*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
ex evalf(int level = 0) const;
ex series(const relational & r, int order, unsigned options = 0) const;
ex thiscontainer(const exvector & v) const;
ex evalf(int level = 0) const;
ex series(const relational & r, int order, unsigned options = 0) const;
ex thiscontainer(const exvector & v) const;
void archive(archive_node& n) const;
void read_archive(const archive_node& n, lst& syms);
protected:
void archive(archive_node& n) const;
void read_archive(const archive_node& n, lst& syms);
protected: