_python_repr(const print_python_repr & c, unsigned level) const;
 };
+GINAC_DECLARE_UNARCHIVER(add);
 
 } // namespace GiNaC